FR2688877B1 - OPTICAL APPARATUS FOR MEASURING MICRODEPLACEMENTS IN ITS PLAN OF AN OBJECT PERPENDICULARLY TO AN OPTICAL AXIS OF VIEW. - Google Patents

OPTICAL APPARATUS FOR MEASURING MICRODEPLACEMENTS IN ITS PLAN OF AN OBJECT PERPENDICULARLY TO AN OPTICAL AXIS OF VIEW.

Info

Publication number
FR2688877B1
FR2688877B1 FR9203169A FR9203169A FR2688877B1 FR 2688877 B1 FR2688877 B1 FR 2688877B1 FR 9203169 A FR9203169 A FR 9203169A FR 9203169 A FR9203169 A FR 9203169A FR 2688877 B1 FR2688877 B1 FR 2688877B1
Authority
FR
France
Prior art keywords
microdeplacements
plan
measuring
view
optical axis
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
FR9203169A
Other languages
French (fr)
Other versions
FR2688877A1 (en
Inventor
Aomar Oulamara
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.)
Automobiles Peugeot SA
Automobiles Citroen SA
Original Assignee
Automobiles Peugeot SA
Automobiles Citroen SA
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 Automobiles Peugeot SA, Automobiles Citroen SA filed Critical Automobiles Peugeot SA
Priority to FR9203169A priority Critical patent/FR2688877B1/en
Publication of FR2688877A1 publication Critical patent/FR2688877A1/en
Application granted granted Critical
Publication of FR2688877B1 publication Critical patent/FR2688877B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01D5/342—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 the sensed object being the obturating part
FR9203169A 1992-03-17 1992-03-17 OPTICAL APPARATUS FOR MEASURING MICRODEPLACEMENTS IN ITS PLAN OF AN OBJECT PERPENDICULARLY TO AN OPTICAL AXIS OF VIEW. Expired - Fee Related FR2688877B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9203169A FR2688877B1 (en) 1992-03-17 1992-03-17 OPTICAL APPARATUS FOR MEASURING MICRODEPLACEMENTS IN ITS PLAN OF AN OBJECT PERPENDICULARLY TO AN OPTICAL AXIS OF VIEW.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9203169A FR2688877B1 (en) 1992-03-17 1992-03-17 OPTICAL APPARATUS FOR MEASURING MICRODEPLACEMENTS IN ITS PLAN OF AN OBJECT PERPENDICULARLY TO AN OPTICAL AXIS OF VIEW.

Publications (2)

Publication Number Publication Date
FR2688877A1 FR2688877A1 (en) 1993-09-24
FR2688877B1 true FR2688877B1 (en) 1996-09-06

Family

ID=9427760

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9203169A Expired - Fee Related FR2688877B1 (en) 1992-03-17 1992-03-17 OPTICAL APPARATUS FOR MEASURING MICRODEPLACEMENTS IN ITS PLAN OF AN OBJECT PERPENDICULARLY TO AN OPTICAL AXIS OF VIEW.

Country Status (1)

Country Link
FR (1) FR2688877B1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1562704A1 (en) * 1988-07-20 1990-05-07 Институт проблем материаловедения АН УССР Apparatus for measuring displacements of diffusely reflecting surface of object
US5089712A (en) * 1989-06-08 1992-02-18 Hewlett-Packard Company Sheet advancement control system detecting fiber pattern of sheet

Also Published As

Publication number Publication date
FR2688877A1 (en) 1993-09-24

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Legal Events

Date Code Title Description
ST Notification of lapse