JPS59152863U - Cathode ray tube fluorescent film burnout prevention circuit - Google Patents
Cathode ray tube fluorescent film burnout prevention circuitInfo
- Publication number
- JPS59152863U JPS59152863U JP4697083U JP4697083U JPS59152863U JP S59152863 U JPS59152863 U JP S59152863U JP 4697083 U JP4697083 U JP 4697083U JP 4697083 U JP4697083 U JP 4697083U JP S59152863 U JPS59152863 U JP S59152863U
- Authority
- JP
- Japan
- Prior art keywords
- ray tube
- cathode ray
- fluorescent film
- prevention circuit
- tube fluorescent
- 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
Landscapes
- Details Of Television Scanning (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図は本考案の一実施例を示す回路図である。
１・・・・・・トランジスタ、２・・・・・・ｐｎｐ形
トランジスタ、３．４・・・・・・ダイオード、１１・
・・・・・コンデンサ、２１、 ２２． ２３・・・・
・・抵抗、２４・・・・・・可変抵抗器、１０１・・・
・・・電源モニタ信号の入力端子、１０２・・・・・・
グリッド電極への出力端子。The figure is a circuit diagram showing an embodiment of the present invention. 1...Transistor, 2...PNP transistor, 3.4...Diode, 11...
...Capacitor, 21, 22. 23...
...Resistance, 24...Variable resistor, 101...
...Input terminal for power supply monitor signal, 102...
Output terminal to grid electrode.
Claims (1)
してコンデンサの一端を接続し、コンデンサの他端を輝
度設定電圧の供給されているグリッド電極に接続された
回路を有する事を特徴とする陰極線管の螢光膜焼損防止
回路。Fluorescent film burnout of a cathode ray tube characterized by having a circuit in which one end of a capacitor is connected to the collector terminal of a pnp transistor through a diode, and the other end of the capacitor is connected to a grid electrode to which a brightness setting voltage is supplied. prevention circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4697083U JPS59152863U (en) | 1983-03-31 | 1983-03-31 | Cathode ray tube fluorescent film burnout prevention circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4697083U JPS59152863U (en) | 1983-03-31 | 1983-03-31 | Cathode ray tube fluorescent film burnout prevention circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59152863U true JPS59152863U (en) | 1984-10-13 |
Family
ID=30177519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4697083U Pending JPS59152863U (en) | 1983-03-31 | 1983-03-31 | Cathode ray tube fluorescent film burnout prevention circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59152863U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05110886A (en) * | 1991-07-01 | 1993-04-30 | Thomson Consumer Electron Inc | Grid-bias controlling method for image tube |
-
1983
- 1983-03-31 JP JP4697083U patent/JPS59152863U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05110886A (en) * | 1991-07-01 | 1993-04-30 | Thomson Consumer Electron Inc | Grid-bias controlling method for image tube |
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