JP4194199B2 - 光量調節装置および撮像装置 - Google Patents

光量調節装置および撮像装置 Download PDF

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Publication number
JP4194199B2
JP4194199B2 JP33799299A JP33799299A JP4194199B2 JP 4194199 B2 JP4194199 B2 JP 4194199B2 JP 33799299 A JP33799299 A JP 33799299A JP 33799299 A JP33799299 A JP 33799299A JP 4194199 B2 JP4194199 B2 JP 4194199B2
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Japan
Prior art keywords
light amount
rotor magnet
pulse rate
stepping motor
amount adjustment
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Expired - Fee Related
Application number
JP33799299A
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English (en)
Japanese (ja)
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JP2001154234A5 (https=
JP2001154234A (ja
Inventor
川西　　利明
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP33799299A priority Critical patent/JP4194199B2/ja
Publication of JP2001154234A publication Critical patent/JP2001154234A/ja
Publication of JP2001154234A5 publication Critical patent/JP2001154234A5/ja
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  • Diaphragms For Cameras (AREA)
JP33799299A 1999-11-29 1999-11-29 光量調節装置および撮像装置 Expired - Fee Related JP4194199B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP33799299A JP4194199B2 (ja) 1999-11-29 1999-11-29 光量調節装置および撮像装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33799299A JP4194199B2 (ja) 1999-11-29 1999-11-29 光量調節装置および撮像装置

Publications (3)

Publication Number Publication Date
JP2001154234A JP2001154234A (ja) 2001-06-08
JP2001154234A5 JP2001154234A5 (https=) 2007-01-18
JP4194199B2 true JP4194199B2 (ja) 2008-12-10

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ID=18313932

Family Applications (1)

Application Number Title Priority Date Filing Date
JP33799299A Expired - Fee Related JP4194199B2 (ja) 1999-11-29 1999-11-29 光量調節装置および撮像装置

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JP (1) JP4194199B2 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4737939B2 (ja) * 2004-02-25 2011-08-03 日本電産コパル株式会社 カメラ用羽根駆動装置
KR101177450B1 (ko) 2005-02-28 2012-08-27 삼성전자주식회사 카메라용 셔터 장치
JP2008209541A (ja) * 2007-02-26 2008-09-11 Sony Corp レンズ鏡筒および撮像装置

Also Published As

Publication number Publication date
JP2001154234A (ja) 2001-06-08

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