WO2004011824A1 - 3自由度回転システム及びその応用 - Google Patents
3自由度回転システム及びその応用 Download PDFInfo
- Publication number
- WO2004011824A1 WO2004011824A1 PCT/JP2003/009058 JP0309058W WO2004011824A1 WO 2004011824 A1 WO2004011824 A1 WO 2004011824A1 JP 0309058 W JP0309058 W JP 0309058W WO 2004011824 A1 WO2004011824 A1 WO 2004011824A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- guide rail
- degree
- rotor
- rotation system
- guide rails
- Prior art date
Links
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J17/00—Joints
- B25J17/02—Wrist joints
- B25J17/0283—Three-dimensional joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H21/00—Gearings comprising primarily only links or levers, with or without slides
- F16H21/46—Gearings comprising primarily only links or levers, with or without slides with movements in three dimensions
- F16H21/48—Gearings comprising primarily only links or levers, with or without slides with movements in three dimensions for conveying rotary motions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H21/00—Gearings comprising primarily only links or levers, with or without slides
- F16H21/46—Gearings comprising primarily only links or levers, with or without slides with movements in three dimensions
- F16H21/54—Gearings comprising primarily only links or levers, with or without slides with movements in three dimensions for conveying or interconverting oscillating or reciprocating motions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/045—Allowing translations adapted to left-right translation movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/048—Allowing translations adapted to forward-backward translation movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
- F16M11/14—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction with ball-joint
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
Definitions
- the present invention relates to a three-degree-of-freedom rotation system using at least three guide rails, and more particularly, to use these guide rails on a base such that one guide rail and the other two guide rails are orthogonal to each other. Attachment, the indicator rod attached to the rotor and at least one slider attached to the indicator rod detect the direction of the mouth by rotating these guide rails while sliding along these guide rails. In addition, the present invention relates to a method of rotating these rotors by rotating these guide rails by actuation.
- the present invention described in the claims is based on the fact that one guide rail and two parallel guide rails are combined so as to be orthogonal, and the encoder fixed to the base adjusts the rotation angle of these guide rails.
- the purpose is to develop a three-degree-of-freedom rotation system for detecting.
- an object of the present invention described in the claims is to develop a three-degree-of-freedom rotation system that rotates these guide rails using an actuator fixed to a base.
- the invention of claim 1 includes a mouth including a part or all of a sphere, an indicator rod, at least one slider, at least one base, four shafts, six bearings,
- a three-degree-of-freedom rotating system including: first to third three guide rails, wherein the rotor is provided with the indicator rod, and the two shafts and the two bearings are used.
- the first guide rail was attached to the base, and the remaining two shafts and the remaining four bearings were used.
- the second guide rail and the third guide rail are attached to the base, and at least one of the sliders is attached to or connected to the indicator rod.
- the present invention is an embodiment of a three-degree-of-freedom rotation system in which the rotor rotates with three degrees of freedom.
- the first guide rail, the second guide rail, and the third guide rail are formed in an arc shape mainly with respect to the center of the mouth, and rotation of these guide rails And the guide rails rotate in accordance with the rotation of the mouth.
- Each of these guide rails may be rod-shaped or may have a slit.
- the guide rail may be cut out from a single plate, or may be formed by combining at least two wires. Is also good.
- the pointer is attached to the rotor in a direction passing through the center of the rotor on an extension of the pointer.
- the indicator rod may be in the form of a pipe.
- the rotor may be hollow.
- the four shafts may be fixed to any of the first guide rail, the second guide rail, the third guide rail, and at least one of the bases. Further, when these shafts are fixed to the base, the shafts may be attached to the base via spacers.
- the two rotation axes connecting the two sets of the axes are orthogonal to each other, and each of them passes through the center of the rotor.
- a pole bearing may be used for the bearing. Since the first guide rail rotates about the two axes, the direction of the pointing rod matches the direction of the guide rail. Therefore, according to the orientation of the guide rail, the rotor rotates about these axes. Said The second guide rail and the third guide rail each rotate about the same two axes. However, since two of the bearings are attached to each of the shafts, the guide rails can be independently rotated. Further, at this time, these guide rails may be nested or may be staggered, and both ends of the third guide rail are arc-shaped among the guide rails.
- the base are formed to be orthogonal to each other. Accordingly, when the guide rails form a specific angle about the rotation axis passing through the axes, the distance between the guide rails and the second guide rails is constant regardless of the location. Since at least one of the sliders slides along the third guide rail, when the distance between the guide rails is long, a straight line passing through the slider and the indicator rod, and the guide rails When the distance between these guide rails becomes shorter, the angle formed by the straight line and these guide rails approaches 0 degree. Therefore, by changing the interval between the guide rails, the rotation angle of the rotor about the indicator rod can be changed. According to the present invention, the rotor can be rotated in three degrees of freedom without moving all the bases, so that various problems relating to the three-degree-of-freedom rotation system can be suitably solved.
- the invention according to claim 2 is the three-degree-of-freedom rotation system according to claim 1, wherein a slit is opened in at least one of the first guide rail and the second guide rail. Is a three-degree-of-freedom rotation system characterized by passing through these slits.
- Each of the first guide rail and the second guide rail may be cut out from one plate, or may be configured by combining at least two wires. Since the first guide rail rotates about the two shafts, the indicator rod passes through the slit opened in the guide rail, so that the direction of the indicator rod is equal to that of the guide rail. Match the orientation.
- the indicator rod Since the second guide rail rotates about the remaining two axes, the indicator rod passes through the slit formed in the guide rail, so that the direction of the indicator rod is changed to the direction of the guide. Match the rail orientation. According to By detecting the directions of the guide rails, the direction of the indicator rod can be accurately obtained. Since the present invention can determine the direction of the pointing rod without extra labor, various problems relating to the three-degree-of-freedom rotation system can be suitably solved.
- a fourth guide rail is attached to the indicator rod, and the slider is connected to the fourth guide rail.
- a three-degree-of-freedom rotation system characterized by sliding.
- the fourth guide rail may be rod-shaped or may have a slit.
- the guide rail may be cut out of one plate, or may be configured by combining at least two wires. . Further, by making the guide rails umbrella-shaped, the guide rails can have increased strength.
- the guide rail rotates about the indicator rod
- at least one of the sliders slides along the guide rail
- the direction of rotation of the indicator rod is determined by the direction of the indicator rod as viewed from the indicator rod.
- the rotor can be rotated in three degrees of freedom without moving all of the bases, so that various problems relating to the three-degree-of-freedom rotation system are suitably solved.
- the invention according to claim 4 includes a rotor including a part or all of a sphere, an indicator rod, at least two sliders, at least one base, four shafts, six bearings,
- a three-degree-of-freedom rotation system comprising: a third guide rail; and a third degree of freedom rotation system, wherein the mouth is provided with the indicator rod, and the two shafts and the two bearings are used.
- the second guide rail and the third guide rail are provided by using the first guide rail attached to the base and using the remaining two shafts and the remaining four bearings. Is attached to the base, and at least two sliders are attached to or connected to the indicator rod, and the indicator rod is slid along the first guide rail.
- While the rotor is Rotate around the two axes supporting the guide rails And while the at least two sliders are respectively slid along the second guide rail and the third guide rail relay, the rotor is centered on the two shafts supporting the guide rails. Rotating the rotor around the indicator rod while sliding at least two of the sliders along the second guide rail and the third guide rail, respectively.
- This is a three-degree-of-freedom rotation system characterized by and.
- the present invention is an embodiment of a three-degree-of-freedom rotation system in which the rotor rotates with three degrees of freedom.
- the first guide rail, the second guide rail, and the third guide rail are mainly formed in an arc shape with respect to the center of the rotor.
- the guide rails rotate in accordance with the rotation of the rotor.
- Each of these guide rails may be rod-shaped or may have a slit.
- the guide rail may be cut out from a single plate, or may be formed by combining at least two wires. Is also good.
- the pointer is attached to the rotor in a direction passing through the center of the rotor on an extension of the pointer.
- the indication bar may be in the form of a pipe.
- the rotor may be hollow.
- the four shafts may be fixed to any of the first guide rail, the second guide rail, the third guide rail, and at least one of the bases. Further, when these shafts are fixed to the base, the shafts may be attached to the base via spacers. However, the two rotating shafts connecting the two sets of the shafts intersect at right angles and further pass through the center of the rotor.
- a pole bearing may be used for the bearing. Since the first guide rail rotates about the two axes, the direction of the pointing rod matches the direction of the guide rail.
- the rotor rotates around these axes.
- the second guide rail and the third guide rail each rotate about the same two shafts. However, each of these shafts is fitted with two bearings Therefore, these guide rails can be independently rotated. Further, at this time, these guide rails may be nested or may be staggered. Further, both ends of the guide rails are formed such that an arc-shaped portion of each of the guide rails and the base are orthogonal to each other. Thus, when the guide rails form a specific angle around the rotation axis passing through the axes, the distance between the guide rails is constant regardless of the location.
- At least two of the sliders are attached to or connected to the indicator rod, and the sliders slide along the guide rails, so that the guide rails are provided.
- the angle formed by the sliders and the guide rails approaches 90 degrees.
- the sliders are reduced.
- the angle formed by these guide rails approaches 0 degrees. Therefore, by changing the interval between the guide rails, the rotation angle of the rotor about the indicator rod can be changed. Further, by adjusting the position of the slider so that the indicator rod is located at the center of the space between the guide rails, the direction of the indicator rod can be adjusted to the direction of the guide rail.
- the rotor rotates around the two axes supporting the guide rails according to the direction.
- the rotor can be rotated in three degrees of freedom without moving all the bases, so that various problems relating to the three-degree-of-freedom rotation system can be suitably solved.
- the invention of claim 5 is the three-degree-of-freedom rotation system according to claim 4, wherein a slit is opened in the first guide rail, so that the indicator rod passes through the slit. It is a rotating system.
- the first guide rail may be cut out from a single plate, or may be configured by combining at least two wires. Since the first guide rail rotates about the two shafts, the indicator rod passes through the slit opened in the guide rail, and the direction of the indicator rod is changed to the direction of the guide rail. Match the orientation. Therefore, by detecting the direction of the guide rail, Thus, the rotation angle of the indicator rod about the two shafts supporting the guide rail can be accurately obtained. Since the present invention can determine the direction of the pointing rod without extra labor, various problems relating to the three-degree-of-freedom rotating system can be suitably solved.
- the invention according to claim 6 is directed to the three-degree-of-freedom rotation system according to claim 4 or 5, wherein a fourth guide rail and a fifth guide rail are attached to the indicator rod, and two of the slides are provided. And a sliding means for each of the guide rails.
- the fourth guide rail and the fifth guide rail may be rod-shaped or may have slits. In particular, when these guide rails are provided with the slits, these guide rails may be cut out from a single plate, or may be configured by combining at least two wires. Furthermore, by combining these guide rails to form an umbrella, the guide rails can increase the strength.
- the guide rails rotate about the indicator rod, at least two of the sliders slide along the guide rails, so that the direction of rotation of the indicator rod is The direction of at least one of the sliders as viewed from Therefore, by detecting the direction of the pointing rod and the direction of the guide rails, the rotation direction of the pointing rod can be accurately obtained. Since the present invention can rotate the rotor with three degrees of freedom without moving all the bases, various problems relating to the three-degree-of-freedom rotation system are suitably solved.
- the invention of claim 7 provides a rotor including a part or all of a sphere, an indicator rod, at least two sliders, at least one base, four shafts, six bearings, To a third and sixth four guide rails, the three-degree-of-freedom rotation system comprising: the rotor provided with the indicator rod; and two shafts and two bearings.
- the second guide A rail and the third guide rail are attached to the base; and at least two sliders are attached to or connected to the indicator rod.
- the rotor rotates about the two axes supporting the guide rails while sliding at least two of the sliders along the second guide rail and the third guide rail, respectively.
- rotating the rotor about the indicator rod while sliding at least two of the sliders along the second guide rail and the third guide rail, respectively. Is a three-degree-of-freedom rotation system.
- the present invention is an embodiment of a three-degree-of-freedom rotation system in which the rotor rotates with three degrees of freedom.
- the first guide rail, the second guide rail, the third guide rail, and the sixth guide rail are formed in an arc shape mainly with respect to the center of the mouth.
- the rotor rotates according to the rotation of the guide rails, and the guide rails rotate according to the rotation of the rotor.
- the first guide rail and the sixth guide rail are connected or originally made of one material.
- Each of these guide rails may be rod-shaped or may have a slit.
- the guide rail may be cut out from one plate, or may be configured by combining at least two wires.
- the indicator rod is attached to the rotor in a direction passing through the center of the rotor on an extension of the indicator rod.
- the indicator rod may be in the form of a pipe.
- the rotor may be hollow.
- the four shafts may be fixed to any of the first guide rail, the second guide rail, the third guide rail, and at least one of the bases. Further, when these shafts are fixed to the base, the shafts may be attached to the base via spacers. However, the two rotating shafts connecting the two sets of shafts are orthogonal to each other, and each pass through the center of the rotor.
- a pole bearing may be used for the bearing.
- the first guide rail and the sixth guide rail are together about the two axes.
- the orientation of the indicator rods is adjusted to the direction of the guide rails. With the orientation of the center of the interval. Therefore, according to the orientation, the rotor rotates around these axes.
- the second guide rail and the third guide rail each rotate about the same two axes.
- the guide rails since two of the bearings are attached to each of the shafts, the guide rails can rotate independently of each other. Further, at this time, the guide rails may be nested or may be staggered. Further, both ends of the guide rails are formed such that an arc-shaped portion of each of the guide rails and the base are orthogonal to each other.
- the direction of the indicator rod is adjusted to the distance between the guide rails. Since the direction coincides with the direction at the center, the rotor rotates around the two axes supporting the guide rails according to the direction. According to the present invention, since the rotor can be rotated with three degrees of freedom without moving all of the bases, various problems relating to the three-degree-of-freedom rotation system are suitably solved. .
- the invention according to claim 8 is the three-degree-of-freedom rotation system according to claim 7, wherein the first guide is provided.
- a three-degree-of-freedom rotation system characterized in that at least two of the sliders respectively pass through the slits by slitting the rail and the sixth guide rail.
- the first guide rail and the sixth guide rail may be cut out from one plate, respectively, or may be configured by combining at least two wires.
- these guide rails shall rotate together about the two axes. Since the guide rails rotate about these axes, at least two of the sliders pass through the slits respectively opened in the guide rails, and further, the indicator rod is provided at the center of the sliders. , The direction of the pointing rod coincides with the direction of the guide rails.
- the present invention can determine the direction of the pointing rod without extra work, various problems relating to the three-degree-of-freedom rotating system can be suitably solved.
- a fourth guide rail and a fifth guide rail are attached to the indicator rod, and two of the sliders are provided.
- the three-degree-of-freedom rotation system is characterized by sliding these guide rails.
- the fourth guide rail and the fifth guide rail may be rod-shaped or may have slits.
- these guide rails may be cut out from a single plate, or may be configured by combining at least two wires. Further, by combining these guide rails to form an umbrella, the guide rails can increase the strength.
- the guide rails rotate about the indicator rod, at least two sliders slide along the guide rails, so that the direction of rotation of the indicator rod is from the indicator rod. Seen, matches the direction of at least one of the sliders. Therefore, by detecting the direction of the pointing rod and the direction of the guide rails, the rotation direction of the pointing rod can be accurately obtained.
- the invention is all Since the rotor can be rotated with three degrees of freedom without moving the base, the problems related to the three-degree-of-freedom rotation system can be suitably solved.
- the indicator rod is a pipe, and at least one of the indicator rods is provided. It is a three-degree-of-freedom rotation system that features wire passage.
- the rotor may be the sphere or a part of the sphere, and the interior of the sphere may be hollow.
- An electronic component or a mechanical component is attached to the rotor, and at least one wire is connected to the electronic component and the mechanical component. At this time, at least one of the wires connected to the electronic component is an electric wire.
- these wires can be taken out of the rotor without being entangled with all the guide rails.
