JPS5994392U - High voltage control circuit in display equipment - Google Patents
High voltage control circuit in display equipmentInfo
- Publication number
- JPS5994392U JPS5994392U JP18846682U JP18846682U JPS5994392U JP S5994392 U JPS5994392 U JP S5994392U JP 18846682 U JP18846682 U JP 18846682U JP 18846682 U JP18846682 U JP 18846682U JP S5994392 U JPS5994392 U JP S5994392U
- Authority
- JP
- Japan
- Prior art keywords
- high voltage
- voltage winding
- control circuit
- load
- voltage 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
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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は“目パという文字を表示した画面を示す説明図
、第２図は高圧リップルの変動を示す波形図、第３図は
画面振幅の変形を説明するための説明図、第４図は画面
右下に表示された文字を示す説明図、第５図は従来の水
平偏向電流を制御す ２る回路を示す回路図、第６図
は本考案め第１実施例にかかる回路を示す回路図、第７
図は本考案の第２実施例にかかる回路を示す回路図であ
る。
２・・・・・・フライバックトランス、１０・・・・・
・高圧発生用２次巻線、１２・・・・・・低圧巻線、１
３・・・・・・陰極ｉ！、１５・・・・・・ダイオード
、１６・・・・・・コンデンサ、１７・・・・・・負荷
抵抗、１８．１９・・・・・・トランジスタ、２３・・
・・・・アノード電流検出回路、２４・・・・・・増幅
器。
−第５図
第６図Figure 1 is an explanatory diagram showing a screen displaying the characters "Mepa," Figure 2 is a waveform diagram showing fluctuations in high-voltage ripple, Figure 3 is an explanatory diagram illustrating deformation of screen amplitude, and Figure 4. is an explanatory diagram showing the characters displayed at the bottom right of the screen, FIG. 5 is a circuit diagram showing a conventional circuit for controlling horizontal deflection current, and FIG. 6 is a circuit diagram according to the first embodiment of the present invention. Circuit diagram, 7th
The figure is a circuit diagram showing a circuit according to a second embodiment of the present invention. 2...Flyback transformer, 10...
・Secondary winding for high voltage generation, 12...Low voltage winding, 1
3...Cathode i! , 15...Diode, 16...Capacitor, 17...Load resistance, 18.19...Transistor, 23...
...Anode current detection circuit, 24...Amplifier. -Figure 5Figure 6
Claims (1)
えて静止画像を表示するディスプレイ装置であって、高
圧巻線と低圧巻線とを備えたフライバックトランスと、
前記低圧巻線に介装され前記ビデオ信号に応じて負荷が
変化する負荷回路とを設けて成り、前記高圧巻線に加わ
る負荷に対して低圧巻線側の負荷を可変することによっ
てフライバックトランス全体に加わる負荷を一定に制御
するようにしたことを特徴とするディスプレイ装置にお
ける高圧制御回路。A display device that displays a still image by applying a video signal to a cathode ray tube scanned by an interlaced scanning method, the flyback transformer having a high voltage winding and a low voltage winding;
A load circuit is provided in the low voltage winding and the load changes according to the video signal, and the load on the low voltage winding side is varied with respect to the load applied to the high voltage winding, thereby creating a flyback transformer. A high voltage control circuit for a display device, characterized in that the load applied to the entire display device is controlled to be constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18846682U JPS5994392U (en) | 1982-12-15 | 1982-12-15 | High voltage control circuit in display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18846682U JPS5994392U (en) | 1982-12-15 | 1982-12-15 | High voltage control circuit in display equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5994392U true JPS5994392U (en) | 1984-06-27 |
Family
ID=30406567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18846682U Pending JPS5994392U (en) | 1982-12-15 | 1982-12-15 | High voltage control circuit in display equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5994392U (en) |
-
1982
- 1982-12-15 JP JP18846682U patent/JPS5994392U/en active Pending
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