JPH02128461U - - Google Patents
Info
- Publication number
- JPH02128461U JPH02128461U JP3720789U JP3720789U JPH02128461U JP H02128461 U JPH02128461 U JP H02128461U JP 3720789 U JP3720789 U JP 3720789U JP 3720789 U JP3720789 U JP 3720789U JP H02128461 U JPH02128461 U JP H02128461U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- circuit
- capacitor
- transistor
- power
- 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
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Details Of Television Scanning (AREA)
Description
第１図は本考案の第１実施例を示す図、第２図
は第２実施例を示す図である。第３図は陰極線管
の部分の断面図、第４図は垂直偏向電流を示す図
である。
７……シングル・エンデイド・プツシユプル出
力回路、８，９……トランジスタ、ＳＷ２……ス
イツチ、１３……電源保護回路、１１……垂直偏
向コイル、１０……コンデンサ、１４……抵抗、
１２……ダイオード。
FIG. 1 is a diagram showing a first embodiment of the present invention, and FIG. 2 is a diagram showing a second embodiment. FIG. 3 is a sectional view of a portion of the cathode ray tube, and FIG. 4 is a diagram showing the vertical deflection current. 7... Single ended push-pull output circuit, 8, 9... Transistor, SW 2 ... Switch, 13... Power protection circuit, 11... Vertical deflection coil, 10... Capacitor, 14... Resistor,
12...Diode.
Claims (1)
トランジスタ９を直列に接続し、その一端を接地
し、他端を電源に接続したシングル・エンデツド
・プツシユプル出力回路７と 各回路の電源電圧を検出して負荷上昇時に電源
用のイスイツチＳＷ２をオフとする電源保護回路
１３と、 前記第１、第２のトランジスタ８，９の相互接
続点と基準電位点間に、挿入され垂直偏向コイル
１１、コンデンサ１０、抵抗１４より成る直列回
路とを備える陰線管保護装置に於いて、 前記コンデンサ１０と前記垂直偏向コイル１１
との相互接続点Ａと、前記電源保護回路１３とを
接続し、前記コンデンサ１０の短絡時に前記電源
保護回路１３を動作せしめるダイオード１２を、 備えることを特徴とする陰極線管保護装置。[Claims for Utility Model Registration] A single-ended push-pull output circuit for vertical output in which a first transistor 8 and a second transistor 9 are connected in series, one end of which is grounded, and the other end connected to a power supply. 7, a power supply protection circuit 13 that detects the power supply voltage of each circuit and turns off the power supply switch SW 2 when the load increases; and between the interconnection point of the first and second transistors 8 and 9 and the reference potential point. In the cathode ray tube protection device, the capacitor 10 and the vertical deflection coil 11 are inserted into a series circuit consisting of a vertical deflection coil 11, a capacitor 10, and a resistor 14.
A cathode ray tube protection device comprising: a diode 12 connecting an interconnection point A with the power protection circuit 13 and operating the power protection circuit 13 when the capacitor 10 is short-circuited.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3720789U JPH02128461U (en) | 1989-03-29 | 1989-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3720789U JPH02128461U (en) | 1989-03-29 | 1989-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02128461U true JPH02128461U (en) | 1990-10-23 |
Family
ID=31544111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3720789U Pending JPH02128461U (en) | 1989-03-29 | 1989-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02128461U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5154320A (en) * | 1974-11-08 | 1976-05-13 | Hitachi Ltd | Terebijonjushinkino koatsuhogokairo |
| JPS5617755B2 (en) * | 1976-09-10 | 1981-04-24 |
-
1989
- 1989-03-29 JP JP3720789U patent/JPH02128461U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5154320A (en) * | 1974-11-08 | 1976-05-13 | Hitachi Ltd | Terebijonjushinkino koatsuhogokairo |
| JPS5617755B2 (en) * | 1976-09-10 | 1981-04-24 |