JPS4984644A - - Google Patents

Info

Publication number
JPS4984644A
JPS4984644A JP47127973A JP12797372A JPS4984644A JP S4984644 A JPS4984644 A JP S4984644A JP 47127973 A JP47127973 A JP 47127973A JP 12797372 A JP12797372 A JP 12797372A JP S4984644 A JPS4984644 A JP S4984644A
Authority
JP
Japan
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.)
Pending
Application number
JP47127973A
Other languages
Japanese (ja)
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 filed Critical
Priority to JP47127973A priority Critical patent/JPS4984644A/ja
Priority to US425291A priority patent/US3922691A/en
Priority to DE19732363541 priority patent/DE2363541C3/de
Publication of JPS4984644A publication Critical patent/JPS4984644A/ja
Pending 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Details Of Cameras Including Film Mechanisms (AREA)
  • Exposure Control For Cameras (AREA)
  • Shutters For Cameras (AREA)
JP47127973A 1972-12-20 1972-12-20 Pending JPS4984644A (enExample)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP47127973A JPS4984644A (enExample) 1972-12-20 1972-12-20
US425291A US3922691A (en) 1972-12-20 1973-12-17 Electronic shutter for photographic camera
DE19732363541 DE2363541C3 (de) 1972-12-20 1973-12-20 Elektronischer Verschluß

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47127973A JPS4984644A (enExample) 1972-12-20 1972-12-20

Publications (1)

Publication Number Publication Date
JPS4984644A true JPS4984644A (enExample) 1974-08-14

Family

ID=14973260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47127973A Pending JPS4984644A (enExample) 1972-12-20 1972-12-20

Country Status (2)

Country Link
US (1) US3922691A (enExample)
JP (1) JPS4984644A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5072247A (en) * 1990-07-09 1991-12-10 Bovee John A Infrared remote control device
US5430518A (en) * 1991-10-09 1995-07-04 Asahi Kogaku Kogyo Kabushiki Kaisha Remote control camera

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5418568A (en) * 1977-07-09 1979-02-10 Hitachi Ltd Hydraulic elevator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3363250A (en) * 1965-07-20 1968-01-09 Jacobson Irving Monitoring system for remote radio control
US3636850A (en) * 1968-04-24 1972-01-25 Copal Co Ltd Shutter operator using permanent and electromagnets
US3686672A (en) * 1968-12-19 1972-08-22 Yokosho Co Ltd Radio control system for camera
US3641902A (en) * 1970-04-20 1972-02-15 Copal Co Ltd Electronic shutter with electronically controlled self-timer for photographic camera

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5418568A (en) * 1977-07-09 1979-02-10 Hitachi Ltd Hydraulic elevator

Also Published As

Publication number Publication date
US3922691A (en) 1975-11-25
DE2363541A1 (de) 1974-07-11
DE2363541B2 (de) 1977-03-10

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