ATE527522T1 - Fotodiodensensorarray mit mehrfachauflösung für eine optische kodiervorrichtung - Google Patents

Fotodiodensensorarray mit mehrfachauflösung für eine optische kodiervorrichtung

Info

Publication number
ATE527522T1
ATE527522T1 AT02023105T AT02023105T ATE527522T1 AT E527522 T1 ATE527522 T1 AT E527522T1 AT 02023105 T AT02023105 T AT 02023105T AT 02023105 T AT02023105 T AT 02023105T AT E527522 T1 ATE527522 T1 AT E527522T1
Authority
AT
Austria
Prior art keywords
value
resolution
photodiod
sensor array
encoding device
Prior art date
Application number
AT02023105T
Other languages
English (en)
Inventor
Ruth E Franklin
Richard M Forsyth
Original Assignee
Heidenhain Gmbh Dr Johannes
Austriamicrosystems Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Heidenhain Gmbh Dr Johannes, Austriamicrosystems Ag filed Critical Heidenhain Gmbh Dr Johannes
Application granted granted Critical
Publication of ATE527522T1 publication Critical patent/ATE527522T1/de

Links

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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
AT02023105T 2001-11-06 2002-10-15 Fotodiodensensorarray mit mehrfachauflösung für eine optische kodiervorrichtung ATE527522T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/992,542 US6727493B2 (en) 2001-11-06 2001-11-06 Multiple resolution photodiode sensor array for an optical encoder

Publications (1)

Publication Number Publication Date
ATE527522T1 true ATE527522T1 (de) 2011-10-15

Family

ID=25538440

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02023105T ATE527522T1 (de) 2001-11-06 2002-10-15 Fotodiodensensorarray mit mehrfachauflösung für eine optische kodiervorrichtung

Country Status (5)

Country Link
US (1) US6727493B2 (de)
EP (1) EP1308700B1 (de)
JP (1) JP4230195B2 (de)
CN (1) CN1252533C (de)
AT (1) ATE527522T1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6963064B2 (en) * 2002-06-14 2005-11-08 Pem Management, Inc. Multi-resolution reflective optical incremental encoder
DE102004019907A1 (de) * 2003-04-25 2005-01-13 Dr. Johannes Heidenhain Gmbh Positionsgebersystem
JP2005017116A (ja) * 2003-06-26 2005-01-20 Sharp Corp 光学式エンコーダ用受光素子
DE10338991A1 (de) * 2003-08-18 2005-03-17 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung
US20050238365A1 (en) * 2004-04-22 2005-10-27 Tan Boon K Optical encoder providing a wide range of resolutions
US7199354B2 (en) * 2004-08-26 2007-04-03 Dr. Johannes Heidenhain Gmbh Detector array for optical encoders
US20070024865A1 (en) * 2005-07-26 2007-02-01 Mitchell Donald K Optical encoder having slanted optical detector elements for harmonic suppression
US7552873B2 (en) * 2005-09-14 2009-06-30 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Transmissive optical encoder
US7469839B2 (en) * 2005-09-14 2008-12-30 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Reflective optical encoder
EP1914525B1 (de) * 2006-10-10 2019-01-02 Fagor, S.Coop. Konfigurierbare optoelektronische Einheit
DE102007050253A1 (de) 2007-10-20 2009-04-23 Dr. Johannes Heidenhain Gmbh Detektorelement-Array für eine optische Positionsmesseinrichtung
US8097842B2 (en) 2009-05-31 2012-01-17 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. High resolution single track optical encoder
JP5765968B2 (ja) 2011-02-28 2015-08-19 キヤノン株式会社 光学式エンコーダ
KR101341074B1 (ko) * 2012-01-10 2013-12-12 알에스오토메이션주식회사 인코더
CN103712643B (zh) * 2013-12-26 2015-12-16 南京埃斯顿自动化股份有限公司 一种编码器验证机构
US10551223B2 (en) * 2017-03-20 2020-02-04 Tt Electronics Plc Method and apparatus for configurable photodetector array patterning for optical encoders
US20190212172A1 (en) * 2018-01-09 2019-07-11 Tt Electronics Plc Absolute Optical Encoders Using Programmable Photodetector Array
US10612946B2 (en) * 2018-05-30 2020-04-07 Rockwell Automation Technologies, Inc. Encoder system for position determination with inclined scale
US10886932B2 (en) 2018-09-11 2021-01-05 Tt Electronics Plc Method and apparatus for alignment adjustment of encoder systems
US11378422B2 (en) * 2018-11-05 2022-07-05 Tt Electronics Plc Method and apparatus for improved performance in encoder systems by configuring a detector array using a partition map and assigning weights to output currents of the detector array
CN111289016A (zh) * 2018-12-10 2020-06-16 北京精雕科技集团有限公司 一种双分辨率增量式位置测量装置
CN112556733A (zh) * 2020-11-12 2021-03-26 北京华大云感科技有限公司 一种多解析度输出增量光电编码器和芯片和码盘

