JPS5842970Y2 - シヤツタソウチ - Google Patents

シヤツタソウチ

Info

Publication number
JPS5842970Y2
JPS5842970Y2 JP1974032700U JP3270074U JPS5842970Y2 JP S5842970 Y2 JPS5842970 Y2 JP S5842970Y2 JP 1974032700 U JP1974032700 U JP 1974032700U JP 3270074 U JP3270074 U JP 3270074U JP S5842970 Y2 JPS5842970 Y2 JP S5842970Y2
Authority
JP
Japan
Prior art keywords
shutter
light
brightness
shutter mechanism
time
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
JP1974032700U
Other languages
English (en)
Japanese (ja)
Other versions
JPS50123339U (enExample
Inventor
明彦 橋本
義久 米谷
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.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP1974032700U priority Critical patent/JPS5842970Y2/ja
Priority to US05/555,373 priority patent/US4001845A/en
Priority to GB11589/75A priority patent/GB1501014A/en
Priority to DE19752512571 priority patent/DE2512571C3/de
Priority to FR7508967A priority patent/FR2265114B1/fr
Publication of JPS50123339U publication Critical patent/JPS50123339U/ja
Application granted granted Critical
Publication of JPS5842970Y2 publication Critical patent/JPS5842970Y2/ja
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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Shutter-Related Mechanisms (AREA)
  • Endoscopes (AREA)
JP1974032700U 1974-03-22 1974-03-22 シヤツタソウチ Expired JPS5842970Y2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1974032700U JPS5842970Y2 (ja) 1974-03-22 1974-03-22 シヤツタソウチ
US05/555,373 US4001845A (en) 1974-03-22 1975-03-05 Electrical shutter circuit for camera
GB11589/75A GB1501014A (en) 1974-03-22 1975-03-20 Electrical shutter circuits for cameras
DE19752512571 DE2512571C3 (de) 1974-03-22 1975-03-21 Belichtungssteuerschaltung für eine fotografische Kamera
FR7508967A FR2265114B1 (enExample) 1974-03-22 1975-03-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1974032700U JPS5842970Y2 (ja) 1974-03-22 1974-03-22 シヤツタソウチ

Publications (2)

Publication Number Publication Date
JPS50123339U JPS50123339U (enExample) 1975-10-08
JPS5842970Y2 true JPS5842970Y2 (ja) 1983-09-29

Family

ID=12366115

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1974032700U Expired JPS5842970Y2 (ja) 1974-03-22 1974-03-22 シヤツタソウチ

Country Status (4)

Country Link
US (1) US4001845A (enExample)
JP (1) JPS5842970Y2 (enExample)
FR (1) FR2265114B1 (enExample)
GB (1) GB1501014A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5296023A (en) * 1976-02-09 1977-08-12 Fuji Photo Optical Co Ltd Single lens reflex camera
US4235539A (en) * 1979-01-24 1980-11-25 Polaroid Corporation Photographic exposure control system utilizing a single photocell for three distinct purposes
GB2200507B (en) * 1987-01-28 1992-02-12 Famous Instr Ltd Optical detector for an auto-focus camera

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3470798A (en) * 1965-09-27 1969-10-07 Asahi Optical Co Ltd Automatic exposure control system
JPS4421007Y1 (enExample) * 1966-03-30 1969-09-06
DE2011450C3 (de) * 1969-03-14 1975-04-17 Kabushiki Kaisha Koparu, Tokio Photographische Kamera mit Blitzlichteinrichtung
US3690229A (en) * 1969-05-30 1972-09-12 Kofaru Itabashiku Kk Exposure control apparatus for photographic cameras
US3860936A (en) * 1974-01-28 1975-01-14 Eastman Kodak Co Shutter control circuit for controlling exposure time under low light conditions

Also Published As

Publication number Publication date
DE2512571B2 (de) 1977-01-27
DE2512571A1 (de) 1975-10-02
FR2265114B1 (enExample) 1977-11-25
GB1501014A (en) 1978-02-15
JPS50123339U (enExample) 1975-10-08
US4001845A (en) 1977-01-04
FR2265114A1 (enExample) 1975-10-17

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