FR2412822A1 - Procede et dispositif de mesure du deplacement d'un objet - Google Patents

Procede et dispositif de mesure du deplacement d'un objet

Info

Publication number
FR2412822A1
FR2412822A1 FR7737103A FR7737103A FR2412822A1 FR 2412822 A1 FR2412822 A1 FR 2412822A1 FR 7737103 A FR7737103 A FR 7737103A FR 7737103 A FR7737103 A FR 7737103A FR 2412822 A1 FR2412822 A1 FR 2412822A1
Authority
FR
France
Prior art keywords
optical system
interpolation
measuring instruments
image
moire fringes
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
FR7737103A
Other languages
English (en)
Other versions
FR2412822B1 (fr
Inventor
Jacques Simon
Joel Corno
Michel Lamare
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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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 Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Priority to FR7737103A priority Critical patent/FR2412822A1/fr
Priority to DE19782852782 priority patent/DE2852782A1/de
Publication of FR2412822A1 publication Critical patent/FR2412822A1/fr
Application granted granted Critical
Publication of FR2412822B1 publication Critical patent/FR2412822B1/fr
Granted 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
    • G01D5/36—Forming the light into pulses
    • G01D5/38—Forming the light into pulses by diffraction gratings

Abstract

L'INVENTION CONCERNE UN PROCEDE ET UN DISPOSITIF POUR LA MESURE DU DEPLACEMENT D'UN OBJET. CE DISPOSITIF COMPREND UNE SOURCE LUMINEUSE 1 ASSOCIEE A UN PREMIER CONDENSEUR 2, UNE PREMIERE ET UNE SECONDE STRUCTURE PERIODIQUE DIVISEES 3, 7 ENTRE LESQUELLES SONT DISPOSES UN PREMIER ET UN SECOND OBJECTIF 4, 6 PERMETTANT DE FORMER SUR LADITE SECONDE STRUCTURE DIVISEE 7 L'IMAGE DE LA PREMIERE STRUCTURE DIVISEE 3, LA PREMIERE STRUCTURE DIVISEE ETANT SOLIDAIRE DE L'OBJET O, UN SECOND CONDENSEUR 8 ET UN SYSTEME RECEPTEUR 9, LEDIT DISPOSITIF COMPRENANT EN OUTRE, ENTRE LE PREMIER ET LE SECOND OBJECTIF, UNE PUPILLE 5 MUNIE D'AU MOINS DEUX OUVERTURES, DE MANIERE A FORMER SUR LEDIT SYSTEME RECEPTEUR 9 L'IMAGE DES OUVERTURES DE LA PUPILLE, LE SIGNAL DELIVRE DE MANIERE CONNUE EN SOI PAR LE RECEPTEUR PERMETTANT DE MESURER LE DEPLACEMENT DE L'OBJET O. APPLICATION POUR LES MESURES DE DEPLACEMENT EN ROTATION ET TRANSLATION.
FR7737103A 1977-12-08 1977-12-08 Procede et dispositif de mesure du deplacement d'un objet Granted FR2412822A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7737103A FR2412822A1 (fr) 1977-12-08 1977-12-08 Procede et dispositif de mesure du deplacement d'un objet
DE19782852782 DE2852782A1 (de) 1977-12-08 1978-12-06 Verfahren und vorrichtung zur messung der ortsveraenderung eines objektes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7737103A FR2412822A1 (fr) 1977-12-08 1977-12-08 Procede et dispositif de mesure du deplacement d'un objet

Publications (2)

Publication Number Publication Date
FR2412822A1 true FR2412822A1 (fr) 1979-07-20
FR2412822B1 FR2412822B1 (fr) 1982-11-05

Family

ID=9198647

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7737103A Granted FR2412822A1 (fr) 1977-12-08 1977-12-08 Procede et dispositif de mesure du deplacement d'un objet

Country Status (2)

Country Link
DE (1) DE2852782A1 (fr)
FR (1) FR2412822A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0262349A2 (fr) * 1986-10-02 1988-04-06 Dr. Johannes Heidenhain GmbH Dispositif photoélectrique pour la mesure d'angles
US5075562A (en) * 1990-09-20 1991-12-24 Eastman Kodak Company Method and apparatus for absolute Moire distance measurements using a grating printed on or attached to a surface
US5075560A (en) * 1990-09-20 1991-12-24 Eastman Kodak Company Moire distance measurements using a grating printed on or attached to a surface

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0262349A2 (fr) * 1986-10-02 1988-04-06 Dr. Johannes Heidenhain GmbH Dispositif photoélectrique pour la mesure d'angles
EP0262349A3 (en) * 1986-10-02 1989-06-21 Dr. Johannes Heidenhain Gmbh Photoelectric angle measuring device
US5075562A (en) * 1990-09-20 1991-12-24 Eastman Kodak Company Method and apparatus for absolute Moire distance measurements using a grating printed on or attached to a surface
US5075560A (en) * 1990-09-20 1991-12-24 Eastman Kodak Company Moire distance measurements using a grating printed on or attached to a surface

Also Published As

Publication number Publication date
FR2412822B1 (fr) 1982-11-05
DE2852782A1 (de) 1979-11-08

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Legal Events

Date Code Title Description
ST Notification of lapse