SE336473B - - Google Patents

Info

Publication number
SE336473B
SE336473B SE16549/66A SE1654966A SE336473B SE 336473 B SE336473 B SE 336473B SE 16549/66 A SE16549/66 A SE 16549/66A SE 1654966 A SE1654966 A SE 1654966A SE 336473 B SE336473 B SE 336473B
Authority
SE
Sweden
Application number
SE16549/66A
Inventor
L Sayce
A Russell
Original Assignee
Nat Res Dev
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 Nat Res Dev filed Critical Nat Res Dev
Publication of SE336473B publication Critical patent/SE336473B/xx

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
    • G01D5/347—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
    • 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
SE16549/66A 1965-12-02 1966-12-02 SE336473B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB51258/65A GB1169698A (en) 1965-12-02 1965-12-02 Improvements in or relating to Positional Displacement Transducer Arrangements

Publications (1)

Publication Number Publication Date
SE336473B true SE336473B (xx) 1971-07-05

Family

ID=10459284

Family Applications (1)

Application Number Title Priority Date Filing Date
SE16549/66A SE336473B (xx) 1965-12-02 1966-12-02

Country Status (5)

Country Link
US (1) US3500055A (xx)
DE (1) DE1548744B2 (xx)
FR (1) FR1503150A (xx)
GB (1) GB1169698A (xx)
SE (1) SE336473B (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604810A (en) * 1968-06-14 1971-09-14 Jenoptik Jena Gmbh Veb Apparatus for the objective localization of an object relative to a scale carrier
GB1363411A (en) * 1970-07-01 1974-08-14 Nat Res Dev Position indicating or measuring devices
US3748486A (en) * 1971-12-21 1973-07-24 Secretary Trade Ind Brit Position detection and control devices
DE2758525B1 (de) 1977-12-28 1979-06-28 Heidenhain Gmbh Dr Johannes Messeinrichtung mit codierter Unterteilung
FI54972C (fi) * 1978-01-18 1979-04-10 A Elektroniikka Foerfarande och anordning foer optisk maetning av dimensionen hos en kropp
US4314159A (en) * 1980-05-30 1982-02-02 The Mead Corporation Document scanner
JPS576994A (en) * 1980-06-17 1982-01-13 Tokyo Optical Coding board for encoder
DE3770262D1 (de) * 1986-12-22 1991-06-27 Siemens Ag Hochgenauer winkellagegeber mit fotoelektrisch abtastbaren spuren.
JP2709088B2 (ja) * 1988-08-24 1998-02-04 株式会社リコー 回転量測定方法
US5699058A (en) * 1994-03-17 1997-12-16 Copal Company Limited Absolute encoder generating phase-shifted triangular waveforms to produce multi-bit signals
US6552809B1 (en) 2000-09-18 2003-04-22 Institut National D'optique Position encoding optical device and method
DE102011089518A1 (de) * 2011-12-22 2013-04-04 Continental Automotive Gmbh Vorrichtung und Verfahren zum Bestimmen einer Position eines Elements

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3076374A (en) * 1958-04-07 1963-02-05 Frederic W Olmstead System and mechanism for measuring displacements
US3153111A (en) * 1958-06-26 1964-10-13 Nat Res Dev Measurement of displacements
US3114046A (en) * 1960-08-01 1963-12-10 Gen Electric Position measuring system
DE1226797B (de) * 1961-12-04 1966-10-13 Hensoldt & Soehne Optik Fotoelektrische Einrichtung mit optischen Gittern als Anzeigemittel zum Anzeigen der Lageaenderung eines beweglichen Teiles
US3223845A (en) * 1962-10-11 1965-12-14 Honeywell Inc Optical transducer for measuring distance
GB1096022A (en) * 1963-06-21 1967-12-20 Cooke Conrad Reginald Improvements in or relating to apparatus for detecting and indicating the extent of relative movement
US3303347A (en) * 1963-10-30 1967-02-07 Wayne George Corp Plural track shaft angle encoding system using exclusive or logic

Also Published As

Publication number Publication date
DE1548744B2 (de) 1972-09-21
DE1548744A1 (de) 1972-02-10
GB1169698A (en) 1969-11-05
FR1503150A (fr) 1967-11-24
US3500055A (en) 1970-03-10

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