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
- Authority
- 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
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Description
なお、低分解能検出モード時に位置検出に用いられないフォトダイオードアレイ9の未使用のセンサは位置検出用の初段増幅器には入力されない。
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 (ja) | 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 (ja) |
EP (1) | EP2492648B1 (ja) |
JP (1) | JP5765968B2 (ja) |
KR (1) | KR101392686B1 (ja) |
CN (1) | CN102650536B (ja) |
Families Citing this family (7)
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)
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 |
JPH06341858A (ja) * | 1993-06-02 | 1994-12-13 | Copal Co Ltd | 光学式変位検出装置 |
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 |
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 |
EP1577645B1 (en) | 2004-03-17 | 2007-09-05 | Canon Kabushiki Kaisha | Optical 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 |
-
2011
- 2011-02-28 JP JP2011042074A patent/JP5765968B2/ja active Active
-
2012
- 2012-02-10 US US13/370,560 patent/US8993954B2/en not_active Expired - Fee Related
- 2012-02-20 KR KR1020120016891A patent/KR101392686B1/ko active IP Right Grant
- 2012-02-23 CN CN201210043088.6A patent/CN102650536B/zh not_active Expired - Fee Related
- 2012-02-27 EP EP12157074.1A patent/EP2492648B1/en not_active Not-in-force
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