JPH10318790A5 - - Google Patents

Info

Publication number
JPH10318790A5
JPH10318790A5 JP1998091779A JP9177998A JPH10318790A5 JP H10318790 A5 JPH10318790 A5 JP H10318790A5 JP 1998091779 A JP1998091779 A JP 1998091779A JP 9177998 A JP9177998 A JP 9177998A JP H10318790 A5 JPH10318790 A5 JP H10318790A5
Authority
JP
Japan
Prior art keywords
opacity
incremental
predetermined
encoder system
position 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
JP1998091779A
Other languages
English (en)
Japanese (ja)
Other versions
JP3734205B2 (ja
JPH10318790A (ja
Filing date
Publication date
Priority claimed from US08/840,079 external-priority patent/US5929789A/en
Application filed filed Critical
Publication of JPH10318790A publication Critical patent/JPH10318790A/ja
Publication of JPH10318790A5 publication Critical patent/JPH10318790A5/ja
Application granted granted Critical
Publication of JP3734205B2 publication Critical patent/JP3734205B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP09177998A 1997-04-09 1998-04-03 位置エンコーダ Expired - Fee Related JP3734205B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/840,079 US5929789A (en) 1997-04-09 1997-04-09 Single channel incremental position encorder with incorporated reference mark
US840,079 1997-04-09

Publications (3)

Publication Number Publication Date
JPH10318790A JPH10318790A (ja) 1998-12-04
JPH10318790A5 true JPH10318790A5 (enExample) 2005-04-07
JP3734205B2 JP3734205B2 (ja) 2006-01-11

Family

ID=25281398

Family Applications (1)

Application Number Title Priority Date Filing Date
JP09177998A Expired - Fee Related JP3734205B2 (ja) 1997-04-09 1998-04-03 位置エンコーダ

Country Status (4)

Country Link
US (1) US5929789A (enExample)
EP (1) EP0871013B2 (enExample)
JP (1) JP3734205B2 (enExample)
DE (1) DE69815919T3 (enExample)

Families Citing this family (36)

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US6666375B1 (en) 2000-04-05 2003-12-23 Hewlett-Packard Development Company, L.P. Rotary encoders
DE10048169B4 (de) * 2000-09-28 2006-08-31 Siemens Ag Drehwinkelgeber, Einspritzanlage und zugehöriges Betriebsverfahren
US6940618B2 (en) 2000-11-29 2005-09-06 Hewlett-Packard Development Company, L.P. Linefeed calibration method for a printer
GB0109057D0 (en) 2001-04-11 2001-05-30 Renishaw Plc Absolute postition measurement
US6653616B2 (en) * 2002-01-11 2003-11-25 Alcor Micro, Corp. Device for processing output signals from a photo-diode
US20040262503A1 (en) * 2003-06-26 2004-12-30 Xerox Corporation Position encoder
US20040262502A1 (en) * 2003-06-26 2004-12-30 Xerox Corporation Position encoder
US6972403B2 (en) * 2003-06-26 2005-12-06 Xerox Corporation Position encoder
US7129858B2 (en) * 2003-10-10 2006-10-31 Hewlett-Packard Development Company, L.P. Encoding system
KR100636140B1 (ko) * 2004-04-30 2006-10-18 삼성전자주식회사 인코더를 이용한 열전사헤드와 모터의 제어방법 및 장치
US7281339B2 (en) * 2004-05-06 2007-10-16 Universal Instruments Corporation Encoder system
JP2005337843A (ja) * 2004-05-26 2005-12-08 Canon Inc 光学式エンコーダ
JP4498024B2 (ja) * 2004-06-15 2010-07-07 キヤノン株式会社 光学式エンコーダ
EP1619477A2 (en) * 2004-06-25 2006-01-25 Fanuc Ltd Linear encoder
US7401878B2 (en) * 2004-09-30 2008-07-22 Lexmark International, Inc. Print media detection in an imaging apparatus
JP4632423B2 (ja) * 2005-01-12 2011-02-16 キヤノン株式会社 位置制御装置、位置制御方法及び光学装置
US7521669B2 (en) * 2006-06-02 2009-04-21 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Multi-bit absolute position optical encoder with reduced number of tracks
JP4928206B2 (ja) * 2006-09-22 2012-05-09 キヤノン株式会社 エンコーダ
US7400269B2 (en) * 2006-11-09 2008-07-15 Avago Technologies Ecbu Ip Pte Ltd Coding element with integrated limit switch
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
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
GB0720972D0 (en) * 2007-10-25 2007-12-05 Renishaw Plc Magnetic encoder
US7834310B2 (en) * 2008-06-23 2010-11-16 Xerox Corporation Position encoder's signal processing method and system
US7934657B2 (en) * 2008-06-25 2011-05-03 Xerox Corporation Encoder home position sensing method and system
JP5762311B2 (ja) 2009-01-27 2015-08-12 レニショウ パブリック リミテッド カンパニーＲｅｎｉｓｈａｗ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ 磁気エンコーダ装置
US8188420B2 (en) * 2009-11-14 2012-05-29 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. High resolution optical encoder systems having a set of light detecting elements each comprising a pair of complementary detectors (as amended)
EP2386832B1 (en) 2010-05-10 2017-04-12 Mitutoyo Corporation Photoelectric encoder
TWI433803B (zh) * 2010-09-28 2014-04-11 Inst Nuclear Energy Res Atomic Energy Council 輔助進料機構
DE102011078717A1 (de) * 2011-07-06 2013-01-10 Continental Teves Ag & Co. Ohg Einrichtung zur Messung von Winkel und Winkelgeschwindigkeit oder Weg und Geschwindigkeit
JP6004626B2 (ja) 2011-10-12 2016-10-12 キヤノン株式会社 エンコーダシステム、位置検出機能付き装置、および、複写機
JP5717787B2 (ja) * 2013-05-09 2015-05-13 Thk株式会社 リニアエンコーダ装置、及び基準位置検出方法
JP6108988B2 (ja) * 2013-06-29 2017-04-05 株式会社東京精密 エンコーダ
US10119842B1 (en) 2014-08-05 2018-11-06 X Development Llc Encoder design and use
US9261893B1 (en) 2014-09-17 2016-02-16 Google Inc. Encoder update by using regenerative power
JP6749185B2 (ja) * 2016-09-06 2020-09-02 東日本旅客鉄道株式会社 風向測定装置

