CN106896706A - A kind of clock and striking mechanism - Google Patents
A kind of clock and striking mechanism Download PDFInfo
- Publication number
- CN106896706A CN106896706A CN201710242465.1A CN201710242465A CN106896706A CN 106896706 A CN106896706 A CN 106896706A CN 201710242465 A CN201710242465 A CN 201710242465A CN 106896706 A CN106896706 A CN 106896706A
- Authority
- CN
- China
- Prior art keywords
- clock
- processor
- pointer
- time
- power set
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C9/00—Electrically-actuated devices for setting the time-indicating means
- G04C9/08—Electrically-actuated devices for setting the time-indicating means by electric drive
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Abstract
The invention provides a kind of clock and striking mechanism, it is related to clock field.Clock includes communication module, induction installation, processor, pointer and power set, and communication module, induction installation and power set are electrically connected with processor, wherein, processor receives the reference time that service end sends by communication module；Induction installation is in induction region of the pointer by induction installation to processor sending signal；Processor receives signal, and calculates time and the time difference of reference time that pointer is characterized according to signal and signal corresponding reference time, when time difference is more than threshold value, is instructed when sending school to power set；Power set are instructed when receiving school, adjust the position of pointer so that the time of pointer sign is consistent with the reference time.The position of pointer is adjusted by power set, to make the sign time of clock identical with the reference time, the accuracy of clock is effectively improved, Consumer's Experience is enhanced while the artificial adjustment to the clock sign time is reduced.
Description
Technical field
The present invention relates to clock field, in particular to a kind of clock and striking mechanism.
Background technology
Up to now, clock always is one of commodity that compatriots dote on.At present, common analog timepiece has traditional
Mechanical clockwork spring provides the major class of quartz watch two that the stem-winder of power, battery provide power.Although the power of stem-winder and quartz watch
Source is different, but pointer time calibration or when proofread to pointer, all it is to use manually to be calibrated.
Manually adjusting or proofread pointer needs very careful operation, and GPRS it is certain to pin skill.And clock and watch one
As be placed on wall or building, when manually being proofreaded, trivial operations.
The content of the invention
In view of this, it is an object of the invention to provide a kind of clock and striking mechanism, to improve above mentioned problem.
To achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of clock, the clock and a service end are communicated to connect, and the clock includes communication module, induction installation, place
Reason device, pointer and power set, the communication module, the induction installation and the power set are electrical with the processor
Connection, wherein,
The processor is used for the reference time sent by the communication module real-time reception service end；
The induction installation is used to be sent out to the processor in induction region of the pointer by the induction installation
The number of delivering letters；
The processor is additionally operable to receive the signal, and according to the signal and the signal corresponding reference time
The time of the pointer sign and the time difference of the reference time are calculated, when the time difference is more than threshold value, to institute
State when power set send school and instruct；
The power set are instructed when being used to receive the school, adjust the position of the pointer so that what the pointer was characterized
Time is consistent with the reference time.
Preferably, the induction installation is range sensor.
Preferably, the power set are connected with the pointer, and the power for being provided by the power set is driven
The rotation of the pointer is calibrated.
Preferably, the clock also includes first gear, and the first gear is connected with the pointer, the power set
Including motor, driving chip and second gear, the driving chip is electrically connected with the processor, the motor
It is electrically connected with the driving chip, the second gear is connected on the motor；
The driving chip is used to receive positive rotaring signal or the reverse signal that the processor sends, and controls the driving
Motor forward or reverse；
The motor is used to drive the first gear to rotate by the second gear, to adjust the pointer
Position.
Preferably, the driving chip is driving chip L9110.
Preferably, the power set are connected with second hand, and the power for being provided by the power set drives second hand
Rotation be calibrated.
Preferably, also including thermometer, the thermometer is arranged on the pointer, for measuring simultaneously display environment temperature
Degree.
