JPH0320572U - - Google Patents
Info
- Publication number
- JPH0320572U JPH0320572U JP7971189U JP7971189U JPH0320572U JP H0320572 U JPH0320572 U JP H0320572U JP 7971189 U JP7971189 U JP 7971189U JP 7971189 U JP7971189 U JP 7971189U JP H0320572 U JPH0320572 U JP H0320572U
- Authority
- JP
- Japan
- Prior art keywords
- flyback transformer
- voltage
- detection means
- horizontal
- 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 10
- 238000004804 winding Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Details Of Television Scanning (AREA)
Description
第１図は本考案一実施例の概略構成図、第２図
は本考案の実施例の説明のための表示例を示す図
、第３図は本考案一実施例の説明のための波形図
、第４図は本考案一実施例に係るビーム電流検出
回路の要部回路図である。
１……水平出力トランジスタ、２ａ……偏向コ
イル、２ｇ，２ｈ……ダンパダイオード、３……
フライバツクトランス、４……ＣＲＴ、６……誤
差検出回路、８……電源電圧制御回路、９……ビ
ーム電流検出回路（流入電流検出手段）、１０…
…ピンクツシヨン補正回路（補正手段）。
Fig. 1 is a schematic configuration diagram of an embodiment of the present invention, Fig. 2 is a diagram showing a display example for explaining an embodiment of the present invention, and Fig. 3 is a waveform diagram for explaining an embodiment of the present invention. , FIG. 4 is a circuit diagram of a main part of a beam current detection circuit according to an embodiment of the present invention. 1... Horizontal output transistor, 2a... Deflection coil, 2g, 2h... Damper diode, 3...
Flyback transformer, 4...CRT, 6...Error detection circuit, 8...Power supply voltage control circuit, 9...Beam current detection circuit (inflow current detection means), 10...
...Pink tension correction circuit (correction means).
Claims (1)
ツクトランス及びダンパダイオードを備える水平
偏向手段と、前記フライバツクトランスから出力
される高圧出力電圧の変動を検出する誤差検出手
段と、該誤差検出手段からの検出結果に従つてフ
ライバツクトランスを介して水平出力トランジス
タに供給する電源電圧を制御する電源電圧制御手
段と、フライバツクトランスの高圧巻き線の低圧
側に接続され高圧巻き線に流入する電流を検出す
る流入電流検出手段と、該流入電流検出手段で検
出された検出電圧とパラボラ波を入力として前記
水平偏向手段に補正電圧を供給する補正手段とを
備えることを特徴とする水平偏向回路。 horizontal deflection means comprising a horizontal output transistor, a deflection coil, a flyback transformer, and a damper diode; an error detection means for detecting fluctuations in the high voltage output voltage output from the flyback transformer; and a detection result from the error detection means. Therefore, there is a power supply voltage control means for controlling the power supply voltage supplied to the horizontal output transistor via the flyback transformer, and an inflow current connected to the low voltage side of the high voltage winding of the flyback transformer for detecting the current flowing into the high voltage winding. 1. A horizontal deflection circuit comprising: a detection means; and a correction means that inputs a detection voltage detected by the inflow current detection means and a parabolic wave and supplies a correction voltage to the horizontal deflection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7971189U JPH0320572U (en) | 1989-07-05 | 1989-07-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7971189U JPH0320572U (en) | 1989-07-05 | 1989-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0320572U true JPH0320572U (en) | 1991-02-28 |
Family
ID=31624116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7971189U Pending JPH0320572U (en) | 1989-07-05 | 1989-07-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0320572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004012443A1 (en) * | 2002-07-26 | 2004-02-05 | Matsushita Electric Industrial Co., Ltd. | Cathode ray tube apparatus preventing distortion of image caused by variation of luminance |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58138179A (en) * | 1982-02-12 | 1983-08-16 | Matsushita Electric Ind Co Ltd | Horizontal deflection and high-voltage generating device |
-
1989
- 1989-07-05 JP JP7971189U patent/JPH0320572U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58138179A (en) * | 1982-02-12 | 1983-08-16 | Matsushita Electric Ind Co Ltd | Horizontal deflection and high-voltage generating device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004012443A1 (en) * | 2002-07-26 | 2004-02-05 | Matsushita Electric Industrial Co., Ltd. | Cathode ray tube apparatus preventing distortion of image caused by variation of luminance |
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