JP5028105B2 - 光量調節装置及び光学機器 - Google Patents

光量調節装置及び光学機器 Download PDF

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Publication number
JP5028105B2
JP5028105B2 JP2007040091A JP2007040091A JP5028105B2 JP 5028105 B2 JP5028105 B2 JP 5028105B2 JP 2007040091 A JP2007040091 A JP 2007040091A JP 2007040091 A JP2007040091 A JP 2007040091A JP 5028105 B2 JP5028105 B2 JP 5028105B2
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JP
Japan
Prior art keywords
light amount
blade
light
amount adjusting
adjusting device
Prior art date
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Expired - Fee Related
Application number
JP2007040091A
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English (en)
Japanese (ja)
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JP2008203576A5 (enExample
JP2008203576A (ja
Inventor
雅夫 水牧
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 JP2007040091A priority Critical patent/JP5028105B2/ja
Priority to US12/025,215 priority patent/US7907321B2/en
Priority to KR1020080012113A priority patent/KR100914182B1/ko
Publication of JP2008203576A publication Critical patent/JP2008203576A/ja
Publication of JP2008203576A5 publication Critical patent/JP2008203576A5/ja
Priority to US13/024,237 priority patent/US8184354B2/en
Application granted granted Critical
Publication of JP5028105B2 publication Critical patent/JP5028105B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Diaphragms For Cameras (AREA)
JP2007040091A 2007-02-08 2007-02-20 光量調節装置及び光学機器 Expired - Fee Related JP5028105B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2007040091A JP5028105B2 (ja) 2007-02-20 2007-02-20 光量調節装置及び光学機器
US12/025,215 US7907321B2 (en) 2007-02-08 2008-02-04 Light-amount adjusting apparatus, optical apparatus, and method for manufacturing the light-amount adjusting apparatus
KR1020080012113A KR100914182B1 (ko) 2007-02-08 2008-02-11 광량 조절장치, 광학기기 및 광량 조절장치의 제조방법
US13/024,237 US8184354B2 (en) 2007-02-08 2011-02-09 Light-amount adjusting apparatus, optical apparatus, and method for manufacturing the light-amount adjusting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007040091A JP5028105B2 (ja) 2007-02-20 2007-02-20 光量調節装置及び光学機器

Publications (3)

Publication Number Publication Date
JP2008203576A JP2008203576A (ja) 2008-09-04
JP2008203576A5 JP2008203576A5 (enExample) 2010-04-02
JP5028105B2 true JP5028105B2 (ja) 2012-09-19

Family

ID=39781144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007040091A Expired - Fee Related JP5028105B2 (ja) 2007-02-08 2007-02-20 光量調節装置及び光学機器

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JP (1) JP5028105B2 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5461278B2 (ja) * 2010-03-31 2014-04-02 日本電産コパル株式会社 カメラ用絞り装置
JP5902462B2 (ja) * 2010-12-21 2016-04-13 キヤノン電子株式会社 光量調節装置および光学機器
JP2012159637A (ja) * 2011-01-31 2012-08-23 Nisca Corp 光量調整装置及びこれを備えた光学機器
CN108873564B (zh) * 2012-08-24 2019-08-23 佳能电子株式会社 光量调节装置以及光学器件
JP6641664B2 (ja) * 2015-09-15 2020-02-05 リコーイメージング株式会社 光量調節装置、撮影装置及び光学機器
JP6810443B2 (ja) * 2016-06-22 2021-01-06 株式会社ｎｉｔｔｏｈ 絞り装置、レンズ鏡筒及び撮像装置又は投影装置
JP6694617B2 (ja) * 2018-06-15 2020-05-20 株式会社ニチベイパーツ カメラの絞り羽根の製造方法
JP7094790B2 (ja) * 2018-06-19 2022-07-04 キヤノン電子株式会社 光量調節装置および光学機器
KR102248523B1 (ko) 2019-06-28 2021-05-06 삼성전기주식회사 조리개모듈

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5614226A (en) * 1979-07-16 1981-02-12 Canon Inc Exposure control member
JPH09230189A (ja) * 1996-02-20 1997-09-05 Toshiba Corp カメラの光学系調整装置
JP2006084658A (ja) * 2004-09-15 2006-03-30 Canon Inc 光量調節用遮光羽根部材
JP2006337780A (ja) * 2005-06-03 2006-12-14 Canon Inc 光量調節装置

Also Published As

Publication number Publication date
JP2008203576A (ja) 2008-09-04

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