JP2019056593A5 - - Google Patents

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Publication number
JP2019056593A5
JP2019056593A5 JP2017180188A JP2017180188A JP2019056593A5 JP 2019056593 A5 JP2019056593 A5 JP 2019056593A5 JP 2017180188 A JP2017180188 A JP 2017180188A JP 2017180188 A JP2017180188 A JP 2017180188A JP 2019056593 A5 JP2019056593 A5 JP 2019056593A5
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JP
Japan
Prior art keywords
rotation
detection
rotation angle
elements
scale
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JP2017180188A
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English (en)
Japanese (ja)
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JP2019056593A (ja
JP7005247B2 (ja
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Priority to JP2017180188A priority Critical patent/JP7005247B2/ja
Priority claimed from JP2017180188A external-priority patent/JP7005247B2/ja
Priority to US16/131,626 priority patent/US10914613B2/en
Publication of JP2019056593A publication Critical patent/JP2019056593A/ja
Publication of JP2019056593A5 publication Critical patent/JP2019056593A5/ja
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JP2017180188A 2017-09-20 2017-09-20 回転角度検出装置及び電子機器 Active JP7005247B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017180188A JP7005247B2 (ja) 2017-09-20 2017-09-20 回転角度検出装置及び電子機器
US16/131,626 US10914613B2 (en) 2017-09-20 2018-09-14 Rotation angle detection device and electronic apparatus using this comprising plural rotation detection elements respectively detecting radially outer scale and radially inner scale of a rotation detection target

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017180188A JP7005247B2 (ja) 2017-09-20 2017-09-20 回転角度検出装置及び電子機器

Publications (3)

Publication Number Publication Date
JP2019056593A JP2019056593A (ja) 2019-04-11
JP2019056593A5 true JP2019056593A5 (https=) 2020-11-12
JP7005247B2 JP7005247B2 (ja) 2022-01-21

Family

ID=65720118

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017180188A Active JP7005247B2 (ja) 2017-09-20 2017-09-20 回転角度検出装置及び電子機器

Country Status (2)

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US (1) US10914613B2 (https=)
JP (1) JP7005247B2 (https=)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4878959A (https=) * 1972-01-22 1973-10-23
JPH0545179A (ja) 1991-08-15 1993-02-23 Olympus Optical Co Ltd ズームエンコーダ
JP3160372B2 (ja) * 1992-06-30 2001-04-25 株式会社東海理化電機製作所 回転角検出装置
JPH06137898A (ja) * 1992-10-23 1994-05-20 Honda Motor Co Ltd 光学式エンコーダ
JPH07218797A (ja) * 1994-02-01 1995-08-18 Nikon Corp レンズ鏡筒
JPH08201112A (ja) * 1995-01-25 1996-08-09 Minolta Co Ltd 操作位置信号発生装置
US6268601B1 (en) * 1998-12-02 2001-07-31 Honeywell International Inc. Apparatus for determing the position of a rotating shaft
JP2007033100A (ja) * 2005-07-25 2007-02-08 Pulstec Industrial Co Ltd 光学式位置検出装置
JP2007271532A (ja) * 2006-03-31 2007-10-18 Japan Aviation Electronics Industry Ltd ロータリエンコーダ
JP2006220669A (ja) * 2006-05-12 2006-08-24 Aisin Aw Co Ltd 回転角度検出センサーの故障検出装置
JP2010134221A (ja) * 2008-12-05 2010-06-17 Canon Inc 回転ダイヤルにおける回転子の位置検出装置
JP5566061B2 (ja) * 2009-07-31 2014-08-06 オリンパス株式会社 光学式変位検出装置
JP5715023B2 (ja) 2011-10-12 2015-05-07 旭化成エレクトロニクス株式会社 位置検出装置及び位置検出方法並びにそれを用いた電子機器
JP5935784B2 (ja) * 2013-11-14 2016-06-15 株式会社デンソー モータ制御装置

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