JP4743843B2 - 光学機器 - Google Patents

光学機器 Download PDF

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Publication number
JP4743843B2
JP4743843B2 JP2005076058A JP2005076058A JP4743843B2 JP 4743843 B2 JP4743843 B2 JP 4743843B2 JP 2005076058 A JP2005076058 A JP 2005076058A JP 2005076058 A JP2005076058 A JP 2005076058A JP 4743843 B2 JP4743843 B2 JP 4743843B2
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JP
Japan
Prior art keywords
lens unit
output signal
sensor
position sensor
signal
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
JP2005076058A
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English (en)
Japanese (ja)
Other versions
JP2006258586A (ja
JP2006258586A5 (enrdf_load_stackoverflow
Inventor
中村　　英和
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 JP2005076058A priority Critical patent/JP4743843B2/ja
Publication of JP2006258586A publication Critical patent/JP2006258586A/ja
Publication of JP2006258586A5 publication Critical patent/JP2006258586A5/ja
Application granted granted Critical
Publication of JP4743843B2 publication Critical patent/JP4743843B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Lens Barrels (AREA)
JP2005076058A 2005-03-16 2005-03-16 光学機器 Expired - Fee Related JP4743843B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005076058A JP4743843B2 (ja) 2005-03-16 2005-03-16 光学機器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005076058A JP4743843B2 (ja) 2005-03-16 2005-03-16 光学機器

Publications (3)

Publication Number Publication Date
JP2006258586A JP2006258586A (ja) 2006-09-28
JP2006258586A5 JP2006258586A5 (enrdf_load_stackoverflow) 2008-05-01
JP4743843B2 true JP4743843B2 (ja) 2011-08-10

Family

ID=37098021

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005076058A Expired - Fee Related JP4743843B2 (ja) 2005-03-16 2005-03-16 光学機器

Country Status (1)

Country Link
JP (1) JP4743843B2 (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5558788B2 (ja) 2009-11-16 2014-07-23 キヤノン株式会社 光学機器
JP5384320B2 (ja) * 2009-12-28 2014-01-08 富士フイルム株式会社 レンズ装置の位置検出装置
JP5789895B2 (ja) * 2011-08-05 2015-10-07 株式会社タムロン 位置検出ユニット、及びそれを備えたレンズユニット、カメラ、及びレンズユニットの製造方法、位置検出方法
JP2013044569A (ja) * 2011-08-22 2013-03-04 Sony Corp 位置検出装置、位置検出方法及び撮像装置
JP6071181B2 (ja) * 2011-10-14 2017-02-01 キヤノン株式会社 エンコーダおよびこれを備えた装置
JP2013156120A (ja) * 2012-01-30 2013-08-15 Canon Inc 位置検出装置およびレンズ鏡筒
JP6541392B2 (ja) * 2015-03-31 2019-07-10 キヤノン株式会社 フォーカス制御装置、光学機器およびフォーカス制御プログラム
JP7046596B2 (ja) * 2017-12-25 2022-04-04 キヤノン株式会社 レンズ鏡筒及び光学機器
JP7289733B2 (ja) * 2019-06-20 2023-06-12 キヤノン株式会社 位置検出装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10170211A (ja) * 1996-12-13 1998-06-26 Canon Inc 位置検出装置及びレンズ位置制御装置
JP2001241942A (ja) * 2000-02-25 2001-09-07 Alps Electric Co Ltd 回転角検出装置
JP3899821B2 (ja) * 2001-01-23 2007-03-28 松下電器産業株式会社 回転角度検出装置
JP2003214835A (ja) * 2002-01-17 2003-07-30 Nikon Corp 絶対位置検出装置とそれを搭載した顕微鏡

Also Published As

Publication number Publication date
JP2006258586A (ja) 2006-09-28

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