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GB2201508B - Optical encoder - Google Patents

Optical encoder

Info

Publication number
GB2201508B
GB2201508B GB8405287A GB8405287A GB2201508B GB 2201508 B GB2201508 B GB 2201508B GB 8405287 A GB8405287 A GB 8405287A GB 8405287 A GB8405287 A GB 8405287A GB 2201508 B GB2201508 B GB 2201508B
Authority
GB
United Kingdom
Prior art keywords
optical encoder
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.)
Expired
Application number
GB8405287A
Other versions
GB2201508A (en
GB8405287D0 (en
Inventor
Graham Leonard Adams
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.)
STC PLC
Original Assignee
STC 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 STC PLC filed Critical STC PLC
Priority to GB8405287A priority Critical patent/GB2201508B/en
Publication of GB8405287D0 publication Critical patent/GB8405287D0/en
Publication of GB2201508A publication Critical patent/GB2201508A/en
Application granted granted Critical
Publication of GB2201508B publication Critical patent/GB2201508B/en
Expired 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
GB8405287A 1984-02-29 1984-02-29 Optical encoder Expired GB2201508B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8405287A GB2201508B (en) 1984-02-29 1984-02-29 Optical encoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8405287A GB2201508B (en) 1984-02-29 1984-02-29 Optical encoder

Publications (3)

Publication Number Publication Date
GB8405287D0 GB8405287D0 (en) 1988-06-29
GB2201508A GB2201508A (en) 1988-09-01
GB2201508B true GB2201508B (en) 1989-03-15

Family

ID=10557361

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8405287A Expired GB2201508B (en) 1984-02-29 1984-02-29 Optical encoder

Country Status (1)

Country Link
GB (1) GB2201508B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106908090A (en) 2013-06-06 2017-06-30 泰科电子(上海)有限公司 Optical sensor, optical sensor components and monitoring device

Also Published As

Publication number Publication date
GB2201508A (en) 1988-09-01
GB8405287D0 (en) 1988-06-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee