JPH0140333B2 - - Google Patents

Info

Publication number
JPH0140333B2
JPH0140333B2 JP17059180A JP17059180A JPH0140333B2 JP H0140333 B2 JPH0140333 B2 JP H0140333B2 JP 17059180 A JP17059180 A JP 17059180A JP 17059180 A JP17059180 A JP 17059180A JP H0140333 B2 JPH0140333 B2 JP H0140333B2
Authority
JP
Japan
Prior art keywords
operational amplifier
output
input terminal
switching element
shutter
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
Application number
JP17059180A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5793327A (en
Inventor
Toshihide Myake
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP17059180A priority Critical patent/JPS5793327A/ja
Publication of JPS5793327A publication Critical patent/JPS5793327A/ja
Publication of JPH0140333B2 publication Critical patent/JPH0140333B2/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
    • G03B7/08—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)
  • Exposure Control For Cameras (AREA)
JP17059180A 1980-12-02 1980-12-02 Electronic shutter integration circuit Granted JPS5793327A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17059180A JPS5793327A (en) 1980-12-02 1980-12-02 Electronic shutter integration circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17059180A JPS5793327A (en) 1980-12-02 1980-12-02 Electronic shutter integration circuit

Publications (2)

Publication Number Publication Date
JPS5793327A JPS5793327A (en) 1982-06-10
JPH0140333B2 true JPH0140333B2 (enrdf_load_stackoverflow) 1989-08-28

Family

ID=15907670

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17059180A Granted JPS5793327A (en) 1980-12-02 1980-12-02 Electronic shutter integration circuit

Country Status (1)

Country Link
JP (1) JPS5793327A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5893918U (ja) * 1981-12-18 1983-06-25 オリンパス光学工業株式会社 カメラの測光装置
JP2667673B2 (ja) * 1988-03-19 1997-10-27 シャープ株式会社 積分回路

Also Published As

Publication number Publication date
JPS5793327A (en) 1982-06-10

Similar Documents

Publication Publication Date Title
US3679905A (en) Electronic shutter device comprising logarithmic-antilogarithmic circuitry
US3849786A (en) Light integrating type light detector circuit with photovoltaic cell
US4076977A (en) Light measuring circuit with stray capacitance compensating means
US4188551A (en) Amplifier circuit having photoelectric converter
JPH0140333B2 (enrdf_load_stackoverflow)
US3343043A (en) Automatic exposure time control arrangement
US3855603A (en) Shutter operating circuits for photographic cameras
US3808463A (en) Integrated function generator
US3962708A (en) Electric shutter operating circuits
US3877039A (en) Exposure control system for cameras
JPH0115174B2 (enrdf_load_stackoverflow)
US4647175A (en) Circuit arrangement for an electronic exposure meter
US4295718A (en) Exposure control circuit of camera
US3836921A (en) Camera eyepiece light compensation arrangement
US4059835A (en) Bypass circuits for improving the response of electric shutters
US4444481A (en) Exposure control circuit for a camera
US4498753A (en) Photometric apparatus for cameras
US3763751A (en) Automatic shutter control circuit
JPS598807B2 (ja) 一眼レフレツクスカメラ用記憶式電気シヤツタ−の露光時間自動調定装置
US4021822A (en) Electrically controlled shutter
JPS6111698Y2 (enrdf_load_stackoverflow)
US4007466A (en) Electrical system having a photoelectric converter to be used in photography
US3971045A (en) Light measuring circuit
CN108696744B (zh) 图像检测电路及图像检测方法
US3750546A (en) Electric shutter operating circuit