JPS5177286A - Roshutsuseigyosochi - Google Patents

Roshutsuseigyosochi

Info

Publication number
JPS5177286A
JPS5177286A JP50003778A JP377875A JPS5177286A JP S5177286 A JPS5177286 A JP S5177286A JP 50003778 A JP50003778 A JP 50003778A JP 377875 A JP377875 A JP 377875A JP S5177286 A JPS5177286 A JP S5177286A
Authority
JP
Japan
Prior art keywords
roshutsuseigyosochi
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.)
Pending
Application number
JP50003778A
Other languages
English (en)
Inventor
Yoryuki Uno
Tetsushi Shono
Fumio Urano
Masahiro Kawasaki
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority to JP50003778A priority Critical patent/JPS5177286A/ja
Priority to DE2558617A priority patent/DE2558617C3/de
Priority to US05/644,018 priority patent/US4123764A/en
Publication of JPS5177286A publication Critical patent/JPS5177286A/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
    • 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
    • G03B7/087—Analogue circuits for control of both exposure time and aperture
JP50003778A 1974-12-26 1974-12-26 Roshutsuseigyosochi Pending JPS5177286A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP50003778A JPS5177286A (en) 1974-12-26 1974-12-26 Roshutsuseigyosochi
DE2558617A DE2558617C3 (de) 1974-12-26 1975-12-24 Vorrichtung zur automatischen Belichtungssteuerung
US05/644,018 US4123764A (en) 1974-12-26 1975-12-24 Exposure control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50003778A JPS5177286A (en) 1974-12-26 1974-12-26 Roshutsuseigyosochi

Publications (1)

Publication Number Publication Date
JPS5177286A true JPS5177286A (en) 1976-07-05

Family

ID=11566631

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50003778A Pending JPS5177286A (en) 1974-12-26 1974-12-26 Roshutsuseigyosochi

Country Status (3)

Country Link
US (1) US4123764A (ja)
JP (1) JPS5177286A (ja)
DE (1) DE2558617C3 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4794418A (en) * 1986-12-12 1988-12-27 Asahi Kogaku Kogyo Kabushiki Kaisha Programmed shutter and apparatus for preventing foreign matter on lens from being photographed in a lens shutter type of camera
GB2272068B (en) * 1992-10-20 1996-07-31 Asahi Optical Co Ltd Camera with learning function
CN103188446B (zh) * 2012-11-30 2016-06-08 深圳市捷高电子科技有限公司 摄像机的曝光方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS494583A (ja) * 1972-04-25 1974-01-16

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3554104A (en) * 1967-05-05 1971-01-12 Agfa Gevaert Ag Exposure control for photographic cameras
GB1256607A (ja) * 1968-12-16 1971-12-08
JPS4923779B1 (ja) * 1970-07-03 1974-06-18
JPS48104529A (ja) * 1971-10-14 1973-12-27
JPS4928337A (ja) * 1972-07-04 1974-03-13
JPS5331803Y2 (ja) * 1972-07-10 1978-08-08
JPS5312608Y2 (ja) * 1972-08-31 1978-04-05
JPS5016933U (ja) * 1973-04-10 1975-02-22
DE2463382C2 (de) * 1973-07-16 1986-09-04 Canon K.K., Tokio/Tokyo Elektronische Belichtungssteuereinrichtung
US3950765A (en) * 1973-07-17 1976-04-13 Minolta Camera Kabushiki Kaisha Exposure control devices for photographic cameras
JPS618414B2 (ja) * 1973-07-17 1986-03-14 Minolta Camera Kk
US4011569A (en) * 1974-10-01 1977-03-08 Canon Kabushiki Kaisha Exposure control system for a camera

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS494583A (ja) * 1972-04-25 1974-01-16

Also Published As

Publication number Publication date
US4123764A (en) 1978-10-31
DE2558617A1 (de) 1976-07-01
DE2558617B2 (de) 1977-11-17
DE2558617C3 (de) 1978-07-20

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