FR2225766B1 - - Google Patents

Info

Publication number
FR2225766B1
FR2225766B1 FR7410827A FR7410827A FR2225766B1 FR 2225766 B1 FR2225766 B1 FR 2225766B1 FR 7410827 A FR7410827 A FR 7410827A FR 7410827 A FR7410827 A FR 7410827A FR 2225766 B1 FR2225766 B1 FR 2225766B1
Authority
FR
France
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
FR7410827A
Other versions
FR2225766A1 (fr
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.)
Seiko Koki KK
Original Assignee
Seiko Koki KK
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 Seiko Koki KK filed Critical Seiko Koki KK
Publication of FR2225766A1 publication Critical patent/FR2225766A1/fr
Application granted granted Critical
Publication of FR2225766B1 publication Critical patent/FR2225766B1/fr
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
    • G03B9/58—Means for varying duration of "open" period of shutter
    • G03B9/62—Means for varying duration of "open" period of shutter by varying interval of time between end of opening movement and beginning of closing movement
    • 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
    • G03B9/36—Sliding rigid plate
    • G03B9/40—Double plate
    • 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
    • G03B9/58—Means for varying duration of "open" period of shutter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)
  • Shutter-Related Mechanisms (AREA)
  • Exposure Control For Cameras (AREA)
FR7410827A 1973-04-11 1974-03-28 Expired FR2225766B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1973042698U JPS5332017Y2 (fr) 1973-04-11 1973-04-11

Publications (2)

Publication Number Publication Date
FR2225766A1 FR2225766A1 (fr) 1974-11-08
FR2225766B1 true FR2225766B1 (fr) 1979-09-28

Family

ID=12643258

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7410827A Expired FR2225766B1 (fr) 1973-04-11 1974-03-28

Country Status (5)

Country Link
US (1) US3946414A (fr)
JP (1) JPS5332017Y2 (fr)
DE (1) DE2417855A1 (fr)
FR (1) FR2225766B1 (fr)
GB (1) GB1439731A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51143443U (fr) * 1975-05-14 1976-11-18
DE2704646A1 (de) * 1976-02-09 1977-08-11 Seiko Koki Kk Kameraverschluss
US4122461A (en) * 1977-07-11 1978-10-24 Gte Sylvania Incorporated Exposure apparatus and method for manufacturing a cathode ray tube display screen
JPS54111821A (en) * 1978-02-21 1979-09-01 Minolta Camera Co Ltd Flash photographic device
US4273433A (en) * 1979-11-29 1981-06-16 Polaroid Corporation Two-bladed shutter mechanism for microfiche camera
JPS5717936A (en) * 1980-07-07 1982-01-29 Canon Inc Shutter controlled by electromagnet
US4344687A (en) * 1981-02-18 1982-08-17 Eastman Kodak Company Diaphragm and shutter mechanism
CN102778803B (zh) * 2012-07-31 2014-12-31 佛山华永科技有限公司 相机快门结构

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1622206C3 (de) * 1967-02-14 1975-08-21 K.K. Hattori Tokeiten, Tokio Kamera mit einem elektronischen Verschluß
GB1247077A (en) * 1968-09-24 1971-09-22 Hattori Tokeiten Kk Photographic camera or shutter operating mechanism therefor
US3645186A (en) * 1968-12-09 1972-02-29 Kiyoshi Kitai Shutter opening and closing mechanism
US3698304A (en) * 1969-03-06 1972-10-17 Minolta Camera Kk Shutter release control mechanism
JPS508660B1 (fr) * 1970-06-05 1975-04-05

Also Published As

Publication number Publication date
JPS5332017Y2 (fr) 1978-08-09
DE2417855A1 (de) 1974-10-24
FR2225766A1 (fr) 1974-11-08
JPS49144236U (fr) 1974-12-12
GB1439731A (en) 1976-06-16
US3946414A (en) 1976-03-23

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Legal Events

Date Code Title Description
ST Notification of lapse