JP2008209900A - カメラシステム及びレンズ装置 - Google Patents

カメラシステム及びレンズ装置 Download PDF

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Publication number
JP2008209900A
JP2008209900A JP2007319856A JP2007319856A JP2008209900A JP 2008209900 A JP2008209900 A JP 2008209900A JP 2007319856 A JP2007319856 A JP 2007319856A JP 2007319856 A JP2007319856 A JP 2007319856A JP 2008209900 A JP2008209900 A JP 2008209900A
Authority
JP
Japan
Prior art keywords
aperture
coil
value
diaphragm
camera system
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.)
Pending
Application number
JP2007319856A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008209900A5 (enExample
Inventor
Minoru Hirose
稔 廣瀬
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 JP2007319856A priority Critical patent/JP2008209900A/ja
Publication of JP2008209900A publication Critical patent/JP2008209900A/ja
Publication of JP2008209900A5 publication Critical patent/JP2008209900A5/ja
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/02—Diaphragms
    • G03B9/06—Two or more co-operating pivoted blades, e.g. iris type
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits
    • G03B7/085—Analogue circuits for control of aperture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
    • H04N23/663—Remote control of cameras or camera parts, e.g. by remote control devices for controlling interchangeable camera parts based on electronic image sensor signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/745—Detection of flicker frequency or suppression of flicker wherein the flicker is caused by illumination, e.g. due to fluorescent tube illumination or pulsed LED illumination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Studio Devices (AREA)
  • Exposure Control For Cameras (AREA)
  • Diaphragms For Cameras (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Lens Barrels (AREA)
JP2007319856A 2007-02-02 2007-12-11 カメラシステム及びレンズ装置 Pending JP2008209900A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007319856A JP2008209900A (ja) 2007-02-02 2007-12-11 カメラシステム及びレンズ装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007024432 2007-02-02
JP2007319856A JP2008209900A (ja) 2007-02-02 2007-12-11 カメラシステム及びレンズ装置

Publications (2)

Publication Number Publication Date
JP2008209900A true JP2008209900A (ja) 2008-09-11
JP2008209900A5 JP2008209900A5 (enExample) 2011-01-20

Family

ID=39449421

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007319856A Pending JP2008209900A (ja) 2007-02-02 2007-12-11 カメラシステム及びレンズ装置

Country Status (4)

Country Link
US (2) US7742695B2 (enExample)
EP (1) EP1953591A3 (enExample)
JP (1) JP2008209900A (enExample)
CN (1) CN101236347B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010160281A (ja) * 2009-01-07 2010-07-22 Hoya Corp 撮像装置
JP2010276674A (ja) * 2009-05-26 2010-12-09 Canon Inc 撮像装置、及びその制御プログラム

