JP2004045594A - 光量調節装置及びカメラの露光量調節装置 - Google Patents

光量調節装置及びカメラの露光量調節装置 Download PDF

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Publication number
JP2004045594A
JP2004045594A JP2002200994A JP2002200994A JP2004045594A JP 2004045594 A JP2004045594 A JP 2004045594A JP 2002200994 A JP2002200994 A JP 2002200994A JP 2002200994 A JP2002200994 A JP 2002200994A JP 2004045594 A JP2004045594 A JP 2004045594A
Authority
JP
Japan
Prior art keywords
light amount
amount adjusting
shutter
blade
light
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
JP2002200994A
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English (en)
Japanese (ja)
Other versions
JP2004045594A5 (https=
Inventor
Nobuhiro Fujinaga
藤永　伸広
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 JP2002200994A priority Critical patent/JP2004045594A/ja
Priority to US10/606,311 priority patent/US6853810B1/en
Publication of JP2004045594A publication Critical patent/JP2004045594A/ja
Priority to US10/909,406 priority patent/US6904235B2/en
Publication of JP2004045594A5 publication Critical patent/JP2004045594A5/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
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)
  • Diaphragms For Cameras (AREA)
JP2002200994A 2002-07-10 2002-07-10 光量調節装置及びカメラの露光量調節装置 Pending JP2004045594A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2002200994A JP2004045594A (ja) 2002-07-10 2002-07-10 光量調節装置及びカメラの露光量調節装置
US10/606,311 US6853810B1 (en) 2002-07-10 2003-06-26 Quantity-of-light adjusting device
US10/909,406 US6904235B2 (en) 2002-07-10 2004-08-03 Quantity-of-light adjusting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002200994A JP2004045594A (ja) 2002-07-10 2002-07-10 光量調節装置及びカメラの露光量調節装置

Publications (2)

Publication Number Publication Date
JP2004045594A true JP2004045594A (ja) 2004-02-12
JP2004045594A5 JP2004045594A5 (https=) 2005-10-27

Family

ID=31707655

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002200994A Pending JP2004045594A (ja) 2002-07-10 2002-07-10 光量調節装置及びカメラの露光量調節装置

Country Status (2)

Country Link
US (2) US6853810B1 (https=)
JP (1) JP2004045594A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7677740B2 (en) 2005-08-23 2010-03-16 Seiko Epson Corporation Optical diaphragm and projector
KR20200144259A (ko) * 2019-06-18 2020-12-29 삼성전기주식회사 조리개 모듈 및 이를 포함하는 카메라 모듈

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7259922B2 (en) * 2005-06-06 2007-08-21 Nisca Corporation Light amount-adjusting device and light amount-adjusting device for projector unit
US7883280B2 (en) * 2008-03-12 2011-02-08 Va, Inc. Shutter activation system
WO2011085732A1 (en) * 2010-01-18 2011-07-21 Martin Professional A/S Light beam framing system with merged shutter blades
KR20120035043A (ko) * 2010-10-04 2012-04-13 삼성전자주식회사 광경로 조절장치 및 이를 구비한 촬영장치
KR101993240B1 (ko) * 2012-03-30 2019-06-26 삼성전자주식회사 광경로 조절장치 및 이를 구비한 촬영장치
JP6494016B2 (ja) * 2014-11-18 2019-04-03 セイコープレシジョン株式会社 絞り装置および光学機器
JP7490874B1 (ja) * 2023-09-20 2024-05-27 エーエーシー オプティックス ソリューションズ ピーティーイー リミテッド 撮像モジュール及び電子機器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6262338A (ja) * 1985-09-13 1987-03-19 Konishiroku Photo Ind Co Ltd カメラの露光装置
JPH0389330A (ja) * 1989-09-01 1991-04-15 Copal Co Ltd カメラ用遮光羽根装置
JPH0943676A (ja) * 1995-07-26 1997-02-14 Copal Co Ltd カメラ用レンズシャッタの露光調整方法
JPH09311363A (ja) * 1996-05-22 1997-12-02 Copal Co Ltd カメラ用遮光羽根装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2627168B2 (ja) 1988-04-30 1997-07-02 株式会社コパル プログラムシャッタの駆動制御方法
US5043753A (en) * 1989-09-01 1991-08-27 Copal Company Limited Camera shutter blade device
JPH06258688A (ja) * 1993-03-02 1994-09-16 Nikon Corp シャッタ計測装置を有するカメラ
JPH06281995A (ja) 1993-03-25 1994-10-07 Canon Inc 露出制御装置及びカメラ
JP2000321614A (ja) * 1999-05-17 2000-11-24 Canon Inc 防振装置用アクチュエータ
JP2001042382A (ja) 1999-08-03 2001-02-16 Olympus Optical Co Ltd カメラの露出調節装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6262338A (ja) * 1985-09-13 1987-03-19 Konishiroku Photo Ind Co Ltd カメラの露光装置
JPH0389330A (ja) * 1989-09-01 1991-04-15 Copal Co Ltd カメラ用遮光羽根装置
JPH0943676A (ja) * 1995-07-26 1997-02-14 Copal Co Ltd カメラ用レンズシャッタの露光調整方法
JPH09311363A (ja) * 1996-05-22 1997-12-02 Copal Co Ltd カメラ用遮光羽根装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7677740B2 (en) 2005-08-23 2010-03-16 Seiko Epson Corporation Optical diaphragm and projector
KR20200144259A (ko) * 2019-06-18 2020-12-29 삼성전기주식회사 조리개 모듈 및 이를 포함하는 카메라 모듈
US10969654B2 (en) 2019-06-18 2021-04-06 Samsung Electro-Mechanics Co., Ltd. Aperture module and camera module including the same
KR102248522B1 (ko) * 2019-06-18 2021-05-06 삼성전기주식회사 조리개 모듈 및 이를 포함하는 카메라 모듈

Also Published As

Publication number Publication date
US6853810B1 (en) 2005-02-08
US20050025478A1 (en) 2005-02-03
US6904235B2 (en) 2005-06-07
US20050002667A1 (en) 2005-01-06

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