FR2493509B1 - - Google Patents

Info

Publication number
FR2493509B1
FR2493509B1 FR8023237A FR8023237A FR2493509B1 FR 2493509 B1 FR2493509 B1 FR 2493509B1 FR 8023237 A FR8023237 A FR 8023237A FR 8023237 A FR8023237 A FR 8023237A FR 2493509 B1 FR2493509 B1 FR 2493509B1
Authority
FR
France
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
FR8023237A
Other languages
French (fr)
Other versions
FR2493509A1 (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.)
SCHILER FREDERICK
Original Assignee
SCHILER FREDERICK
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 SCHILER FREDERICK filed Critical SCHILER FREDERICK
Priority to FR8023237A priority Critical patent/FR2493509A1/fr
Publication of FR2493509A1 publication Critical patent/FR2493509A1/fr
Application granted granted Critical
Publication of FR2493509B1 publication Critical patent/FR2493509B1/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
    • 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
    • G01D5/12—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 using electric or magnetic means
    • G01D5/14—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 using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—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 using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FR8023237A 1980-10-30 1980-10-30 Procede et appareil de mesure d'un mouvement Granted FR2493509A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8023237A FR2493509A1 (fr) 1980-10-30 1980-10-30 Procede et appareil de mesure d'un mouvement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8023237A FR2493509A1 (fr) 1980-10-30 1980-10-30 Procede et appareil de mesure d'un mouvement

Publications (2)

Publication Number Publication Date
FR2493509A1 FR2493509A1 (fr) 1982-05-07
FR2493509B1 true FR2493509B1 (enExample) 1985-05-24

Family

ID=9247504

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8023237A Granted FR2493509A1 (fr) 1980-10-30 1980-10-30 Procede et appareil de mesure d'un mouvement

Country Status (1)

Country Link
FR (1) FR2493509A1 (enExample)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE547895A (enExample) * 1955-05-18 1900-01-01
US2994051A (en) * 1956-07-18 1961-07-25 Emi Ltd Displacement measuring devices
GB886347A (en) * 1958-11-10 1962-01-03 Dehavilland Aircraft Improvements in measuring apparatus
GB937468A (en) * 1960-07-01 1963-09-18 Kollsman Instr Corp Optical pick off for pressure transducer
FR1282212A (fr) * 1960-12-14 1962-01-19 Inductosyn Corp Transducteurs multiples de précision

Also Published As

Publication number Publication date
FR2493509A1 (fr) 1982-05-07

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Legal Events

Date Code Title Description
ST Notification of lapse