DE3689602D1 - Positionsdetektionsvorrichtung. - Google Patents

Positionsdetektionsvorrichtung.

Info

Publication number
DE3689602D1
DE3689602D1 DE86111651T DE3689602T DE3689602D1 DE 3689602 D1 DE3689602 D1 DE 3689602D1 DE 86111651 T DE86111651 T DE 86111651T DE 3689602 T DE3689602 T DE 3689602T DE 3689602 D1 DE3689602 D1 DE 3689602D1
Authority
DE
Germany
Prior art keywords
detection device
position detection
detection
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 - Fee Related
Application number
DE86111651T
Other languages
English (en)
Other versions
DE3689602T2 (de
Inventor
Norio Okutani
Tomiyasu Ueda
Tomohiro Maruo
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP61142022A external-priority patent/JPS62174613A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE3689602D1 publication Critical patent/DE3689602D1/de
Publication of DE3689602T2 publication Critical patent/DE3689602T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01D5/38—Forming the light into pulses by diffraction gratings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
DE3689602T 1985-08-23 1986-08-22 Positionsdetektionsvorrichtung. Expired - Fee Related DE3689602T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP18521185 1985-08-23
JP22710285 1985-10-11
JP61142022A JPS62174613A (ja) 1985-08-23 1986-06-18 位置検出装置

Publications (2)

Publication Number Publication Date
DE3689602D1 true DE3689602D1 (de) 1994-03-17
DE3689602T2 DE3689602T2 (de) 1994-08-25

Family

ID=27318371

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3689602T Expired - Fee Related DE3689602T2 (de) 1985-08-23 1986-08-22 Positionsdetektionsvorrichtung.

Country Status (3)

Country Link
US (1) US4971442A (de)
EP (1) EP0216159B1 (de)
DE (1) DE3689602T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02281431A (ja) * 1989-04-21 1990-11-19 Teac Corp 対物レンズ駆動装置
GB2239088B (en) * 1989-11-24 1994-05-25 Ricoh Kk Optical movement measuring method and apparatus
KR960009860B1 (ko) * 1992-01-31 1996-07-24 다니이 아끼오 복수축의 동기회전장치
US5652426A (en) * 1993-04-19 1997-07-29 Ricoh Company, Ltd. Optical encoder having high resolution
US6154278A (en) * 1993-06-10 2000-11-28 Matsushita Electric Industrial Co., Ltd. Optical encoder for optically measuring displacement of moving body
IL116583A (en) * 1995-12-27 2001-06-14 Ruschin Shlomo Spectral analyzer and directional indicator
US6552809B1 (en) 2000-09-18 2003-04-22 Institut National D'optique Position encoding optical device and method
CN100565093C (zh) * 2007-12-27 2009-12-02 西安理工大学 一种可控机构初始角位置动态检测装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1282988B (de) * 1965-05-28 1968-11-14 Zeiss Carl Fa Einrichtung zum Messen von Lageaenderungen zweier zueinander beweglicher Teile unterVerwendung einer inkohaerenten Strahlung
US3842261A (en) * 1973-12-20 1974-10-15 Itek Corp Optical encoder using diffraction imagery in a reflective mode
US4112295A (en) * 1974-12-30 1978-09-05 Instytut Geodezji I Kartograffi Apparatus for direct measurement of displacements with a holographic scale
US4395124A (en) * 1977-12-23 1983-07-26 Randwal Instrument Co., Inc. Apparatus for position encoding
DE2921103C2 (de) * 1979-05-25 1986-09-25 Robert Bosch Gmbh, 7000 Stuttgart Inkrementaler Drehwinkelgeber
JPS57169612A (en) * 1981-04-13 1982-10-19 Tokyo Optical Co Ltd Photoelectric encoder

Also Published As

Publication number Publication date
DE3689602T2 (de) 1994-08-25
EP0216159A2 (de) 1987-04-01
EP0216159B1 (de) 1994-02-02
US4971442A (en) 1990-11-20
EP0216159A3 (en) 1989-04-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee