DE69521270T2 - Optischer Kodierer - Google Patents
Optischer KodiererInfo
- Publication number
- DE69521270T2 DE69521270T2 DE69521270T DE69521270T DE69521270T2 DE 69521270 T2 DE69521270 T2 DE 69521270T2 DE 69521270 T DE69521270 T DE 69521270T DE 69521270 T DE69521270 T DE 69521270T DE 69521270 T2 DE69521270 T2 DE 69521270T2
- Authority
- DE
- Germany
- Prior art keywords
- optical encoder
- encoder
- optical
- 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.)
- Revoked
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6315563A JP2695623B2 (ja) | 1994-11-25 | 1994-11-25 | 光学式エンコーダ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69521270D1 DE69521270D1 (de) | 2001-07-19 |
DE69521270T2 true DE69521270T2 (de) | 2001-11-15 |
Family
ID=18066855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69521270T Revoked DE69521270T2 (de) | 1994-11-25 | 1995-11-09 | Optischer Kodierer |
Country Status (5)
Country | Link |
---|---|
US (1) | US5604345A (de) |
EP (1) | EP0714015B1 (de) |
JP (1) | JP2695623B2 (de) |
CN (1) | CN1084882C (de) |
DE (1) | DE69521270T2 (de) |
Families Citing this family (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6166723A (en) * | 1995-11-17 | 2000-12-26 | Immersion Corporation | Mouse interface device providing force feedback |
US5701525A (en) * | 1995-12-21 | 1997-12-23 | Polaroid Corporation | Camera encoder assembly, system and method thereof |
JPH09196705A (ja) * | 1996-01-23 | 1997-07-31 | Mitsutoyo Corp | 変位測定装置 |
US6374255B1 (en) * | 1996-05-21 | 2002-04-16 | Immersion Corporation | Haptic authoring |
DE19628602A1 (de) * | 1996-07-16 | 1998-01-22 | Heidenhain Gmbh Dr Johannes | Vorrichtung zur Filterung von Oberwellen-Signalanteilen |
ATE229642T1 (de) | 1997-08-07 | 2002-12-15 | Heidenhain Gmbh Dr Johannes | Abtasteinheit für eine optische positionsmesseinrichtung |
US6256011B1 (en) * | 1997-12-03 | 2001-07-03 | Immersion Corporation | Multi-function control device with force feedback |
US6704683B1 (en) | 1998-04-28 | 2004-03-09 | Immersion Corporation | Direct velocity estimation for encoders using nonlinear period measurement |
AU3767999A (en) * | 1998-04-30 | 1999-11-16 | Immersion Corporation | Encoder with improved sensing resolution |
JP4027512B2 (ja) * | 1998-09-29 | 2007-12-26 | フジノン株式会社 | パターン投影計測用格子 |
DE19859670A1 (de) | 1998-12-23 | 2000-06-29 | Heidenhain Gmbh Dr Johannes | Abtastkopf und Verfahren zu dessen Herstellung |
TW452740B (en) * | 1999-08-09 | 2001-09-01 | Ind Tech Res Inst | Diffraction type anti-counterfeiting tag for both of bare eye reading and machine reading |
US6564168B1 (en) * | 1999-09-14 | 2003-05-13 | Immersion Corporation | High-resolution optical encoder with phased-array photodetectors |
US6279248B1 (en) | 1999-09-22 | 2001-08-28 | Central Purchasing, Inc. | Digital measuring system having a multi-row encoder disk |
US6693626B1 (en) * | 1999-12-07 | 2004-02-17 | Immersion Corporation | Haptic feedback using a keyboard device |
US6664538B1 (en) * | 2000-05-11 | 2003-12-16 | Infineon Technologies North America Corp | Mismatching of gratings to achieve phase shift in an optical position detector |
