JP2006003126A5 - - Google Patents

Download PDF

Info

Publication number
JP2006003126A5
JP2006003126A5 JP2004177407A JP2004177407A JP2006003126A5 JP 2006003126 A5 JP2006003126 A5 JP 2006003126A5 JP 2004177407 A JP2004177407 A JP 2004177407A JP 2004177407 A JP2004177407 A JP 2004177407A JP 2006003126 A5 JP2006003126 A5 JP 2006003126A5
Authority
JP
Japan
Prior art keywords
amplitude
detecting
optical
change
optical encoder
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
Application number
JP2004177407A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006003126A (ja
JP4498024B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2004177407A priority Critical patent/JP4498024B2/ja
Priority claimed from JP2004177407A external-priority patent/JP4498024B2/ja
Priority to US11/152,412 priority patent/US7348544B2/en
Priority to CN2005100779524A priority patent/CN1712902B/zh
Publication of JP2006003126A publication Critical patent/JP2006003126A/ja
Publication of JP2006003126A5 publication Critical patent/JP2006003126A5/ja
Application granted granted Critical
Publication of JP4498024B2 publication Critical patent/JP4498024B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP2004177407A 2004-06-15 2004-06-15 光学式エンコーダ Expired - Fee Related JP4498024B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2004177407A JP4498024B2 (ja) 2004-06-15 2004-06-15 光学式エンコーダ
US11/152,412 US7348544B2 (en) 2004-06-15 2005-06-14 Optical encoder with discontinuous optical grating
CN2005100779524A CN1712902B (zh) 2004-06-15 2005-06-15 光学编码器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004177407A JP4498024B2 (ja) 2004-06-15 2004-06-15 光学式エンコーダ

Publications (3)

Publication Number Publication Date
JP2006003126A JP2006003126A (ja) 2006-01-05
JP2006003126A5 true JP2006003126A5 (https=) 2007-07-26
JP4498024B2 JP4498024B2 (ja) 2010-07-07

Family

ID=35459538

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004177407A Expired - Fee Related JP4498024B2 (ja) 2004-06-15 2004-06-15 光学式エンコーダ

Country Status (3)

Country Link
US (1) US7348544B2 (https=)
JP (1) JP4498024B2 (https=)
CN (1) CN1712902B (https=)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4908764B2 (ja) * 2005-02-04 2012-04-04 キヤノン株式会社 光学式エンコーダ
JP4869628B2 (ja) * 2005-05-26 2012-02-08 オリンパス株式会社 光学式エンコーダ
JP2008028025A (ja) * 2006-07-19 2008-02-07 Canon Inc 反射型センサ
JP4928206B2 (ja) * 2006-09-22 2012-05-09 キヤノン株式会社 エンコーダ
EP2115543B1 (en) * 2007-01-11 2012-10-31 3M Innovative Properties Company Web longitudinal position sensor
KR20100049540A (ko) * 2007-06-19 2010-05-12 쓰리엠 이노베이티브 프로퍼티즈 컴파니 내부 전반사 변위 스케일
WO2008157588A2 (en) * 2007-06-19 2008-12-24 3M Innovative Properties Company Systems and methods for fabricating displacement scales
EP2167411B1 (en) * 2007-06-19 2016-08-10 3M Innovative Properties Company Systems and methods for indicating the position of a web
US7973941B2 (en) * 2007-07-24 2011-07-05 Mitutoyo Corporation Reference signal generating configuration for an interferometric miniature grating encoder readhead using fiber optic receiver channels
US7965393B2 (en) 2007-07-24 2011-06-21 Mitutoyo Corporation Reference signal generating configuration for an interferometric miniature grating encoder readhead using fiber optic receiver channels
US7732754B2 (en) * 2008-04-30 2010-06-08 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Optical encoder with amplitude correction
US7709784B2 (en) 2008-04-30 2010-05-04 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Optical encoder with code wheel misalignment detection and automatic gain control
US7834310B2 (en) * 2008-06-23 2010-11-16 Xerox Corporation Position encoder's signal processing method and system
JP5113000B2 (ja) * 2008-09-19 2013-01-09 株式会社ミツトヨ 光電式エンコーダ
EP2380067B1 (en) 2008-12-29 2019-06-26 3M Innovative Properties Company Method and system for determining a longitudinal position of an elongated web
WO2010077719A2 (en) 2008-12-30 2010-07-08 3M Innovative Properties Company Apparatus and method for making fiducials on a substrate
JP5887064B2 (ja) * 2010-04-28 2016-03-16 株式会社ミツトヨ 光学式エンコーダ
EP2386832B1 (en) * 2010-05-10 2017-04-12 Mitutoyo Corporation Photoelectric encoder
JP5479255B2 (ja) * 2010-07-20 2014-04-23 キヤノン株式会社 光学式エンコーダ
JP2014098666A (ja) * 2012-11-15 2014-05-29 Canon Inc インクリメンタルエンコーダ
JP6625236B2 (ja) * 2016-10-25 2019-12-25 三菱電機株式会社 インクリメンタル型エンコーダのパルス化変換装置およびパルス化変換方法
DE112021008372T5 (de) * 2021-12-20 2024-09-12 Fanuc Corporation Steuervorrichtung für Roboter mit Mastering durch Drehmoment- oder Kraftsteuerung

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0656304B2 (ja) 1989-09-05 1994-07-27 株式会社ミツトヨ 光電型エンコーダ
US5291133A (en) * 1992-08-24 1994-03-01 General Motors Corporation Multi-bit encoder signal conditioning circuit having common mode disturbance compensation
JP3530573B2 (ja) * 1994-04-27 2004-05-24 キヤノン株式会社 光学式変位センサ
JP3465483B2 (ja) 1996-06-26 2003-11-10 ミノルタ株式会社 エンコーダ装置
US6201239B1 (en) * 1997-01-21 2001-03-13 Olympus Optical Co., Ltd. Optical encoder
US5929789A (en) 1997-04-09 1999-07-27 Hewlett-Packrd Company Single channel incremental position encorder with incorporated reference mark
JPH10288538A (ja) * 1997-04-16 1998-10-27 Sony Corp オフセット調整方法
DE59806597D1 (de) * 1997-08-07 2003-01-23 Heidenhain Gmbh Dr Johannes Abtasteinheit für eine optische Positionsmesseinrichtung
US6043483A (en) * 1997-12-29 2000-03-28 Radica China Limited Apparatus and method using an indexed-encoder to sense the absolute position of an object with a single set of optics
EP1003012B3 (de) * 1998-11-19 2011-04-20 Dr. Johannes Heidenhain GmbH Optische Positionsmesseinrichtung
US6396052B1 (en) * 2000-04-07 2002-05-28 Lexmark International, Inc. High precision analog encoder system
JP2001317963A (ja) * 2000-05-09 2001-11-16 Olympus Optical Co Ltd 光学式エンコーダ
US6713756B2 (en) * 2000-05-09 2004-03-30 Olympus Corporation Optical encoder and optical rotary encoder
JP4280447B2 (ja) 2001-02-20 2009-06-17 キヤノン株式会社 反射スケールおよびそれを用いた変位検出装置
US6660997B2 (en) * 2001-04-26 2003-12-09 Creo Srl Absolute position Moiré type encoder for use in a control system
JP2003161645A (ja) 2001-11-28 2003-06-06 Canon Inc 光学式エンコーダ
JP4208483B2 (ja) * 2002-05-21 2009-01-14 キヤノン株式会社 光学式エンコーダ
US7312437B2 (en) * 2002-07-02 2007-12-25 Olympus Corporation Displacement sensor, method for detecting the optimal reference position, and method for judging stability of detecting the reference position of displacement sensor
US20040262502A1 (en) * 2003-06-26 2004-12-30 Xerox Corporation Position encoder
US20050109924A1 (en) * 2003-11-26 2005-05-26 David Christenson Apparatus for encoding and indexing
DE602005002287T2 (de) * 2004-03-17 2008-05-29 Canon K.K. Optischer Encoder

Similar Documents

Publication Publication Date Title
JP2006003126A5 (https=)
US8890057B2 (en) Optical position-measuring device
JP4498024B2 (ja) 光学式エンコーダ
US7425697B2 (en) Origin detection method for optical encoder
US20160116305A1 (en) Displacement measurement device and displacement measurement method
JP2018530751A (ja) エンコーダ装置
JPH0131127B2 (https=)
US20070018086A1 (en) Optical Encoder
JP2000180213A5 (https=)
JP2003042810A5 (https=)
WO2008043614A3 (de) Messelement mit einer als massverkörperung fungierenden spur und korrespondierendes, mit einem solchen messelement ausführbares messverfahren
US20050263689A1 (en) Optical encoder
EP2386832B1 (en) Photoelectric encoder
JP2008076284A5 (https=)
JP4908764B2 (ja) 光学式エンコーダ
TW200606402A (en) Encoder
JP2006214929A5 (https=)
US9250103B2 (en) Optical rotary encoder with correction method reducing variation of a distance between a rotation body and a light receiving unit
TW200732631A (en) Optical absolute value encoder
JP4445498B2 (ja) 透過型光学エンコーダ
DE50211460D1 (de) Optische positionsmesseinrichtung
JP2005291980A5 (https=)
JP2014106210A (ja) アブソリュートエンコーダ及び絶対位置を求める方法
JP2005265512A (ja) 光学式エンコーダ
JPH0733134Y2 (ja) 光学式変位検出装置