FR1354422A - Improvements to transducer devices - Google Patents

Improvements to transducer devices

Info

Publication number
FR1354422A
FR1354422A FR930160A FR930160A FR1354422A FR 1354422 A FR1354422 A FR 1354422A FR 930160 A FR930160 A FR 930160A FR 930160 A FR930160 A FR 930160A FR 1354422 A FR1354422 A FR 1354422A
Authority
FR
France
Prior art keywords
transducer devices
transducer
devices
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
FR930160A
Other languages
French (fr)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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
Priority claimed from US184231A external-priority patent/US3214751A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR930160A priority Critical patent/FR1354422A/en
Application granted granted Critical
Publication of FR1354422A publication Critical patent/FR1354422A/en
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
    • G01D5/36—Forming the light into pulses
    • G01D5/38—Forming the light into pulses by diffraction gratings
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR930160A 1962-04-02 1963-04-02 Improvements to transducer devices Expired FR1354422A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR930160A FR1354422A (en) 1962-04-02 1963-04-02 Improvements to transducer devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US184231A US3214751A (en) 1962-04-02 1962-04-02 Digital transducer using ronchi rulings
FR930160A FR1354422A (en) 1962-04-02 1963-04-02 Improvements to transducer devices

Publications (1)

Publication Number Publication Date
FR1354422A true FR1354422A (en) 1964-03-06

Family

ID=26200592

Family Applications (1)

Application Number Title Priority Date Filing Date
FR930160A Expired FR1354422A (en) 1962-04-02 1963-04-02 Improvements to transducer devices

Country Status (1)

Country Link
FR (1) FR1354422A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007267A1 (en) * 1978-07-06 1980-01-23 DUCELLIER & Cie Optoelectronic sensor for longitudinal displacements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007267A1 (en) * 1978-07-06 1980-01-23 DUCELLIER & Cie Optoelectronic sensor for longitudinal displacements

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