JPH0123769B2 - - Google Patents

Info

Publication number
JPH0123769B2
JPH0123769B2 JP10382781A JP10382781A JPH0123769B2 JP H0123769 B2 JPH0123769 B2 JP H0123769B2 JP 10382781 A JP10382781 A JP 10382781A JP 10382781 A JP10382781 A JP 10382781A JP H0123769 B2 JPH0123769 B2 JP H0123769B2
Authority
JP
Japan
Prior art keywords
circuit
voltage
resistor
output
operational amplifier
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
JP10382781A
Other languages
English (en)
Japanese (ja)
Other versions
JPS585721A (ja
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 JP10382781A priority Critical patent/JPS585721A/ja
Publication of JPS585721A publication Critical patent/JPS585721A/ja
Publication of JPH0123769B2 publication Critical patent/JPH0123769B2/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)
JP10382781A 1981-07-01 1981-07-01 電気シヤツタ−回路 Granted JPS585721A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10382781A JPS585721A (ja) 1981-07-01 1981-07-01 電気シヤツタ−回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10382781A JPS585721A (ja) 1981-07-01 1981-07-01 電気シヤツタ−回路

Publications (2)

Publication Number Publication Date
JPS585721A JPS585721A (ja) 1983-01-13
JPH0123769B2 true JPH0123769B2 (enrdf_load_html_response) 1989-05-08

Family

ID=14364243

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10382781A Granted JPS585721A (ja) 1981-07-01 1981-07-01 電気シヤツタ−回路

Country Status (1)

Country Link
JP (1) JPS585721A (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0719007B2 (ja) * 1985-04-24 1995-03-06 オリンパス光学工業株式会社 カメラの自動露出回路
JPS634225A (ja) * 1986-06-24 1988-01-09 Asahi Optical Co Ltd 電子シャッターカメラの測光アンプ

Also Published As

Publication number Publication date
JPS585721A (ja) 1983-01-13

Similar Documents

Publication Publication Date Title
JPS6214783B2 (enrdf_load_html_response)
US4015149A (en) Temperature compensating device for devices having semiconductors
US3911268A (en) Photodiode biasing circuit
JPS6031249B2 (ja) 測光増幅回路
JPH0123769B2 (enrdf_load_html_response)
JPH0120727B2 (enrdf_load_html_response)
JPH01318308A (ja) 対数増幅器
JPS59160130A (ja) 自動露出制御回路
JPS5540422A (en) Exposure information generating circuit of single-lens reflex camera
US4037234A (en) Exposure control system stabilized against temperature variation
US4403159A (en) Circuit for evaluating signals
US4004853A (en) Exposure meter circuit
JPH0279608A (ja) 演算増幅器のオフセット調整装置
US3952318A (en) Shutter control circuit for cameras
US4112443A (en) Shutter and low-light indicator actuating device for a camera
US4660956A (en) Electronic flash device
US4223271A (en) Integrating circuit
US4295718A (en) Exposure control circuit of camera
JPH0815318B2 (ja) カメラ
JPS6110184Y2 (enrdf_load_html_response)
JPH0461337B2 (enrdf_load_html_response)
JPS6023713Y2 (ja) カメラの測光回路
GB2090423A (en) Exposure control circuit for a camera
JPH0120726B2 (enrdf_load_html_response)
JPS61253433A (ja) 測光回路