DE69227009T2 - Opto-elektronischer Skalenleseapparat - Google Patents
Opto-elektronischer SkalenleseapparatInfo
- Publication number
- DE69227009T2 DE69227009T2 DE69227009T DE69227009T DE69227009T2 DE 69227009 T2 DE69227009 T2 DE 69227009T2 DE 69227009 T DE69227009 T DE 69227009T DE 69227009 T DE69227009 T DE 69227009T DE 69227009 T2 DE69227009 T2 DE 69227009T2
- Authority
- DE
- Germany
- Prior art keywords
- opto
- reading device
- electronic scale
- scale reading
- electronic
- 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 - Lifetime
Links
- 230000005693 optoelectronics 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
- G01D5/347—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 using displacement encoding scales
- G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
- G01D5/34715—Scale reading or illumination devices
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9123567 | 1991-11-06 | ||
GB919123567A GB9123567D0 (en) | 1991-11-06 | 1991-11-06 | Opto-electronic scale reading apparatus |
GB9206750 | 1992-03-27 | ||
GB929206750A GB9206750D0 (en) | 1992-03-27 | 1992-03-27 | Opto-electronic scale reading apparatus |
GB9208898 | 1992-04-24 | ||
GB929208898A GB9208898D0 (en) | 1992-04-24 | 1992-04-24 | Opto-electronic scale reading apparatus |
Publications (3)
Publication Number | Publication Date |
---|---|
DE69227009D1 DE69227009D1 (de) | 1998-10-22 |
DE69227009T2 true DE69227009T2 (de) | 1999-02-18 |
DE69227009T3 DE69227009T3 (de) | 2008-05-29 |
Family
ID=27265916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69227009T Expired - Lifetime DE69227009T3 (de) | 1991-11-06 | 1992-10-27 | Opto-elektronischer Skalenleseapparat |
Country Status (4)
Country | Link |
---|---|
US (1) | US5302820A (de) |
EP (2) | EP0543513B2 (de) |
JP (1) | JPH05248895A (de) |
DE (1) | DE69227009T3 (de) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9424969D0 (en) * | 1994-12-10 | 1995-02-08 | Renishaw Plc | Opto-electronic scale reading apparatus |
GB9425907D0 (en) * | 1994-12-22 | 1995-02-22 | Renishaw Plc | Opto-electronic scale reading apparatus |
GB2299726B (en) * | 1995-04-07 | 1999-07-28 | Rank Cintel Ltd | Diffusers for film scanners and the like |
GB9522491D0 (en) * | 1995-11-02 | 1996-01-03 | Renishaw Plc | Opto-electronic rotary encoder |
JP3631551B2 (ja) * | 1996-01-23 | 2005-03-23 | 株式会社ミツトヨ | 光学式エンコーダ |
JPH11281403A (ja) * | 1998-03-27 | 1999-10-15 | Futaba Corp | 光学式リニヤスケール原点信号発生装置 |
DE19859670A1 (de) | 1998-12-23 | 2000-06-29 | Heidenhain Gmbh Dr Johannes | Abtastkopf und Verfahren zu dessen Herstellung |
DE19859669A1 (de) * | 1998-12-23 | 2000-06-29 | Heidenhain Gmbh Dr Johannes | Integrierter optoelektronischer Sensor und Verfahren zu dessen Herstellung |
DE19917950A1 (de) * | 1999-04-21 | 2000-10-26 | Heidenhain Gmbh Dr Johannes | Integrierter optoelektronischer Dünnschichtsensor und Verfahren zu dessen Herstellung |
JP4350220B2 (ja) * | 1999-08-06 | 2009-10-21 | 株式会社ミツトヨ | 変位測定装置 |
DE19944004A1 (de) | 1999-09-14 | 2001-03-15 | Kostal Leopold Gmbh & Co Kg | Optoelektronischer Drehwinkelsensor |
GB9924332D0 (en) | 1999-10-15 | 1999-12-15 | Renishaw Plc | Producing a scale for use in opto-electronic scale reading apparatus |
GB9924331D0 (en) * | 1999-10-15 | 1999-12-15 | Renishaw Plc | Scale reading apparatus |
GB9928483D0 (en) | 1999-12-03 | 2000-02-02 | Renishaw Plc | Opto-electronic scale reading apparatus |
US6512222B2 (en) * | 2000-02-03 | 2003-01-28 | Mitutoyo Corporation | Displacement measuring apparatus |
GB0004120D0 (en) | 2000-02-23 | 2000-04-12 | Renishaw Plc | Opto-electronic scale reading apparatus |
ES2166717B1 (es) * | 2000-06-15 | 2003-04-16 | Fagor S Coop | Disposicion optoelectronica de fotodetectores para la medicion de longitud. |
GB0023289D0 (en) * | 2000-09-22 | 2000-11-08 | Renishaw Plc | Determination of displacement |
GB0103582D0 (en) * | 2001-02-14 | 2001-03-28 | Renishaw Plc | Position determination system |
US6794638B2 (en) | 2001-09-13 | 2004-09-21 | Mitutoyo Corporation | Photoelectric encoder having improved light-emitting and photoreceptive sections |