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2754422B2 (ja) * 1990-07-18 1998-05-20 株式会社ニコン アブソリュート・エンコーダ
DE4308462A1 (de) * 1993-03-17 1994-09-22 Vdo Schindling Anordnung zur Signalverarbeitung für Absolutwertsensoren mit periodischen Strukturen, insbesondere für Positions- und Winkelsensoren
DE4439693C2 (de) 1994-11-05 1997-04-24 Hengstler Gmbh Sensoreinheit für einen Drehgeber oder Lineargeber
US5920494A (en) 1997-01-10 1999-07-06 Renco Encoders, Inc. Method and device for varying interpolation factors
US5936236A (en) 1997-11-26 1999-08-10 Renco Encoders, Inc. Method for generating a synthetic reference signal for comparison with scanning signals of a position measuring device
US6175109B1 (en) 1998-12-16 2001-01-16 Renco Encoders, Inc. Encoder for providing incremental and absolute position data

Also Published As

Publication number Publication date
JP2003185474A (ja) 2003-07-03
JP4230195B2 (ja) 2009-02-25
CN1252533C (zh) 2006-04-19
CN1417633A (zh) 2003-05-14
EP1308700B1 (de) 2011-10-05
US6727493B2 (en) 2004-04-27
US20030085345A1 (en) 2003-05-08
EP1308700A3 (de) 2005-05-18
EP1308700A2 (de) 2003-05-07

Similar Documents

Publication Publication Date Title
ATE527522T1 (de) Fotodiodensensorarray mit mehrfachauflösung für eine optische kodiervorrichtung
US5965879A (en) Method and apparatus for ultra-high-sensitivity, incremental and absolute optical encoding
CN1975340B (zh) 具有正弦型光检测器输出信号的光学编码器
EP2866001B1 (de) Fotoelektrischer Codierer
US7378643B2 (en) Optical projection encoder with patterned mask
DK1079322T3 (da) Fremgangsmåde og anordning til identifikation og positionsbestemmelse af objekter
JPH0571984A (ja) 絶対位置測定装置
ATE398764T1 (de) Optische positionsmesseinrichtung
GB9807020D0 (en) A method of marking a mechanical element, an encoding scheme, a reading means for said marking and an apparatus for determining the position of said element
HK1073500A1 (en) Optical displacement sensor
US6907672B2 (en) System and method for measuring three-dimensional objects using displacements of elongate measuring members
US11105656B2 (en) Optical encoder using two different wavelengths to determine an absolute and incremental output for calculating a position
WO2003021194A3 (en) Reference point talbot encoder
JP3242194B2 (ja) プロセス方向における受光ベルトの速度測定方法
DE69725031D1 (de) Abtaster
JP2006029828A (ja) エンコーダ
WO2015099211A1 (ko) 3차원 카메라모듈
DE50015206D1 (de) Abtasteinheit für eine optische Positionsmesseinrichtung
AU3227399A (en) Optical symbol reading device
CN101763497A (zh) 图像读取装置
KR101941902B1 (ko) 삼각 측량 측정을 위한 측정 장치 및 방법
KR102027163B1 (ko) 삼각 측량 측정을 위한 측정 장치 및 방법
EP1221814A4 (de) Bildaufnahemvorrichtung und -element
JP2006266870A (ja) 位置検出装置
US20060227341A1 (en) Scanning unit for a position measuring system for the optical scanning of a scale and position measuring system utilizing such a scanning unit

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties