FR2553878B1 - Systeme optique de reperage de position - Google Patents

Systeme optique de reperage de position

Info

Publication number
FR2553878B1
FR2553878B1 FR8316949A FR8316949A FR2553878B1 FR 2553878 B1 FR2553878 B1 FR 2553878B1 FR 8316949 A FR8316949 A FR 8316949A FR 8316949 A FR8316949 A FR 8316949A FR 2553878 B1 FR2553878 B1 FR 2553878B1
Authority
FR
France
Prior art keywords
optical position
marking system
position marking
optical
marking
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
FR8316949A
Other languages
English (en)
Other versions
FR2553878A1 (fr
Inventor
Michel Benoit Sirieix
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.)
Societe Anonyme de Telecommunications SAT
Original Assignee
Societe Anonyme de Telecommunications SAT
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 Societe Anonyme de Telecommunications SAT filed Critical Societe Anonyme de Telecommunications SAT
Priority to FR8316949A priority Critical patent/FR2553878B1/fr
Publication of FR2553878A1 publication Critical patent/FR2553878A1/fr
Application granted granted Critical
Publication of FR2553878B1 publication Critical patent/FR2553878B1/fr
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
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715—Scale reading or illumination devices
    • G01D5/34723—Scale reading or illumination devices involving light-guides
    • 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
    • G01D5/268—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 using optical fibres

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
FR8316949A 1983-10-25 1983-10-25 Systeme optique de reperage de position Expired FR2553878B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8316949A FR2553878B1 (fr) 1983-10-25 1983-10-25 Systeme optique de reperage de position

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8316949A FR2553878B1 (fr) 1983-10-25 1983-10-25 Systeme optique de reperage de position

Publications (2)

Publication Number Publication Date
FR2553878A1 FR2553878A1 (fr) 1985-04-26
FR2553878B1 true FR2553878B1 (fr) 1987-04-17

Family

ID=9293472

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8316949A Expired FR2553878B1 (fr) 1983-10-25 1983-10-25 Systeme optique de reperage de position

Country Status (1)

Country Link
FR (1) FR2553878B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6215186A (en) * 1985-09-06 1987-03-12 University Of Liverpool, The Displacement measurement
FR2595820B1 (fr) * 1986-03-13 1990-01-05 Bertin & Cie Dispositif a fibres optiques pour la detection a distance d'une grandeur physique, en particulier de la temperature

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4117460A (en) * 1976-11-01 1978-09-26 United Technologies Corporation Sensing device
GB2054995B (en) * 1979-07-14 1983-06-29 Marconi Co Ltd Optical position encoder arrangement
EP0034107A1 (fr) * 1980-02-11 1981-08-19 United Technologies Corporation Codeur optique à multiplex temporel

Also Published As

Publication number Publication date
FR2553878A1 (fr) 1985-04-26

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Legal Events

Date Code Title Description
ST Notification of lapse