FR2151296A5 - - Google Patents

Info

Publication number
FR2151296A5
FR2151296A5 FR7229564A FR7229564A FR2151296A5 FR 2151296 A5 FR2151296 A5 FR 2151296A5 FR 7229564 A FR7229564 A FR 7229564A FR 7229564 A FR7229564 A FR 7229564A FR 2151296 A5 FR2151296 A5 FR 2151296A5
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
FR7229564A
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.)
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Switzerland
Original Assignee
BBC BROWN BOVERI and CIE
Brown Boveri und Cie AG Switzerland
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 BBC BROWN BOVERI and CIE, Brown Boveri und Cie AG Switzerland filed Critical BBC BROWN BOVERI and CIE
Application granted granted Critical
Publication of FR2151296A5 publication Critical patent/FR2151296A5/fr
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
    • G01D5/344—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 polarisation
    • G01D5/345—Polarising encoders

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Gyroscopes (AREA)
FR7229564A 1971-08-20 1972-08-18 Expired FR2151296A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1225871A CH535421A (de) 1971-08-20 1971-08-20 Einrichtung zum Messen der Winkelstellung eines rotierenden Körpers

Publications (1)

Publication Number Publication Date
FR2151296A5 true FR2151296A5 (fr) 1973-04-13

Family

ID=4381350

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7229564A Expired FR2151296A5 (fr) 1971-08-20 1972-08-18

Country Status (4)

Country Link
CH (1) CH535421A (fr)
DE (1) DE2144835C3 (fr)
FR (1) FR2151296A5 (fr)
IT (1) IT963577B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2944162C2 (de) 1979-11-02 1984-10-18 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Lichtelektrische digitale Meßeinrichtung
DE2944363C2 (de) 1979-11-02 1984-10-18 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Lichtelektrische digitale Meßeinrichtung
FR2728340B1 (fr) * 1994-12-20 1997-01-24 Thomson Csf Dispositif de mesure de position angulaire d'une partie mobile, notamment d'une antenne, par rapport a une autre partie mecanique

Also Published As

Publication number Publication date
IT963577B (it) 1974-01-21
DE2144835B2 (de) 1974-02-28
CH535421A (de) 1973-03-31
DE2144835C3 (de) 1974-09-26
DE2144835A1 (de) 1973-05-10

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Legal Events

Date Code Title Description
ST Notification of lapse