JPS5478027A - Color television receiver - Google Patents
Color television receiverInfo
- Publication number
- JPS5478027A JPS5478027A JP14531877A JP14531877A JPS5478027A JP S5478027 A JPS5478027 A JP S5478027A JP 14531877 A JP14531877 A JP 14531877A JP 14531877 A JP14531877 A JP 14531877A JP S5478027 A JPS5478027 A JP S5478027A
- Authority
- JP
- Japan
- Prior art keywords
- color
- circuits
- signals
- circuit
- crt
- 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
- Processing Of Color Television Signals (AREA)
Abstract
PURPOSE: To adjust automatically cut-off and drive by providing a current detector circuit, which detects the cathode current of CRT every color, and controlling the pedestal field of video signals of every color to a fixed level in the drive adjustment of automatic cut-off of CRT of a color TV receiver.
CONSTITUTION: Reference white level signals are added to signal processing circuit 2, which gives signals to video amplifier circuit 4 and color signal processing circuit 5, from additional signal circuit 3, and the signal processing for every color is performed in circuits 4 and 5 on a basis of signals of circuit 2. When video signals, which are classified by color, processed by circuits 4 and 5 of this constitution are given to color CRT 10, current detector circuits 9R, 9G and 9B which detect the cathode curret of CRT 10 are provided, and pedestal gate and comparator circuits 11R to 11B and 13R to 13B whcih control the pedestal field of every signal of video signals constantly on a basis of the detection output of circuits 9R, 9G and 9B and additional signal gate and comparator circuits 12R to 12B and 14R to 14B which make additional signals fixed are provided.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14531877A JPS5478027A (en) | 1977-12-02 | 1977-12-02 | Color television receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14531877A JPS5478027A (en) | 1977-12-02 | 1977-12-02 | Color television receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5478027A true JPS5478027A (en) | 1979-06-21 |
Family
ID=15382377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14531877A Pending JPS5478027A (en) | 1977-12-02 | 1977-12-02 | Color television receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5478027A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6096981A (en) * | 1983-10-12 | 1985-05-30 | ドイチエ・トムソン‐ブラント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Circuit for limiting beam current of electron beam by regulating white value and gray value in color television receiver tube |
| JPS61137994U (en) * | 1985-02-19 | 1986-08-27 | ||
| JPH03154497A (en) * | 1989-11-13 | 1991-07-02 | Hitachi Ltd | Display device provided with automatic white balance adjustment circuit |
-
1977
- 1977-12-02 JP JP14531877A patent/JPS5478027A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6096981A (en) * | 1983-10-12 | 1985-05-30 | ドイチエ・トムソン‐ブラント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Circuit for limiting beam current of electron beam by regulating white value and gray value in color television receiver tube |
| JPS61137994U (en) * | 1985-02-19 | 1986-08-27 | ||
| JPH03154497A (en) * | 1989-11-13 | 1991-07-02 | Hitachi Ltd | Display device provided with automatic white balance adjustment circuit |
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