FR2351389A1 - Appareil de mesure de deplacements a reseaux optiques - Google Patents

Appareil de mesure de deplacements a reseaux optiques

Info

Publication number
FR2351389A1
FR2351389A1 FR7613987A FR7613987A FR2351389A1 FR 2351389 A1 FR2351389 A1 FR 2351389A1 FR 7613987 A FR7613987 A FR 7613987A FR 7613987 A FR7613987 A FR 7613987A FR 2351389 A1 FR2351389 A1 FR 2351389A1
Authority
FR
France
Prior art keywords
multiplexed
light source
square wave
displacement measurement
plate moving
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
FR7613987A
Other languages
English (en)
French (fr)
Other versions
FR2351389B1 (https=
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7613987A priority Critical patent/FR2351389A1/fr
Publication of FR2351389A1 publication Critical patent/FR2351389A1/fr
Application granted granted Critical
Publication of FR2351389B1 publication Critical patent/FR2351389B1/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
    • G01D5/363—Direction discrimination

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
FR7613987A 1976-05-10 1976-05-10 Appareil de mesure de deplacements a reseaux optiques Granted FR2351389A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7613987A FR2351389A1 (fr) 1976-05-10 1976-05-10 Appareil de mesure de deplacements a reseaux optiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7613987A FR2351389A1 (fr) 1976-05-10 1976-05-10 Appareil de mesure de deplacements a reseaux optiques

Publications (2)

Publication Number Publication Date
FR2351389A1 true FR2351389A1 (fr) 1977-12-09
FR2351389B1 FR2351389B1 (https=) 1979-10-05

Family

ID=9172915

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7613987A Granted FR2351389A1 (fr) 1976-05-10 1976-05-10 Appareil de mesure de deplacements a reseaux optiques

Country Status (1)

Country Link
FR (1) FR2351389A1 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2431459A1 (fr) * 1978-07-22 1980-02-15 Heidenhain Gmbh Dr Johannes Dispositif de mesure numerique destine a determiner les dimensions interieures et exterieures de pieces
US5332895A (en) * 1992-02-20 1994-07-26 Rsf-Elektronik Gesellschaft M.B.H. Angle encoder with incremental and absolute tracks
AT401820B (de) * 1991-11-22 1996-12-27 Rsf Elektronik Gmbh Längen- oder winkelmesssystem

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2431459A1 (fr) * 1978-07-22 1980-02-15 Heidenhain Gmbh Dr Johannes Dispositif de mesure numerique destine a determiner les dimensions interieures et exterieures de pieces
AT401820B (de) * 1991-11-22 1996-12-27 Rsf Elektronik Gmbh Längen- oder winkelmesssystem
US5332895A (en) * 1992-02-20 1994-07-26 Rsf-Elektronik Gesellschaft M.B.H. Angle encoder with incremental and absolute tracks
AT404300B (de) * 1992-02-20 1998-10-27 Rsf Elektronik Gmbh Drehgeber

Also Published As

Publication number Publication date
FR2351389B1 (https=) 1979-10-05

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Legal Events

Date Code Title Description
ST Notification of lapse