- all of the above-mentioned wires can be taken out from the rotor regardless of the orientation of the rotor, so that problems with the three-degree-of-freedom rotating system can be suitably solved.
- the invention according to claim 11 is the three-degree-of-freedom rotation system according to any one of claims 1 to 10, wherein at least one of the shafts is opposed to each other by two. It is a three-degree-of-freedom rotation system that is mounted on a base.
- the four shafts may be embedded in the base, may be cut out from at least one of the bases, or may be attached via spacers.
- the two rotation axes connecting the two sets of axes are orthogonal to each other, and each of them passes through the center of the road.
- one bearing is attached or formed, respectively, and each is connected to the corresponding two shafts. . Therefore, these guide rails can be independently rotated.
- At least one of the first guide rail, the fourth guide rail, and the fifth guide rail has two bearings attached or formed at both ends thereof, respectively. It is connected to the two bearings.
- the present invention can rotate the rotor with three degrees of freedom without moving all the bases. Problems related to the present invention are preferably solved.
- the invention according to claim 12 is the three-degree-of-freedom rotation system according to any one of claims 1 to L0, wherein at least one of the four bearings faces each other.
- the two guide rails provided at one end of the second guide rail and the third guide rail relay are attached to the two bearings respectively attached to the base.
- two bearings provided at different ends of the second guide rail and the third guide rail are attached to the shafts of the third guide rail and the second guide rail, respectively.
- a three-degree-of-freedom rotation system may be formed from at least one of the bases, or may be mounted via spacers. However, two rotation axes connecting the two sets of the shafts connected to the bearings are orthogonal to each other, and pass through the center of the rotor.
- each of the second guide rail and the third guide rail is provided with one piece of the glue or formed and connected to two corresponding bearings.
- the bearing is mounted or formed on the end of each of the guide rails on the side where the shaft is not provided, and the guide rails are independently formed by the corresponding shafts passing therethrough. Can rotate.
- At least one end of the first guide rail, the fourth guide rail, and the fifth guide rail has two shafts attached or formed thereon, and two corresponding shafts are provided. Is connected to the bearing.
- the invention of Claim 13 is Claim :! The three-degree-of-freedom rotating system according to any one of claims 1 to 10, wherein four bearings are attached to at least one base so that two bearings face each other; and The two shafts provided at both ends of the second guide rail are mounted on the two bearings respectively mounted on the base, and the two shafts provided at both ends of the third guide rail are provided. Of the second guide rails respectively The three-degree-of-freedom rotation system is attached to the shaft.
- the four bearings may be formed from at least one base, or may be mounted via spacers. However, it is assumed that two rotating shafts connecting the two sets of the shafts connected to the bearings are orthogonal to each other, and each pass through the center of the rotor.
- one shaft is attached or formed, and each shaft is connected to two corresponding bearings.
- one bearing is attached or formed at each of the both ends of the third guide rail, and the guide rails are independently formed by the corresponding shafts passing therethrough. Can rotate.
- At least one end of the first guide rail, the fourth guide rail, and the fifth guide rail has two shafts attached or formed, respectively. Are connected to the two bearings.
- the rotor can be rotated in three degrees of freedom without moving all the bases, so that various problems relating to the three-degree-of-freedom rotation system can be suitably solved.
- At least one encoder in the three-degree-of-freedom rotation system according to any one of the first to thirteenth aspects, includes the guide rail, the shaft, and the bearing.
- a three-degree-of-freedom rotation system characterized by detecting the orientation of the rotor by detecting at least one of the rotation angles.
- the encoder can detect the rotation angle of the corresponding guide rail by detecting the rotation angle of at least one of the guide rail, the shaft, and the bearing.
- the encoder may be directly fixed to at least one of the bases, or may be connected to these bases via a spacer and a housing. According to the present invention, even when three encoders are used, the direction of the rotor can be detected without moving the encoders. You.
- At least one of the encoders has at least one of the guide rail, the shaft, and the bearing via a plurality of gears.
- the orientation of the rotor is detected by connecting It is a three-degree-of-freedom rotation system.
- Spur gears, bevel gears, cylindrical gears, worm gears, and the like are used as the plurality of gears.
- the rotation angle of the guide rail can be detected with high accuracy.
- the center of at least one of the gears is attached so as to overlap with the shaft corresponding to the guide rail. According to the present invention, even when three encoders are used, the direction of the mouth can be detected with high accuracy without moving the encoders. Is preferably solved.
- the invention of claim 16 is the three-degree-of-freedom rotation system according to claim 14 or claim 15, wherein each of at least one of the encoders is provided with one actuator.
- a three-degree-of-freedom rotation system One encoder and one actuator share the same rotor, and according to the rotation angle of the guide rail detected by the encoder, the actuator is connected to the guide rail. The rotation angle can be changed. According to the present invention, even when three encoders and three actuators are used, the direction of the mouth can be detected with high accuracy without moving the encoders and the actuators. Therefore, the problems related to the three-degree-of-freedom rotation system can be suitably solved.
- At least one actuator is provided with the guide rail, the shaft, and the shaft.
- a three-degree-of-freedom rotation system wherein the rotor is rotated by rotating at least one of the bearings.
- the actuator may rotate the corresponding guide rail by rotating at least one of the guide rail, the shaft, and the bearing about the shaft.
- the actuator may be directly fixed to at least one of the bases, or may be connected to these bases via a spacer and a housing. According to the present invention, even when three of the actuators are used, the rotor can be rotated with three degrees of freedom without moving the actuators. The problem is solved preferably.
- the invention according to claim 18 is the three-degree-of-freedom rotation system according to claim 17, wherein at least one of the actuators is connected to the guide rail, the shaft, and the bearing via a plurality of gears.
- a three-degree-of-freedom rotation system characterized in that the rotor is rotated by connecting at least one of them.
- spur gears, bevel gears, cylindrical gears, worm gears, and the like are used as the plurality of gears. By combining these gears, it is possible to rotate the guide rail with a small torque in the factory and with high precision. However, it is assumed that the center of at least one of the gears is attached so as to overlap with the shaft corresponding to the guide rail.
- the direction of the above-mentioned mouth can be rotated with high precision without moving the above-mentioned actuary, so that three degrees of freedom rotation are possible.
- Various problems related to the system will be solved appropriately.
- the invention according to claim 19 is the three-degree-of-freedom rotation system according to claim 14, 15, or 16, wherein at least one of the encoders is connected to a computer system.
- a three-degree-of-freedom rotation system wherein the system calculates a rotation angle of the rotor.
- the computer system inputs an electrical signal output from at least one of the encoders and corresponding to a rotation angle of at least one of the guide rail, the shaft, and the bearing. Accordingly, even if the electric signal of the encoder is not proportional to the rotation angle of the mouth, the computer system calculates the rotation angle from the electric signal using a mathematical formula and a table. Can be calculated.
- the present invention can correct a deviation between the electric signal of the encoder and the rotation angle of the rotor, which is generated according to the position of the indicator rod, so that various problems relating to the three-degree-of-freedom rotation system can be solved. It is preferably solved.
- At least one of the actuators is connected to a computer system.
- a three-degree-of-freedom rotation system wherein a computer system rotates the mouth.
- At least one of the actuaries is the computer system Input the electrical signal output by the. Accordingly, even if the electric signal of the computer system is not proportional to the rotation angle of the rotor, the computer system calculates the rotation angle using a formula and a table.
- the present invention can correct a deviation between the electric signal of the computer system and the rotation angle of the rotor, which is generated according to the position of the pointing rod, and thus has various problems related to the three-degree-of-freedom rotation system. It is preferably resolved.
- An invention according to claim 21 is the artificial eyeball according to claim 20, wherein a camera for photographing in a direction opposite to the pointing rod is embedded in the low-degree rotation system according to claim 20.
- the camera is embedded in the mouth so that the lens of the camera is oriented in the opposite direction to the pointing rod and the optical axis of the lens passes through the pointing rod. Further, the electric wire of the camera is taken out through the pipe-shaped indicator rod. Therefore, the camera can photograph a wide area by an external instruction.
- the direction of the optical axis of the camera can be controlled using the computer system, various problems relating to the artificial eyeball can be suitably solved.
- the invention according to claim 22 is the artificial eyeball according to claim 21, wherein the computer system stores an image captured by the camera, and outputs the image by changing the order of each pixel of the image.
- the computer system can rotate the image to about 90 degrees around the optical axis of the camera by using a three-degree-of-freedom rotation system.
- the computer system can rotate the image by 360 degrees in units of 90 degrees without changing the affinity by changing the order of each pixel of the image. Therefore, the computer system can rotate the image by approximately 360 degrees without using a special image processing system.
- the image captured by the camera can be rotated at an arbitrary angle without using the special image processing system, various problems relating to the artificial eyeball can be suitably solved. BRIEF DESCRIPTION OF THE FIGURES
- Fig. 1 shows that the second guide rail and the third guide rail are alternately mounted on the base.
- FIG. 3 is an explanatory diagram of a three-degree-of-freedom rotation system.
- FIG. 2 is an explanatory diagram of a three-degree-of-freedom rotation system in which a third guide rail is attached to a base so as to be outside the second guide rail.
- FIG. 3 is an explanatory diagram of a first guide rail attached to a base.
- FIG. 4 is an explanatory view of an indicator rod passing through a slit of the first guide rail.
- FIG. 5 is an explanatory view of a first guide rail attached to a base via a spacer.
- Fig. 6 is an explanatory diagram of the mouth and mouth sandwiched between two bases via spacers.
- Fig. 7 is an explanatory diagram when the end of the slider is bent outward.
- FIG. 8 is an explanatory view of a slider passing through a slit of the third guide rail.
- FIG. 9 is an explanatory view of a third guide rail bent in a U-shape.
- FIG. 10 is an explanatory view when the end of the slider is bent inward.
- Fig. 11 is an explanatory drawing when a stopper is attached to the end of the slider as compared to Fig. 7.
- FIG. 12 is an explanatory view of a three-degree-of-freedom rotation system in which a slider slides along a slit of a fourth guide rail attached to an indicator rod.
- FIG. 13 is an explanatory view of a case where a fourth guide rail having a slit is attached to an indicator rod.
- FIG. 14 is an explanatory view of a case where an umbrella-shaped fourth guide rail is attached to the indicator rod.
- FIG. 15 is an explanatory view of a case where the pipe slider slides on a fourth bar-shaped guide rail.
- FIG. 16 is an explanatory diagram when a slider is attached to a pipe slider.
- FIG. 17 is an explanatory view of a case where two pipe sliders slide along a third guide rail and a fourth guide rail, respectively, as compared to FIG.
- FIG. 18 shows that the pipe slider slides along the fourth guide rail fc
- FIG. 4 is an explanatory diagram in a case where one pipe slider is connected to an ebb slider by a connecting shaft.
- FIG. 19 is an explanatory view of a case where a pipe slider slides along a third bar-shaped guide rail, and a slider attached to the pipe slider slides along a fourth guide rail.
- FIG. 20 is an explanatory diagram in the case where a pipe slider is attached to the slider.
- FIG. 21 is an explanatory view of a case where the ends of two sliders are bent outward.
- FIG. 22 is an explanatory view of a slider passing through a slit of the second guide rail.
- FIG. 23 is an explanatory diagram of a second guide rail attached to a base.
- FIG. 24 is an explanatory view of a slider passing through a slit of the third guide rail.
- FIG. 25 is an explanatory diagram in the case where the ends of two sliders are bent inward.
- FIG. 26 is an explanatory view of a three-degree-of-freedom rotating system in which the second guide rail and the third guide rail are alternately mounted on the base.
- FIG. 27 is an explanatory diagram of a three-degree-of-freedom rotation system in which a third guide rail is attached to a base so as to be outside the second guide rail.
- FIG. 28 is an explanatory diagram in a case where the fourth guide rail and the fifth guide rail are attached to the indicator rod.
- FIG. 29 is an explanatory diagram of a three-degree-of-freedom rotation system in which a first guide rail and a sixth guide rail are integrally mounted on a base.
- FIG. 30 is an explanatory diagram in the case where the fourth guide rail and the fifth guide rail are formed in an umbrella shape.
- FIG. 31 is an explanatory diagram of a case where two pairs of sliders are connected to each other by connecting rods with respect to FIG.
- FIG. 32 is an explanatory diagram of a case where the first guide rail and the sixth guide rail are individually attached to the base in FIG. 29.
- FIG. 33 is an explanatory view of the case where two pipe sliders slide along the bar-shaped second guide rail and third guide rail, respectively, with respect to FIG. 29.
- FIG. 34 is an explanatory view of a case where two pipe sliders slide along the first and sixth rod-shaped guide rails, respectively, with respect to FIG. 33.
- FIG. 35 is an explanatory view of a case where two pipe sliders slide along the fourth guide rail and the fifth guide rail in the form of rods, respectively, with respect to FIG. 34.
- Fig. 36 shows the case where two pipe sliders slide along the fourth guide rail and fifth guide rail, respectively, and two pipe sliders are connected to each pipe slider by a connection shaft.
- FIG. 37 is an explanatory diagram of the case where the encoder is directly connected to the first guide rail, the second guide rail, the third guide, and the rail in FIG. 26.
- FIG. 38 is an explanatory diagram of gears attached to the first guide rail, the second guide rail, and the third guide rail with respect to FIG. 26.
- FIG. 39 is an explanatory diagram of a case where an encoder is connected to the FIG. 26 via gears attached to the first guide rail, the second guide rail, and the third guide rail.
- FIG. 40 is an explanatory diagram of an artificial eyeball in which a camera is embedded in a rotor.
- the basic structure of the three-degree-of-freedom rotation system is a spherical bearing structure in which a spherical rotor 1 and a base 2 which is hollowed out in a circle are combined.
- An indicator rod 3 is attached to the rotor 1.
- the base 2 has two shafts 4 on which the first guide rails 11 are mounted, and two shafts 4 on which the second guide rails 12 and the third guide rails 13 are mounted. , Are mounted so as to be perpendicular to each other. So, this first guy By placing the indicator rod 3 at the intersection of the rail 11, the second guide rail 12, and the third guide rail 13, the indicator rod 3 is moved along these guide rails. You can move. That is, the rotor 1 can rotate with three degrees of freedom in accordance with the direction of the pointing rod 3.
- the functions of the individual parts of the three-degree-of-freedom rotation system will be described with reference to the drawings.
- the rotor 1 and the first guide rail 11 that rotates about the rotating shaft 6 are shown in FIGS. 3 and 4.
- the rotor 1 is arranged at the center of the base 2 so that the center of the rotor 1 is located on the rotation axis 6, and the two shafts 4 are disposed on the rotation axis 6. It is attached to this base 2 so as to face each other.
- the center of the base 2 is formed in a circular shape, and the rotor 1 can rotate freely.
- the outer shape of the base 2 may be arbitrary.
- Bearings 5 are attached to or formed at both ends of the first guide rail 11, respectively, and the first guide rail 11 curves in an arc along the surface of the mouth 1.
- these bearings 5 are mounted on the corresponding shafts 4 respectively. Therefore, the first guide rail 11 can rotate around the rotation shaft 6. Note that pole bearings may be used for these bearings 5.
- the indicator rod 3 is attached to or formed on the rotor 1 such that an extension of the indicator rod 3 passes through the center of the mouth 1.
- a slit 21 is opened in the first guide rail 11, and the indicator rod 3 can slide in the slit 21. Therefore, when the rotor 1 rotates about the rotation axis 6, the indicator rod 3 pushes the first guide rail 11, so that the first guide rail 11 also has the same rotation angle as the rotor 1. Only, it rotates around this rotation axis 6. Conversely, when the first guide rail 11 rotates about the rotation axis 6, the first guide rail 11 pushes the indicator rod 3 so that the mouth 1 is also closed. Guide rail 11 rotates about this rotation axis 6 by the same rotation angle as 1.
