JP4750407B2 - 光学式エンコーダ - Google Patents

光学式エンコーダ Download PDF

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Publication number
JP4750407B2
JP4750407B2 JP2004363412A JP2004363412A JP4750407B2 JP 4750407 B2 JP4750407 B2 JP 4750407B2 JP 2004363412 A JP2004363412 A JP 2004363412A JP 2004363412 A JP2004363412 A JP 2004363412A JP 4750407 B2 JP4750407 B2 JP 4750407B2
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JP
Japan
Prior art keywords
reflective region
signal
circumferential direction
optical encoder
amount
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Expired - Fee Related
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JP2004363412A
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English (en)
Japanese (ja)
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JP2006170788A5 (enExample
JP2006170788A (ja
Inventor
博和 橋爪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Canon Precision Inc
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Canon Inc
Canon Precision Inc
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Application filed by Canon Inc, Canon Precision Inc filed Critical Canon Inc
Priority to JP2004363412A priority Critical patent/JP4750407B2/ja
Publication of JP2006170788A publication Critical patent/JP2006170788A/ja
Publication of JP2006170788A5 publication Critical patent/JP2006170788A5/ja
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JP2004363412A 2004-12-15 2004-12-15 光学式エンコーダ Expired - Fee Related JP4750407B2 (ja)

Priority Applications (1)

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JP2004363412A JP4750407B2 (ja) 2004-12-15 2004-12-15 光学式エンコーダ

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JP2004363412A JP4750407B2 (ja) 2004-12-15 2004-12-15 光学式エンコーダ

Publications (3)

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JP2006170788A JP2006170788A (ja) 2006-06-29
JP2006170788A5 JP2006170788A5 (enExample) 2008-02-07
JP4750407B2 true JP4750407B2 (ja) 2011-08-17

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JP2004363412A Expired - Fee Related JP4750407B2 (ja) 2004-12-15 2004-12-15 光学式エンコーダ

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103644927A (zh) * 2013-12-12 2014-03-19 刘万更 可调分辨率无级别光电绝对值编码器

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI229840B (en) * 2003-09-19 2005-03-21 Tatung Co Detachable flywheel device
JP2008083019A (ja) 2006-08-30 2008-04-10 Sharp Corp 光電式エンコーダおよびそれを用いた電子機器
US7507950B2 (en) 2006-11-09 2009-03-24 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Encoder with a combined position and index track
JP4324624B2 (ja) * 2007-05-29 2009-09-02 京セラミタ株式会社 液面検知装置
JP5439163B2 (ja) * 2009-12-25 2014-03-12 オリンパス株式会社 光学式信号出力装置の信号処理装置及び光学式変位検出装置
JP5595148B2 (ja) * 2010-07-05 2014-09-24 キヤノン株式会社 アブソリュートエンコーダ
JP5787513B2 (ja) * 2010-12-15 2015-09-30 キヤノン株式会社 アブソリュートロータリーエンコーダ
US8525102B2 (en) 2011-02-15 2013-09-03 Avago Technologies General Ip (Singapore) Pte. Ltd. Optical encoding system and optical encoder having an array of incremental photodiodes and an index photodiode for use in an optical encoding system
KR101461524B1 (ko) 2013-04-22 2014-11-13 알에스오토메이션주식회사 광학 인코더
JP2015049140A (ja) * 2013-09-02 2015-03-16 株式会社ニコン エンコーダ用スケール、エンコーダ、エンコーダの製造方法、駆動装置、及びロボット装置
JP5877212B2 (ja) 2014-01-10 2016-03-02 キヤノンプレシジョン株式会社 エンコーダ、エンコーダを用いた装置およびエンコーダ演算プログラム
JP7085754B2 (ja) * 2018-09-28 2022-06-17 帝国通信工業株式会社 光学式エンコーダ
JP6865915B1 (ja) * 2020-08-31 2021-04-28 三菱電機株式会社 アブソリュートエンコーダ
CN118089801A (zh) * 2022-12-30 2024-05-28 苏州汇川技术有限公司 一种狭缝部、光电编码器、伺服电机和伺服系统
CN118583202B (zh) * 2024-08-05 2024-10-29 宁波升谱光电股份有限公司 一种编码器和检测系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59226822A (ja) * 1983-06-07 1984-12-20 Matsushita Electric Works Ltd ロ−タリエンコ−ダ
JPH0285717A (ja) * 1988-09-22 1990-03-27 Canon Inc エンコーダ
JPH03189563A (ja) * 1989-12-20 1991-08-19 Mitsutoyo Corp 光学式速度センサー及び光学式位置センサー

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103644927A (zh) * 2013-12-12 2014-03-19 刘万更 可调分辨率无级别光电绝对值编码器
CN103644927B (zh) * 2013-12-12 2016-01-13 刘万更 可调分辨率无级别光电绝对值编码器

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Publication number Publication date
JP2006170788A (ja) 2006-06-29

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