CN1293367C - 参考点泰伯编码器 - Google Patents
参考点泰伯编码器 Download PDFInfo
- Publication number
- CN1293367C CN1293367C CNB028219309A CN02821930A CN1293367C CN 1293367 C CN1293367 C CN 1293367C CN B028219309 A CNB028219309 A CN B028219309A CN 02821930 A CN02821930 A CN 02821930A CN 1293367 C CN1293367 C CN 1293367C
- Authority
- CN
- China
- Prior art keywords
- scale
- encoder
- detector array
- light
- detector
- 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
Images
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
- G01D5/12—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 using electric or magnetic means
- G01D5/244—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/245—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
- G01D5/2454—Encoders incorporating incremental and absolute signals
- G01D5/2455—Encoders incorporating incremental and absolute signals with incremental and absolute tracks on the same encoder
- G01D5/2457—Incremental encoders having reference marks
-
- 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
-
- 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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31616001P | 2001-08-30 | 2001-08-30 | |
US60/316,160 | 2001-08-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1582387A CN1582387A (zh) | 2005-02-16 |
CN1293367C true CN1293367C (zh) | 2007-01-03 |
Family
ID=23227766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028219309A Expired - Fee Related CN1293367C (zh) | 2001-08-30 | 2002-08-12 | 参考点泰伯编码器 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1421343A2 (enrdf_load_stackoverflow) |
JP (1) | JP2005526951A (enrdf_load_stackoverflow) |
CN (1) | CN1293367C (enrdf_load_stackoverflow) |
AU (1) | AU2002329728A1 (enrdf_load_stackoverflow) |
CA (1) | CA2458954A1 (enrdf_load_stackoverflow) |
WO (1) | WO2003021194A2 (enrdf_load_stackoverflow) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10353808B4 (de) * | 2003-11-14 | 2015-09-03 | Dr. Johannes Heidenhain Gmbh | Messteilung für eine Positionsmesseinrichtung und Positionsmesseinrichtung |
US20080100892A1 (en) * | 2004-07-21 | 2008-05-01 | Koninklijke Philips Electronics, N.V. | Information Carrier, System and Apparatus for Reading Such an Information Carrier |
DE102005006247A1 (de) * | 2005-02-11 | 2006-08-17 | Dr. Johannes Heidenhain Gmbh | Positionsmesseinrichtung |
US7385178B2 (en) | 2005-10-26 | 2008-06-10 | Avago Technologies Ecbu Ip Pte Ltd | Reflective encoders with various emitter-detector configurations |
JP4669047B2 (ja) * | 2006-02-06 | 2011-04-13 | ノキア コーポレイション | 撮像システムにおける位置検知の方法及びデバイス |
DE102007035345A1 (de) * | 2006-11-20 | 2008-05-21 | Dr. Johannes Heidenhain Gmbh | Positionsmesseinrichtung |
TWI534408B (zh) * | 2007-07-24 | 2016-05-21 | 尼康股份有限公司 | Position measuring system, exposure apparatus, position measuring method, exposure method and component manufacturing method, and measuring tool and measuring method |
JP5391115B2 (ja) * | 2010-03-18 | 2014-01-15 | 株式会社ミツトヨ | 光電式エンコーダ |
WO2015049173A1 (en) * | 2013-10-01 | 2015-04-09 | Renishaw Plc | Reference mark detector arrangement |
JP6272129B2 (ja) * | 2014-05-02 | 2018-01-31 | キヤノン株式会社 | 光学式エンコーダおよびこれを備えた装置 |
US10670431B2 (en) * | 2015-09-09 | 2020-06-02 | Renishaw Plc | Encoder apparatus that includes a scale and a readhead that are movable relative to each other configured to reduce the adverse effect of undesirable frequencies in the scale signal to reduce the encoder sub-divisional error |
EP3623769A1 (en) * | 2018-09-12 | 2020-03-18 | Renishaw PLC | Measurement device |
EP3825659B1 (en) | 2019-11-19 | 2023-11-08 | CSEM Centre Suisse D'electronique Et De Microtechnique SA | Position encoder |
CN114440945B (zh) * | 2022-02-28 | 2023-06-16 | 中北大学 | 一种基于双层圆孔点阵二维光栅的可调谐光学角度编码器 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2246430A (en) * | 1988-01-22 | 1992-01-29 | Mitutoyo Corp | Optical encoder |
US5260568A (en) * | 1990-07-18 | 1993-11-09 | Okuma Corporation | Absolute position detector with diffraction grating windows and spot position detection |
US5534693A (en) * | 1993-07-12 | 1996-07-09 | Canon Kabushiki Kaisha | Optical displacement detection apparatus employing diffraction gratings and a reference position sensor located on the scale |
US5559600A (en) * | 1992-05-05 | 1996-09-24 | Microe, Inc. | Apparatus for detecting relative movement |
US5646730A (en) * | 1992-05-05 | 1997-07-08 | Microe, Inc. | Relative movement detecting apparatus using a detector positioned in a region of natural interference |
CN1170139A (zh) * | 1995-06-08 | 1998-01-14 | 松下电器产业株式会社 | 相位光栅及其制造方法、光学编码器、使用光学编码器的电动机及使用该电动机的机械手 |
CN1171560A (zh) * | 1996-05-20 | 1998-01-28 | 松下电器产业株式会社 | 光学编码器及位置检测方法 |
EP0895239A2 (en) * | 1997-07-29 | 1999-02-03 | Hoetron, Inc. | Optical track sensing device |
-
2002
- 2002-08-12 AU AU2002329728A patent/AU2002329728A1/en not_active Abandoned
- 2002-08-12 JP JP2003525229A patent/JP2005526951A/ja active Pending
- 2002-08-12 EP EP02765972A patent/EP1421343A2/en not_active Withdrawn
- 2002-08-12 WO PCT/US2002/025446 patent/WO2003021194A2/en active Application Filing
- 2002-08-12 CN CNB028219309A patent/CN1293367C/zh not_active Expired - Fee Related
- 2002-08-12 CA CA002458954A patent/CA2458954A1/en not_active Abandoned
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2246430A (en) * | 1988-01-22 | 1992-01-29 | Mitutoyo Corp | Optical encoder |
US5260568A (en) * | 1990-07-18 | 1993-11-09 | Okuma Corporation | Absolute position detector with diffraction grating windows and spot position detection |
US5559600A (en) * | 1992-05-05 | 1996-09-24 | Microe, Inc. | Apparatus for detecting relative movement |
US5646730A (en) * | 1992-05-05 | 1997-07-08 | Microe, Inc. | Relative movement detecting apparatus using a detector positioned in a region of natural interference |
US5534693A (en) * | 1993-07-12 | 1996-07-09 | Canon Kabushiki Kaisha | Optical displacement detection apparatus employing diffraction gratings and a reference position sensor located on the scale |
CN1170139A (zh) * | 1995-06-08 | 1998-01-14 | 松下电器产业株式会社 | 相位光栅及其制造方法、光学编码器、使用光学编码器的电动机及使用该电动机的机械手 |
CN1171560A (zh) * | 1996-05-20 | 1998-01-28 | 松下电器产业株式会社 | 光学编码器及位置检测方法 |
EP0895239A2 (en) * | 1997-07-29 | 1999-02-03 | Hoetron, Inc. | Optical track sensing device |
US5991249A (en) * | 1997-07-29 | 1999-11-23 | Hoetron, Inc. | Optical track sensing device |
Also Published As
Publication number | Publication date |
---|---|
WO2003021194A3 (en) | 2003-08-14 |
CN1582387A (zh) | 2005-02-16 |
AU2002329728A1 (en) | 2003-03-18 |
CA2458954A1 (en) | 2003-03-13 |
WO2003021194A2 (en) | 2003-03-13 |
EP1421343A2 (en) | 2004-05-26 |
JP2005526951A (ja) | 2005-09-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: GSI BLOOM MAUNICK CO., LTD. Free format text: FORMER OWNER: MICROE SYSTEMS INC. Effective date: 20050923 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20050923 Address after: Michigan Applicant after: GSI lum Monique company Address before: Massachusetts USA Applicant before: Microe Systems Inc. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070103 Termination date: 20150812 |
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EXPY | Termination of patent right or utility model |