JPH01115391U - - Google Patents
Info
- Publication number
- JPH01115391U JPH01115391U JP974888U JP974888U JPH01115391U JP H01115391 U JPH01115391 U JP H01115391U JP 974888 U JP974888 U JP 974888U JP 974888 U JP974888 U JP 974888U JP H01115391 U JPH01115391 U JP H01115391U
- Authority
- JP
- Japan
- Prior art keywords
- color
- receiver
- detection circuit
- signal detection
- white balance
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 230000011664 signaling Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Processing Of Color Television Signals (AREA)
- Details Of Television Scanning (AREA)
Description
第１図は本考案によるカラーＴＶ受像機の一実
施例を示す回路図、第２図はオートホワイトバラ
ンス機能のためのホワイトバランス検出用信号を
説明するための波形図、第３図は従来のカラーＴ
Ｖ受像機の一例を示す回路図、第４図は従来の問
題点を説明するための図である。
５……垂直偏向コイル、２２……無信号検出回
路。
Fig. 1 is a circuit diagram showing an embodiment of a color TV receiver according to the present invention, Fig. 2 is a waveform diagram for explaining a white balance detection signal for the auto white balance function, and Fig. 3 is a conventional circuit diagram. Color T
FIG. 4 is a circuit diagram showing an example of a V-receiver, and is a diagram for explaining problems in the prior art. 5... Vertical deflection coil, 22... No signal detection circuit.
Claims (1)
Ｖ受像機において、 映像信号が無いことを検出する無信号検出回路
を備え、 該無信号検出回路の出力により垂直偏向コイル
に流すノコギリ波電流のレベルを制御するように
した、 ことを特徴とするカラーＴＶ受像機。[Claims for Utility Model Registration] Color T with auto white balance function
The V receiver is characterized by comprising a no-signal detection circuit for detecting the absence of a video signal, and controlling the level of the sawtooth wave current flowing through the vertical deflection coil by the output of the no-signal detection circuit. Color TV receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP974888U JPH01115391U (en) | 1988-01-29 | 1988-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP974888U JPH01115391U (en) | 1988-01-29 | 1988-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01115391U true JPH01115391U (en) | 1989-08-03 |
Family
ID=31216765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP974888U Pending JPH01115391U (en) | 1988-01-29 | 1988-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01115391U (en) |
-
1988
- 1988-01-29 JP JP974888U patent/JPH01115391U/ja active Pending
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