JPH0446784U - - Google Patents
Info
- Publication number
- JPH0446784U JPH0446784U JP8883290U JP8883290U JPH0446784U JP H0446784 U JPH0446784 U JP H0446784U JP 8883290 U JP8883290 U JP 8883290U JP 8883290 U JP8883290 U JP 8883290U JP H0446784 U JPH0446784 U JP H0446784U
- Authority
- JP
- Japan
- Prior art keywords
- degaussing
- switch
- circuit
- pole
- contact
- 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 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Description
第１図は本考案の消磁回路の回路図、第２図は
従来例の回路図である。
図中、１０は入力直流電源、１１はインバータ
の駆動回路、１２はインバータトランス、１３は
ダイオード、１４〜１５および１９はコンデンサ
、１６は回路電源、１７および２０はスイツチ、
１８は消磁コイル、２１は抵抗である。
FIG. 1 is a circuit diagram of the degaussing circuit of the present invention, and FIG. 2 is a circuit diagram of a conventional example. In the figure, 10 is an input DC power supply, 11 is an inverter drive circuit, 12 is an inverter transformer, 13 is a diode, 14 to 15 and 19 are capacitors, 16 is a circuit power supply, 17 and 20 are switches,
18 is a degaussing coil, and 21 is a resistor.
Claims (1)
路に供給するとともに同昇圧電源を抵抗を介して
コンデンサに充電し、同充電電圧を単極単投の操
作スイツチを介して消磁コイルを印加するブラウ
ン管式映像表示装置の消磁回路において、前記単
極単投スイツチを単極双投型のスイツチとし、同
スイツチの共通接点を前記コンデンサを接続し、
常時接の接点は抵抗を介すことなく前記昇圧電源
に接続し、常時断の接点を消磁コイルと接続する
ことを特徴とする映像表示装置の消磁回路。 A cathode ray tube that supplies the output of a boosted DC power source to each circuit, charges a capacitor with the boosted power source via a resistor, and applies the charging voltage to a degaussing coil via a single-pole, single-throw operation switch. In the degaussing circuit of the type video display device, the single-pole single-throw switch is a single-pole double-throw switch, and the common contact of the switch is connected to the capacitor,
A degaussing circuit for a video display device, characterized in that a always-on contact is connected to the step-up power supply without going through a resistor, and a normally-off contact is connected to a degaussing coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8883290U JPH0446784U (en) | 1990-08-24 | 1990-08-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8883290U JPH0446784U (en) | 1990-08-24 | 1990-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0446784U true JPH0446784U (en) | 1992-04-21 |
Family
ID=31822396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8883290U Pending JPH0446784U (en) | 1990-08-24 | 1990-08-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0446784U (en) |
-
1990
- 1990-08-24 JP JP8883290U patent/JPH0446784U/ja active Pending