FR2214389A5 - - Google Patents

Info

Publication number
FR2214389A5
FR2214389A5 FR7301582A FR7301582A FR2214389A5 FR 2214389 A5 FR2214389 A5 FR 2214389A5 FR 7301582 A FR7301582 A FR 7301582A FR 7301582 A FR7301582 A FR 7301582A FR 2214389 A5 FR2214389 A5 FR 2214389A5
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
FR7301582A
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.)
SODERN SA
Original Assignee
SODERN 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
Application filed by SODERN SA filed Critical SODERN SA
Priority to FR7301582A priority Critical patent/FR2214389A5/fr
Application granted granted Critical
Publication of FR2214389A5 publication Critical patent/FR2214389A5/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • 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
    • G01D5/34776—Absolute encoders with analogue or digital scales
    • G01D5/34784—Absolute encoders with analogue or digital scales with only analogue scales or both analogue and incremental scales
    • 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)
FR7301582A 1973-01-17 1973-01-17 Expired FR2214389A5 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7301582A FR2214389A5 (de) 1973-01-17 1973-01-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7301582A FR2214389A5 (de) 1973-01-17 1973-01-17

Publications (1)

Publication Number Publication Date
FR2214389A5 true FR2214389A5 (de) 1974-08-09

Family

ID=9113428

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7301582A Expired FR2214389A5 (de) 1973-01-17 1973-01-17

Country Status (1)

Country Link
FR (1) FR2214389A5 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2451034A1 (fr) * 1979-03-05 1980-10-03 Marconi Co Ltd Dispositif de controle de vitesse
EP0042178A2 (de) * 1980-06-17 1981-12-23 Tokyo Kogaku Kikai Kabushiki Kaisha Absolutcodierer
WO1992004600A1 (en) * 1990-08-31 1992-03-19 The Boeing Company Multitrack multilevel sensing system with error detecting
EP0575843A1 (de) * 1992-06-23 1993-12-29 MAX STEGMANN Gmbh ANTRIEBSTECHNIK - ELEKTRONIK Drehwinkelmesssystem
WO2003087729A2 (en) * 2002-04-08 2003-10-23 Cliffgroup Limited Optical controls

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2451034A1 (fr) * 1979-03-05 1980-10-03 Marconi Co Ltd Dispositif de controle de vitesse
EP0042178A2 (de) * 1980-06-17 1981-12-23 Tokyo Kogaku Kikai Kabushiki Kaisha Absolutcodierer
EP0042178A3 (en) * 1980-06-17 1983-06-29 Tokyo Kogaku Kikai Kabushiki Kaisha Absolute encoder
WO1992004600A1 (en) * 1990-08-31 1992-03-19 The Boeing Company Multitrack multilevel sensing system with error detecting
EP0575843A1 (de) * 1992-06-23 1993-12-29 MAX STEGMANN Gmbh ANTRIEBSTECHNIK - ELEKTRONIK Drehwinkelmesssystem
WO2003087729A2 (en) * 2002-04-08 2003-10-23 Cliffgroup Limited Optical controls
WO2003087729A3 (en) * 2002-04-08 2004-02-19 Cliff Plastic Products Ltd Optical controls

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Legal Events

Date Code Title Description
ST Notification of lapse