FR2479445A1 - Dispositif de mesure de deplacement a reseau et contre-reseau - Google Patents

Dispositif de mesure de deplacement a reseau et contre-reseau Download PDF

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Publication number
FR2479445A1
FR2479445A1 FR8006640A FR8006640A FR2479445A1 FR 2479445 A1 FR2479445 A1 FR 2479445A1 FR 8006640 A FR8006640 A FR 8006640A FR 8006640 A FR8006640 A FR 8006640A FR 2479445 A1 FR2479445 A1 FR 2479445A1
Authority
FR
France
Prior art keywords
network
prism
counter
carriage
gratings
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
FR8006640A
Other languages
English (en)
French (fr)
Other versions
FR2479445B1 (enExample
Inventor
Jean-Pierre
Emile Dagnot
Bernard Marie Joseph Fillol
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.)
SORO ELECTRO OPTICS
Original Assignee
SORO ELECTRO OPTICS
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 SORO ELECTRO OPTICS filed Critical SORO ELECTRO OPTICS
Priority to FR8006640A priority Critical patent/FR2479445A1/fr
Publication of FR2479445A1 publication Critical patent/FR2479445A1/fr
Application granted granted Critical
Publication of FR2479445B1 publication Critical patent/FR2479445B1/fr
Granted legal-status Critical Current

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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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)
FR8006640A 1980-03-25 1980-03-25 Dispositif de mesure de deplacement a reseau et contre-reseau Granted FR2479445A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8006640A FR2479445A1 (fr) 1980-03-25 1980-03-25 Dispositif de mesure de deplacement a reseau et contre-reseau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8006640A FR2479445A1 (fr) 1980-03-25 1980-03-25 Dispositif de mesure de deplacement a reseau et contre-reseau

Publications (2)

Publication Number Publication Date
FR2479445A1 true FR2479445A1 (fr) 1981-10-02
FR2479445B1 FR2479445B1 (enExample) 1984-01-27

Family

ID=9240089

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8006640A Granted FR2479445A1 (fr) 1980-03-25 1980-03-25 Dispositif de mesure de deplacement a reseau et contre-reseau

Country Status (1)

Country Link
FR (1) FR2479445A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002023131A1 (de) * 2000-09-14 2002-03-21 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3533703A (en) * 1966-06-23 1970-10-13 Itek Corp Linear motion encoder
US3599004A (en) * 1969-01-24 1971-08-10 Oerlikon Buehrle Ag Arrangement of photocells for the determination of the position of an equidistantly divided scale
FR2317633A1 (fr) * 1975-07-05 1977-02-04 Heidenhain Gmbh Dr Johannes Dispositif de mesure optique pour le positionnement ou la lecture de la position relative de deux objets
DE2750287A1 (de) * 1976-12-13 1978-06-15 Jenoptik Jena Gmbh Anordnung zur winkelmessung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3533703A (en) * 1966-06-23 1970-10-13 Itek Corp Linear motion encoder
US3599004A (en) * 1969-01-24 1971-08-10 Oerlikon Buehrle Ag Arrangement of photocells for the determination of the position of an equidistantly divided scale
FR2317633A1 (fr) * 1975-07-05 1977-02-04 Heidenhain Gmbh Dr Johannes Dispositif de mesure optique pour le positionnement ou la lecture de la position relative de deux objets
DE2750287A1 (de) * 1976-12-13 1978-06-15 Jenoptik Jena Gmbh Anordnung zur winkelmessung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002023131A1 (de) * 2000-09-14 2002-03-21 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung

Also Published As

Publication number Publication date
FR2479445B1 (enExample) 1984-01-27

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