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Publication number Priority date Publication date Assignee Title
US4360769A (en) * 1979-09-07 1982-11-23 Honeywell Inc. Optical counting motor shaft positioner
JPS5744813A (en) * 1980-08-31 1982-03-13 Fujitsu Ltd Signal level detecting circuit
DE3035012C2 (de) * 1980-09-17 1982-08-12 Fa. Carl Zeiss, 7920 Heidenheim Einrichtung zur Winkelmessung
US4564909A (en) * 1983-10-31 1986-01-14 The Brunton Company Error sensing system for vessels with absolute zero referencing
JPS60120217A (ja) * 1983-12-02 1985-06-27 Mitsutoyo Mfg Co Ltd 光電式変位検出装置
JPS60164212A (ja) * 1984-02-07 1985-08-27 Victor Co Of Japan Ltd ロ−タリ−エンコ−ダ
EP0303676B1 (en) * 1987-02-24 1991-03-20 Renishaw plc Scales for position determining apparatus
US4786803A (en) * 1987-06-01 1988-11-22 Hewlett-Packard Company Single channel encoder with specific scale support structure
US4789874A (en) * 1987-07-23 1988-12-06 Hewlett-Packard Company Single channel encoder system
US4866269A (en) † 1988-05-19 1989-09-12 General Motors Corporation Optical shaft position and speed sensor
US4866268A (en) * 1988-05-20 1989-09-12 General Motors Corporation Optical fast synchronization shaft position and speed sensor
US5168364A (en) * 1988-11-30 1992-12-01 Canon Kabushiki Kaisha Image sensing apparatus
JPH0695027B2 (ja) * 1989-10-26 1994-11-24 株式会社オプテックディディ・メルコ・ラボラトリー 光ロータリーエンコーダ
US5206645A (en) * 1991-10-28 1993-04-27 Xerox Corporation Single channel encoder
US5426457A (en) * 1993-04-30 1995-06-20 Hewlett-Packard Company Direction-independent encoder reading; position leading and delay, and uncertainty to improve bidirectional printing
US5457371A (en) * 1993-08-17 1995-10-10 Hewlett Packard Company Binary locally-initializing incremental encoder
JPH09145408A (ja) * 1995-11-22 1997-06-06 Konica Corp エンコーダ装置

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