GB1454669A - Camera mechanism - Google Patents

Camera mechanism

Info

Publication number
GB1454669A
GB1454669A GB4567474A GB4567474A GB1454669A GB 1454669 A GB1454669 A GB 1454669A GB 4567474 A GB4567474 A GB 4567474A GB 4567474 A GB4567474 A GB 4567474A GB 1454669 A GB1454669 A GB 1454669A
Authority
GB
United Kingdom
Prior art keywords
blades
lever
shutter
diaphragm
pivoted
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
Application number
GB4567474A
Other languages
English (en)
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.)
BALDA WERK PHOTOGRAPHISCHE GER
Original Assignee
BALDA WERK PHOTOGRAPHISCHE GER
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 BALDA WERK PHOTOGRAPHISCHE GER filed Critical BALDA WERK PHOTOGRAPHISCHE GER
Publication of GB1454669A publication Critical patent/GB1454669A/en
Expired 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
    • G03B9/14—Two separate members moving in opposite directions

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)
GB4567474A 1974-02-25 1974-10-22 Camera mechanism Expired GB1454669A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2408932A DE2408932B2 (de) 1974-02-25 1974-02-25 KameraverschluB mit zwei hintereinander angeordneten in Längsrichtung geführten Lamellen

Publications (1)

Publication Number Publication Date
GB1454669A true GB1454669A (en) 1976-11-03

Family

ID=5908377

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4567474A Expired GB1454669A (en) 1974-02-25 1974-10-22 Camera mechanism

Country Status (5)

Country Link
US (1) US3938168A (enExample)
DE (1) DE2408932B2 (enExample)
FR (1) FR2273296B1 (enExample)
GB (1) GB1454669A (enExample)
IT (1) IT1025413B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2164470A (en) * 1984-09-14 1986-03-19 Michael Rodney Browning Iris device having linearly movable blades
US4797700A (en) * 1985-06-28 1989-01-10 Canon Kabushiki Kaisha Diaphragm device

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4527876A (en) * 1982-10-13 1985-07-09 Minolta Camera Kabushiki Kaisha Exposure control shutter of a camera
US4531820A (en) * 1983-06-22 1985-07-30 Polaroid Corporation Electromagnetic actuator generating equal and opposing force vectors
US4707099A (en) * 1986-11-19 1987-11-17 Eastman Kodak Company Latch mechanism for camera shutter
JP2531764Y2 (ja) 1987-11-10 1997-04-09 ニスカ 株式会社 カメラ用光量絞り装置
US4884091A (en) * 1987-10-08 1989-11-28 Nippon Seimitsu Kogyo Kabushiki Kaisha Exposure control device in a camera
JP2531765Y2 (ja) 1987-11-10 1997-04-09 ニスカ 株式会社 絞り装置
JPH0712974Y2 (ja) * 1987-11-10 1995-03-29 ニスカ株式会社 絞り装置
JP2525680Y2 (ja) 1987-11-19 1997-02-12 ニスカ 株式会社 カメラ用光量絞り装置
US4922089A (en) * 1988-12-05 1990-05-01 Eastman Kodak Company Constant color temperature and intensity illumination source
US4894683A (en) * 1988-12-05 1990-01-16 Eastman Kodak Company Variable brightness light generators
US8474721B2 (en) 2007-06-11 2013-07-02 Drs Rsta, Inc. Variable aperture and actuator assemblies for an imaging system
US7724412B2 (en) * 2007-06-11 2010-05-25 Drs Rsta, Inc. Variable aperture and actuator assemblies for an imaging system
US9285653B2 (en) 2012-11-06 2016-03-15 Raytheon Company Variable aperture mechanism for creating different aperture sizes in cameras and other imaging devices
US9448462B2 (en) 2013-06-11 2016-09-20 Raytheon Company Pulse width modulation control of solenoid motor
US9323130B2 (en) * 2013-06-11 2016-04-26 Raytheon Company Thermal control in variable aperture mechanism for cryogenic environment
US9228645B2 (en) 2013-06-11 2016-01-05 Raytheon Company Vacuum stable mechanism drive arm

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US674525A (en) * 1899-09-07 1901-05-21 Gundlach Optical Company Photographic shutter.
US1032297A (en) * 1908-12-22 1912-07-09 Jules Richard Photographic shutter.
US3769893A (en) * 1972-04-21 1973-11-06 Polaroid Corp Electromagnetically actuated exposure control mechanism
JPS5424650B2 (enExample) * 1972-05-30 1979-08-22

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2164470A (en) * 1984-09-14 1986-03-19 Michael Rodney Browning Iris device having linearly movable blades
US4797700A (en) * 1985-06-28 1989-01-10 Canon Kabushiki Kaisha Diaphragm device

Also Published As

Publication number Publication date
FR2273296B1 (enExample) 1977-04-15
US3938168A (en) 1976-02-10
DE2408932A1 (de) 1975-09-04
DE2408932B2 (de) 1976-01-02
FR2273296A1 (enExample) 1975-12-26
IT1025413B (it) 1978-08-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee