JPH0378832B2 - - Google Patents

Info

Publication number
JPH0378832B2
JPH0378832B2 JP57072849A JP7284982A JPH0378832B2 JP H0378832 B2 JPH0378832 B2 JP H0378832B2 JP 57072849 A JP57072849 A JP 57072849A JP 7284982 A JP7284982 A JP 7284982A JP H0378832 B2 JPH0378832 B2 JP H0378832B2
Authority
JP
Japan
Prior art keywords
voltage
capacitor
variable
variably
photometry method
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
JP57072849A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58190164A (ja
Inventor
Tooru Kano
Terumi Ogasawara
Masayuki Arai
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.)
Pentax Precision Co Ltd
Original Assignee
Asahi Seimitsu KK
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 Asahi Seimitsu KK filed Critical Asahi Seimitsu KK
Priority to JP57072849A priority Critical patent/JPS58190164A/ja
Publication of JPS58190164A publication Critical patent/JPS58190164A/ja
Publication of JPH0378832B2 publication Critical patent/JPH0378832B2/ja
Granted legal-status Critical Current

Links

JP57072849A 1982-04-30 1982-04-30 Ｃｃｔｖカメラ用自動絞り制御装置 Granted JPS58190164A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57072849A JPS58190164A (ja) 1982-04-30 1982-04-30 Ｃｃｔｖカメラ用自動絞り制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57072849A JPS58190164A (ja) 1982-04-30 1982-04-30 Ｃｃｔｖカメラ用自動絞り制御装置

Publications (2)

Publication Number Publication Date
JPS58190164A JPS58190164A (ja) 1983-11-07
JPH0378832B2 true JPH0378832B2 (en]) 1991-12-16

Family

ID=13501234

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57072849A Granted JPS58190164A (ja) 1982-04-30 1982-04-30 Ｃｃｔｖカメラ用自動絞り制御装置

Country Status (1)

Country Link
JP (1) JPS58190164A (en])

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49116923U (en]) * 1973-02-05 1974-10-05
JPS53119820U (en]) * 1977-02-28 1978-09-22
JPS6016141Y2 (ja) * 1978-01-20 1985-05-20 日本ビクター株式会社 ビデオレベル検波回路

Also Published As

Publication number Publication date
JPS58190164A (ja) 1983-11-07

Similar Documents

Publication Publication Date Title
CA1309166C (en) Image sensing apparatus having automatic iris function of automatically adjusting exposure in response to video signal
US4409620A (en) Picture division type automatic exposure control device for television camera
JPS6167383A (ja) ホワイトバランスの自動調整回路
US4833525A (en) High speed color balance adjusting device capable of compensating for a flickering light source
US5465116A (en) Image pickup device having white balance control function
US4472743A (en) Automatic diaphragm control device for a closed circuit television camera
JPH0586706B2 (en])
JPH0378832B2 (en])
US5239368A (en) High speed color balance adjusting device capable of compensating for a flickering light source
US4547808A (en) Photometric circuit incorporated in objective provided with automatic diaphragm for closed circuit television (CCTV) camera
US5351080A (en) Color temperature control by comparing chrominance signals with reference levels
JPS5821977A (ja) Ｃｃｔｖカメラ用自動絞り制御装置
JPS5850866A (ja) Ｃｃｔｖカメラ用自動絞り制御装置
JPH0324832B2 (en])
JP2668144B2 (ja) 撮像装置
JPS642270B2 (en])
JPH0771217B2 (ja) テレビカメラ用レンズの可変測光型自動絞り制御装置
JPS61159870A (ja) テレビカメラ用レンズの可変測光型自動絞り制御装置
JPH0695764B2 (ja) 撮像装置
KR200146240Y1 (ko) 전자 뷰 파인더의 밝기 자동 조절회로
JPS58143672A (ja) ビデオカメラ用レンズの自動絞り装置
JPS6016072A (ja) 撮像装置
JPH0513087Y2 (en])
JPH0522653A (ja) 撮像装置の露光制御方法
JPH0733495Y2 (ja) テレビカメラ用レンズの可変測光型自動絞り制御装置