GB0908235D0 - Optical encoder and method therefor - Google Patents

Optical encoder and method therefor

Info

Publication number
GB0908235D0
GB0908235D0 GBGB0908235.5A GB0908235A GB0908235D0 GB 0908235 D0 GB0908235 D0 GB 0908235D0 GB 0908235 A GB0908235 A GB 0908235A GB 0908235 D0 GB0908235 D0 GB 0908235D0
Authority
GB
United Kingdom
Prior art keywords
method therefor
optical encoder
encoder
optical
therefor
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.)
Granted
Application number
GBGB0908235.5A
Other versions
GB2457835A (en
GB2457835B (en
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.)
Avago Technologies International Sales Pte Ltd
Original Assignee
Avago Technologies ECBU IP Singapore Pte 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
Priority claimed from US11/226,681 external-priority patent/US7469839B2/en
Application filed by Avago Technologies ECBU IP Singapore Pte Ltd filed Critical Avago Technologies ECBU IP Singapore Pte Ltd
Publication of GB0908235D0 publication Critical patent/GB0908235D0/en
Publication of GB2457835A publication Critical patent/GB2457835A/en
Application granted granted Critical
Publication of GB2457835B publication Critical patent/GB2457835B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10712—Fixed beam scanning
    • G06K7/10722—Photodetector array or CCD scanning
    • 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
    • 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
    • G01D5/366—Particular pulse shapes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Transform (AREA)
GB0908235A 2005-09-14 2006-09-11 Optical encoder and method therefor Expired - Fee Related GB2457835B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/226,681 US7469839B2 (en) 2005-09-14 2005-09-14 Reflective optical encoder
GB0617913A GB2430250B (en) 2005-09-14 2006-09-11 Optical encoder and method therefor

Publications (3)

Publication Number Publication Date
GB0908235D0 true GB0908235D0 (en) 2009-06-24
GB2457835A GB2457835A (en) 2009-09-02
GB2457835B GB2457835B (en) 2010-02-03

Family

ID=40934172

Family Applications (3)

Application Number Title Priority Date Filing Date
GB0908235A Expired - Fee Related GB2457835B (en) 2005-09-14 2006-09-11 Optical encoder and method therefor
GB0908234A Expired - Fee Related GB2457834B (en) 2005-09-14 2006-09-11 Optical encoder and method therefor
GB0908233A Expired - Fee Related GB2457833B (en) 2005-09-14 2009-05-13 Optical encoder and method therefor

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB0908234A Expired - Fee Related GB2457834B (en) 2005-09-14 2006-09-11 Optical encoder and method therefor
GB0908233A Expired - Fee Related GB2457833B (en) 2005-09-14 2009-05-13 Optical encoder and method therefor

Country Status (1)

Country Link
GB (3) GB2457835B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5006703A (en) * 1988-02-22 1991-04-09 Victor Company Of Japan, Ltd. Reflective optical rotary encoder disc

Also Published As

Publication number Publication date
GB2457835A (en) 2009-09-02
GB0908234D0 (en) 2009-06-24
GB2457834A (en) 2009-09-02
GB0908233D0 (en) 2009-06-24
GB2457833A (en) 2009-09-02
GB2457833B (en) 2010-02-24
GB2457835B (en) 2010-02-03
GB2457834B (en) 2010-02-03

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20130725 AND 20130731

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20130911