DE2501373C3 - Anordnung zur Winkel- oder Längenmessung - Google Patents

Anordnung zur Winkel- oder Längenmessung

Info

Publication number
DE2501373C3
DE2501373C3 DE2501373A DE2501373A DE2501373C3 DE 2501373 C3 DE2501373 C3 DE 2501373C3 DE 2501373 A DE2501373 A DE 2501373A DE 2501373 A DE2501373 A DE 2501373A DE 2501373 C3 DE2501373 C3 DE 2501373C3
Authority
DE
Germany
Prior art keywords
pattern
measuring
signals
measuring scale
measuring plate
Prior art date
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
DE2501373A
Other languages
German (de)
English (en)
Other versions
DE2501373A1 (de
DE2501373B2 (de
Inventor
Nils Gunnar Lidingö Bernhard
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.)
Geotronics AB
Original Assignee
Pharos 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 Pharos AB filed Critical Pharos AB
Publication of DE2501373A1 publication Critical patent/DE2501373A1/de
Publication of DE2501373B2 publication Critical patent/DE2501373B2/de
Application granted granted Critical
Publication of DE2501373C3 publication Critical patent/DE2501373C3/de
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
    • G01D5/36—Forming the light into pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
DE2501373A 1974-01-15 1975-01-15 Anordnung zur Winkel- oder Längenmessung Expired DE2501373C3 (de)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
DE2501373A1 DE2501373A1 (de) 1975-07-24
DE2501373B2 DE2501373B2 (de) 1981-03-26
DE2501373C3 true DE2501373C3 (de) 1982-05-27

Family

ID=20319920

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2501373A Expired DE2501373C3 (de) 1974-01-15 1975-01-15 Anordnung zur Winkel- oder Längenmessung

Country Status (6)

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

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH599536A5 (enExample) * 1975-09-02 1978-05-31 Kern & Co Ag
EP0013799B1 (en) * 1978-12-19 1985-10-02 Kabushiki Kaisha Toshiba 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
DE3844704C2 (enExample) * 1987-09-30 1992-06-17 Kabushiki Kaisha Okuma Tekkosho, Nagoya, Aichi, Jp
US5003171A (en) * 1990-01-26 1991-03-26 Allied Signal Inc. Optical encoding arrangement for absolute angle measurements
EP0704680B1 (en) * 1994-09-30 2000-04-26 Kabushiki Kaisha Toshiba An optical rotary encoder device and an apparatus using same
US5721533A (en) * 1996-07-12 1998-02-24 Lucent Technologies Inc. Cable deployment monitoring arrangement
EP0896206B1 (de) 1997-08-07 2002-12-11 Dr. Johannes Heidenhain GmbH Abtasteinheit für eine optische Positionsmesseinrichtung
DE19754595B4 (de) 1997-12-10 2011-06-01 Dr. Johannes Heidenhain Gmbh Lichtelektrische Positionsmeßeinrichtung
DE10241038A1 (de) * 2001-09-04 2003-03-20 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
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
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
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
FR2257894B1 (enExample) 1979-02-23
SE7400508L (enExample) 1975-07-16
DE2501373A1 (de) 1975-07-24
JPS50104666A (enExample) 1975-08-18
DE2501373B2 (de) 1981-03-26
FR2257894A1 (enExample) 1975-08-08
CH586892A5 (enExample) 1977-04-15
US3985448A (en) 1976-10-12
SE379241B (enExample) 1975-09-29

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Legal Events

Date Code Title Description
8227 New person/name/address of the applicant

Free format text: PHAROS AB, 18181 LIDINGOE, SE

C3 Grant after two publication steps (3rd publication)
8327 Change in the person/name/address of the patent owner

Owner name: GEOTRONICS AB, DANDERYD, SE