JPS6298372U - - Google Patents
Info
- Publication number
- JPS6298372U JPS6298372U JP18894385U JP18894385U JPS6298372U JP S6298372 U JPS6298372 U JP S6298372U JP 18894385 U JP18894385 U JP 18894385U JP 18894385 U JP18894385 U JP 18894385U JP S6298372 U JPS6298372 U JP S6298372U
- Authority
- JP
- Japan
- Prior art keywords
- flyback transformer
- flyback
- transformer
- control element
- overcurrent
- 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.)
- Granted
Links
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Details Of Television Scanning (AREA)
Description
第１図は本考案によるフライバツクトランス駆
動回路の回路図、第２図は従来における一実施例
としてのフライバツクトランス駆動回路の回路図
、第３図は従来における他の実施例としてのフラ
イバツクトランス駆動回路の回路図である。
３……フライバツクトランス駆動回路、４……
過電流阻止手段、Ｌ……電源ライン、Ｔｒ１……
水平ドライブ用トランジスタ（制御素子）、Ｔｒ
２……水平出力トランジスタ（フライバツクトラ
ンス駆動素子）、ＦＢＴ……フライバツクトラン
ス。
Fig. 1 is a circuit diagram of a flyback transformer drive circuit according to the present invention, Fig. 2 is a circuit diagram of a flyback transformer drive circuit as one conventional embodiment, and Fig. 3 is a circuit diagram of a flyback transformer drive circuit as another conventional embodiment. FIG. 3 is a circuit diagram of a transformer drive circuit. 3... Flyback transformer drive circuit, 4...
Overcurrent blocking means, L...power line, Tr1...
Horizontal drive transistor (control element), Tr
2...Horizontal output transistor (flyback transformer drive element), FBT...flyback transformer.
Claims (1)
クトランスと、前記フライバツクトランスにフラ
イバツクパルスを発生せしめるフライバツクトラ
ンス駆動素子と、前記フライバツクトランス駆動
素子の前段にあつた入力パルス信号に応じて該フ
ライバツクトランス駆動素子を制御する制御素子
と、電源投入時における前記フライバツクトラン
スへの過電流の通流を阻止すべく前記制御素子の
入力端と電源ライン間に挿入された過電流阻止手
段とを具備したことを特徴とするフライバツクト
ランス駆動回路。 A flyback transformer applies a high voltage to the anode of the CRT, a flyback transformer drive element causes the flyback transformer to generate a flyback pulse, and the flyback transformer drives the flyback transformer in response to an input pulse signal at a stage preceding the flyback transformer drive element. A control element for controlling a back transformer driving element, and an overcurrent blocking means inserted between an input terminal of the control element and a power supply line to prevent overcurrent from flowing to the flyback transformer when power is turned on. A flyback transformer drive circuit characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985188943U JPH0510453Y2 (en) | 1985-12-06 | 1985-12-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985188943U JPH0510453Y2 (en) | 1985-12-06 | 1985-12-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6298372U true JPS6298372U (en) | 1987-06-23 |
| JPH0510453Y2 JPH0510453Y2 (en) | 1993-03-15 |
Family
ID=31140780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985188943U Expired - Lifetime JPH0510453Y2 (en) | 1985-12-06 | 1985-12-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0510453Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5389223U (en) * | 1976-12-23 | 1978-07-21 | ||
| JPS57195274U (en) * | 1981-06-04 | 1982-12-10 |
-
1985
- 1985-12-06 JP JP1985188943U patent/JPH0510453Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5389223U (en) * | 1976-12-23 | 1978-07-21 | ||
| JPS57195274U (en) * | 1981-06-04 | 1982-12-10 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0510453Y2 (en) | 1993-03-15 |
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