US6660997B2 (en) | 2001-04-26 | 2003-12-09 | Creo Srl | Absolute position Moiré type encoder for use in a control system |
US6904823B2 (en) * | 2002-04-03 | 2005-06-14 | Immersion Corporation | Haptic shifting devices |
GB2410995B (en) | 2002-10-15 | 2007-05-09 | Immersion Corp | Products and processes for providing force sensations in a user interface |
JP2004163302A (ja) * | 2002-11-14 | 2004-06-10 | Harmonic Drive Syst Ind Co Ltd | 光学式エンコーダ |
US20040135076A1 (en) * | 2003-01-15 | 2004-07-15 | Xerox Corporation | Method and apparatus for obtaining a high quality sine wave from an analog quadrature encoder |
GB2418475B (en) * | 2003-06-09 | 2007-10-24 | Immersion Corp | Interactive gaming systems with haptic feedback |
US20040262502A1 (en) * | 2003-06-26 | 2004-12-30 | Xerox Corporation | Position encoder |
US6972403B2 (en) * | 2003-06-26 | 2005-12-06 | Xerox Corporation | Position encoder |
US20040262503A1 (en) * | 2003-06-26 | 2004-12-30 | Xerox Corporation | Position encoder |
DE10338991A1 (de) * | 2003-08-18 | 2005-03-17 | Dr. Johannes Heidenhain Gmbh | Positionsmesseinrichtung |
US7145126B2 (en) | 2004-03-16 | 2006-12-05 | Wai-Hon Lee | Optical position encoder device using incoherent light source |
US7242466B2 (en) * | 2004-03-31 | 2007-07-10 | Microsoft Corporation | Remote pointing system, device, and methods for identifying absolute position and relative movement on an encoded surface by remote optical method |
US7048198B2 (en) * | 2004-04-22 | 2006-05-23 | Microsoft Corporation | Coded pattern for an optical device and a prepared surface |
JP2005337843A (ja) * | 2004-05-26 | 2005-12-08 | Canon Inc | 光学式エンコーダ |
JP2005337886A (ja) * | 2004-05-27 | 2005-12-08 | Nok Corp | エンコーダー |
DE102004041950A1 (de) | 2004-08-31 | 2006-03-02 | Dr. Johannes Heidenhain Gmbh | Optische Positionsmesseinrichtung |
JP4713123B2 (ja) | 2004-10-13 | 2011-06-29 | 株式会社ミツトヨ | エンコーダ出力信号補正装置 |
JP4768248B2 (ja) | 2004-10-13 | 2011-09-07 | 株式会社ミツトヨ | エンコーダ出力信号補正装置及び方法 |
JP2006153676A (ja) * | 2004-11-30 | 2006-06-15 | Ricoh Co Ltd | 光学式エンコーダ装置及び画像形成装置 |
US20070024865A1 (en) * | 2005-07-26 | 2007-02-01 | Mitchell Donald K | Optical encoder having slanted optical detector elements for harmonic suppression |
JP4724495B2 (ja) * | 2005-08-29 | 2011-07-13 | キヤノン株式会社 | 光学式エンコーダ |
EP1795873B1 (de) | 2005-12-06 | 2017-11-08 | Mitutoyo Corporation | Fotoelektrischer Kodierer |
CN101529211B (zh) * | 2006-08-21 | 2011-12-21 | Gsi集团公司 | 采用具有公共刻线基板的多个子编码器的旋转光学编码器 |
JP5748956B2 (ja) | 2006-09-13 | 2015-07-15 | イマージョン コーポレーションImmersion Corporation | カジノゲーム用のハプティクスのためのシステム及び方法 |
US9486292B2 (en) | 2008-02-14 | 2016-11-08 | Immersion Corporation | Systems and methods for real-time winding analysis for knot detection |
US7834310B2 (en) * | 2008-06-23 | 2010-11-16 | Xerox Corporation | Position encoder's signal processing method and system |
US7934657B2 (en) * | 2008-06-25 | 2011-05-03 | Xerox Corporation | Encoder home position sensing method and system |