Preferably, the communication module is additionally operable to receive image and/or the video information that the service end sends, when described
Clock also includes display, and the display is arranged on the dial plate of clock, and the display is connected with the processor, for showing
Show the image and/or video information of service end transmission.
Preferably, also including indicator lamp, the housing of the clock is arranged on, the indicator lamp is connected with the processor,
The processor is additionally operable to control the indicator lamp to open or close.
A kind of striking mechanism, including loudspeaker and the clock, the loudspeaker is connected with the processor, for playing
The audio signal that the processor sends.
A kind of clock and striking mechanism that the present invention is provided, are communicated to connect by clock and a service end, and clock includes logical
Letter module, induction installation, processor, pointer and power set, communication module, induction installation and power set are electric with processor
Property connection, wherein, processor by communication module real-time reception service end send reference time；Induction installation passes through in pointer
To processor sending signal during the induction region of induction installation；Processor receives signal, and corresponding according to signal and signal
Reference time calculates time and the time difference of reference time that pointer is characterized, and when time difference is more than threshold value, is filled to power
Instructed when putting transmission school；Power set are instructed when receiving school, when adjusting the position of pointer so that the time of pointer sign is with referring to
Between it is consistent.The position of pointer is adjusted by power set, to make the sign time of clock identical with the reference time, is effectively carried
The accuracy of clock high, reduce it is artificial clock is characterized the time adjust while enhance Consumer's Experience.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the composition schematic diagram of clock system provided in an embodiment of the present invention；
The composition frame chart of the clock that Fig. 2 is provided by the embodiment of the present invention；
The circuit diagram of the power set that Fig. 3 is provided by the embodiment of the present invention；
The part-structure figure of the clock that Fig. 4 is provided by the embodiment of the present invention.
Icon：10- service ends；20- clocks；30- networks；21- processors；22- power set；23- communication modules；24-
Loudspeaker；25- indicator lamps；100- motors；110- second gears；200- pointers；210- hour hands；211- thermometers；220-
Minute hand；230- second hands；231- first gears；232- connecting rods；310- dial plates；320- displays；400- induction installations.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Present invention implementation generally described and illustrated in accompanying drawing herein
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can be
Mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood in the present invention
In concrete meaning.
Additionally, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important
Property.
Fig. 1 is referred to, is the composition schematic diagram of the clock system that the present embodiment is provided, the system includes clock 20, network
30 and service end 10, clock 20 is communicated to connect with service end 10 by network 30.
Service end 10 is used to send reference time and video and/or image information, the reference to clock 20 by network 30
Time can be the control time of local zone time or service end 10 setting corresponding to clock 20, video and/or image, and video can
Being Changes in weather information；Pictorial information can be landscape figure.
Clock 20 by 30 real-time reception service end of network 10 send reference time and service end 10 send video and/
Or image information.
Fig. 2 is referred to, is the composition frame chart of the clock 20 that the present embodiment is provided, clock 20 includes communication module 23, sensing
Device 400, processor 21 and power set 22, communication module 23, induction installation 400 and power set 22 are electric with processor 21
Property connection, wherein,
Processor 21 can be a kind of IC chip, the disposal ability with signal.Above-mentioned processor 21 can be
General processor, including central processing unit (Central Processing Unit, CPU), network processing unit (Network
Processor, NP) etc..Can also be digital signal processor (DSP)), application specific integrated circuit (ASIC), field programmable gate
Array (FPGA) or other PLDs, discrete gate or transistor logic, discrete hardware components.Can be real
Disclosed each logic diagram now or in the execution embodiment of the present invention.General processor can be microprocessor or the treatment
Device 21 can also be any conventional processor etc.
Reference time and video and/or image that processor 21 is sent by 23 real-time reception service end of communication module 10,
The reference time is the control time that the clock 20 standard time accordingly or service end 10 are set.
