DE69120337D1 - Hochempfindliche Nullmarkierung für optisches Kodieren - Google Patents
Hochempfindliche Nullmarkierung für optisches KodierenInfo
- Publication number
- DE69120337D1 DE69120337D1 DE69120337T DE69120337T DE69120337D1 DE 69120337 D1 DE69120337 D1 DE 69120337D1 DE 69120337 T DE69120337 T DE 69120337T DE 69120337 T DE69120337 T DE 69120337T DE 69120337 D1 DE69120337 D1 DE 69120337D1
- Authority
- DE
- Germany
- Prior art keywords
- highly sensitive
- optical coding
- zero marking
- sensitive zero
- marking
- 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
- 230000003287 optical effect Effects 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
- G01D5/366—Particular pulse shapes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/511,699 US5065017A (en) | 1990-04-20 | 1990-04-20 | Zero mark for optical encoder using stator mask patterns and rotor patterns |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69120337D1 true DE69120337D1 (de) | 1996-07-25 |
DE69120337T2 DE69120337T2 (de) | 1997-02-06 |
Family
ID=24036055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69120337T Expired - Fee Related DE69120337T2 (de) | 1990-04-20 | 1991-04-19 | Hochempfindliche Nullmarkierung für optisches Kodieren |
Country Status (4)
Country | Link |
---|---|
US (1) | US5065017A (de) |
EP (1) | EP0453971B1 (de) |
CA (1) | CA2038657A1 (de) |
DE (1) | DE69120337T2 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH683798A5 (fr) * | 1990-12-10 | 1994-05-13 | Tesa Sa | Capteur de position pour un appareil de mesure de grandeurs linéaires ou angulaires. |
DE4420562C2 (de) * | 1994-06-13 | 1999-11-18 | Busch Dieter & Co Prueftech | Drehzahlmeßgerät |
AU6681196A (en) * | 1995-07-25 | 1997-02-26 | Regents Of The University Of California, The | Compact disc based high-precision optical shaft encoder |
US6181841B1 (en) | 1995-09-14 | 2001-01-30 | Structural Integrity Monitoring Systems, Inc. | Structural monitoring sensor system |
US6487914B1 (en) | 1995-09-14 | 2002-12-03 | Structural Integrity Monitoring Systems, Inc. | Structural monitoring sensor system |
CA2240664A1 (en) * | 1995-12-15 | 1997-07-03 | Structural Integrity Monitoring Systems | Structural monitoring sensor system |
US6647161B1 (en) | 1995-12-15 | 2003-11-11 | Malcolm H. Hodge | Structural monitoring sensor system |
DE19726935B4 (de) * | 1997-06-25 | 2014-06-12 | Dr. Johannes Heidenhain Gmbh | Optische Positionsmeßeinrichtung |
US6476377B1 (en) | 1998-10-30 | 2002-11-05 | Structural Integrity Monitoring Systems, Inc. | Structural monitoring system |
EP1003012B3 (de) * | 1998-11-19 | 2011-04-20 | Dr. Johannes Heidenhain GmbH | Optische Positionsmesseinrichtung |
DE60033075T3 (de) * | 1999-04-16 | 2012-08-30 | Canon K.K. | Kodierer |
DE10236144A1 (de) * | 2002-08-07 | 2004-02-19 | Valeo Schalter Und Sensoren Gmbh | Lenkstockmodul und Montageverfahren |
JP4953589B2 (ja) | 2005-05-25 | 2012-06-13 | 株式会社ミツトヨ | エンコーダの原点信号生成方法及び装置 |
DE102007056612A1 (de) * | 2007-11-23 | 2009-05-28 | Dr. Johannes Heidenhain Gmbh | Optische Positionsmesseinrichtung |
EP2199752B1 (de) | 2008-12-17 | 2019-08-28 | Fagor, S.Coop. | Absolutpositionsgeber |
JP5379761B2 (ja) * | 2010-08-06 | 2013-12-25 | キヤノン株式会社 | アブソリュートエンコーダ |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3187187A (en) * | 1962-01-24 | 1965-06-01 | Wayne George Corp | Photoelectric shaft angle encoder |
BE756467A (fr) * | 1969-09-24 | 1971-03-22 | Philips Nv | Dispositif pour aligner des objets, comportant une source lumineuse, unsysteme de detection photosensible et deux porteurs pour configuration |
US3749925A (en) * | 1971-12-01 | 1973-07-31 | Iomec | Opto-electronic transducer for position initialization of a linear motion mechanism |
US3995156A (en) * | 1975-03-25 | 1976-11-30 | Quick-Rotan Becker & Notz Kg | Transmitter for governed-speed drives employing an optical grating and photocells at an angle thereto |
US4263506A (en) * | 1978-12-21 | 1981-04-21 | Hewlett-Packard Company | Pulse generating apparatus |
US4451731A (en) * | 1981-08-10 | 1984-05-29 | Hewlett-Packard Company | Apparatus and method for modulating light to generate an index pulse |
US4602155A (en) * | 1983-07-25 | 1986-07-22 | Bei Electronics, Inc. | Zero reference generating method and apparatus for optical encoders |
US4678908A (en) * | 1983-07-25 | 1987-07-07 | Bei Electronics, Inc. | Zero reference generating method and apparatus for optical encoders |
JPS60161521A (ja) * | 1983-08-16 | 1985-08-23 | Tokyo Optical Co Ltd | インクリメンタル式エンコ−ダ |
JPS60120217A (ja) * | 1983-12-02 | 1985-06-27 | Mitsutoyo Mfg Co Ltd | 光電式変位検出装置 |
US4670737A (en) * | 1984-09-13 | 1987-06-02 | Sangamo Weston, Inc. | Method of initializing an optical encoder |
DE3536466A1 (de) * | 1985-10-12 | 1987-04-16 | Bodenseewerk Geraetetech | Nullimpulserzeuger zur erzeugung eines impulses bei erreichen einer vorgegebenen lage eines traegers |
US4736187A (en) * | 1986-12-04 | 1988-04-05 | The Regents Of The University Of California | Encoder for measuring both incremental and absolute positions of moving elements |
JPS63281015A (ja) * | 1987-05-13 | 1988-11-17 | Matsushita Electric Ind Co Ltd | 位置検出器の基準信号発生装置 |
-
1990
- 1990-04-20 US US07/511,699 patent/US5065017A/en not_active Expired - Lifetime
-
1991
- 1991-03-20 CA CA002038657A patent/CA2038657A1/en not_active Abandoned
- 1991-04-19 EP EP91106271A patent/EP0453971B1/de not_active Expired - Lifetime
- 1991-04-19 DE DE69120337T patent/DE69120337T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0453971B1 (de) | 1996-06-19 |
DE69120337T2 (de) | 1997-02-06 |
EP0453971A3 (en) | 1992-06-03 |
CA2038657A1 (en) | 1991-10-21 |
US5065017A (en) | 1991-11-12 |
EP0453971A2 (de) | 1991-10-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: JUNG HML, 80799 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |