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
Links
- 238000001514 detection method Methods 0.000 title 1
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)
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)
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)
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 |
-
1986
- 1986-08-22 DE DE3689602T patent/DE3689602T2/de not_active Expired - Fee Related
- 1986-08-22 EP EP86111651A patent/EP0216159B1/de not_active Expired - Lifetime
-
1989
- 1989-04-20 US US07/342,609 patent/US4971442A/en not_active Expired - Fee Related
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 |