JP2012181020A5 - - Google Patents

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Publication number
JP2012181020A5
JP2012181020A5 JP2011042074A JP2011042074A JP2012181020A5 JP 2012181020 A5 JP2012181020 A5 JP 2012181020A5 JP 2011042074 A JP2011042074 A JP 2011042074A JP 2011042074 A JP2011042074 A JP 2011042074A JP 2012181020 A5 JP2012181020 A5 JP 2012181020A5
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JP
Japan
Prior art keywords
position detection
note
input
low
photodiode array
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
JP2011042074A
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English (en)
Japanese (ja)
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JP2012181020A (ja
JP5765968B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from JP2011042074A external-priority patent/JP5765968B2/ja
Priority to JP2011042074A priority Critical patent/JP5765968B2/ja
Priority to US13/370,560 priority patent/US8993954B2/en
Priority to KR1020120016891A priority patent/KR101392686B1/ko
Priority to CN201210043088.6A priority patent/CN102650536B/zh
Priority to EP12157074.1A priority patent/EP2492648B1/en
Publication of JP2012181020A publication Critical patent/JP2012181020A/ja
Publication of JP2012181020A5 publication Critical patent/JP2012181020A5/ja
Publication of JP5765968B2 publication Critical patent/JP5765968B2/ja
Application granted granted Critical
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2011042074A 2011-02-28 2011-02-28 光学式エンコーダ Active JP5765968B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2011042074A JP5765968B2 (ja) 2011-02-28 2011-02-28 光学式エンコーダ
US13/370,560 US8993954B2 (en) 2011-02-28 2012-02-10 Optical encoder having a high resolution detection mode to detect a fine pitch pattern and a low resolution detection mode to detect a coarse pitch pattern
KR1020120016891A KR101392686B1 (ko) 2011-02-28 2012-02-20 광학식 인코더
CN201210043088.6A CN102650536B (zh) 2011-02-28 2012-02-23 光学编码器
EP12157074.1A EP2492648B1 (en) 2011-02-28 2012-02-27 Optical encoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011042074A JP5765968B2 (ja) 2011-02-28 2011-02-28 光学式エンコーダ

Publications (3)

Publication Number Publication Date
JP2012181020A JP2012181020A (ja) 2012-09-20
JP2012181020A5 true JP2012181020A5 (OSRAM) 2014-03-27
JP5765968B2 JP5765968B2 (ja) 2015-08-19

Family

ID=45688379

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011042074A Active JP5765968B2 (ja) 2011-02-28 2011-02-28 光学式エンコーダ

Country Status (5)

Country Link
US (1) US8993954B2 (OSRAM)
EP (1) EP2492648B1 (OSRAM)
JP (1) JP5765968B2 (OSRAM)
KR (1) KR101392686B1 (OSRAM)
CN (1) CN102650536B (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103196915B (zh) * 2013-02-26 2015-05-27 无锡微焦科技有限公司 一种物体探测系统
JP6359254B2 (ja) * 2013-09-03 2018-07-18 株式会社ミツトヨ 光電式エンコーダ
US9726524B2 (en) 2014-10-09 2017-08-08 Raytheon Company Optical position encoder
JP6486097B2 (ja) * 2014-12-19 2019-03-20 キヤノン株式会社 位置検出装置、レンズ装置、撮像システム、工作装置、位置検出方法、プログラム、および、記憶媒体
JP7058935B2 (ja) * 2016-09-12 2022-04-25 株式会社ミツトヨ 光電式エンコーダ
CN109990676A (zh) * 2019-04-28 2019-07-09 深圳市度彼电子有限公司 一种电子卷尺
CN111750795A (zh) * 2020-06-18 2020-10-09 哈尔滨工程大学 一种分布式蠕变测量系统及测量方法

Family Cites Families (26)

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Publication number Priority date Publication date Assignee Title
JPH0729459Y2 (ja) * 1986-12-29 1995-07-05 山洋電気株式会社 光電形エンコ−ダ
JP2749107B2 (ja) * 1989-03-20 1998-05-13 株式会社日立製作所 光ヘッド
JPH06341859A (ja) * 1993-06-02 1994-12-13 Copal Co Ltd 光学式ｓｉｎ／ｃｏｓ関数出力ポテンショメータ
JPH06341858A (ja) * 1993-06-02 1994-12-13 Copal Co Ltd 光学式変位検出装置
JPH0868667A (ja) 1994-08-30 1996-03-12 Canon Inc 光学式エンコーダ装置
JPH09145408A (ja) * 1995-11-22 1997-06-06 Konica Corp エンコーダ装置
JP3542226B2 (ja) * 1996-02-28 2004-07-14 日本電産コパル株式会社 光学式ポテンショメータ
JPH11287671A (ja) * 1998-04-01 1999-10-19 Fanuc Ltd 光学式エンコーダ
JP2001146623A (ja) 1999-11-24 2001-05-29 Tanizawa Seisakusho Ltd ヘルメット
DE19962278A1 (de) 1999-12-23 2001-08-02 Heidenhain Gmbh Dr Johannes Positionsmeßeinrichtung
JP2002296075A (ja) * 2001-04-02 2002-10-09 Canon Inc 光学式エンコーダ
US6727493B2 (en) 2001-11-06 2004-04-27 Renco Incoders, Inc. Multiple resolution photodiode sensor array for an optical encoder
CN2521583Y (zh) 2001-12-05 2002-11-20 台湾艾华电子工业股份有限公司 光学编码器
DE10244234A1 (de) 2002-09-23 2004-03-25 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung
JP2004219380A (ja) 2003-01-17 2004-08-05 Mitsutoyo Corp 光電式エンコーダ
JP2005017116A (ja) * 2003-06-26 2005-01-20 Sharp Corp 光学式エンコーダ用受光素子
JP4520121B2 (ja) 2003-08-08 2010-08-04 シャープ株式会社 光学式エンコーダ
DE602005002287T2 (de) 2004-03-17 2008-05-29 Canon K.K. Optischer Encoder
JP4416560B2 (ja) * 2004-04-09 2010-02-17 株式会社ミツトヨ 光学式変位測定装置
JP2006023220A (ja) * 2004-07-09 2006-01-26 Nidec Copal Corp ロータリーエンコーダ
US7199354B2 (en) * 2004-08-26 2007-04-03 Dr. Johannes Heidenhain Gmbh Detector array for optical encoders
JP2008076064A (ja) 2006-09-19 2008-04-03 Olympus Corp 光学式エンコーダの信号処理回路
US7679533B2 (en) 2007-10-02 2010-03-16 Renco Encoders Inc. Photodiode array for an optical encoder, photodiode detection system, and optical encoder
JP2009198318A (ja) 2008-02-21 2009-09-03 Mitsutoyo Corp 光電式エンコーダ
DE102009022766A1 (de) * 2008-05-30 2009-12-10 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Auflösungseinstellbarer optischer Kodierer
US7608813B1 (en) 2008-11-18 2009-10-27 Mitutoyo Corporation Scale track configuration for absolute optical encoder including a detector electronics with plurality of track detector portions

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