JPS5065226A - - Google Patents

Info

Publication number
JPS5065226A
JPS5065226A JP48113691A JP11369173A JPS5065226A JP S5065226 A JPS5065226 A JP S5065226A JP 48113691 A JP48113691 A JP 48113691A JP 11369173 A JP11369173 A JP 11369173A JP S5065226 A JPS5065226 A JP S5065226A
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
JP48113691A
Other languages
Japanese (ja)
Other versions
JPS5611930B2 (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 JP11369173A priority Critical patent/JPS5611930B2/ja
Priority to GB43495/74A priority patent/GB1487099A/en
Priority to US05/513,294 priority patent/US3952318A/en
Priority to DE19742448234 priority patent/DE2448234C3/de
Publication of JPS5065226A publication Critical patent/JPS5065226A/ja
Publication of JPS5611930B2 publication Critical patent/JPS5611930B2/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)
JP11369173A 1973-10-09 1973-10-09 Expired JPS5611930B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP11369173A JPS5611930B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-10-09 1973-10-09
GB43495/74A GB1487099A (en) 1973-10-09 1974-10-08 Electric exposure time computation circuit for a camera
US05/513,294 US3952318A (en) 1973-10-09 1974-10-09 Shutter control circuit for cameras
DE19742448234 DE2448234C3 (de) 1973-10-09 1974-10-09 Anordnung zur automatischen Belichtungszeitsteuerung für photographische Kameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11369173A JPS5611930B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-10-09 1973-10-09

Publications (2)

Publication Number Publication Date
JPS5065226A true JPS5065226A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-06-02
JPS5611930B2 JPS5611930B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-03-18

Family

ID=14618729

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11369173A Expired JPS5611930B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-10-09 1973-10-09

Country Status (3)

Country Link
US (1) US3952318A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5611930B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1487099A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51158229U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1975-06-09 1976-12-16
JPS55164907U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1979-05-17 1980-11-27
JPS55167693U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1979-05-18 1980-12-02

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4180310A (en) * 1975-04-25 1979-12-25 Asahi Kogaku Kogyo Kabushiki Kaisha Photometric circuit
JPS5922167B2 (ja) * 1975-04-25 1984-05-24 旭光学工業 （株） 測光・演算回路

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3690230A (en) * 1969-12-25 1972-09-12 Asahi Optical Co Ltd Electronic circuits for automatic camera controls

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5025336B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1967-11-28 1975-08-22
US3836921A (en) * 1970-05-28 1974-09-17 Asahi Optical Co Ltd Camera eyepiece light compensation arrangement
DE2147350C3 (de) * 1970-09-30 1974-05-22 Nippon Kogaku K.K., Tokio Schaltung zur automatischen Steuerung der Belichtungszeit
GB1376080A (en) * 1971-02-27 1974-12-04 Asahi Optical Co Ltd Exposure-determing device for a camera
US3848986A (en) * 1971-05-12 1974-11-19 Asahi Optical Co Ltd Camera shutter controls for extremely short exposure time

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3690230A (en) * 1969-12-25 1972-09-12 Asahi Optical Co Ltd Electronic circuits for automatic camera controls

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51158229U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1975-06-09 1976-12-16
JPS55164907U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1979-05-17 1980-11-27
JPS55167693U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1979-05-18 1980-12-02

Also Published As

Publication number Publication date
GB1487099A (en) 1977-09-28
DE2448234B2 (de) 1976-06-16
JPS5611930B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-03-18
DE2448234A1 (de) 1975-04-10
US3952318A (en) 1976-04-20

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