JPS59166560U - High voltage protection circuit - Google Patents
High voltage protection circuitInfo
- Publication number
- JPS59166560U JPS59166560U JP5896883U JP5896883U JPS59166560U JP S59166560 U JPS59166560 U JP S59166560U JP 5896883 U JP5896883 U JP 5896883U JP 5896883 U JP5896883 U JP 5896883U JP S59166560 U JPS59166560 U JP S59166560U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- high voltage
- protection circuit
- voltage protection
- 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
- Details Of Television Scanning (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の高圧保護回路の例を示す接続図、第２図
は本考案の一実施例を示す構成図、第３図〜第５図は夫
々第２図例の説明のための図である。
１はフライバックトランス、１Ｃは高圧検出用の２次側
巻線、７は比較器、９は水平発振回路、１１は水平出力
トランジスタ、１９はサイリスタ、２８は制御回路であ
る。
−〕δ
７−−−−−
時間
第２図 −Fig. 1 is a connection diagram showing an example of a conventional high voltage protection circuit, Fig. 2 is a configuration diagram showing an embodiment of the present invention, and Figs. 3 to 5 are diagrams for explaining the example in Fig. 2, respectively. It is. 1 is a flyback transformer, 1C is a secondary winding for high voltage detection, 7 is a comparator, 9 is a horizontal oscillation circuit, 11 is a horizontal output transistor, 19 is a thyristor, and 28 is a control circuit. −] δ 7−−−− Time diagram 2 −
Claims (1)
圧と基準電圧とを比較する比較回路と、高圧に比例した
第２の電圧を得る検出回路と、上記第２の電圧が上記第
１の電圧より大となるとき導通するスイッチ回路と、上
記比較回路の出力により上記高圧発生回路の動作を制御
する制御回路とを有し、上記スイッチ回路が導通ずる−
とき上記スイッチ回路を介して上記第１の電圧に所定電
圧が重畳され、上記比較回路の出力状態が反転するよう
にされた高圧保護回路。a comparison circuit that compares a first voltage corresponding to the power supply voltage supplied to the high voltage generation circuit with a reference voltage; a detection circuit that obtains a second voltage proportional to the high voltage; and a detection circuit that obtains a second voltage proportional to the high voltage; and a control circuit that controls the operation of the high voltage generating circuit based on the output of the comparator circuit, and the switch circuit is conductive when the voltage becomes higher than the voltage of -
When a predetermined voltage is superimposed on the first voltage via the switch circuit, the output state of the comparator circuit is inverted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5896883U JPS59166560U (en) | 1983-04-20 | 1983-04-20 | High voltage protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5896883U JPS59166560U (en) | 1983-04-20 | 1983-04-20 | High voltage protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59166560U true JPS59166560U (en) | 1984-11-08 |
Family
ID=30189230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5896883U Pending JPS59166560U (en) | 1983-04-20 | 1983-04-20 | High voltage protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59166560U (en) |
-
1983
- 1983-04-20 JP JP5896883U patent/JPS59166560U/en active Pending
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