JPH0514258B2 - - Google Patents

Info

Publication number
JPH0514258B2
JPH0514258B2 JP57097865A JP9786582A JPH0514258B2 JP H0514258 B2 JPH0514258 B2 JP H0514258B2 JP 57097865 A JP57097865 A JP 57097865A JP 9786582 A JP9786582 A JP 9786582A JP H0514258 B2 JPH0514258 B2 JP H0514258B2
Authority
JP
Japan
Prior art keywords
circuit
mode
value
input
transistor
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.)
Expired - Lifetime
Application number
JP57097865A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58215636A (ja
Inventor
Yoshihisa Yonetani
Katsuhiko Tsunefuji
Masabumi Yamazaki
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP57097865A priority Critical patent/JPS58215636A/ja
Publication of JPS58215636A publication Critical patent/JPS58215636A/ja
Publication of JPH0514258B2 publication Critical patent/JPH0514258B2/ja
Granted 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
    • G03B7/28—Circuitry to measure or to take account of the object contrast

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
JP57097865A 1982-06-09 1982-06-09 カメラ Granted JPS58215636A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57097865A JPS58215636A (ja) 1982-06-09 1982-06-09 カメラ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57097865A JPS58215636A (ja) 1982-06-09 1982-06-09 カメラ

Publications (2)

Publication Number Publication Date
JPS58215636A JPS58215636A (ja) 1983-12-15
JPH0514258B2 true JPH0514258B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-02-24

Family

ID=14203644

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57097865A Granted JPS58215636A (ja) 1982-06-09 1982-06-09 カメラ

Country Status (1)

Country Link
JP (1) JPS58215636A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49131129A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-04-05 1974-12-16
JPS5570822A (en) * 1978-11-21 1980-05-28 Minolta Camera Co Ltd Automatic exposure control unit
JPS5738423A (en) * 1980-08-19 1982-03-03 Minolta Camera Co Ltd Exposure display device of camera
JPS5833229A (ja) * 1981-08-20 1983-02-26 Canon Inc カメラ

Also Published As

Publication number Publication date
JPS58215636A (ja) 1983-12-15

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