US7145126B2 (en) * | 2004-03-16 | 2006-12-05 | Wai-Hon Lee | Optical position encoder device using incoherent light source |
JP4803641B2 (ja) * | 2005-05-12 | 2011-10-26 | オリンパス株式会社 | 光学式エンコーダ |
ATE386255T1 (de) * | 2005-05-13 | 2008-03-15 | Fagor S Coop | Optoelektronische messeinrichtung |
GB0522651D0 (en) | 2005-11-07 | 2005-12-14 | Renishaw Plc | Scale and readhead system |
GB0523273D0 (en) | 2005-11-16 | 2005-12-21 | Renishaw Plc | Scale and readhead apparatus and method |
GB0601174D0 (en) | 2006-01-20 | 2006-03-01 | Renishaw Plc | Multiple readhead apparatus |
EP1852674B1 (de) * | 2006-05-05 | 2015-09-09 | Dr. Johannes Heidenhain GmbH | Messvorrichtung zur Bestimmung des relativen Versatzes zwischen zwei Bauteilen |
GB0621487D0 (en) * | 2006-10-28 | 2006-12-06 | Renishaw Plc | Opto-electronic read head |
JP2010256080A (ja) | 2009-04-22 | 2010-11-11 | Mitsutoyo Corp | 光電式エンコーダ及びその動作制御方法 |
DE102011075286A1 (de) * | 2011-05-05 | 2012-11-08 | Dr. Johannes Heidenhain Gmbh | Optische Positionsmesseinrichtung |
US9562793B2 (en) | 2014-11-17 | 2017-02-07 | Mitutoyo Corporation | Illumination portion for an optical encoder |
US9689715B2 (en) | 2015-05-19 | 2017-06-27 | Mitutoyo Corporation | Light source array used in an illumination portion of an optical encoder |
US9871595B2 (en) | 2016-04-27 | 2018-01-16 | Industrial Technology Research Institute | Decoding device and method for absolute positioning code |
CN112556734B (zh) * | 2020-11-30 | 2021-09-28 | 中国科学院长春光学精密机械与物理研究所 | 光电编码器莫尔条纹细分方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1231029A (de) * | 1968-12-13 | 1971-05-05 | ||
GB1311275A (en) * | 1969-06-04 | 1973-03-28 | Ferranti Ltd | Measuring apparatus employing optical gratings |
GB1504691A (en) * | 1974-03-15 | 1978-03-22 | Nat Res Dev | Measurement apparatus |
DD206424A1 (de) * | 1982-04-15 | 1984-01-25 | Franz Klapper | Einrichtung zur messung von verschiebungen und verdrehungen eines koerpers |
IT1160210B (it) * | 1983-09-30 | 1987-03-04 | Olivetti & Co Spa | Trasduttore ottico per rilevare la posizione di un organo mobile rispetto ad una struttura fissa |
JPS61178612A (ja) * | 1985-02-04 | 1986-08-11 | Kobe Steel Ltd | 光電式ロ−タリエンコ−ダ |
US4691101A (en) * | 1985-06-19 | 1987-09-01 | Hewlett-Packard Company | Optical positional encoder comprising immediately adjacent detectors |
DE3616144A1 (de) * | 1986-05-14 | 1987-11-19 | Heidenhain Gmbh Dr Johannes | Fotoelektrische messeinrichtung |
JPS63274563A (ja) * | 1987-05-07 | 1988-11-11 | Matsushita Electric Ind Co Ltd | 光プリンタヘッド用モノリシック発光素子アレイ |
US5017776A (en) * | 1989-03-10 | 1991-05-21 | Hewlett-Packard Company | Apparatus for and methods of optical encoding having spiral shaped light modulator |
GB9023659D0 (en) * | 1990-10-31 | 1990-12-12 | Renishaw Plc | Opto-electronic scale reading apparatus |
US5155355A (en) * | 1991-04-25 | 1992-10-13 | Mitutoyo Corporation | Photoelectric encoder having a grating substrate with integral light emitting elements |
-
1992
- 1992-10-27 DE DE69227009T patent/DE69227009T3/de not_active Expired - Lifetime
- 1992-10-27 EP EP92309807A patent/EP0543513B2/de not_active Expired - Lifetime
- 1992-10-27 EP EP98101805A patent/EP0843159A3/de not_active Withdrawn
- 1992-11-06 JP JP4297236A patent/JPH05248895A/ja active Pending
-
1993
- 1993-06-07 US US08/072,693 patent/US5302820A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH05248895A (ja) | 1993-09-28 |
EP0543513B2 (de) | 2007-10-24 |
EP0843159A2 (de) | 1998-05-20 |
EP0543513B1 (de) | 1998-09-16 |
US5302820A (en) | 1994-04-12 |
EP0843159A3 (de) | 1999-06-02 |
DE69227009D1 (de) | 1998-10-22 |
DE69227009T3 (de) | 2008-05-29 |
EP0543513A1 (de) | 1993-05-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8366 | Restricted maintained after opposition proceedings | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: RENISHAW PLC, WOTTON-UNDER-EDGE, GLOUCESTERSHI, GB |
|
R071 | Expiry of right |
Ref document number: 543513 Country of ref document: EP |