JP4773621B2 - 光学装置 - Google Patents

光学装置 Download PDF

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Publication number
JP4773621B2
JP4773621B2 JP2001012298A JP2001012298A JP4773621B2 JP 4773621 B2 JP4773621 B2 JP 4773621B2 JP 2001012298 A JP2001012298 A JP 2001012298A JP 2001012298 A JP2001012298 A JP 2001012298A JP 4773621 B2 JP4773621 B2 JP 4773621B2
Authority
JP
Japan
Prior art keywords
encoder magnet
movable member
encoder
magnet
magnetized surface
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.)
Expired - Fee Related
Application number
JP2001012298A
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English (en)
Japanese (ja)
Other versions
JP2002214501A5 (enExample
JP2002214501A (ja
Inventor
雅彦 都築
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
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2001012298A priority Critical patent/JP4773621B2/ja
Publication of JP2002214501A publication Critical patent/JP2002214501A/ja
Publication of JP2002214501A5 publication Critical patent/JP2002214501A5/ja
Application granted granted Critical
Publication of JP4773621B2 publication Critical patent/JP4773621B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Focusing (AREA)
  • Lens Barrels (AREA)
JP2001012298A 2001-01-19 2001-01-19 光学装置 Expired - Fee Related JP4773621B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001012298A JP4773621B2 (ja) 2001-01-19 2001-01-19 光学装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001012298A JP4773621B2 (ja) 2001-01-19 2001-01-19 光学装置

Publications (3)

Publication Number Publication Date
JP2002214501A JP2002214501A (ja) 2002-07-31
JP2002214501A5 JP2002214501A5 (enExample) 2008-03-06
JP4773621B2 true JP4773621B2 (ja) 2011-09-14

Family

ID=18879328

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001012298A Expired - Fee Related JP4773621B2 (ja) 2001-01-19 2001-01-19 光学装置

Country Status (1)

Country Link
JP (1) JP4773621B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130052754A (ko) * 2011-09-01 2013-05-23 삼성전자주식회사 위치 검출 장치 및 이를 구비한 경통 조립체

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7321726B2 (en) 2003-12-26 2008-01-22 Kyocera Corporation Camera module and portable terminal equipped with the camera module
JP4603809B2 (ja) * 2004-03-19 2010-12-22 キヤノン株式会社 検出装置および光学装置
JP5483516B2 (ja) * 2006-09-20 2014-05-07 旭化成エレクトロニクス株式会社 位置検出装置、位置検出装置を有する光学系と撮像装置
JP2012103571A (ja) * 2010-11-12 2012-05-31 Canon Inc 位置検出装置およびそれを有する光学機器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62160321U (enExample) * 1986-03-31 1987-10-12
JPH0620963Y2 (ja) * 1988-03-16 1994-06-01 株式会社緑測器 無接触形角度センサ
JP3259316B2 (ja) * 1992-02-07 2002-02-25 ソニー株式会社 位置検出装置、レンズ装置、ビデオカメラ
JP3043529B2 (ja) * 1992-10-08 2000-05-22 愛三工業株式会社 回転角度センサ
JP3240845B2 (ja) * 1994-07-15 2001-12-25 ミノルタ株式会社 レンズ装置における光学素子位置検出装置
JP3352260B2 (ja) * 1994-12-27 2002-12-03 キヤノン株式会社 レンズ駆動装置
JPH1144746A (ja) * 1997-07-25 1999-02-16 Matsushita Electric Ind Co Ltd 磁気センサおよびその取付方法
JP3511898B2 (ja) * 1998-06-15 2004-03-29 松下電器産業株式会社 位置検出装置およびレンズ鏡筒
JP2000337810A (ja) * 1999-05-28 2000-12-08 Nippon Seiki Co Ltd 移動物体検出装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130052754A (ko) * 2011-09-01 2013-05-23 삼성전자주식회사 위치 검출 장치 및 이를 구비한 경통 조립체

Also Published As

Publication number Publication date
JP2002214501A (ja) 2002-07-31

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