JP4643191B2 - 一眼レフカメラのクイックリターン機構 - Google Patents

一眼レフカメラのクイックリターン機構 Download PDF

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Publication number
JP4643191B2
JP4643191B2 JP2004207948A JP2004207948A JP4643191B2 JP 4643191 B2 JP4643191 B2 JP 4643191B2 JP 2004207948 A JP2004207948 A JP 2004207948A JP 2004207948 A JP2004207948 A JP 2004207948A JP 4643191 B2 JP4643191 B2 JP 4643191B2
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JP
Japan
Prior art keywords
mirror
crank arm
observation position
shaft
mirror unit
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
JP2004207948A
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English (en)
Japanese (ja)
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JP2006030498A5 (enExample
JP2006030498A (ja
Inventor
秀行 武澤
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.)
Sigma Inc
Original Assignee
Sigma 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.)
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Publication date
Application filed by Sigma Inc filed Critical Sigma Inc
Priority to JP2004207948A priority Critical patent/JP4643191B2/ja
Publication of JP2006030498A publication Critical patent/JP2006030498A/ja
Publication of JP2006030498A5 publication Critical patent/JP2006030498A5/ja
Application granted granted Critical
Publication of JP4643191B2 publication Critical patent/JP4643191B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2004207948A 2004-07-15 2004-07-15 一眼レフカメラのクイックリターン機構 Expired - Fee Related JP4643191B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004207948A JP4643191B2 (ja) 2004-07-15 2004-07-15 一眼レフカメラのクイックリターン機構

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004207948A JP4643191B2 (ja) 2004-07-15 2004-07-15 一眼レフカメラのクイックリターン機構

Publications (3)

Publication Number Publication Date
JP2006030498A JP2006030498A (ja) 2006-02-02
JP2006030498A5 JP2006030498A5 (enExample) 2007-08-02
JP4643191B2 true JP4643191B2 (ja) 2011-03-02

Family

ID=35896949

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004207948A Expired - Fee Related JP4643191B2 (ja) 2004-07-15 2004-07-15 一眼レフカメラのクイックリターン機構

Country Status (1)

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JP (1) JP4643191B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4838569B2 (ja) * 2005-11-15 2011-12-14 株式会社シグマ 一眼レフカメラのクイックリターン機構
JP5773629B2 (ja) * 2010-12-01 2015-09-02 キヤノン株式会社 シャッター装置
JP5787659B2 (ja) * 2011-07-29 2015-09-30 キヤノン株式会社 撮像装置
US9891408B2 (en) 2015-12-14 2018-02-13 Canon Kabushiki Kaisha Mirror drive device that moves mirror holders and image pickup apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57205726A (en) * 1981-06-15 1982-12-16 Copal Co Ltd Mirror driving circuit
JPH08122915A (ja) * 1994-10-19 1996-05-17 Olympus Optical Co Ltd 一眼レフレックスカメラのミラー駆動機構
JP3804109B2 (ja) * 1996-07-24 2006-08-02 株式会社ニコン カメラのミラーバウンド防止装置
JPH10339913A (ja) * 1997-06-09 1998-12-22 Canon Inc カメラ
JPH11295810A (ja) * 1998-04-08 1999-10-29 Olympus Optical Co Ltd 電子カメラ
JP2000002930A (ja) * 1998-06-15 2000-01-07 Asahi Optical Co Ltd ミラー駆動機構

Also Published As

Publication number Publication date
JP2006030498A (ja) 2006-02-02

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