JP2009139431A5 - - Google Patents

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Publication number
JP2009139431A5
JP2009139431A5 JP2007312660A JP2007312660A JP2009139431A5 JP 2009139431 A5 JP2009139431 A5 JP 2009139431A5 JP 2007312660 A JP2007312660 A JP 2007312660A JP 2007312660 A JP2007312660 A JP 2007312660A JP 2009139431 A5 JP2009139431 A5 JP 2009139431A5
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JP
Japan
Prior art keywords
aperture
diaphragm
blades
frictional force
cam member
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.)
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Application number
JP2007312660A
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English (en)
Japanese (ja)
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JP2009139431A (ja
JP5368697B2 (ja
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Publication date
Application filed filed Critical
Priority to JP2007312660A priority Critical patent/JP5368697B2/ja
Priority claimed from JP2007312660A external-priority patent/JP5368697B2/ja
Publication of JP2009139431A publication Critical patent/JP2009139431A/ja
Publication of JP2009139431A5 publication Critical patent/JP2009139431A5/ja
Application granted granted Critical
Publication of JP5368697B2 publication Critical patent/JP5368697B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2007312660A 2007-12-03 2007-12-03 光量調節装置、レンズ装置、カメラシステム Expired - Fee Related JP5368697B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007312660A JP5368697B2 (ja) 2007-12-03 2007-12-03 光量調節装置、レンズ装置、カメラシステム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007312660A JP5368697B2 (ja) 2007-12-03 2007-12-03 光量調節装置、レンズ装置、カメラシステム

Publications (3)

Publication Number Publication Date
JP2009139431A JP2009139431A (ja) 2009-06-25
JP2009139431A5 true JP2009139431A5 (enExample) 2011-01-20
JP5368697B2 JP5368697B2 (ja) 2013-12-18

Family

ID=40870130

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007312660A Expired - Fee Related JP5368697B2 (ja) 2007-12-03 2007-12-03 光量調節装置、レンズ装置、カメラシステム

Country Status (1)

Country Link
JP (1) JP5368697B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6380079B2 (ja) * 2014-12-17 2018-08-29 コニカミノルタ株式会社 回動部材位置検出装置及びレンズ鏡胴
JP6707791B2 (ja) 2017-05-09 2020-06-10 エスゼット ディージェイアイ テクノロジー カンパニー リミテッドＳｚ Ｄｊｉ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．，Ｌｔｄ 光量調整装置、撮像装置、撮像システム、及び移動体

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2584804B2 (ja) * 1987-12-17 1997-02-26 キヤノン株式会社 ステツピングモータ
JP3683325B2 (ja) * 1996-02-29 2005-08-17 日本電産コパル株式会社 カメラの駆動装置用パルスモータ
JP3800719B2 (ja) * 1997-05-06 2006-07-26 日本精工株式会社 電動式リニアアクチュエータ
JP2001069793A (ja) * 1999-08-31 2001-03-16 Canon Inc ステッピングモータを用いた駆動装置およびこれを備えた装置、光量調節装置、光学機器
JP4054618B2 (ja) * 2001-12-25 2008-02-27 オリンパス株式会社 光量調整ユニット
JP2006042465A (ja) * 2004-07-26 2006-02-09 Toyota Motor Corp ブレーキ機構付きモータ
JP2006113256A (ja) * 2004-10-14 2006-04-27 Canon Inc 光量調節装置

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