JPH01133866U - - Google Patents
Info
- Publication number
- JPH01133866U JPH01133866U JP3063688U JP3063688U JPH01133866U JP H01133866 U JPH01133866 U JP H01133866U JP 3063688 U JP3063688 U JP 3063688U JP 3063688 U JP3063688 U JP 3063688U JP H01133866 U JPH01133866 U JP H01133866U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- high voltage
- control signal
- circuit
- error control
- 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 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Details Of Television Scanning (AREA)
Description
第１図は本考案の実施例を示すブロツク図、第
２図は同作用を説明するために示す特性図、第３
図は同実施例の具体的構成例を示す回路図である
。
２……陰極線管、４……高圧発生回路、６……
高圧ドライブ回路、８……高圧変化検出制御回路
、１０……電圧制御回路、１２……抵抗。
Fig. 1 is a block diagram showing an embodiment of the present invention, Fig. 2 is a characteristic diagram shown to explain the same action, and Fig. 3 is a block diagram showing an embodiment of the present invention.
The figure is a circuit diagram showing a specific example of the configuration of the same embodiment. 2...Cathode ray tube, 4...High pressure generation circuit, 6...
High voltage drive circuit, 8... High voltage change detection control circuit, 10... Voltage control circuit, 12... Resistor.
Claims (1)
の高圧電源回路において、前記陰極線管に高圧直
流電圧を供給する高圧発生回路と、前記高圧発生
回路に高圧電圧を発生させるための電圧制御信号
を供給する高圧ドライブ回路と、前記陰極線管に
供給されている高圧直流電圧を取り込み、これを
基に誤差制御信号を形成し出力する高圧変化検出
制御回路と、前記高圧変化検出制御回路からの誤
差制御信号を取り込み、当該誤差制御信号により
電圧制御された電力を前記高圧発生回路及び高圧
ドライブ回路に供給する電圧制御回路とから構成
されたことを特徴とする画像表示装置の高圧電源
回路。 In a high voltage power supply circuit of an image display device that displays an image using a cathode ray tube, a high voltage generation circuit supplies a high voltage DC voltage to the cathode ray tube, and a voltage control signal is supplied to the high voltage generation circuit to generate the high voltage. a high voltage drive circuit that takes in the high voltage DC voltage supplied to the cathode ray tube, forms an error control signal based on this and outputs it, and an error control signal from the high voltage change detection control circuit. 1. A high-voltage power supply circuit for an image display device, comprising a voltage control circuit that takes in the error control signal and supplies power voltage-controlled by the error control signal to the high-voltage generation circuit and the high-voltage drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3063688U JPH01133866U (en) | 1988-03-08 | 1988-03-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3063688U JPH01133866U (en) | 1988-03-08 | 1988-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01133866U true JPH01133866U (en) | 1989-09-12 |
Family
ID=31255870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3063688U Pending JPH01133866U (en) | 1988-03-08 | 1988-03-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01133866U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5710159B2 (en) * | 1973-04-04 | 1982-02-25 | ||
| JPS6330076B2 (en) * | 1983-07-06 | 1988-06-16 | Rokuryo Sangyo Kk |
-
1988
- 1988-03-08 JP JP3063688U patent/JPH01133866U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5710159B2 (en) * | 1973-04-04 | 1982-02-25 | ||
| JPS6330076B2 (en) * | 1983-07-06 | 1988-06-16 | Rokuryo Sangyo Kk |
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