JP5368697B2 - 光量調節装置、レンズ装置、カメラシステム - Google Patents

光量調節装置、レンズ装置、カメラシステム Download PDF

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Publication number
JP5368697B2
JP5368697B2 JP2007312660A JP2007312660A JP5368697B2 JP 5368697 B2 JP5368697 B2 JP 5368697B2 JP 2007312660 A JP2007312660 A JP 2007312660A JP 2007312660 A JP2007312660 A JP 2007312660A JP 5368697 B2 JP5368697 B2 JP 5368697B2
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Japan
Prior art keywords
aperture
diaphragm
blades
blade
opening
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Japanese (ja)
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JP2009139431A (ja
JP2009139431A5 (enExample
Inventor
弘司 赤田
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Canon Inc
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Canon Inc
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Priority to JP2007312660A priority Critical patent/JP5368697B2/ja
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  • Diaphragms For Cameras (AREA)
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)

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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

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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

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

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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

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110603486A (zh) * 2017-05-09 2019-12-20 深圳市大疆创新科技有限公司 光量调节装置、摄像装置、摄像系统以及移动体

Families Citing this family (1)

* 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

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110603486A (zh) * 2017-05-09 2019-12-20 深圳市大疆创新科技有限公司 光量调节装置、摄像装置、摄像系统以及移动体
US11073257B2 (en) 2017-05-09 2021-07-27 SZ DJI Technology Co., Ltd. Light amount adjustment device, imaging device, imaging system and moving object

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JP2009139431A (ja) 2009-06-25

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