AU7826800A - Incremental optical encoder - Google Patents

Incremental optical encoder

Info

Publication number
AU7826800A
AU7826800A AU78268/00A AU7826800A AU7826800A AU 7826800 A AU7826800 A AU 7826800A AU 78268/00 A AU78268/00 A AU 78268/00A AU 7826800 A AU7826800 A AU 7826800A AU 7826800 A AU7826800 A AU 7826800A
Authority
AU
Australia
Prior art keywords
optical encoder
incremental optical
incremental
encoder
optical
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.)
Abandoned
Application number
AU78268/00A
Inventor
Donald E. Barnett Jr.
Allan Leung
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.)
American Precision Industries Inc
Original Assignee
American Precision Industries Inc
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 American Precision Industries Inc filed Critical American Precision Industries Inc
Publication of AU7826800A publication Critical patent/AU7826800A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • G01D5/347—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 using displacement encoding scales
    • G01D5/3473—Circular or rotary encoders

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
AU78268/00A 1999-09-03 2000-09-05 Incremental optical encoder Abandoned AU7826800A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15227499P 1999-09-03 1999-09-03
US60152274 1999-09-03
PCT/US2000/024368 WO2001018492A1 (en) 1999-09-03 2000-09-05 Incremental optical encoder

Publications (1)

Publication Number Publication Date
AU7826800A true AU7826800A (en) 2001-04-10

Family

ID=22542220

Family Applications (1)

Application Number Title Priority Date Filing Date
AU78268/00A Abandoned AU7826800A (en) 1999-09-03 2000-09-05 Incremental optical encoder

Country Status (2)

Country Link
AU (1) AU7826800A (en)
WO (1) WO2001018492A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0107605D0 (en) 2001-03-27 2001-05-16 Trw Lucas Varity Electric An improved displacement and torque sensor
DE10323921A1 (en) * 2003-05-22 2004-12-16 Carl Zeiss Jena Gmbh Adjustable pinhole, especially for a laser scanning microscope
CN102506766A (en) * 2011-10-25 2012-06-20 四川九洲电器集团有限责任公司 High-precision photoelectric-angular encoder
CN105181991A (en) * 2015-09-30 2015-12-23 成都川睿科技有限公司 Engine speed measurement system
CN111238407B (en) * 2020-01-30 2020-12-01 华东交通大学 Sensor system for measuring angle of contact net isolating switch knife

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4338517A (en) * 1979-01-15 1982-07-06 Perrine Warren L Shaft rotation sensor
US4899048A (en) * 1987-04-27 1990-02-06 Printware, Inc. Focused optical beam encoder of position
DE69520511T2 (en) * 1994-08-25 2001-08-23 Trw Lucas Varity Electric Steering Ltd., Solihull Capteur de deplacement et capteur de couple

Also Published As

Publication number Publication date
WO2001018492A9 (en) 2002-11-21
WO2001018492A1 (en) 2001-03-15

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase