JPH0210670U - - Google Patents
Info
- Publication number
- JPH0210670U JPH0210670U JP8938388U JP8938388U JPH0210670U JP H0210670 U JPH0210670 U JP H0210670U JP 8938388 U JP8938388 U JP 8938388U JP 8938388 U JP8938388 U JP 8938388U JP H0210670 U JPH0210670 U JP H0210670U
- Authority
- JP
- Japan
- Prior art keywords
- ray tube
- power
- cathode ray
- cathode
- anode
- 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
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Description
第１図は本考案の一実施例におけるスポツトキ
ラー装置の回路図、第２図は従来のスポツトキラ
ー装置の回路図である。
１……ＣＲＴ、２……フライバツクトランス、
３……高電圧抵抗、５，６，１０……コンデンサ
、７……可変抵抗器、８，１１……抵抗、１５…
…トランジスタ。
FIG. 1 is a circuit diagram of a spot killer device according to an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional spot killer device. 1...CRT, 2...Flyback transformer,
3... High voltage resistor, 5, 6, 10... Capacitor, 7... Variable resistor, 8, 11... Resistor, 15...
...transistor.
Claims (1)
管のアノードに充電された電荷が放電に要する時
間より長い時定数で陰極線管のグリツド・カソー
ド間にビーム電流を阻止する方向のバイアス電圧
を印加する時定数回路を有することを特徴とする
スポツトキラー装置。 When a bias voltage is applied between the grid and cathode of a cathode ray tube in a direction that blocks the beam current with a time constant longer than the time required for the charge charged during the power-on period and charged to the anode of the cathode ray tube when the power is turned off to be discharged. A spot killer device characterized by having a constant circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8938388U JPH0210670U (en) | 1988-07-04 | 1988-07-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8938388U JPH0210670U (en) | 1988-07-04 | 1988-07-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0210670U true JPH0210670U (en) | 1990-01-23 |
Family
ID=31313935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8938388U Pending JPH0210670U (en) | 1988-07-04 | 1988-07-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0210670U (en) |
-
1988
- 1988-07-04 JP JP8938388U patent/JPH0210670U/ja active Pending