JPS585721A - 電気シヤツタ−回路 - Google Patents

電気シヤツタ−回路

Info

Publication number
JPS585721A
JPS585721A JP10382781A JP10382781A JPS585721A JP S585721 A JPS585721 A JP S585721A JP 10382781 A JP10382781 A JP 10382781A JP 10382781 A JP10382781 A JP 10382781A JP S585721 A JPS585721 A JP S585721A
Authority
JP
Japan
Prior art keywords
circuit
asa
transistor
input information
change
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.)
Granted
Application number
JP10382781A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0123769B2 (cs
Inventor
Toshihide Miyake
敏英 三宅
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 true JPS585721A (ja) 1983-01-13
JPH0123769B2 JPH0123769B2 (cs) 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 (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61246727A (ja) * 1985-04-24 1986-11-04 Olympus Optical Co Ltd 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61246727A (ja) * 1985-04-24 1986-11-04 Olympus Optical Co Ltd 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
JPH0123769B2 (cs) 1989-05-08

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