JPS4922120A - - Google Patents

Info

Publication number
JPS4922120A
JPS4922120A JP48044626A JP4462673A JPS4922120A JP S4922120 A JPS4922120 A JP S4922120A JP 48044626 A JP48044626 A JP 48044626A JP 4462673 A JP4462673 A JP 4462673A JP S4922120 A JPS4922120 A JP S4922120A
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.)
Granted
Application number
JP48044626A
Other languages
Japanese (ja)
Other versions
JPS5340448B2 (cg-RX-API-DMAC7.html
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
Publication of JPS4922120A publication Critical patent/JPS4922120A/ja
Publication of JPS5340448B2 publication Critical patent/JPS5340448B2/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
    • 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
    • G03B7/085—Analogue circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)
  • Exposure Control For Cameras (AREA)
JP4462673A 1972-04-21 1973-04-19 Expired JPS5340448B2 (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24580072A 1972-04-21 1972-04-21

Publications (2)

Publication Number Publication Date
JPS4922120A true JPS4922120A (cg-RX-API-DMAC7.html) 1974-02-27
JPS5340448B2 JPS5340448B2 (cg-RX-API-DMAC7.html) 1978-10-27

Family

ID=22928131

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4462673A Expired JPS5340448B2 (cg-RX-API-DMAC7.html) 1972-04-21 1973-04-19

Country Status (5)

Country Link
JP (1) JPS5340448B2 (cg-RX-API-DMAC7.html)
CA (1) CA991465A (cg-RX-API-DMAC7.html)
DE (1) DE2318510C2 (cg-RX-API-DMAC7.html)
FR (1) FR2181312A5 (cg-RX-API-DMAC7.html)
GB (1) GB1417044A (cg-RX-API-DMAC7.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4879200A (cg-RX-API-DMAC7.html) * 1972-01-25 1973-10-24
JPS50139729A (cg-RX-API-DMAC7.html) * 1974-04-24 1975-11-08
JPS5796425U (cg-RX-API-DMAC7.html) * 1980-12-04 1982-06-14

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3942183A (en) * 1974-07-02 1976-03-02 Polaroid Corporation Camera with pivoting blades
US3995295A (en) * 1975-08-28 1976-11-30 Polaroid Corporation Electro-mechanical shutter system having mechanical latch
JPS5449128A (en) * 1977-09-27 1979-04-18 Seiko Koki Kk Electromagnetic drive apparatus of shutter for camera

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3641889A (en) * 1970-09-02 1972-02-15 Polaroid Corp Exposure control system
JPS4817321B1 (cg-RX-API-DMAC7.html) * 1970-09-25 1973-05-29

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4879200A (cg-RX-API-DMAC7.html) * 1972-01-25 1973-10-24
JPS50139729A (cg-RX-API-DMAC7.html) * 1974-04-24 1975-11-08
JPS5796425U (cg-RX-API-DMAC7.html) * 1980-12-04 1982-06-14

Also Published As

Publication number Publication date
GB1417044A (en) 1975-12-10
DE2318510C2 (de) 1983-02-17
FR2181312A5 (cg-RX-API-DMAC7.html) 1973-11-30
CA991465A (en) 1976-06-22
JPS5340448B2 (cg-RX-API-DMAC7.html) 1978-10-27
DE2318510A1 (de) 1973-10-31

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