GB9205575D0 - Position encoder - Google Patents

Position encoder

Info

Publication number
GB9205575D0
GB9205575D0 GB929205575A GB9205575A GB9205575D0 GB 9205575 D0 GB9205575 D0 GB 9205575D0 GB 929205575 A GB929205575 A GB 929205575A GB 9205575 A GB9205575 A GB 9205575A GB 9205575 D0 GB9205575 D0 GB 9205575D0
Authority
GB
United Kingdom
Prior art keywords
position encoder
encoder
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
GB929205575A
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Priority to GB929205575A priority Critical patent/GB9205575D0/en
Publication of GB9205575D0 publication Critical patent/GB9205575D0/en
Priority to EP93301527A priority patent/EP0560520A1/en
Priority to JP5050758A priority patent/JPH0642980A/en
Pending 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
    • G01D5/34776—Absolute encoders with analogue or digital scales
    • G01D5/34792—Absolute encoders with analogue or digital scales with only digital scales or both digital and incremental scales
    • G01D5/34794—Optical encoders using the Vernier principle, i.e. incorporating two or more tracks having a (n, n+1, ...) relationship

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
GB929205575A 1992-03-13 1992-03-13 Position encoder Pending GB9205575D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB929205575A GB9205575D0 (en) 1992-03-13 1992-03-13 Position encoder
EP93301527A EP0560520A1 (en) 1992-03-13 1993-03-01 Optical position encoder
JP5050758A JPH0642980A (en) 1992-03-13 1993-03-11 Optical position encoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929205575A GB9205575D0 (en) 1992-03-13 1992-03-13 Position encoder

Publications (1)

Publication Number Publication Date
GB9205575D0 true GB9205575D0 (en) 1992-04-29

Family

ID=10712122

Family Applications (1)

Application Number Title Priority Date Filing Date
GB929205575A Pending GB9205575D0 (en) 1992-03-13 1992-03-13 Position encoder

Country Status (3)

Country Link
EP (1) EP0560520A1 (en)
JP (1) JPH0642980A (en)
GB (1) GB9205575D0 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19537831A1 (en) * 1995-10-11 1997-04-17 Abb Patent Gmbh Device for monitoring and displaying the position of a movable contact piece of a medium voltage or high voltage switch
FR2757628B1 (en) * 1996-12-20 1999-02-26 Eaton Controls METHOD AND DEVICE FOR DIGITAL MEASUREMENT OF ANGULAR POSITIONS
US6229081B1 (en) * 1998-09-18 2001-05-08 Yamaha Corporation Keyboard musical instrument, position sensing device and light-emitting controller both incorporated therein
US20050094159A1 (en) * 2003-10-29 2005-05-05 Wen-Wei Su Angle detecting sensor and vehicular controlling system using the same
EP1593935A1 (en) * 2004-05-06 2005-11-09 Leica Geosystems AG Levelling rod, level determining apparatus for said rod and level determining method
US7348545B2 (en) * 2005-06-17 2008-03-25 Avago Technologies Ecbu Ip Pte Ltd System and method for optical encoding on two opposed surfaces of a pattern medium
DE102007035569A1 (en) * 2007-07-26 2009-01-29 Jenaer Antriebstechnik Gmbh Patient position determining and/or adjusting arrangement for use in therapy and/or diagnosis equipment i.e. magnetic resonance tomography, has position measuring system including optical detection tag and optical scanner
KR102441844B1 (en) * 2015-02-04 2022-09-08 삼성전자주식회사 Method for controlling a rotating apparatus and electronic device thereof
JP7058983B2 (en) 2017-11-20 2022-04-25 富士通コンポーネント株式会社 Length measuring instrument, code and code conversion method
JP7118748B2 (en) 2018-06-01 2022-08-16 富士通コンポーネント株式会社 Meters and optical readers
CN110304115B (en) * 2019-07-30 2024-02-20 东莞开道科技有限公司 Mobile positioning device and method based on color coding and rail transit system
DE102022209227A1 (en) 2022-09-06 2024-03-07 Siemens Healthcare Gmbh Positioning system, medical imaging system, method for positioning and reference arrangement
CN117387713A (en) * 2023-12-08 2024-01-12 济南瑞泉电子有限公司 Metering instrument angular position coding structure, data acquisition device, metering instrument and metering instrument method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2054995B (en) * 1979-07-14 1983-06-29 Marconi Co Ltd Optical position encoder arrangement
US4633224A (en) * 1985-05-06 1986-12-30 Caterpillar Inc. Absolute and incremental optical encoder
GB8519384D0 (en) * 1985-08-01 1985-09-04 Lucas Ind Plc Position encoder

Also Published As

Publication number Publication date
JPH0642980A (en) 1994-02-18
EP0560520A1 (en) 1993-09-15

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