CN101055195A - 光学编码设备 - Google Patents
光学编码设备 Download PDFInfo
- Publication number
- CN101055195A CN101055195A CNA200710098106XA CN200710098106A CN101055195A CN 101055195 A CN101055195 A CN 101055195A CN A200710098106X A CNA200710098106X A CN A200710098106XA CN 200710098106 A CN200710098106 A CN 200710098106A CN 101055195 A CN101055195 A CN 101055195A
- Authority
- CN
- China
- Prior art keywords
- yardstick
- respect
- optical encoders
- detecting sensor
- photodetector
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 58
- 230000033001 locomotion Effects 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 21
- 238000012545 processing Methods 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000003491 array Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000009017 pursuit movement Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
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- 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
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- 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
- G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
- G01D2205/90—Two-dimensional encoders, i.e. having one or two codes extending in two directions
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/403,999 | 2006-04-14 | ||
US11/403,999 US7525085B2 (en) | 2006-04-14 | 2006-04-14 | Multi-axis optical encoders |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101055195A true CN101055195A (zh) | 2007-10-17 |
CN101055195B CN101055195B (zh) | 2011-02-09 |
Family
ID=38514881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200710098106XA Expired - Fee Related CN101055195B (zh) | 2006-04-14 | 2007-04-13 | 光学编码设备 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7525085B2 (zh) |
CN (1) | CN101055195B (zh) |
DE (1) | DE102007017354B9 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015113493A1 (zh) * | 2014-01-28 | 2015-08-06 | 广东工业大学 | 绝对光栅尺辅助安装和误差补偿方法 |
CN105937918A (zh) * | 2015-03-06 | 2016-09-14 | 赫克斯冈技术中心 | 用于确定位置的系统 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0907842D0 (en) * | 2009-05-06 | 2009-06-17 | Renishaw Plc | Position encoder apparatus and method of operation |
EP2264409B1 (en) * | 2009-06-19 | 2015-10-07 | ASML Netherlands B.V. | Lithographic apparatus and device manufacturing method |
US9506750B2 (en) | 2012-09-07 | 2016-11-29 | Apple Inc. | Imaging range finding device and method |
US10551223B2 (en) * | 2017-03-20 | 2020-02-04 | Tt Electronics Plc | Method and apparatus for configurable photodetector array patterning for optical encoders |
DE202018103537U1 (de) * | 2018-06-22 | 2019-10-02 | Leuze Electronic Gmbh + Co. Kg | Optischer Sensor |
GB201916641D0 (en) * | 2019-11-15 | 2020-01-01 | Renishaw Plc | Position measurement device |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4572952A (en) * | 1982-07-28 | 1986-02-25 | Adrian March Research Ltd. | Position sensor with moire interpolation |
US5317149A (en) * | 1992-11-12 | 1994-05-31 | Hewlett-Packard Company | Optical encoder with encapsulated electrooptics |
US6564168B1 (en) * | 1999-09-14 | 2003-05-13 | Immersion Corporation | High-resolution optical encoder with phased-array photodetectors |
JP2001311630A (ja) * | 2000-02-22 | 2001-11-09 | Mitsutoyo Corp | 光学式エンコーダ |
JP4444469B2 (ja) * | 2000-08-07 | 2010-03-31 | 株式会社ミツトヨ | 光学式変位測定装置 |
US6998601B2 (en) * | 2002-04-11 | 2006-02-14 | Agilent Technologies, Inc. | Dual-axis optical encoder device |
US7060968B1 (en) * | 2002-06-04 | 2006-06-13 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Method and apparatus for optical encoding with compressible imaging |
US6664535B1 (en) * | 2002-07-16 | 2003-12-16 | Mitutoyo Corporation | Scale structures and methods usable in an absolute position transducer |
SE0301164D0 (sv) * | 2003-04-22 | 2003-04-22 | Trimble Ab | Improved high accuracy absolute optical encoder |
WO2005015132A1 (ja) * | 2003-08-06 | 2005-02-17 | Hamamatsu Photonics K.K. | アブソリュートエンコーダ |
JP2006038572A (ja) * | 2004-07-26 | 2006-02-09 | Sharp Corp | 反射型エンコーダおよびこの反射型エンコーダを用いた電子機器 |
-
2006
- 2006-04-14 US US11/403,999 patent/US7525085B2/en not_active Expired - Fee Related
-
2007
- 2007-04-12 DE DE102007017354.9A patent/DE102007017354B9/de not_active Expired - Fee Related
- 2007-04-13 CN CN200710098106XA patent/CN101055195B/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015113493A1 (zh) * | 2014-01-28 | 2015-08-06 | 广东工业大学 | 绝对光栅尺辅助安装和误差补偿方法 |
US9417100B2 (en) | 2014-01-28 | 2016-08-16 | Guangdong University Of Technology | Method of assisted mounting and error compensation for absolute grating ruler |
CN105937918A (zh) * | 2015-03-06 | 2016-09-14 | 赫克斯冈技术中心 | 用于确定位置的系统 |
US10184809B2 (en) | 2015-03-06 | 2019-01-22 | Hexagon Technology Center Gmbh | System for determining positions with a sensor using a 2D-code pattern for determination of a discrepancy from an ideal situation |
Also Published As
Publication number | Publication date |
---|---|
DE102007017354A1 (de) | 2007-10-18 |
DE102007017354B4 (de) | 2016-01-21 |
CN101055195B (zh) | 2011-02-09 |
DE102007017354B9 (de) | 2016-03-24 |
US20070241270A1 (en) | 2007-10-18 |
US7525085B2 (en) | 2009-04-28 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) CORPORAT Free format text: FORMER OWNER: AVAGO TECHNOLOGIES IP PRIVATE CO. Effective date: 20130508 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130508 Address after: Singapore Singapore Patentee after: Avago Technologies Fiber IP Singapore Pte. Ltd. Address before: Singapore Singapore Patentee before: AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE.LTD. |
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TR01 | Transfer of patent right |
Effective date of registration: 20181011 Address after: Singapore Singapore Patentee after: Annwa high tech Limited by Share Ltd Address before: Singapore Singapore Patentee before: Avago Technologies Fiber IP Singapore Pte. Ltd. |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20190413 |
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CF01 | Termination of patent right due to non-payment of annual fee |