JPS4917726A - - Google Patents

Info

Publication number
JPS4917726A
JPS4917726A JP47056329A JP5632972A JPS4917726A JP S4917726 A JPS4917726 A JP S4917726A JP 47056329 A JP47056329 A JP 47056329A JP 5632972 A JP5632972 A JP 5632972A JP S4917726 A JPS4917726 A JP S4917726A
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
JP47056329A
Other languages
Japanese (ja)
Other versions
JPS5529407B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.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
Priority to JP5632972A priority Critical patent/JPS5529407B2/ja
Priority to US365427A priority patent/US3889278A/en
Priority to DE2328422A priority patent/DE2328422C3/de
Publication of JPS4917726A publication Critical patent/JPS4917726A/ja
Publication of JPS5529407B2 publication Critical patent/JPS5529407B2/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
    • G03B7/091—Digital circuits
    • G03B7/093—Digital 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/18—Signals indicating condition of a camera member or suitability of light
    • G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Shutters For Cameras (AREA)
  • Exposure Control For Cameras (AREA)
JP5632972A 1972-06-06 1972-06-06 Expired JPS5529407B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP5632972A JPS5529407B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-06-06 1972-06-06
US365427A US3889278A (en) 1972-06-06 1973-05-13 Electric shutter control circuit
DE2328422A DE2328422C3 (de) 1972-06-06 1973-06-05 Digitale Verschluß-Steuerschaltung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5632972A JPS5529407B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-06-06 1972-06-06

Publications (2)

Publication Number Publication Date
JPS4917726A true JPS4917726A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-02-16
JPS5529407B2 JPS5529407B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-08-04

Family

ID=13024133

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5632972A Expired JPS5529407B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-06-06 1972-06-06

Country Status (3)

Country Link
US (1) US3889278A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5529407B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2328422C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50137734A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-04-22 1975-11-01
JPS50145133A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-05-11 1975-11-21
JPS50153932A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-05-31 1975-12-11
JPS50160037A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-06-17 1975-12-25
JPS516722A (ja) * 1974-07-08 1976-01-20 Asahi Optical Co Ltd Shifutorejisutagatadenkishatsutaniokeru shiborijidoseigyosochi
JPS5117433A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-08-02 1976-02-12 Asahi Optical Co Ltd
JPS5127930A (ja) * 1974-09-02 1976-03-09 Asahi Optical Co Ltd Dejitarushingoomochiita senkohodenhatsukoki no hatsukoseigyosochi
JPS5132326A (ja) * 1974-09-12 1976-03-18 Asahi Optical Co Ltd Senkohodenhatsukokiniokeru hatsukoseigyosochi
JPS5379533A (en) * 1976-12-24 1978-07-14 Nippon Chemical Ind Exposure control device for camera

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50123337A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-03-14 1975-09-27
US4034383A (en) * 1974-04-23 1977-07-05 Canon Kabushiki Kaisha Exposure control device
GB1505680A (en) * 1974-05-11 1978-03-30 Asahi Optical Co Ltd Electric shutter control arrangement for a camera
JPS5128727A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-09-04 1976-03-11 Canon Kk
JPS5141522A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-10-04 1976-04-07 Canon Kk
JPS5842451B2 (ja) * 1975-07-29 1983-09-20 日本電気株式会社 ロシユツキコウオセイギヨスルデ−タオ デイジタルサンシユツスルカイロ
JPS5238930A (en) * 1975-09-23 1977-03-25 Fuji Photo Film Co Ltd Automatic exposure control device for three variables camera
GB1555120A (en) * 1976-10-29 1979-11-07 Plessey Co Ltd Light sensitive integrated injection logic arrangement
DE2816861A1 (de) * 1978-04-18 1979-10-31 Agfa Gevaert Ag Blendenverschluss fuer eine fotografische kamera
US4519692A (en) * 1983-04-08 1985-05-28 Warner-Lambert Technologies, Inc. Exposure and camera control

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742826A (en) * 1970-01-07 1973-07-03 Canon Kk Exposure control device
US3748979A (en) * 1970-12-28 1973-07-31 Copal Co Ltd Electronic shutter apparatus for cameras

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50137734A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-04-22 1975-11-01
JPS50145133A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-05-11 1975-11-21
JPS50153932A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-05-31 1975-12-11
JPS50160037A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-06-17 1975-12-25
JPS516722A (ja) * 1974-07-08 1976-01-20 Asahi Optical Co Ltd Shifutorejisutagatadenkishatsutaniokeru shiborijidoseigyosochi
JPS5117433A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-08-02 1976-02-12 Asahi Optical Co Ltd
JPS5127930A (ja) * 1974-09-02 1976-03-09 Asahi Optical Co Ltd Dejitarushingoomochiita senkohodenhatsukoki no hatsukoseigyosochi
JPS5132326A (ja) * 1974-09-12 1976-03-18 Asahi Optical Co Ltd Senkohodenhatsukokiniokeru hatsukoseigyosochi
JPS5379533A (en) * 1976-12-24 1978-07-14 Nippon Chemical Ind Exposure control device for camera

Also Published As

Publication number Publication date
DE2328422A1 (de) 1974-01-03
DE2328422C3 (de) 1975-11-27
US3889278A (en) 1975-06-10
DE2328422B2 (de) 1975-03-20
JPS5529407B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-08-04

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