FR2176222A5 - - Google Patents

Info

Publication number
FR2176222A5
FR2176222A5 FR7208939A FR7208939A FR2176222A5 FR 2176222 A5 FR2176222 A5 FR 2176222A5 FR 7208939 A FR7208939 A FR 7208939A FR 7208939 A FR7208939 A FR 7208939A FR 2176222 A5 FR2176222 A5 FR 2176222A5
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
FR7208939A
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.)
SKF D'applications Mecaniques Cie
Original Assignee
SKF D'applications Mecaniques Cie
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 SKF D'applications Mecaniques Cie filed Critical SKF D'applications Mecaniques Cie
Priority to FR7208939A priority Critical patent/FR2176222A5/fr
Application granted granted Critical
Publication of FR2176222A5 publication Critical patent/FR2176222A5/fr
Application status is Expired legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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 infra-red, visible, or ultra-violet light
    • G01D5/32Mechanical 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 infra-red, visible, or ultra-violet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34Mechanical 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 infra-red, visible, or ultra-violet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347Mechanical 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 infra-red, visible, or ultra-violet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/34776Absolute encoders with analogue or digital scales
    • G01D5/34792Absolute encoders with analogue or digital scales with only digital scales or both digital and incremental scales
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00Measuring arrangements involving comparison with a reference value, e.g. bridge
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12Analogue/digital converters
    • H03M1/124Sampling or signal conditioning arrangements specially adapted for A/D converters
FR7208939A 1972-03-15 1972-03-15 Expired FR2176222A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7208939A FR2176222A5 (en) 1972-03-15 1972-03-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7208939A FR2176222A5 (en) 1972-03-15 1972-03-15

Publications (1)

Publication Number Publication Date
FR2176222A5 true FR2176222A5 (en) 1973-10-26

Family

ID=9095212

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7208939A Expired FR2176222A5 (en) 1972-03-15 1972-03-15

Country Status (1)

Country Link
FR (1) FR2176222A5 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0213368A2 (en) * 1985-09-03 1987-03-11 Kabushiki Kaisha Toshiba Displacement detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0213368A2 (en) * 1985-09-03 1987-03-11 Kabushiki Kaisha Toshiba Displacement detector
EP0213368A3 (en) * 1985-09-03 1990-05-02 Kabushiki Kaisha Toshiba Displacement detecter

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Legal Events

Date Code Title Description
ST Notification of lapse