JPS5250229A - Exposure contorol circuit for camera - Google Patents

Exposure contorol circuit for camera

Info

Publication number
JPS5250229A
JPS5250229A JP50126062A JP12606275A JPS5250229A JP S5250229 A JPS5250229 A JP S5250229A JP 50126062 A JP50126062 A JP 50126062A JP 12606275 A JP12606275 A JP 12606275A JP S5250229 A JPS5250229 A JP S5250229A
Authority
JP
Japan
Prior art keywords
contorol
exposure
camera
circuit
anodet
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
JP50126062A
Other languages
Japanese (ja)
Inventor
Shinichiro Fujino
Saburo Numata
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.)
Fujinon Corp
Original Assignee
Fuji Photo 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 Fuji Photo Optical Co Ltd filed Critical Fuji Photo Optical Co Ltd
Priority to JP50126062A priority Critical patent/JPS5250229A/en
Publication of JPS5250229A publication Critical patent/JPS5250229A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exposure Control For Cameras (AREA)

Abstract

PURPOSE: To obtain a very quick response speed by energizing a preset electric current via a high resistance or a diode to the anodet terminal of a light receiving element coupled to the input of an operational amplifier.
COPYRIGHT: (C)1977,JPO&Japio
JP50126062A 1975-10-20 1975-10-20 Exposure contorol circuit for camera Pending JPS5250229A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50126062A JPS5250229A (en) 1975-10-20 1975-10-20 Exposure contorol circuit for camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50126062A JPS5250229A (en) 1975-10-20 1975-10-20 Exposure contorol circuit for camera

Publications (1)

Publication Number Publication Date
JPS5250229A true JPS5250229A (en) 1977-04-22

Family

ID=14925673

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50126062A Pending JPS5250229A (en) 1975-10-20 1975-10-20 Exposure contorol circuit for camera

Country Status (1)

Country Link
JP (1) JPS5250229A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4498753A (en) * 1983-01-12 1985-02-12 Olympus Optical Co., Ltd. Photometric apparatus for cameras

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5031929B1 (en) * 1970-08-06 1975-10-16
JPS5118128B1 (en) * 1969-11-25 1976-06-08 Rca Corp

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5118128B1 (en) * 1969-11-25 1976-06-08 Rca Corp
JPS5031929B1 (en) * 1970-08-06 1975-10-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4498753A (en) * 1983-01-12 1985-02-12 Olympus Optical Co., Ltd. Photometric apparatus for cameras

Similar Documents

Publication Publication Date Title
JPS544123A (en) Exposure control device for camera
JPS51121326A (en) Automatic focusing device for camera
JPS5250229A (en) Exposure contorol circuit for camera
JPS527724A (en) Memory lock circuit for the camera
JPS5216981A (en) Integrate circuit unit
JPS52110037A (en) Electric source switch for detection circuit for focusing state
JPS52107831A (en) Analog operational adjusting unit for cameras
JPS5236746A (en) Stabilizing circuit of voltage
JPS52102557A (en) Constant current source
JPS51124424A (en) Switch device
JPS5249028A (en) Exposure control circuit for the camera
JPS53144235A (en) Variable gain amplifier circuit
JPS5221641A (en) Constant-voltage circuit
JPS5220022A (en) Exposure control device for the camera
JPS5248958A (en) Constant current relay
JPS5290014A (en) Control device for motor with no commutator
JPS51147719A (en) Boosting circuit
JPS5221871A (en) Potential difference responding circuit
JPS522733A (en) Light amount control device at the time of flash photographing
JPS5248317A (en) Flash camera
JPS51130115A (en) Picture signal clamping circuit
JPS5279192A (en) Sequence controller which enables fault detection of output element
JPS5329651A (en) Solid state relay circuit
JPS52119928A (en) Photo-electroconversion circuit
JPS51122437A (en) Light measure circuit