JPH02100384U - - Google Patents
Info
- Publication number
- JPH02100384U JPH02100384U JP818989U JP818989U JPH02100384U JP H02100384 U JPH02100384 U JP H02100384U JP 818989 U JP818989 U JP 818989U JP 818989 U JP818989 U JP 818989U JP H02100384 U JPH02100384 U JP H02100384U
- Authority
- JP
- Japan
- Prior art keywords
- camera device
- television camera
- circuit
- preamplifier
- color television
- 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
Links
- 230000035945 sensitivity Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Description
第１図は本考案の一実施例に係るカラーテレビ
ジヨンカメラ装置の構成を示すブロツク図である
。
１：レンズ、２：色分解光学系、３，４，５：
撮像素子、６，７，８：プリアンプ、９，１０，
１１：感度切替端子、１２，１３：電圧制限可変
利得増幅器、１４，１５：制御端子、１６：プロ
セスアンプ及びエンコーダー、１７：映像出力端
子、１８：オートホワイトバランス回路、１９：
完了表示出力端子、２０：動作停止入力端子、２
１：オートホワイト動作制御端子、２２：赤チヤ
ンネルゲインコントロール出力端子、２３：青チ
ヤンネルゲインコントロール出力端子、２４：基
準電圧、２５：電圧比較器、２６：オートホワイ
トスイツチ、２７，２９：ＯＲゲート、２８：Ｄ
フリツプフロツプ、３０：感度切替スイツチ。
FIG. 1 is a block diagram showing the configuration of a color television camera device according to an embodiment of the present invention. 1: Lens, 2: Color separation optical system, 3, 4, 5:
Image sensor, 6, 7, 8: Preamplifier, 9, 10,
11: Sensitivity switching terminal, 12, 13: Voltage limiting variable gain amplifier, 14, 15: Control terminal, 16: Process amplifier and encoder, 17: Video output terminal, 18: Auto white balance circuit, 19:
Completion display output terminal, 20: Operation stop input terminal, 2
1: Auto white operation control terminal, 22: Red channel gain control output terminal, 23: Blue channel gain control output terminal, 24: Reference voltage, 25: Voltage comparator, 26: Auto white switch, 27, 29: OR gate, 28:D
Flip-flop, 30: Sensitivity selector switch.
Claims (1)
ホワイトバランス回路を備えたカラーテレビジヨ
ンカメラ装置において、映像信号レベルを検出す
る検出回路と、この検出回路の検出結果に基づい
てプリアンプの感度切替を行なう切替回路とを有
することを特徴とするカラーテレビジヨンカメラ
装置。 In a color television camera device equipped with an auto white balance circuit that receives a video signal from a preamplifier, a detection circuit that detects the video signal level and a switching circuit that switches the sensitivity of the preamplifier based on the detection result of this detection circuit. A color television camera device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP818989U JPH02100384U (en) | 1989-01-26 | 1989-01-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP818989U JPH02100384U (en) | 1989-01-26 | 1989-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02100384U true JPH02100384U (en) | 1990-08-09 |
Family
ID=31511825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP818989U Pending JPH02100384U (en) | 1989-01-26 | 1989-01-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02100384U (en) |
-
1989
- 1989-01-26 JP JP818989U patent/JPH02100384U/ja active Pending
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