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GB9112190D0 - Absolute rotary encoder for low speed measurements - Google Patents

Absolute rotary encoder for low speed measurements

Info

Publication number
GB9112190D0
GB9112190D0 GB919112190A GB9112190A GB9112190D0 GB 9112190 D0 GB9112190 D0 GB 9112190D0 GB 919112190 A GB919112190 A GB 919112190A GB 9112190 A GB9112190 A GB 9112190A GB 9112190 D0 GB9112190 D0 GB 9112190D0
Authority
GB
United Kingdom
Prior art keywords
low speed
rotary encoder
speed measurements
absolute rotary
absolute
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
Application number
GB919112190A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Technology Partnership PLC
Original Assignee
Technology Partnership PLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Technology Partnership PLC filed Critical Technology Partnership PLC
Priority to GB919112190A priority Critical patent/GB9112190D0/en
Publication of GB9112190D0 publication Critical patent/GB9112190D0/en
Priority to PCT/DE1992/000461 priority patent/WO1992021938A1/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/486—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/36—Forming the light into pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
GB919112190A 1991-06-06 1991-06-06 Absolute rotary encoder for low speed measurements Pending GB9112190D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB919112190A GB9112190D0 (en) 1991-06-06 1991-06-06 Absolute rotary encoder for low speed measurements
PCT/DE1992/000461 WO1992021938A1 (en) 1991-06-06 1992-06-05 Process and sensor for determining movements of an object

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919112190A GB9112190D0 (en) 1991-06-06 1991-06-06 Absolute rotary encoder for low speed measurements

Publications (1)

Publication Number Publication Date
GB9112190D0 true GB9112190D0 (en) 1991-07-24

Family

ID=10696201

Family Applications (1)

Application Number Title Priority Date Filing Date
GB919112190A Pending GB9112190D0 (en) 1991-06-06 1991-06-06 Absolute rotary encoder for low speed measurements

Country Status (2)

Country Link
GB (1) GB9112190D0 (en)
WO (1) WO1992021938A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20120289A1 (en) * 2012-05-25 2013-11-26 Marposs Spa METHOD FOR ESTIMATING THE ROTATION SPEED OF A TOOL ASSEMBLED ON A ROTARY SPINDLE OF A TOOL MACHINE

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162399A (en) * 1977-09-16 1979-07-24 Bei Electronics, Inc. Optical encoder with fiber optics
ES492946A0 (en) * 1979-07-02 1980-12-16 Western Electric Co IMPROVEMENTS IN DISPLACEMENT TRANSDUCERS
WO1984001027A1 (en) * 1982-09-01 1984-03-15 Rosemount Eng Co Ltd Position measuring apparatus

Also Published As

Publication number Publication date
WO1992021938A1 (en) 1992-12-10

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