JPH01162983U - - Google Patents
Info
- Publication number
- JPH01162983U JPH01162983U JP5963588U JP5963588U JPH01162983U JP H01162983 U JPH01162983 U JP H01162983U JP 5963588 U JP5963588 U JP 5963588U JP 5963588 U JP5963588 U JP 5963588U JP H01162983 U JPH01162983 U JP H01162983U
- Authority
- JP
- Japan
- Prior art keywords
- color level
- level
- gain control
- processing circuit
- control voltage
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Processing Of Color Television Signals (AREA)
Description
第１図は本発明のカラーレベルコントロール装
置の一実施例の構成図、第２図は従来のカラーレ
ベルコントロール装置の構成図である。
１……クロマ処理回路、２……ゲイン制御電圧
端子、３……可変抵抗器、６……積分回路、Ａ…
…輝度信号。
FIG. 1 is a block diagram of an embodiment of a color level control device of the present invention, and FIG. 2 is a block diagram of a conventional color level control device. 1...Chroma processing circuit, 2...Gain control voltage terminal, 3...Variable resistor, 6...Integrator circuit, A...
...brightness signal.
Claims (1)
ルしてカラーレベルを変更する手段を設けるとと
もに、映像信号処理回路から得られる輝度信号を
積分する積分回路を設け、この積分回路の出力電
圧に応じて平均輝度レベルが高いほどカラーレベ
ルを高くするように前記ゲイン制御電圧を制御す
るようにしたカラーレベルコントロール装置。 In addition to providing a means to change the color level by controlling the gain control voltage of the chroma processing circuit, an integrating circuit is provided to integrate the luminance signal obtained from the video signal processing circuit, and the average luminance level is adjusted according to the output voltage of this integrating circuit. A color level control device that controls the gain control voltage so that the higher the color level is, the higher the color level is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5963588U JPH01162983U (en) | 1988-05-02 | 1988-05-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5963588U JPH01162983U (en) | 1988-05-02 | 1988-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01162983U true JPH01162983U (en) | 1989-11-14 |
Family
ID=31285389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5963588U Pending JPH01162983U (en) | 1988-05-02 | 1988-05-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01162983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006311179A (en) * | 2005-04-28 | 2006-11-09 | Hitachi Ltd | Video display device, video signal processing circuit used therefor, and video signal color saturation control method |
-
1988
- 1988-05-02 JP JP5963588U patent/JPH01162983U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006311179A (en) * | 2005-04-28 | 2006-11-09 | Hitachi Ltd | Video display device, video signal processing circuit used therefor, and video signal color saturation control method |