Induction installation 400 collection pointer 200 by the induction installation 400 induction region when signal and to the treatment
Device 21 sends the signal.The sensor can be one, naturally it is also possible to be multiple, be exemplified below using a sensor
The specific embodiment of device：
The induction installation 400 that present embodiment is used is range sensor, naturally it is also possible to use other sensors, such as sound
Wave sensor.The range sensor is arranged on the dial plate 310 of clock 20, and is arranged on the area that only second hand 230 rotates covering
In domain, the signal for gathering the process of second hand 230.When implementing, the Default Value of clock 20 has fixed sign time, such as table
The time is levied for 12 o'clock sharps, range sensor is arranged at three direction.Range sensor to emission infrared ray, when clock 20
Bring into operation and clock 20 second hand 230 by range sensor when, it is red that range sensor detects that second hand 230 reflects
Outside line obtains the signal of the process of second hand 230, and range sensor sends this signal to processor 21, and processor 21 receives the signal
And the reference time corresponding to the signal is recorded, for example, the sign time that clock 20 is can determine that when passing through for the first time is 12：00:
It is 12 when the 15th, passing through for the second time：01:It is 13 when the 15th, passing through for the 60th time：00:15, it is corresponding when recorded the 60th time and pass through
Reference time be 13：00:When 18, illustrate that the sign time of clock 20 is slow 3 seconds.When recorded the 60th time and pass through, institute is right
The reference time answered is 13：00:When 12, illustrate that the sign time of clock 20 is fast 3 seconds.
The threshold value of the difference of setting sign time and reference time, the threshold value that the present embodiment sets as more than or equal to 3 seconds,
When the sign time for receiving for the 60th time as described above is more than or equal to threshold value, processor 21 sends reversion letter to motor 100
Number or the positive rotaring signal adjustment sign time, it is consistent with the reference time to characterize the time.
The range sensor can for multiple, when for three when, be arranged on the dial plate 310 of clock 20, be separately positioned on：
Only second hand 230 is rotated in the region of covering, has and only second hand 230 and minute hand 220 are rotated in the region of covering, second hand 230,
Minute hand 220 and hour hands 210 are rotated in the region of covering.
Further, clock 20 is additionally provided with display 320, and display 320 is arranged at the dial plate 310 of clock 20, display
Device 320 is electrically connected with processor 21, receive image and/or video that service end 10 sends by communication module 23 for showing
Information.
Further, the housing of clock 20 is additionally provided with indicator lamp 25, and indicator lamp 25 is electrically connected with processor 21, is used for
The switching signal of the transmission of answer processor 21, and execution opens or closes operation.During specific implementation, by processor 21
The program of the time for opening or closing for opening or closing the indicator lamp 25 is write in face, and processor 21 is within the corresponding time to finger
Show that lamp 25 sends corresponding switching signal.
Further, clock 20 also includes thermometer 211, and the thermometer 211 is arranged on pointer 200, the present embodiment kind
Thermometer 211 is arranged on the hour hands 210 of clock 20, and the hour hands 210 of clock 20 are rotated slowly, and the influence to vision is smaller, while
Environment temperature can be gathered.
Fig. 3 is referred to, by the circuit diagram of the power set 22 that the embodiment of the present invention is provided, including driving chip L9110,
And M motors 100, motor 100 and driving chip L9110 electric connections.
Driving chip L9110 is to control two passage push-pull type power amplification application specific integrated circuit devices of motor 100
Part, discrete circuit is integrated among monolithic IC, makes the reduction of peripheral components cost, and whole aircraft reliability is improved.The chip has two
The input of TTL/CMOS compatibility level, with good anti-interference；Two output end energy direct-driving motors 100 it is forward and reverse
Motion, it has larger current driving ability, can by the follow current of 750~800mA, peak current capability per passage
Up to 1.5~2.0A；It has relatively low output saturation voltage drop simultaneously；Built-in clamp diode can discharge the reverse of inductive load
Dash current, makes it safe and reliable in the use for driving relay, direct current generator, stepper motor or switching power tube.
