JP4809415B2 - アイリス制御装置及びアイリス制御方法 - Google Patents

アイリス制御装置及びアイリス制御方法 Download PDF

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JP4809415B2
JP4809415B2 JP2008272938A JP2008272938A JP4809415B2 JP 4809415 B2 JP4809415 B2 JP 4809415B2 JP 2008272938 A JP2008272938 A JP 2008272938A JP 2008272938 A JP2008272938 A JP 2008272938A JP 4809415 B2 JP4809415 B2 JP 4809415B2
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iris
opening diameter
switching
predetermined
opening
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Japanese (ja)
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JP2010102085A5 (enExample
JP2010102085A (ja
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豊 伊東
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Acutelogic Corp
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Acutelogic Corp
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Publication of JP2010102085A5 publication Critical patent/JP2010102085A5/ja
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  • Exposure Control For Cameras (AREA)
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JP2008272938A 2008-10-23 2008-10-23 アイリス制御装置及びアイリス制御方法 Active JP4809415B2 (ja)

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JP2008272938A JP4809415B2 (ja) 2008-10-23 2008-10-23 アイリス制御装置及びアイリス制御方法

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JP2008272938A JP4809415B2 (ja) 2008-10-23 2008-10-23 アイリス制御装置及びアイリス制御方法

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JP2010102085A JP2010102085A (ja) 2010-05-06
JP2010102085A5 JP2010102085A5 (enExample) 2010-10-21
JP4809415B2 true JP4809415B2 (ja) 2011-11-09

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6560030B2 (ja) * 2015-06-10 2019-08-14 オリンパス株式会社 レンズユニット及び絞り制御方法
CN106954028B (zh) * 2017-05-09 2023-04-25 北京旷视科技有限公司 一种自动光圈驱动电路以及电子装置
CN107613220B (zh) * 2017-09-30 2023-12-19 深圳市艾特智能科技有限公司 摄像头光圈驱动电路
CN114500863B (zh) * 2022-01-24 2024-12-06 惠州同为数码科技有限公司 摄像机p-iris光圈的电机驱动控制方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3090668B2 (ja) * 1989-10-27 2000-09-25 ソニー株式会社 ビデオカメラ
JPH07239492A (ja) * 1994-02-28 1995-09-12 Canon Inc 露出制御装置
JP2001008094A (ja) * 1999-06-18 2001-01-12 Canon Inc 絞り制御装置
JP2003224998A (ja) * 2002-01-29 2003-08-08 Canon Electronics Inc ステッピングモータ駆動方法
JP2006243489A (ja) * 2005-03-04 2006-09-14 Canon Inc 絞り値検出回路

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