JPH0410466U - - Google Patents
Info
- Publication number
- JPH0410466U JPH0410466U JP5057890U JP5057890U JPH0410466U JP H0410466 U JPH0410466 U JP H0410466U JP 5057890 U JP5057890 U JP 5057890U JP 5057890 U JP5057890 U JP 5057890U JP H0410466 U JPH0410466 U JP H0410466U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- high voltage
- generates
- 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
- 230000010355 oscillation Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Details Of Television Scanning (AREA)
- Rectifiers (AREA)
Description
第１図は本考案の高圧発生回路の一実施例の構
成を示すブロツク図、第２図は従来の高圧発生回
路の一例の構成を示すブロツク図、第３図ａ，ｂ
は、第１図および第２図の動作を説明する特性図
である。
１……水平発振回路、２……水平ドライブ回路
、３……水平出力回路、４……水平出力トランス
、５……水平偏向ヨーク、６……高圧ドライブ回
路、７……高圧出力回路、８……フライバツクト
ランス、９……高圧レギユレータ回路、１１……
切替回路、１２……発振回路（基準発振回路）、
１３……周波数検出回路。
FIG. 1 is a block diagram showing the configuration of an embodiment of the high voltage generating circuit of the present invention, FIG. 2 is a block diagram showing the configuration of an example of the conventional high voltage generating circuit, and FIGS. 3 a and b
2 is a characteristic diagram illustrating the operation of FIGS. 1 and 2. FIG. DESCRIPTION OF SYMBOLS 1...Horizontal oscillation circuit, 2...Horizontal drive circuit, 3...Horizontal output circuit, 4...Horizontal output transformer, 5...Horizontal deflection yoke, 6...High voltage drive circuit, 7...High voltage output circuit, 8 ...Flyback transformer, 9...High voltage regulator circuit, 11...
switching circuit, 12... oscillation circuit (reference oscillation circuit),
13...Frequency detection circuit.
Claims (1)
する水平発振回路と、 前記水平駆動パルスの周波数を検出する周波数
検出回路と、 所定の周波数の基準パルスを発生する基準発振
回路と、 前記周波数検出回路の出力に対応して、前記水
平駆動パルスまたは基準パルスを選択する切替回
路と、 前記切替回路の出力に対応して高圧信号を発生
する高圧出力回路と、 前記高圧出力回路が出力する高圧信号に対応し
て高圧を発生するフライバツクトランスと、 前記高圧出力回路に電圧を供給する高圧レギユ
レータ回路とを備えることを特徴とする高圧発生
回路。[Claims for Utility Model Registration] A horizontal oscillation circuit that generates a horizontal drive pulse synchronized with a horizontal synchronization signal, a frequency detection circuit that detects the frequency of the horizontal drive pulse, and a reference oscillation circuit that generates a reference pulse of a predetermined frequency. a switching circuit that selects the horizontal drive pulse or the reference pulse in response to the output of the frequency detection circuit; a high-voltage output circuit that generates a high-voltage signal in response to the output of the switching circuit; and the high-voltage output. A high voltage generation circuit comprising: a flyback transformer that generates high voltage in response to a high voltage signal output by the circuit; and a high voltage regulator circuit that supplies voltage to the high voltage output circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5057890U JPH0410466U (en) | 1990-05-14 | 1990-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5057890U JPH0410466U (en) | 1990-05-14 | 1990-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0410466U true JPH0410466U (en) | 1992-01-29 |
Family
ID=31569244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5057890U Pending JPH0410466U (en) | 1990-05-14 | 1990-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0410466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0622685U (en) * | 1992-05-12 | 1994-03-25 | 株式会社栗本鐵工所 | Watertight packing for joining |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63245069A (en) * | 1987-03-31 | 1988-10-12 | Matsushita Electric Ind Co Ltd | image display device |
-
1990
- 1990-05-14 JP JP5057890U patent/JPH0410466U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63245069A (en) * | 1987-03-31 | 1988-10-12 | Matsushita Electric Ind Co Ltd | image display device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0622685U (en) * | 1992-05-12 | 1994-03-25 | 株式会社栗本鐵工所 | Watertight packing for joining |
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