Driving chip L9110 pin sequence numbers 1OA：A roads output pin；2VCC：Supply voltage；3VCC：Supply voltage；4OB：
B roads output pin；5GND：Ground wire；6IA：A roads output pin：7IB：B roads output pin；8GND：Ground wire.
5th pin and the 8th pin are grounded, and the positive pole of motor 100 is connected to the 1st pin, negative pole and is connected to the 4th pin,
The main story signal that processor 21 sends is connected to the 7th pin, and reverse signal is connected to the 6th pin.2nd pin connects with the 3rd pin
Enter power supply.When motor 100 receives main story signal, motor 100 performs main story response, receives reverse signal time control
System, motor 100 performs reversion response.To adjust the position of pointer 200, when making the sign time of pointer 200 with referring to
Between it is consistent.
Fig. 4 is referred to, by the part-structure figure of the clock 20 that the embodiment of the present invention is provided.Including power set 22, sense
Answering device 400, display 320, pointer 200, dial plate 310, pointer 200 includes hour hands 210, minute hand 220, second hand 230, hour hands
210.Second hand 230 is connected with connecting rod 232, and first gear 231, hour hands 210 are fixedly installed in the connecting rod 232 of second hand 230
On be provided with thermometer 211.Power set 22 include motor 100 and second gear 110, and second gear 110 is arranged on drive
On dynamic motor 100, second gear 110 coordinates for transmitting power to connecting rod 232 with first gear 231.
A kind of striking mechanism, including clock 20 also includes loudspeaker 24, and loudspeaker 24 is connected with processor 21, the loudspeaker
24 are used for the audio signal that playback process device 21 sends.
In sum, the invention provides a kind of clock and striking mechanism, the clock and a service end are communicated to connect, when
Clock include communication module, induction installation, processor, pointer and power set, communication module, induction installation and power set with
Processor is electrically connected with, wherein, the reference time that processor is sent by communication module real-time reception service end；Induction installation exists
Pointer by induction installation induction region when to processor sending signal；Processor receives signal, and according to signal and letter
Number corresponding reference time calculates the time difference of time that pointer characterizes and reference time, when time difference is more than threshold value,
Instructed when sending school to power set；Power set are instructed when receiving school, adjust the position of pointer so that the time of pointer sign
It is consistent with the reference time.The position of pointer is adjusted by power set, to make the sign time of clock identical with the reference time,
The accuracy of clock is effectively improved, Consumer's Experience is enhanced while the artificial adjustment to the clock sign time is reduced.
Each functional module in each embodiment of the invention can integrate to form an independent part, also may be used
Being modules individualism, it is also possible to which two or more modules are integrated to form an independent part.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.It should be noted that：Similar label and letter exists
Similar terms is represented in following accompanying drawing, therefore, once being defined in a certain Xiang Yi accompanying drawing, then it is not required in subsequent accompanying drawing
It is further defined and is explained.
Claims (10)
1. a kind of clock, it is characterised in that the clock and a service end are communicated to connect, the clock includes communication module, sense
Answer device, processor, pointer and power set, the communication module, the induction installation and the power set with it is described
Processor is electrically connected with, wherein,
The processor is used for the reference time sent by the communication module real-time reception service end；
The induction installation is used to be sent to the processor in induction region of the pointer by the induction installation to be believed
Number；
The processor is additionally operable to receive the signal, and is calculated according to the signal and the signal corresponding reference time
The time that the pointer is characterized and the time difference of the reference time, when the time difference is more than threshold value, move to described
Power apparatus are instructed when sending school；
The power set are instructed when being used to receive the school, adjust the position of the pointer so that the time of pointer sign
It is consistent with the reference time.
2. clock according to claim 1, it is characterised in that the induction installation is range sensor.
