FR2073839A5 - - Google Patents

Info

Publication number
FR2073839A5
FR2073839A5 FR7045338A FR7045338A FR2073839A5 FR 2073839 A5 FR2073839 A5 FR 2073839A5 FR 7045338 A FR7045338 A FR 7045338A FR 7045338 A FR7045338 A FR 7045338A FR 2073839 A5 FR2073839 A5 FR 2073839A5
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
FR7045338A
Other languages
French (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.)
Hattori Tokeiten KK
Original Assignee
Hattori Tokeiten 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 Hattori Tokeiten KK filed Critical Hattori Tokeiten KK
Application granted granted Critical
Publication of FR2073839A5 publication Critical patent/FR2073839A5/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
    • 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
    • G03B7/083—Analogue circuits for control of exposure time
    • 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)
FR7045338A 1969-12-16 1970-12-16 Expired FR2073839A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10081569 1969-12-16

Publications (1)

Publication Number Publication Date
FR2073839A5 true FR2073839A5 (en) 1971-10-01

Family

ID=14283832

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7045338A Expired FR2073839A5 (en) 1969-12-16 1970-12-16

Country Status (3)

Country Link
DE (1) DE2056121B2 (en)
FR (1) FR2073839A5 (en)
GB (1) GB1290034A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2189768A1 (en) * 1972-05-26 1974-01-25 Seiko Koki Kk

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2187854B (en) * 1986-02-25 1990-02-14 Famous Instr Ltd Electromagnetic device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1468055A (en) * 1966-02-11 1967-02-03 Agfa Gevaert Ag Lumination Control Device Photography Camera
US3326103A (en) * 1964-12-09 1967-06-20 Polaroid Corp Auxiliary shutter timing mechanism
US3479935A (en) * 1969-02-10 1969-11-25 Eastman Kodak Co Automatic shutter control
FR2027272A1 (en) * 1968-12-28 1970-09-25 Canon Kk

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1525005U (en) *
DE1117998B (en) * 1958-04-23 1961-11-23 Konan Kamera Kk Photographic focal plane shutter
US3303766A (en) * 1964-04-28 1967-02-14 Asahi Optical Co Ltd Camera shutter arrangement responsive to both photoelectric and mechanical time control systems
US3398668A (en) * 1964-10-23 1968-08-27 Prontor Werk Gauthier Gmbh Automatic photographic shutter
DE1956829U (en) * 1965-03-01 1967-03-09 Elbe Kamera Gmbh PHOTOGRAPHIC CLOSURE WITH A LONG-TERM LOCKER AND A SHORT-TERM LOCKER.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3326103A (en) * 1964-12-09 1967-06-20 Polaroid Corp Auxiliary shutter timing mechanism
FR1468055A (en) * 1966-02-11 1967-02-03 Agfa Gevaert Ag Lumination Control Device Photography Camera
FR2027272A1 (en) * 1968-12-28 1970-09-25 Canon Kk
US3479935A (en) * 1969-02-10 1969-11-25 Eastman Kodak Co Automatic shutter control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2189768A1 (en) * 1972-05-26 1974-01-25 Seiko Koki Kk

Also Published As

Publication number Publication date
DE2056121B2 (en) 1976-01-15
DE2056121A1 (en) 1971-06-24
GB1290034A (en) 1972-09-20

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Legal Events

Date Code Title Description
ST Notification of lapse