FR2926633B1 - Capteur optique - Google Patents

Capteur optique

Info

Publication number
FR2926633B1
FR2926633B1 FR0800271A FR0800271A FR2926633B1 FR 2926633 B1 FR2926633 B1 FR 2926633B1 FR 0800271 A FR0800271 A FR 0800271A FR 0800271 A FR0800271 A FR 0800271A FR 2926633 B1 FR2926633 B1 FR 2926633B1
Authority
FR
France
Prior art keywords
optical sensor
optical
sensor
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 - Fee Related
Application number
FR0800271A
Other languages
English (en)
Other versions
FR2926633A1 (fr
Inventor
Vincent List
Henanff Cyril Le
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.)
Crouzet Automatismes SAS
Original Assignee
Crouzet Automatismes SAS
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 Crouzet Automatismes SAS filed Critical Crouzet Automatismes SAS
Priority to FR0800271A priority Critical patent/FR2926633B1/fr
Publication of FR2926633A1 publication Critical patent/FR2926633A1/fr
Application granted granted Critical
Publication of FR2926633B1 publication Critical patent/FR2926633B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
    • G01D2205/70—Position sensors comprising a moving target with particular shapes, e.g. of soft magnetic targets
    • G01D2205/73—Targets mounted eccentrically with respect to the axis of rotation
    • 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
    • G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
    • G01D2205/70—Position sensors comprising a moving target with particular shapes, e.g. of soft magnetic targets
    • G01D2205/77—Specific profiles
    • G01D2205/777—Whorl-shaped profiles

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
FR0800271A 2008-01-18 2008-01-18 Capteur optique Expired - Fee Related FR2926633B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0800271A FR2926633B1 (fr) 2008-01-18 2008-01-18 Capteur optique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0800271A FR2926633B1 (fr) 2008-01-18 2008-01-18 Capteur optique

Publications (2)

Publication Number Publication Date
FR2926633A1 FR2926633A1 (fr) 2009-07-24
FR2926633B1 true FR2926633B1 (fr) 2010-12-24

Family

ID=39711932

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0800271A Expired - Fee Related FR2926633B1 (fr) 2008-01-18 2008-01-18 Capteur optique

Country Status (1)

Country Link
FR (1) FR2926633B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5951307A (ja) * 1982-09-17 1984-03-24 Ono Sokki Co Ltd ロ−タリエンコ−ダ
US4587513A (en) * 1984-06-25 1986-05-06 Energy Innovations, Inc. Noncontact shaft angle detector
EP0531947B1 (fr) * 1991-09-09 1997-01-02 Kabushiki Kaisha Tokai Rika Denki Seisakusho Appareil détecteur de position
AU3546800A (en) * 1999-03-31 2000-10-23 Danny Grant Differential displacement optical sensor - ii
US7078677B2 (en) * 2004-01-21 2006-07-18 Chee Keong Chong Optical encoder disk having a region that continuously increases in size

Also Published As

Publication number Publication date
FR2926633A1 (fr) 2009-07-24

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Legal Events

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Year of fee payment: 9

ST Notification of lapse

Effective date: 20170929