- the mouth 1 can rotate until the indicator rod 3 reaches the end of the slit 21. Furthermore, when the rotor 1 rotates around the indicator rod 3 as a center axis, the indicator rod 3 does not apply a force to the first guide rail 11, so that the first guide rail 11 does not rotate. Therefore, the mouth 1 can rotate infinitely around the indicator rod 3 as a central axis.
- the base 2 is located exactly at the center of the row 1, but this makes the mouth 1 unstable and easily detaches from the base 2. Therefore, as shown in FIG. 5, the position of the base 2 is shifted from the rotating shaft 6, and each shaft 4 is fixed to the base 2 by a spacer 7. Can be supported. In addition, since the base 2 does not interfere with the indicator rod 3, the first guide rail 11 can rotate more than 180 degrees. However, the central portion of the base 2 is formed in a circular shape in accordance with the contact surface of the rotor 1, and each contact surface is machined so that the friction between the rotor 1 and the base 2 is minimized. Shall be.
- the rotor 1 jumps in the base 2, and as shown in Fig. 6, the rotor 1 is stabilized by sandwiching the rotor 1 between the two bases 2. Can be. In addition, this makes it easy to assemble the three-degree-of-freedom rotation system. At this time, by arranging a large number of rolling elements (generally poles) between the mouth 1 and the base 2, the friction between the rotor 1 and the base 2 can be extremely reduced. In addition, the vibration of the rotor 1 can be suppressed.
- a large number of rolling elements generally poles
- the three-degree-of-freedom rotation system using one first guide rail 11 has been described above. However, this system can detect only the rotation angle about one rotation axis 6 among the three rotation axes 6 of the rotor 1.
- the second guide rail 12 shown in FIG. 8 is attached to the base 2 so that the rotation axis 6 of the second guide rail 12 is orthogonal to the rotation axis 6 of the first guide rail 11, It is obvious that a rotation angle around two of the three rotation axes 6 can be detected. Therefore, in the following, using the third guide rail 13, the rotation angle around the remaining one of the three rotation shafts 6 of the rotor 1 is described. A method for detecting the degree will be described.
- the slider 22 whose end is bent outward is attached to the indicator rod 3.
- a portion of the slider 22 attached to the indicator rod 3 may have an arbitrary cross section, and these portions may be curved in an arc along the surface of the rotor 1.
- the end of the slider 22 is rod-shaped.
- the slider 22 is passed through the slit 21 of the third guide rail 13 and then attached to the same rotary shaft 6 as the second guide rail 12. At this time, it is desirable that the mounting portion 27 of the third guide rail 13 and the slit 21 be formed such that the base 2 and the slit 21 are orthogonal to each other.
- the angle formed by the slit 21 and the mounting portion 27 is 90 degrees, but if this angle is designed to exceed 90 degrees, However, when the third guide rail 13 rotates, the mounting portion 27 can be prevented from protruding significantly below the base 2. Further, the slit 21 is preferably inclined outward so that the slider 22 slides smoothly. Finally, these guide rails may be mounted on the base 2 so as to be nested, or may be mounted on the base 2 so as to be staggered.
- the indicator rod 3 can also move in parallel with these guide rails.
- the indicator rod 3 does not rotate with respect to the extension. Therefore, let us consider a case where these guide rails rotate around a rotating shaft 6 passing through two shafts 4 with this interval kept constant. At this time, if the rotor 1 rotates about the rotating shaft 6, the indicator rod 3 pushes or pulls the second guide rail 12 so that the guide rail is also the same as the mouth 1 It rotates around this rotation axis 6 by the rotation angle.
- the guide rail pushes or pulls the indicator rod 3 so that the rotor 1 is also rotated by the same rotation angle as the guide rail. It rotates around the rotation axis 6.
- the second guide rail 12 and the third guide rail 13 rotate independently. At this time, the distance between these guide rails becomes wider or narrower. Therefore, if the distance between these guide rails is widened due to the rigidity of the slider 22, the angle ⁇ (see FIGS. 1 and 2) formed by the slider 22 and these guide rails becomes The indicator rod 3 rotates in a direction approaching 90 degrees.
- the indicator rod 3 rotates in a direction in which the angle 0 formed by the slider 22 and these guide rails approaches 0 degrees. Therefore, when the rotor 1 rotates with respect to the extension of the indicator rod 3, the angle formed by these guide rails increases or decreases depending on the rotation direction. Further, by increasing or decreasing the angle formed by these guide rails, the mouth 1 can be rotated with respect to the extension of the indicator rod 3. At this time, the rotor 1 can rotate in the range of 0 to 180 degrees with respect to these guide rails. However, if only the difference between the rotation angles of these guide rails is used, the rotation angle can be specified only in the range of 0 to 90 degrees. However, if these guide rails are both shaped as shown in Fig. 4 and these guide rails are nested on the base 2 and the outer guide rail can cross the indicator rod 3, As long as the rotation angle can be specified in the range of 0 to 180 degrees.
- the outwardly bent slider 22 as shown in FIG. 7 has been described, but instead, the inwardly bent slider 2 as shown in FIG. 10 is used. 2 may be used.
- the slider 22 passes through these slits 21 from outside the third guide rail 13.
- the slider 22 can be prevented from coming off the slit 21 of the third guide rail 13. .
- the embodiment of the three-degree-of-freedom rotating system according to the invention described in claim 1 is an orthogonal first guide rail 11, second guide rail 12, and second guide rail 12.
- Three guide rails 13 are provided.
- all the shafts 4 are attached to the base 2.
- the second guide rails 12 and the third guide rails 13 are alternately mounted on the base 2.
- these guide rails are nested on the base 2.
- the first guide rail 1 is provided inside the second guide rail 12 and the third guide rail 13. 1 is attached.
- the reason for this is to prevent the ends of the sliders 22 from being caught on the first guide rail 11. Therefore, when a slider 22 as shown in FIG. 25 is used, it is better to attach the first guide rail 11 outside the second guide rail 12 and the third guide rail 13. Further, as shown in FIGS. 1 and 2, when the second guide rails 12 and the third guide rails 13 are parallel to each other, the slider 22 is moved with respect to these guide rails. It is assumed that these guide rails are attached to the base 2 so that they are inclined at an angle. At this time, from the difference between the rotation angles of the guide rails, it is possible to easily calculate the rotation angle of the mouth 1 around the extension of the indicator rod 3.
- the shafts 4 have been embedded in the base 2 or have been cut from the base 2.
- at least one of these shafts 4 may be attached to or formed at one end of the first guide rail 11, the second guide rail 12, and the third guide rail 13.
- at least one bearing 5 is mounted at the position of at least one shaft 4 to be mounted on the base 2.
- the guide rail to which the shaft 4 is attached is less likely to come off from the base 2 and has three degrees of freedom.
- the assembly of the rotation system is facilitated.
- the embodiment of the three-degree-of-freedom rotation system according to the invention described in claim 12 is effective when the second guide rails 12 and the third guide rails 13 are alternately arranged.
- the embodiment of the three-degree-of-freedom rotation system according to the invention described in Item 13 is effective when the second guide rails 12 and the third guide rails 13 are nested.
- a fourth guide rail 14 curved in an arc shape along the surface of the rotor 1 is attached to the indicator rod 3.
- a slit 21 is opened in the fourth guide rail 14, and a slider 22 slides in the slit 21.
- both ends of the slider 22 are processed so as to expand, or, as shown in FIG. 13, stoppers 23 are attached to both ends. As a result, the slider 22 does not come off the slit 21.
- the slider 22 is mounted at the intersection of the third guide rail 13 and the fourth guide rail 14. Attached. At this time, the extension line of the slider 22 passes through the center of the rotor 1 If the inclination of these guide rails is adjusted, this slider 22 will always be perpendicular to these guide rails, so this slider 22 will be smooth in the slits 21 of these guide rails. You can slide to. Therefore, as the first guide rail 11 rotates with respect to the two corresponding shafts 4, the slider 22 slides in the slit 21 of the third guide rail 13. This row 1 can also rotate about these axes 4.
- the third guide rail 13 also rotates together. Can rotate with respect to Further, by changing the distance between the second guide rail 12 and the third guide rail 13, the slider 22 slides in the slit 21 of the fourth guide rail 14. One night can rotate with respect to the indicator rod 3.
- the third guide rail 13 is also rod-shaped.
- the third guide rail 13 has a rod shape and the fourth guide rail 14 has a slit 21.
- the pipe slider 25 slides along the third guide rail 13 so that the slider 22 attached to the pipe slider 25 becomes the fourth guide rail. It is possible to slide smoothly in the slit 21 of 14.
- the pipe slider 25 is curved with respect to the third guide rail 13.
- the embodiment of the three-degree-of-freedom rotating system according to the invention described in claim 10 uses at least one wire by using a pipe-shaped indicator rod 3. All wires can be taken out of Row 1 without having to entangle all guide rails. At this time, by making a part of these wires into a coil shape, these wires do not need to apply an unnecessary load to all the guide rails. As a result, any parts can be attached to the rotor 1, and the application range of the three-degree-of-freedom rotation system is greatly expanded.
- the embodiment of the three-degree-of-freedom rotation system according to the first aspect of the present invention includes a pipe slider 25 attached to an arbitrary position of the indicator rod 3 via a connecting shaft 24 or a bearing. It can also be slid along the guide rail 11. However, it is assumed that the pipe slider 25 is curved along the first guide rail 11.
- each slider 22 attached to the indicator rod 3 may have an arbitrary cross section, and these portions may be curved in an arc along the surface of the rotor 1. Further, the ends of these sliders 22 are rod-shaped, and the angle formed by these ends with the indicator rod 3 as the center is set to 180 degrees or a slightly smaller angle. Shall be.
- the first guide rail is formed as shown in FIG. 1 Attach the second guide rail 1 2 to the base 2 in the same manner as 1.
- FIG. 22 shows a case where the angle between the slit 21 and the mounting portion 27 is 90 degrees, but if the angle r is designed to exceed 90 degrees, For example, when the second guide rail 12 rotates, it is possible to prevent the mounting portion 27 from protruding significantly below the base 2. Further, the slit 21 is preferably inclined outward so that the slider 22 slides smoothly.
- the third guide rail 13 is to be attached to the base 2 like the second guide rail 12. At this time, these guide rails may be attached to the base 2 so as to be nested, or may be attached to the base 2 so as to be staggered.
- the rail also rotates around this rotation axis 6 by the same rotation angle as this one. Conversely, when these guide rails rotate about this rotation axis 6, these guide rails push and pull these sliders 22 so that the rotor 1 also becomes the same as these guide rails. Rotate about this rotation axis 6 by the same rotation angle.
- the rotor 1 can be rotated with respect to the extension of the indicator rod 3. At this time, the rotor 1 can rotate in the range of 0 to 180 degrees with respect to these guide rails, but when only the difference between the rotation angles of these guide rails is used, 0 to The rotation angle can be specified only in the range of 90 degrees. Therefore, by making the angle formed by the ends of the sliders 22 around the indicator rod 3 slightly smaller than 180 degrees, even if the distance between the guide rails is maximized, The rotor 1 can be prevented from rotating more than 90 degrees.
- the second guide rail 12 and the third guide rail 13 rotate independently, even if the difference between the rotation angles of these guide rails is constant, depending on the position of the indicator rod 3.
- the distance between the guide rails changes.
- the slits 21 of the guide rails are bent in a U-shape so that the slits 21 of the guide rails are parallel to the base 2 and the third guide rails 13 Is used.
- an embodiment of the three-degree-of-freedom rotation system according to the invention described in claim 4 is composed of an orthogonal first guide rail 11 and a second guide rail 12. And a third guide rail 13.
- all the shafts 4 are attached to the base 2.
- the second guide rails 12 and the third guide rails 13 are alternately attached to the base 2.
- these guide rails are mounted on the base 2 in a nested manner.
- the inner side of the second guide rail 12 and the third guide rail 13 is used.
- the first guide rail 11 is attached to the first guide rail.
- the reason for this is to prevent the ends of these sliders 22 from being caught on the first guide rail 11. Therefore, when two sliders 22 as shown in FIG. 25 are used, it is better to attach the first guide rail 11 outside the second guide rail 12 and the third guide rail 13. .
- FIGS. 26 and 27 when the second guide rails 12 and the third guide rails 13 are parallel, the sliders 22 are opposed to these guide rails. It is assumed that these guide rails are attached to the base 2 so that they are inclined by 45 degrees. At this time, from the difference between the rotation angles of the guide rails, it is possible to easily calculate the rotation angle of the roller 1 about the extension of the pointer 3.
- the case where the four shafts 4 are embedded in the base 2 or the case where the four shafts 4 are cut out from the base 2 has been described.
- at least one of these shafts 4 may be attached to or formed at any one end of the first guide rail 11, the second guide rail 12, and the third guide rail 13.
- at least one bearing 5 is mounted at the position of at least one shaft 4 to be mounted on the base 2.
- the guide rail to which the shaft 4 is attached is less likely to come off the base 2 and to have three degrees of freedom. The assembly of the rotation system is facilitated.
- the embodiment of the three-degree-of-freedom rotation system according to the invention described in claim 12 is effective when the second guide rails 12 and the third guide rails 13 are alternately arranged.
- the embodiment of the three-degree-of-freedom rotation system for the invention described in Item 13 is effective when the second guide rail 12 and the third guide rail 13 are nested.
- the three-degree-of-freedom rotation system according to the fourth aspect of the present invention can rotate the rotor 1 with a small number of components, but has the following three problems.
- a fourth guide curved in an arc along the surface of the rotor 1 It is assumed that the rail 14 and the fifth guide rail 15 are attached to the indicator rod 3. At this time, these guide rails may be made of one flat plate, or each guide rail may be attached to the indicator rod 3. A slit 21 is opened in each of these guide rails, and a slider 22 slides in each slit 21. However, both ends of each of the sliders 22 are processed so as to expand or, as shown in FIG. 28, stoppers 23 are attached to both ends. Thereby, these sliders 22 do not come off these slits 21. Next, the first guide rail 11 and the sixth guide rail 16 share the bearing 5 at both ends thereof, and are attached to the corresponding shaft 4.
- these guide rails are curved in an arc along the surface of the rotor 1 as shown in FIG. Further, as shown in FIG. 22, these guide rails are bonded so that the arcuately curved portion of the guide rails is perpendicular to the base 2, or one of the guide rails is used. It is processed from a flat plate. Therefore, these guide rails are parallel.
- the embodiment of the three-degree-of-freedom rotation system according to the invention described in claim 7 has a first guide rail 11 at the intersection of the second guide rail 12 and the fifth guide rail 15. So that the sixth guide rail 16 overlaps the intersection of the third guide rail 13 and the fourth guide rail 14, and the slider 22 is attached to each intersection.
- sliders 22 are attached to the intersections of the second guide rails 12 and the fourth guide rails 14 and the intersections of the third guide rails 13 and the fifth guide rails 15 respectively. May be. At this time, if the inclination of these guide rails is adjusted so that the extension line of these sliders 22 passes through the center of rotor 1, these sliders 22 will always be perpendicular to these guide rails.
- these sliders 22 can slide smoothly in the slits 21 of these guide rails. Therefore, as the fifth guide rail 15 and the fourth guide rail 14 rotate with respect to the corresponding shaft 4, these sliders 22 become slits 21 and 21 of the second guide rail 12 respectively.
- This rotor 1 slides in the slit 2 1 of this third guide rail 1 3 They can rotate about their axes 4.
- the second guide rail 12 and the third guide rail 13 rotate with respect to the corresponding shaft 4
- these sliders 2 2 are moved to the slits 21 and 5 of the fifth guide rail 15 respectively. Since the fourth guide rail 14 slides in the slit 21, the rotor 1 can also rotate with respect to these shafts 4.
- these sliders 22 can move through the fifth guide rail 15 and the fourth guide rail 14, respectively. Slide.
- these sliders 22 slide in the slits 21 of the first guide rail 11 and the slits 21 of the sixth guide rail 16, respectively, the rotor 1 rotates with respect to the indicator rod 3. can do.
- the fourth guide rail 14 and the fifth guide rail 15 are formed in an umbrella shape.
