CH586892A5 - - Google Patents

Info

Publication number
CH586892A5
CH586892A5 CH25575A CH25575A CH586892A5 CH 586892 A5 CH586892 A5 CH 586892A5 CH 25575 A CH25575 A CH 25575A CH 25575 A CH25575 A CH 25575A CH 586892 A5 CH586892 A5 CH 586892A5
Authority
CH
Switzerland
Application number
CH25575A
Original Assignee
Aga Ab
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 Aga Ab filed Critical Aga Ab
Publication of CH586892A5 publication Critical patent/CH586892A5/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
    • G01D5/36—Forming the light into pulses
CH25575A 1974-01-15 1975-01-10 CH586892A5 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7400508A SE379241B (xx) 1974-01-15 1974-01-15

Publications (1)

Publication Number Publication Date
CH586892A5 true CH586892A5 (xx) 1977-04-15

Family

ID=20319920

Family Applications (1)

Application Number Title Priority Date Filing Date
CH25575A CH586892A5 (xx) 1974-01-15 1975-01-10

Country Status (6)

Country Link
US (1) US3985448A (xx)
JP (1) JPS50104666A (xx)
CH (1) CH586892A5 (xx)
DE (1) DE2501373C3 (xx)
FR (1) FR2257894B1 (xx)
SE (1) SE379241B (xx)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH599536A5 (xx) * 1975-09-02 1978-05-31 Kern & Co Ag
DE2967525D1 (en) * 1978-12-19 1985-11-07 Toshiba Kk Encoder for length or angle measuring devices with high accuracy
DE2952106C2 (de) * 1979-12-22 1982-11-04 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Lichtelektrische inkrementale Längen- oder Winkelmeßeinrichtung
DE3018496A1 (de) * 1980-05-14 1981-11-19 Walter Dipl.-Ing. Dr.-Ing. 8012 Ottobrunn Mehnert Verfahren und vorrichtung zur messung eines winkels
DE3035012C2 (de) * 1980-09-17 1982-08-12 Fa. Carl Zeiss, 7920 Heidenheim Einrichtung zur Winkelmessung
DE3104972C2 (de) * 1981-02-12 1985-06-20 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Lichtelektrische inkrementale Positioniereinrichtung
NL8202300A (nl) * 1982-06-08 1984-01-02 Philips Nv Inrichting voor het bepalen van hoekverplaatsingen van een voorwerp.
US4482222A (en) * 1982-11-17 1984-11-13 Stutz William H Film viewer and analyzer and method
JPS6070311A (ja) * 1983-09-27 1985-04-22 Mitsubishi Electric Corp 光学式エンコ−ダ
JPH06100730B2 (ja) * 1986-04-18 1994-12-12 富士写真フイルム株式会社 光ビーム走査装置
JPS6384956A (ja) * 1986-09-30 1988-04-15 Alps Electric Co Ltd プリンタにおける活字輪の初期化方法
GB2210525B (en) * 1987-09-30 1991-11-20 Okuma Machinery Works Ltd Optical encoder
US5003171A (en) * 1990-01-26 1991-03-26 Allied Signal Inc. Optical encoding arrangement for absolute angle measurements
DE69516476T2 (de) * 1994-09-30 2001-02-01 Toshiba Kawasaki Kk Optische Drehkodiereinrichtung und ein damit versehenes Gerät
US5721533A (en) * 1996-07-12 1998-02-24 Lucent Technologies Inc. Cable deployment monitoring arrangement
ATE229642T1 (de) 1997-08-07 2002-12-15 Heidenhain Gmbh Dr Johannes Abtasteinheit für eine optische positionsmesseinrichtung
DE19754595B4 (de) 1997-12-10 2011-06-01 Dr. Johannes Heidenhain Gmbh Lichtelektrische Positionsmeßeinrichtung
DE50213034D1 (de) * 2001-09-04 2009-01-02 Heidenhain Gmbh Dr Johannes Positionsmesseinrichtung und verfahren zum betrieb einer positionsmesseinrichtung
DE10303795B4 (de) * 2003-01-31 2010-10-14 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung
DE102005006247A1 (de) * 2005-02-11 2006-08-17 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung
US7973941B2 (en) * 2007-07-24 2011-07-05 Mitutoyo Corporation Reference signal generating configuration for an interferometric miniature grating encoder readhead using fiber optic receiver channels
US7965393B2 (en) * 2007-07-24 2011-06-21 Mitutoyo Corporation Reference signal generating configuration for an interferometric miniature grating encoder readhead using fiber optic receiver channels
DE602008003809D1 (de) † 2008-09-10 2011-01-13 Fagor S Coop Optoelektronisches Messgerät
JP2014098666A (ja) * 2012-11-15 2014-05-29 Canon Inc インクリメンタルエンコーダ

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE566249C (de) * 1932-12-13 Zeiss Carl Fa Winkelanzeigevorrichtung
GB553491A (en) * 1942-02-28 1943-05-24 Genevoise Instr Physique Improvements to an electric device for signalling the position of a movable mark
CH251425A (de) * 1945-03-27 1947-10-31 Gmbh Ernst Leitz Strecken-Messeinrichtung mit einer Vorrichtung zur Berichtigung des Messstreckenfehlers.
US2832259A (en) * 1955-02-14 1958-04-29 Nat Res Dev Optical measuring systems
US3166624A (en) * 1961-05-05 1965-01-19 Bausch & Lomb Moire fringe device having line grids of gradually changing pitch
US3162711A (en) * 1961-05-05 1964-12-22 Bausch & Lomb Moire fringe constructions including a repeating irregular pattern
US3187187A (en) * 1962-01-24 1965-06-01 Wayne George Corp Photoelectric shaft angle encoder
US3244895A (en) * 1962-07-26 1966-04-05 Dynamics Res Corp Shaft encoders
DE1814785A1 (de) * 1968-12-14 1970-06-25 Johannes Heidenhain Feinmechan Zaehlanordnung
DE1930976B2 (de) * 1969-06-19 1972-01-05 Fa Dr Johannes Heidenhain, 8225 Traunreut Anordnung zum erzeugen einer signalkurve zur laengen oder winkelmessung

Also Published As

Publication number Publication date
US3985448A (en) 1976-10-12
FR2257894A1 (xx) 1975-08-08
JPS50104666A (xx) 1975-08-18
DE2501373B2 (de) 1981-03-26
FR2257894B1 (xx) 1979-02-23
SE7400508L (xx) 1975-07-16
SE379241B (xx) 1975-09-29
DE2501373C3 (de) 1982-05-27
DE2501373A1 (de) 1975-07-24

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Legal Events

Date Code Title Description
PUE Assignment

Owner name: PHAROS AB

PUE Assignment

Owner name: GEOTRONICS AB

PL Patent ceased