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DE69418278D1 - Blende/Verschlussmechanismus mit Dämpfungselement - Google Patents

Blende/Verschlussmechanismus mit Dämpfungselement

Info

Publication number
DE69418278D1
DE69418278D1 DE69418278T DE69418278T DE69418278D1 DE 69418278 D1 DE69418278 D1 DE 69418278D1 DE 69418278 T DE69418278 T DE 69418278T DE 69418278 T DE69418278 T DE 69418278T DE 69418278 D1 DE69418278 D1 DE 69418278D1
Authority
DE
Germany
Prior art keywords
aperture
locking mechanism
damping element
damping
locking
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.)
Expired - Lifetime
Application number
DE69418278T
Other languages
English (en)
Inventor
Robert Allen Bovenzi
Jean Francois Depatie
Michael Donovan Dunn
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of DE69418278D1 publication Critical patent/DE69418278D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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)
DE69418278T 1993-10-27 1994-10-12 Blende/Verschlussmechanismus mit Dämpfungselement Expired - Lifetime DE69418278D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/144,171 US5502524A (en) 1993-10-27 1993-10-27 Aperture/shutter mechanism with damping member

Publications (1)

Publication Number Publication Date
DE69418278D1 true DE69418278D1 (de) 1999-06-10

Family

ID=22507404

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69418278T Expired - Lifetime DE69418278D1 (de) 1993-10-27 1994-10-12 Blende/Verschlussmechanismus mit Dämpfungselement

Country Status (4)

Country Link
US (1) US5502524A (de)
EP (1) EP0652464B1 (de)
JP (1) JPH07181559A (de)
DE (1) DE69418278D1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001042384A (ja) * 1999-07-27 2001-02-16 Nidec Copal Corp カメラ用シャッタ装置
US6652165B1 (en) * 2002-07-29 2003-11-25 Va, Inc. Damping system for mechanical shutter
JP5207580B2 (ja) * 2004-07-29 2013-06-12 キヤノン株式会社 光量調節装置および撮像装置
US8120832B2 (en) * 2006-05-23 2012-02-21 Inphase Technologies, Inc. High speed electromechanical shutter
US8317417B2 (en) 2010-02-24 2012-11-27 Va, Inc. Shutter damping assembly
US9274329B2 (en) 2013-04-08 2016-03-01 Melles-Griot Shutter with blade damping
US8851768B1 (en) 2013-06-14 2014-10-07 Melles-Griot Shutter with power-free blade return
US8956059B1 (en) 2014-06-26 2015-02-17 Melles-Griot Shutter with power-free magnetic detent
JP6758855B2 (ja) 2016-02-24 2020-09-23 キヤノン株式会社 光学機器
CN110603486B (zh) * 2017-05-09 2022-05-03 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
CN110703534A (zh) * 2019-10-28 2020-01-17 上海比路电子股份有限公司 一种连续可变光圈装置
WO2023123107A1 (zh) * 2021-12-29 2023-07-06 深圳市大疆创新科技有限公司 应用于快门机构的电机、快门机构、相机以及电子设备

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE87724C (de) *
US3614919A (en) * 1968-12-16 1971-10-26 Polaroid Corp Aperture defining exposure control system
US3664251A (en) * 1969-04-16 1972-05-23 Andrew W Vincent Electromagnetic shutter with detent
DD87724A3 (de) * 1970-12-09 1972-11-05 Certo Camera-Werk Blendenverschluss
JPS4955037U (de) * 1972-08-23 1974-05-15
JPS5316894Y2 (de) * 1972-08-25 1978-05-06
JPS5323485Y2 (de) * 1972-08-30 1978-06-17
JPS5172035U (de) * 1974-12-03 1976-06-07
DE3001915C2 (de) * 1980-01-19 1982-04-01 Prontor-Werk Alfred Gauthier Gmbh, 7547 Wildbad Blendenregelvorrichtung für photographische Kameras
GB2132782B (en) * 1982-12-23 1986-09-10 Konishiroku Photo Ind Electromagnetically driven shutter device
US4829329A (en) * 1987-01-14 1989-05-09 Canon Kabushiki Kaisha Brake device for a shutter
JPS6429825A (en) * 1987-07-24 1989-01-31 Canon Kk Brake device for shutter
US5173728A (en) * 1991-07-25 1992-12-22 Eastman Kodak Company Magnet and shutter assembly for an electromagnetic shutter

Also Published As

Publication number Publication date
US5502524A (en) 1996-03-26
EP0652464B1 (de) 1999-05-06
JPH07181559A (ja) 1995-07-21
EP0652464A1 (de) 1995-05-10

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Legal Events

Date Code Title Description
8332 No legal effect for de