- the ends of these guide rails are not bent. This method is the easiest, but it is very effective because the remaining guide rail radius can be reduced together.
- an embodiment of the three-degree-of-freedom rotation system for the invention described in claim 7 is that the first guide rail 11 is located at the intersection of the second guide rail 12 and the fifth guide rail 15.
- the sixth guide rail 16 overlaps the intersection of the third guide rail 13 and fourth guide rail 14.
- the intersection of the second guide rail 12 and the first guide rail 11, the intersection of the third guide rail 13 and the first guide rail 11, the second guide rail 12 and the Sliders 22 are attached to the intersection of the sixth guide rail 16 and the intersection of the sixth guide rail 13 and the sixth guide rail 16, respectively.
- the extension lines of these sliders 22 pass through the center of the rotor 1.
- this three-degree-of-freedom rotation system can bend all guide rails by finely rotating the first guide rail 11, the second guide rail 12, the third guide rail 13, and the sixth guide rail 16.
- the rotor 1 rotates with three degrees of freedom, the first guide rail 11, the second guide rail 12, the third guide rail 13 and
- the sixth guide rail 16 rotates independently, the force applied to these guide rails via the two sliders 22 can be dispersed.
- each of these pipe sliders 25 can slide smoothly along these guide rails.
- these pipe sliders 25 are machined into an arc shape in accordance with these guide rails.
- these sliders 22 slide along the first guide rail 11 and the sixth guide rail 16, respectively. Therefore, these sliders 22 slide along the fifth guide rail 15 and the fourth guide rail 14, respectively, and as a result, the rotor 1 rotates clockwise.
- the rotor 1 rotates counterclockwise.
- these pipe sliders 25 when used, these pipe sliders 25 exhibit the same effect as the two connecting rods 26 shown in FIG. The trail does not flex. At this time, since these connecting rods 26 are not required, the fourth guide rails 14 and the fifth guide rails 15 can be processed into an umbrella shape.
- each of the sliders 22 has Two pipe sliders 25 are mounted so as to be orthogonal. It is assumed that these pipe sliders 25 are machined in an arc shape in accordance with these guide rails. As a result, these guide rails do not bend, and the extension of each slider 22 always passes through the center of the rotor 1. Of course, if the fourth guide rail 14 and the fifth guide rail 15 are machined into an umbrella shape, these guide rails will not bend.
- the three-degree-of-freedom rotation system according to the invention of claim 7 has three pipe sliders 25 each.
- the two sliders 22 provided with are used.
- these pipe sliders 25 are fixed, even if the distance between the second guide rail 12 and the third guide rail relay 13 changes, the fifth guide rail 15 and the fourth guide rail 14 are not changed.
- the direction is constant, so the mouth 1 cannot rotate. Therefore, as shown in Fig.
- FIGS. 33, 34 and 35 For simplicity, a three-degree-of-freedom rotation system as shown in FIGS. 33, 34 and 35 has been described here, but, of course, at least one guide rail is a rod.
- the pipe sliders 25 may be used by the number of these guide rails. At this time, if at least one rolling element is provided inside each pipe slider 25, these pipe sliders 25 can slide smoothly along the corresponding guide rails.
- the embodiment of the three-degree-of-freedom rotation system according to the invention described in claim 10 has at least one It is possible to take out all the wires from the rotor 1 without having to entangle the wires with all the guide rails. At this time, by making a part of these wires into a coil shape, these wires do not need to apply an unnecessary load to all the guide rails. As a result, any part can be attached to the rotor 1, so that the application range of the three-degree-of-freedom rotation system is greatly expanded.
- the relationship between the slider 22 and the first to sixth guide rails has been described.
- a method of detecting the rotation angle of the rotor 1 and a method of driving the rotor 1 will be described mainly using the three-degree-of-freedom rotation system shown in FIG.
- the three-degree-of-freedom rotation system according to the invention described in claim 14 is based on the first guide rail 11, the second guide rail 12, and the third guide rail 13.
- a plurality of encoders 31 and a plurality of actuators can be easily attached to these shafts 4.
- these shafts 4 are not directly mounted on these guide rails, these encoders 31 and these actuators may be directly mounted on these guide rails.
- one encoder 31 is provided on one shaft 4.
- this encoder 31 must be located on an extension of this axis 4.
- the strength of these guide rails, the indicator rod 3, and the two sliders 22 must be large.
- the three-degree-of-freedom rotation system becomes large and heavy. Therefore, as shown in FIG. 38, for each of these guide rails, a gear 32 is attached to at least one of one guide rail, one shaft 4 and one bearing 5.
- each encoder 31 can be installed in any direction. By further adjusting the gear ratio, these encoders 31 can be rotated with a small torque.
- a crank or a cam may be used instead of the gear 32.
- each encoder 31 can be arranged at an arbitrary position.
- two bevel gears 32 are connected between each guide rail and the corresponding encoder 31.
- spur gears, cylindrical gears, worm gears and the like are used. May be.
- a crank or a cam may be used instead of the gear 32.
- each of at least one encoder 31 is equipped with an actuator.
- the present invention can not only detect the rotation angle of the rotor 1 with three degrees of freedom, but also rotate the mouth 1 with three degrees of freedom. Therefore, the present invention is also suitable for an application in which an arbitrary position is photographed while the photographing position is specified, such as a moving force camera having the camera 41 mounted on the rotor 1.
- a moving force camera having the camera 41 mounted on the rotor 1.
- only the first and second guide rails 11, 12, and 13 can be connected to each other. Is also possible.
- the angle of the rotor 1 can be finely controlled without using the encoder 31.
- the rotation angle of the two encoders 31 connected to each of the second guide rail 12 and the third guide rail 13 is calculated to determine the rotation angle of the rotor 1.
- the difference must be calculated, and when the two sliders 22 slide in the slits 21 of these guide rails, the rotation angle must be corrected according to the position of the indicator rod 3. Therefore, in the embodiment of the three-degree-of-freedom rotation system according to the invention described in claim 19, these calculations are performed using a computer system. Further, even when the rotor 1 is rotated using at least one actuator, it is necessary to finely control the rotation angle of each actuator.
- the computer system is used to control these factories.
- the user of the present invention can easily use the three-degree-of-freedom rotation system.
- the embodiment of the artificial eyeball according to the invention described in claim 21 is a three-degree-of-freedom rotation system in which the camera 41 is embedded in the camera 1.
- the camera 41 is represented by oblique lines, and all guide rails other than the first guide rail 11 are omitted.
- the lens 41 of the camera 41 faces in the opposite direction to the indicator rod 3, and the camera 41 also moves through the indicator rod 3 so that the optical axis 43 of the lens 42 passes through the indicator rod 3. If embedded in 1, the computer system can easily determine the direction of the optical axis 43 by detecting the direction of the indicator rod 3.
- the wires 4 4 of the camera 4 1 pass through the indicator rod 3, the wires 4 4 do not become entangled with any of the guide rails.
- the optical axis 43 of this lens 42 can also move until it is hindered. Therefore, this artificial eyeball can photograph a wide range.
- the computer system since these pixels are stored in this memory in order, the computer system only needs to read out these pixels in any order from any of the four corners of this image. In other words, this computer system does not need to perform the affine transformation. Thus, the computer system can rotate the image by 90 degrees simply by reading and writing these pixels to and from the memory. Therefore, this computer system uses the three-degree-of-freedom rotation system to rotate the camera 41 to approximately 90 degrees, and as a result, the image taken by the camera 41 is rotated approximately 360 degrees. Can be. In this method, the power consumption does not change even if this image is rotated to an arbitrary angle. Therefore, it is optimal for devices that require low power consumption such as mobile phones.
- these wires can be taken out.
- these wires may be electric wires 44. Therefore, by attaching the camera 41 to the mouth 1, the designer of the mobile camera 41 can easily design the mobile camera and human eyeball without entanglement of these electric wires 44 with all the guide rails. be able to.
- the joystick manufacturer installed a linear encoder perpendicular to the rotor 1, the joystick user would be able to control the zoom of the moving camera simply by sliding the linear encoder back and forth. become able to.
