JPS60177578U - Color temperature correction device for video cameras - Google Patents
Color temperature correction device for video camerasInfo
- Publication number
- JPS60177578U JPS60177578U JP6445984U JP6445984U JPS60177578U JP S60177578 U JPS60177578 U JP S60177578U JP 6445984 U JP6445984 U JP 6445984U JP 6445984 U JP6445984 U JP 6445984U JP S60177578 U JPS60177578 U JP S60177578U
- Authority
- JP
- Japan
- Prior art keywords
- constant current
- correction device
- temperature correction
- color temperature
- current circuit
- 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
Landscapes
- Color Television Image Signal Generators (AREA)
- Processing Of Color Television Signals (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１゛図は本考案の一実施例のブロック図、第２図は演
算回路ＯＰの一例回路図、第３図は従来例のブロン′り
図である。
ＲＲ，ＲＢ、 ＲＧ：光導電体、ＱＲ，ＱＢ、ＱＧ：ト
ランジスタ、ＯＰ：演算回路、Ｂ：電源である。FIG. 1 is a block diagram of an embodiment of the present invention, FIG. 2 is a circuit diagram of an example of an arithmetic circuit OP, and FIG. 3 is a block diagram of a conventional example. RR, RB, RG: photoconductor; QR, QB, QG: transistor; OP: arithmetic circuit; B: power supply.
Claims (1)
接続された定電流回路と、上記色を感じる光導電体の１
個とその定電流回路との接続点での電圧値を一定に保つ
信号を発生し、この信号を上記各定電流回路に供給する
演算回路とよりなるカメラ色温度補正装置にあって、こ
れらの各定電流回路としてトランジスタをエミッタ接地
でコレクタに上記対応する光導電体を直列に接続し、ベ
ースに上記演算回路からの出力を伝えるように構成した
ことを特徴とするビデオカメラ用色温度補正装置。A plurality of color-sensing photoconductors, a constant current circuit connected in series with each of these photoconductors, and one of the color-sensing photoconductors.
The camera color temperature correction device consists of an arithmetic circuit that generates a signal to maintain a constant voltage value at the connection point between each constant current circuit and its constant current circuit, and supplies this signal to each of the constant current circuits. A color temperature correction device for a video camera, characterized in that a transistor is connected in series with the corresponding photoconductor as each constant current circuit with its emitter being grounded, and the collector is connected in series, and the output from the arithmetic circuit is transmitted to the base. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6445984U JPS60177578U (en) | 1984-05-02 | 1984-05-02 | Color temperature correction device for video cameras |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6445984U JPS60177578U (en) | 1984-05-02 | 1984-05-02 | Color temperature correction device for video cameras |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60177578U true JPS60177578U (en) | 1985-11-26 |
Family
ID=30595563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6445984U Pending JPS60177578U (en) | 1984-05-02 | 1984-05-02 | Color temperature correction device for video cameras |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60177578U (en) |
-
1984
- 1984-05-02 JP JP6445984U patent/JPS60177578U/en active Pending
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