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5106283B2 (ja) * 2008-07-15 2012-12-26 三洋電機株式会社 ビデオカメラ
WO2010021342A2 (ja) * 2008-08-19 2010-02-25 ローム株式会社 カメラ
JP5251361B2 (ja) 2008-08-26 2013-07-31 株式会社ニコン カメラ
JP2010152000A (ja) * 2008-12-24 2010-07-08 Sony Corp 撮像装置
JP5456517B2 (ja) * 2009-02-27 2014-04-02 パナソニック株式会社 カメラ本体及び撮像装置
JP5340097B2 (ja) * 2009-09-29 2013-11-13 キヤノン株式会社 撮像装置及びその制御方法
DE112010004379T5 (de) * 2009-11-13 2012-11-29 Steven Donald Edelson Überwachungs- und Kamerasystem und Verfahren
JP5818488B2 (ja) * 2011-04-11 2015-11-18 キヤノン株式会社 撮像装置及びカメラシステム
JP5803390B2 (ja) * 2011-07-29 2015-11-04 リコーイメージング株式会社 光学機器
JP6348706B2 (ja) * 2013-12-06 2018-06-27 セイコープレシジョン株式会社 撮像装置及びフォーカルプレーンシャッタ
WO2016009699A1 (ja) * 2014-07-16 2016-01-21 富士フイルム株式会社 画像処理装置、撮像装置、画像処理方法、及びプログラム
JP2016151697A (ja) * 2015-02-18 2016-08-22 ルネサスエレクトロニクス株式会社 レンズモジュールシステム、撮像素子及びレンズモジュールの制御方法
JP6623458B2 (ja) * 2016-06-29 2019-12-25 セイコーホールディングス株式会社 羽根駆動装置及び光学機器
JP6666799B2 (ja) * 2016-06-29 2020-03-18 セイコーホールディングス株式会社 羽根駆動装置及び光学機器
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10282395A (ja) * 1997-02-10 1998-10-23 Asahi Optical Co Ltd カメラのパルスモータ駆動装置
JP2007006305A (ja) * 2005-06-27 2007-01-11 Canon Inc 撮像装置及び交換レンズ
JP2007049269A (ja) * 2005-08-08 2007-02-22 Olympus Corp 表示画像撮影方法および表示画像撮影装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4952859A (en) * 1988-11-30 1990-08-28 Canon Kabushiki Kaisha Stepping motor
JP2566031B2 (ja) * 1990-02-07 1996-12-25 キヤノン株式会社 電磁駆動露光量調節装置
JP2911653B2 (ja) * 1991-07-17 1999-06-23 キヤノン株式会社 絞り装置を有する光学機器およびレンズ鏡筒
US5557358A (en) * 1991-10-11 1996-09-17 Minolta Camera Kabushiki Kaisha Camera having an electronic viewfinder for displaying an object image under different photographic conditions
DE69535238T2 (de) * 1994-01-18 2007-04-05 Canon K.K. Kamera
US6040677A (en) * 1997-02-10 2000-03-21 Asahi Kogaku Kogyo Kabushiki Kaisha Apparatus for driving stepper motor of camera
JPH10221586A (ja) 1997-02-10 1998-08-21 Asahi Optical Co Ltd カメラのパルスモータ駆動装置
JP3755254B2 (ja) 1997-08-25 2006-03-15 ソニー株式会社 レンズの絞り調整装置、撮像装置及び光量調整方法
JP2001036806A (ja) * 1999-07-16 2001-02-09 Asahi Optical Co Ltd 電子カメラの露光制御装置
JP4474040B2 (ja) 2000-11-17 2010-06-02 キヤノン株式会社 カメラ及びカメラシステム
JP2003337277A (ja) 2002-05-20 2003-11-28 Canon Inc 光学機器
JP2004023856A (ja) 2002-06-14 2004-01-22 Nidec Copal Corp モータ駆動装置
JP2004258062A (ja) * 2003-02-24 2004-09-16 Alps Electric Co Ltd 絞り兼用シャッタ駆動装置
US20060221223A1 (en) * 2005-04-05 2006-10-05 Hiroshi Terada Digital camera capable of continuous shooting and control method for the digital camera
JP4335849B2 (ja) * 2005-06-13 2009-09-30 富士通マイクロエレクトロニクス株式会社 フリッカ検出可能な撮像装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10282395A (ja) * 1997-02-10 1998-10-23 Asahi Optical Co Ltd カメラのパルスモータ駆動装置
JP2007006305A (ja) * 2005-06-27 2007-01-11 Canon Inc 撮像装置及び交換レンズ
JP2007049269A (ja) * 2005-08-08 2007-02-22 Olympus Corp 表示画像撮影方法および表示画像撮影装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010160281A (ja) * 2009-01-07 2010-07-22 Hoya Corp 撮像装置
US8681263B2 (en) 2009-01-07 2014-03-25 Ricoh Imaging Company, Ltd Imager capturing an image with a rolling shutter using flicker detection
JP2010276674A (ja) * 2009-05-26 2010-12-09 Canon Inc 撮像装置、及びその制御プログラム
US8743262B2 (en) 2009-05-26 2014-06-03 Canon Kabushiki Kaisha Image capturing apparatus and control program for the same

Also Published As

Publication number Publication date
CN101236347B (zh) 2011-02-16
US20100226640A1 (en) 2010-09-09
US7742695B2 (en) 2010-06-22
EP1953591A3 (en) 2008-12-24
EP1953591A2 (en) 2008-08-06
US20080187304A1 (en) 2008-08-07
CN101236347A (zh) 2008-08-06

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