US9104791B2 (en) * | 2009-05-28 | 2015-08-11 | Immersion Corporation | Systems and methods for editing a model of a physical system for a simulation |
JP5378316B2 (ja) * | 2009-07-29 | 2013-12-25 | 山洋電気株式会社 | 光学式エンコーダ装置 |
US8309906B2 (en) * | 2010-06-10 | 2012-11-13 | Mitutoyo Corporation | Absolute optical encoder with long range intensity modulation on scale |
JP2011075581A (ja) * | 2011-01-17 | 2011-04-14 | Canon Inc | 光学式エンコーダ |
KR101561131B1 (ko) | 2011-04-20 | 2015-10-16 | 휴렛-팩커드 디벨롭먼트 컴퍼니, 엘.피. | 광-검출 시스템 |
WO2012144997A1 (en) | 2011-04-20 | 2012-10-26 | Hewlett-Packard Development Company, L.P. | Sub-wavelength grating-based optical elements |
KR101321591B1 (ko) * | 2012-02-02 | 2013-10-28 | 알에스오토메이션주식회사 | 광학 인코더 |
JP5964162B2 (ja) * | 2012-07-18 | 2016-08-03 | 株式会社ミツトヨ | エンコーダ |
CN102944254B (zh) * | 2012-11-30 | 2015-11-25 | 欧姆龙(上海)有限公司 | 旋转编码器 |
GB201301186D0 (en) | 2012-12-20 | 2013-03-06 | Renishaw Plc | Optical element |
US9354401B2 (en) | 2013-01-30 | 2016-05-31 | Hewlett Packard Enterprise Development Lp | Optical connector having a cleaning element |
US9866924B2 (en) | 2013-03-14 | 2018-01-09 | Immersion Corporation | Systems and methods for enhanced television interaction |
JP6138664B2 (ja) * | 2013-10-30 | 2017-05-31 | オークマ株式会社 | 光学式エンコーダ |
US11061338B2 (en) * | 2014-04-17 | 2021-07-13 | Nikon Corporation | High-resolution position encoder with image sensor and encoded target pattern |
US10185303B2 (en) | 2015-02-21 | 2019-01-22 | Kla-Tencor Corporation | Optimizing computational efficiency by multiple truncation of spatial harmonics |
JP7103664B2 (ja) * | 2016-11-02 | 2022-07-20 | プレシラブズ エスエー | 検出装置、位置決めコード、および位置検出方法 |
ES2928745T3 (es) * | 2018-02-14 | 2022-11-22 | Hohner Automation S L | Métodos para calcular la forma de rendijas de una máscara de un codificador incremental óptico |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3616144A1 (de) * | 1986-05-14 | 1987-11-19 | Heidenhain Gmbh Dr Johannes | Fotoelektrische messeinrichtung |
JP2539269B2 (ja) * | 1989-07-17 | 1996-10-02 | オークマ株式会社 | 光学式エンコ―ダ |
JP2575935B2 (ja) * | 1990-07-30 | 1997-01-29 | オークマ株式会社 | 位置検出装置 |
EP0541827B1 (de) * | 1991-11-04 | 1995-04-12 | Dr. Johannes Heidenhain GmbH | Vorrichtung zur Erzeugung oberwellenfreier periodischer Signale |
-
1994
- 1994-11-25 JP JP6315563A patent/JP2695623B2/ja not_active Expired - Fee Related
-
1995
- 1995-11-09 EP EP95308004A patent/EP0714015B1/de not_active Revoked
- 1995-11-09 DE DE69521270T patent/DE69521270T2/de not_active Revoked
- 1995-11-16 US US08/559,113 patent/US5604345A/en not_active Expired - Fee Related
- 1995-11-24 CN CN95119694.4A patent/CN1084882C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2695623B2 (ja) | 1998-01-14 |
US5604345A (en) | 1997-02-18 |
CN1142056A (zh) | 1997-02-05 |
EP0714015B1 (de) | 2001-06-13 |
DE69521270D1 (de) | 2001-07-19 |
EP0714015A3 (de) | 1997-06-18 |
CN1084882C (zh) | 2002-05-15 |
JPH08145724A (ja) | 1996-06-07 |
EP0714015A2 (de) | 1996-05-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8331 | Complete revocation |