3. clock according to claim 2, it is characterised in that the power set are connected with the pointer, for passing through
The power that the power set are provided drives the rotation of the pointer to be calibrated.
4. clock according to claim 3, it is characterised in that the clock also includes first gear, the first gear
Be connected with the pointer, the power set include motor, driving chip and second gear, the driving chip with it is described
Processor is electrically connected with, and the motor is electrically connected with the driving chip, and the second gear is connected to the driving
On motor；
The driving chip is used to receive positive rotaring signal or the reverse signal that the processor sends, and controls the motor
Forward or reverse；
The motor is used to drive the first gear to rotate by the second gear, to adjust the position of the pointer
Put.
5. clock according to claim 4, it is characterised in that the driving chip is driving chip L9110.
6. clock according to claim 5, it is characterised in that the power set are connected with second hand, for by described
The power that power set are provided drives the rotation of second hand to be calibrated.
7. clock according to claim 6, it is characterised in that also including thermometer, the thermometer is arranged on the finger
On pin, for measuring simultaneously display environment temperature.
8. clock according to claim 7, it is characterised in that the communication module is additionally operable to receive the service end and sends
Image and/or video information, the clock also includes display, and the display is arranged on the dial plate of clock, described aobvious
Show that device is connected with the processor, image and/or video information for showing service end transmission.
9. clock according to claim 8, it is characterised in that also including indicator lamp, be arranged on the housing of the clock, institute
State indicator lamp to be connected with the processor, the processor is additionally operable to control the indicator lamp to open or close.
10. a kind of striking mechanism, it is characterised in that the clock including loudspeaker and as described in claim any one of 1-9, it is described
Loudspeaker is connected with the processor, for playing the audio signal that the processor sends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710242465.1A CN106896706A (en) | 2017-04-13 | 2017-04-13 | A kind of clock and striking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710242465.1A CN106896706A (en) | 2017-04-13 | 2017-04-13 | A kind of clock and striking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106896706A true CN106896706A (en) | 2017-06-27 |
Family
ID=59196675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710242465.1A Pending CN106896706A (en) | 2017-04-13 | 2017-04-13 | A kind of clock and striking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106896706A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703731A (en) * | 2017-11-16 | 2018-02-16 | 广东乐芯智能科技有限公司 | A kind of automatic setting means of wrist-watch based on flexible strain transducer |
| CN107908095A (en) * | 2017-11-16 | 2018-04-13 | 广东乐芯智能科技有限公司 | A kind of automatic setting means of wrist-watch based on loop circuit |
| CN110879521A (en) * | 2019-09-30 | 2020-03-13 | 歌尔科技有限公司 | Time calibration device and method for light intelligent watch |
| CN113031424A (en) * | 2019-12-24 | 2021-06-25 | 斯沃奇集团研究及开发有限公司 | Timepiece with mechanical movement and correction device for correcting the displayed time |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1360237A (en) * | 2000-12-22 | 2002-07-24 | 彭光中 | Wireless method for calibrating time of clock |
| CN2518131Y (en) * | 2000-12-22 | 2002-10-23 | 彭光中 | Timing mechanism using radio for time setting |
| JP2005134112A (en) * | 2001-11-27 | 2005-05-26 | Citizen Watch Co Ltd | Electronic timepiece |
| CN104090483A (en) * | 2014-07-29 | 2014-10-08 | 苏州朗昇通信科技有限公司 | Method and device for calibrating time display instrument |
| CN104281049A (en) * | 2014-09-24 | 2015-01-14 | 熊汉生 | Intelligent watch and timing system and method of intelligent watch |
-
2017
- 2017-04-13 CN CN201710242465.1A patent/CN106896706A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1360237A (en) * | 2000-12-22 | 2002-07-24 | 彭光中 | Wireless method for calibrating time of clock |
| CN2518131Y (en) * | 2000-12-22 | 2002-10-23 | 彭光中 | Timing mechanism using radio for time setting |
| JP2005134112A (en) * | 2001-11-27 | 2005-05-26 | Citizen Watch Co Ltd | Electronic timepiece |
| CN104090483A (en) * | 2014-07-29 | 2014-10-08 | 苏州朗昇通信科技有限公司 | Method and device for calibrating time display instrument |
| CN104281049A (en) * | 2014-09-24 | 2015-01-14 | 熊汉生 | Intelligent watch and timing system and method of intelligent watch |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703731A (en) * | 2017-11-16 | 2018-02-16 | 广东乐芯智能科技有限公司 | A kind of automatic setting means of wrist-watch based on flexible strain transducer |
| CN107908095A (en) * | 2017-11-16 | 2018-04-13 | 广东乐芯智能科技有限公司 | A kind of automatic setting means of wrist-watch based on loop circuit |
| WO2019096182A1 (en) * | 2017-11-16 | 2019-05-23 | 广东乐芯智能科技有限公司 | Flexible strain sensor based automatic time synchronization method of watch |
| CN107703731B (en) * | 2017-11-16 | 2019-09-10 | 广东乐芯智能科技有限公司 | A kind of automatic time synchronization method of wrist-watch based on flexible strain transducer |
| CN107908095B (en) * | 2017-11-16 | 2019-09-10 | 广东乐芯智能科技有限公司 | A kind of automatic time synchronization method of wrist-watch based on loop circuit |
| CN110879521A (en) * | 2019-09-30 | 2020-03-13 | 歌尔科技有限公司 | Time calibration device and method for light intelligent watch |
| CN113031424A (en) * | 2019-12-24 | 2021-06-25 | 斯沃奇集团研究及开发有限公司 | Timepiece with mechanical movement and correction device for correcting the displayed time |
| CN113031424B (en) * | 2019-12-24 | 2022-04-01 | 斯沃奇集团研究及开发有限公司 | Timepiece with mechanical movement and correction device for correcting the displayed time |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106896706A (en) | A kind of clock and striking mechanism | |
| CN105223537B (en) | A kind of electric energy meter is visited one house after another detection device and method | |
| ATE311810T1 (en) | TELEMETRIC SENSOR AND CHARGING DEVICE FOR MEDICAL SENSOR | |
| CN202146293U (en) | Self-service electronic visual chart | |
| CN201804431U (en) | Wireless testing system for field luminous environment | |
| CN203520055U (en) | Clock device | |
| CN101520362B (en) | Air leakage measuring device of engine piston | |
| CN103424694A (en) | Monitoring device and monitoring method for stepping motor | |
| CN202673728U (en) | Intelligent electric fan | |
| CN204208002U (en) | Based on the intelligent sound the eyes of the blind of STC15F2K61S2 single-chip microcomputer | |
| CN103063088B (en) | A kind of flash-bang characteristic measuring system and measuring method | |
| CN206608089U (en) | A kind of garage rolling screen door automatic control system | |
| CN106954621B (en) | Ultrasonic bird repeller detector and detection method | |
| CN201561979U (en) | Locomotive velocity sensor test device | |
| CN212009845U (en) | Ammeter data acquisition equipment | |
| CN205722728U (en) | A kind of SCM Based rolling advertisement window | |
| TW201714564A (en) | Curtain remote control system | |
| CN206409108U (en) | Gating circuit based on ultrasonic sensing | |
| CN201811813U (en) | Digital display instrument for pressure transmitter | |
| JPH06288597A (en) | Filter cleaning display controller | |
| CN203102813U (en) | Photovoltaic power station outdoor display screen | |
| CN106837054A (en) | gating circuit based on ultrasonic sensing | |
| CN220475619U (en) | Alternating current phase adjusting circuit | |
| CN203587989U (en) | Multifunctional digital electronic clock | |
| KR102235774B1 (en) | Iot-based fine dust reduction System |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170627 |
|
| RJ01 | Rejection of invention patent application after publication |