JPH02143875U - - Google Patents
Info
- Publication number
- JPH02143875U JPH02143875U JP5311489U JP5311489U JPH02143875U JP H02143875 U JPH02143875 U JP H02143875U JP 5311489 U JP5311489 U JP 5311489U JP 5311489 U JP5311489 U JP 5311489U JP H02143875 U JPH02143875 U JP H02143875U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- side winding
- current value
- voltage side
- high 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims 7
- 238000010586 diagram Methods 0.000 description 3
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図乃至第４図は、実施例の動作を説明するた
めの図、第５図は、従来例を示すブロツク図であ
る。
主要部分の符号の説明、１……フライバツクト
ランス、２，２３……電圧制御回路、３……スイ
ツチング回路、７……画像表示用陰極線管、９，
２２……差動増幅器、２１……電流検出抵抗。
FIG. 1 is a block diagram showing an embodiment of the present invention;
2 to 4 are diagrams for explaining the operation of the embodiment, and FIG. 5 is a block diagram showing a conventional example. Explanation of symbols of main parts, 1... flyback transformer, 2, 23... voltage control circuit, 3... switching circuit, 7... cathode ray tube for image display, 9,
22... Differential amplifier, 21... Current detection resistor.
Claims (1)
バツクトランスと、前記高圧側巻線の出力を整流
して画像表示用陰極線管のアノードに供給する整
流回路と、前記低圧側巻線に直流電圧を印加する
電圧源と、前記低圧側巻線を流れる電流をスイツ
チング信号に応じて断続するスイツチング手段と
を含む高電圧発生装置であつて、 前記高圧側巻線を流れる電流値を検出する電流
値検出手段と、前記電流値に応じて前記直流電圧
の調整をなす電圧調整手段とを備えたことを特徴
とする高電圧発生装置。 (2) 前記電流値検出手段は、前記高圧側巻線の
接地側端子と接地間に挿入された抵抗からなるこ
とを特徴とする請求項１記載の高電圧発生装置。[Claims for Utility Model Registration] (1) A flyback transformer consisting of a low-voltage side winding and a high-voltage side winding, and a rectifier that rectifies the output of the high-voltage side winding and supplies it to the anode of a cathode ray tube for image display. A high voltage generator comprising: a circuit; a voltage source that applies a DC voltage to the low voltage side winding; and switching means that switches on and off the current flowing through the low voltage side winding according to a switching signal, the high voltage generating device comprising: A high voltage generator comprising: current value detection means for detecting a current value flowing through a winding; and voltage adjustment means for adjusting the DC voltage according to the current value. (2) The high voltage generator according to claim 1, wherein the current value detection means comprises a resistor inserted between a ground terminal of the high voltage side winding and ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5311489U JPH02143875U (en) | 1989-05-09 | 1989-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5311489U JPH02143875U (en) | 1989-05-09 | 1989-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02143875U true JPH02143875U (en) | 1990-12-06 |
Family
ID=31574018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5311489U Pending JPH02143875U (en) | 1989-05-09 | 1989-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02143875U (en) |
-
1989
- 1989-05-09 JP JP5311489U patent/JPH02143875U/ja active Pending
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