JPH02128473U - - Google Patents

Info

Publication number
JPH02128473U
JPH02128473U JP1989036753U JP3675389U JPH02128473U JP H02128473 U JPH02128473 U JP H02128473U JP 1989036753 U JP1989036753 U JP 1989036753U JP 3675389 U JP3675389 U JP 3675389U JP H02128473 U JPH02128473 U JP H02128473U
Authority
JP
Japan
Prior art keywords
increasing
operation switch
illuminance
sensitivity
turned
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
JP1989036753U
Other languages
English (en)
Other versions
JP2554670Y2 (ja
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 filed Critical
Priority to JP1989036753U priority Critical patent/JP2554670Y2/ja
Publication of JPH02128473U publication Critical patent/JPH02128473U/ja
Application granted granted Critical
Publication of JP2554670Y2 publication Critical patent/JP2554670Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Transforming Light Signals Into Electric Signals (AREA)
  • Color Television Image Signal Generators (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の一実施例の構成図、第２図
はＡＧＣ制御信号と照度との関係を示す図、第３
図はレベル検出器の構成図、第４図はその基準電
圧を示す図、第５図はＡＧＣアンプの出力信号と
照度との関係を示す図である。 １……撮像素子、２……ＡＧＣアンプ、２ａ，
２ｂ，１３……ポテンシヨメータ、３……プロセ
ス回路、４，７，１４……レベル検出器、５……
アイリスドライバ、６……アイリス、８，１１…
…アンプ、９，１２……切換スイツチ、１０……
Υ補正回路、１５……コントローラ、１６……操
作スイツチ、１７……ＶＴＲ、１８……ＶＴＲ制
御回路、１９……エンコーダ。

Claims (1)

  1. 【実用新案登録請求の範囲】 ＡＧＣアンプ等のゲインを上げて感度アツプを
    する機能と、アイリスの開きを大きくして逆光補
    正をする機能とを有するビデオカメラにおいて、 照度検出手段と、上記感度アツプおよび逆光補
    正用の１個の操作スイツチとを設け、 推奨照度以下で上記操作スイツチがオンとされ
    るときには上記感度アツプが行なわれ、推奨照度
    以上で上記操作スイツチがオンとされるときには
    上記逆光補正が行なわれることを特徴とするビデ
    オカメラ。
JP1989036753U 1989-03-30 1989-03-30 ビデオカメラ Expired - Lifetime JP2554670Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989036753U JP2554670Y2 (ja) 1989-03-30 1989-03-30 ビデオカメラ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989036753U JP2554670Y2 (ja) 1989-03-30 1989-03-30 ビデオカメラ

Publications (2)

Publication Number Publication Date
JPH02128473U true JPH02128473U (ja) 1990-10-23
JP2554670Y2 JP2554670Y2 (ja) 1997-11-17

Family

ID=31543262

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989036753U Expired - Lifetime JP2554670Y2 (ja) 1989-03-30 1989-03-30 ビデオカメラ

Country Status (1)

Country Link
JP (1) JP2554670Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04247777A (ja) * 1991-02-04 1992-09-03 Sharp Corp ビデオカメラ用感度アップ回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04247777A (ja) * 1991-02-04 1992-09-03 Sharp Corp ビデオカメラ用感度アップ回路

Also Published As

Publication number Publication date
JP2554670Y2 (ja) 1997-11-17

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term