- the present invention can detect three rotation angles of the mouth 1 by combining the output results of the three encoders 31. Therefore, when the user of the present invention rotates the row 1 like a track pole, the present invention can detect the rotation angle of the rotor 1. Further, when the user of the present invention rotates the indicating rod 3 like a joystick, the present invention can also detect the rotation angle of the indicating rod 3. Further, the present invention can detect the rotation angle of the rotor 1 even when the rotor 1 is rotated using the conventional multi-degree-of-freedom practice. Therefore, by mounting the present invention on a small information terminal such as a mobile phone, the terminal designer can inexpensively realize a small and lightweight user interface for controlling the mobile camera.
- the user of the present invention can use the present invention as a mobile camera or an artificial eyeball.
- the indicator rod 3 by making the indicator rod 3 into a pipe shape, the signal line of the camera 41 can be easily taken out from the mouth 1, so that the present invention is very effective for a mobile camera and an artificial eyeball. is there.
- the output results of the three encoders 31 are combined. By combining them, three rotation angles of the rotor 1 can be detected, and further, the rotor 1 can be rotated according to these rotation angles. Therefore, by attaching the supports to the roof 1 and the base 2, respectively, the user of the present invention can use the present invention as a joint of the mouth pot. Further, by incorporating the camera 41 into the rotor 1, the user of the present invention can use the present invention as a mobile camera or an artificial eyeball. At this time, by making the indicating rod 3 into a pipe shape, the signal line of the camera 41 can be easily taken out from the rotor 1, so that the present invention is very effective for a mobile camera and an artificial eyeball. .
- the user of the joystick controls the moving camera from a remote place, and reflects the orientation of the moving camera on the joystick, so that the user can control the moving joystick. It is possible to realize a two-way interface such as realizing the direction of the camera.
- the rotor 1 can be rotated according to the rotation angles. Therefore, the user of the present invention can use the present invention as a pan head. Further, by attaching the light source to the rotor 1, the user of the present invention can use the present invention as a searchlight. Further, by attaching a mirror to the rotor 1, the user of the present invention can use the present invention as an electric pack mirror and an electric side mirror. In addition, by using a stepping motor as an actuator and further incorporating a camera 41 in the rotor 1, the user of the present invention can use the present invention as a mobile camera or an artificial eyeball. At this time, the signal rod of the camera 41 can be easily taken out from the rotor 1 by forming the indicator rod 3 into a pipe shape, so that the present invention is very effective for a mobile camera and an artificial eyeball.
- the human eyeball does not increase the volume of the rotor 1, but uses a computer system to reduce the force of the power camera 41.
- the direction of the optical axis 43 can be controlled with three degrees of freedom. Therefore, a designer of a mobile phone can mount the artificial eyeball on a mobile phone that requires miniaturization.
- the artificial eyeball can rotate the image captured by the camera 41 at an arbitrary angle without using a special image processing system such as an affine transformation. That is, even if the size of this image increases, the artificial eyeball does not need to consume extra power to rotate the image at an arbitrary angle. Therefore, the designer of a mobile phone can mount the artificial eyeball on a mobile phone that requires low power consumption.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Manipulator (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Transmission Devices (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003281712A AU2003281712A1 (en) | 2002-07-25 | 2003-07-16 | Rotation system with three degree of freedom and application of the same |
US10/522,306 US7396168B2 (en) | 2002-07-25 | 2003-07-16 | Rotation system with three degrees of freedom and application of the same |
DE60334918T DE60334918D1 (de) | 2002-07-25 | 2003-07-16 | Rotationssystem mit drei freiheitsgraden und anwendung desselben |
EP03741435A EP1541897B1 (en) | 2002-07-25 | 2003-07-16 | Rotation system with three degree of freedom and application of the same |
JP2005505573A JP4378345B2 (ja) | 2002-07-25 | 2003-07-16 | 3自由度回転システム及びその応用 |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-216381 | 2002-07-25 | ||
JP2002216381 | 2002-07-25 | ||
JP2002-224487 | 2002-08-01 | ||
JP2002224487 | 2002-08-01 | ||
JP2002-252960 | 2002-08-30 | ||
JP2002252960 | 2002-08-30 |
Publications (1)
Publication Number | Publication Date |
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WO2004011824A1 true WO2004011824A1 (ja) | 2004-02-05 |
Family
ID=31191863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/009058 WO2004011824A1 (ja) | 2002-07-25 | 2003-07-16 | 3自由度回転システム及びその応用 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7396168B2 (ja) |
EP (1) | EP1541897B1 (ja) |
JP (1) | JP4378345B2 (ja) |
CN (1) | CN100351546C (ja) |
AU (1) | AU2003281712A1 (ja) |
DE (1) | DE60334918D1 (ja) |
TW (1) | TW200404130A (ja) |
WO (1) | WO2004011824A1 (ja) |
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EP2508535A1 (en) | 2006-09-12 | 2012-10-10 | INSERM (Institut National de la Santé et de la Recherche Médicale) | Nucleic acids for expressing a polynucleotide of interest in mammalian cancer cells |
JP2017524938A (ja) * | 2014-07-25 | 2017-08-31 | ラドゥックス・ディヴァイシーズ・エルエルシー | 遮蔽装置及び方法 |
CN110403375A (zh) * | 2019-08-20 | 2019-11-05 | 佛山市艾臣家居科技有限公司 | 一种电动旋转开合收纳储物镜 |
US10517550B2 (en) | 2018-05-04 | 2019-12-31 | Radux Devices, LLC | Radiation shielding devices, systems, and methods |
US12178623B2 (en) | 2013-09-20 | 2024-12-31 | Radux Devices, LLC | Lock-block shield device |
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- 2003-07-16 WO PCT/JP2003/009058 patent/WO2004011824A1/ja active Application Filing
- 2003-07-16 CN CNB038177978A patent/CN100351546C/zh not_active Expired - Fee Related
- 2003-07-16 EP EP03741435A patent/EP1541897B1/en not_active Expired - Lifetime
- 2003-07-16 AU AU2003281712A patent/AU2003281712A1/en not_active Abandoned
- 2003-07-16 DE DE60334918T patent/DE60334918D1/de not_active Expired - Lifetime
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2508535A1 (en) | 2006-09-12 | 2012-10-10 | INSERM (Institut National de la Santé et de la Recherche Médicale) | Nucleic acids for expressing a polynucleotide of interest in mammalian cancer cells |
US12178623B2 (en) | 2013-09-20 | 2024-12-31 | Radux Devices, LLC | Lock-block shield device |
JP2017524938A (ja) * | 2014-07-25 | 2017-08-31 | ラドゥックス・ディヴァイシーズ・エルエルシー | 遮蔽装置及び方法 |
US11302453B2 (en) | 2014-07-25 | 2022-04-12 | Radux Devices, LLC | Shielding device and method |
US10517550B2 (en) | 2018-05-04 | 2019-12-31 | Radux Devices, LLC | Radiation shielding devices, systems, and methods |
US11222732B2 (en) | 2018-05-04 | 2022-01-11 | Radux Devices, LLC | Radiation shielding devices, systems, and methods |
US11948701B2 (en) | 2018-05-04 | 2024-04-02 | Radux Devices, LLC | Radiation shielding devices, systems, and methods |
CN110403375A (zh) * | 2019-08-20 | 2019-11-05 | 佛山市艾臣家居科技有限公司 | 一种电动旋转开合收纳储物镜 |
Also Published As
Publication number | Publication date |
---|---|
TWI302185B (ja) | 2008-10-21 |
EP1541897A1 (en) | 2005-06-15 |
AU2003281712A1 (en) | 2004-02-16 |
US7396168B2 (en) | 2008-07-08 |
JPWO2004011824A1 (ja) | 2005-11-24 |
TW200404130A (en) | 2004-03-16 |
CN100351546C (zh) | 2007-11-28 |
US20060050173A1 (en) | 2006-03-09 |
CN1671980A (zh) | 2005-09-21 |
EP1541897A4 (en) | 2009-07-01 |
JP4378345B2 (ja) | 2009-12-02 |
DE60334918D1 (de) | 2010-12-23 |
EP1541897B1 (en) | 2010-11-10 |
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