JPS6144959U - Cathode ray tube image display device - Google Patents
Cathode ray tube image display deviceInfo
- Publication number
- JPS6144959U JPS6144959U JP13028184U JP13028184U JPS6144959U JP S6144959 U JPS6144959 U JP S6144959U JP 13028184 U JP13028184 U JP 13028184U JP 13028184 U JP13028184 U JP 13028184U JP S6144959 U JPS6144959 U JP S6144959U
- Authority
- JP
- Japan
- Prior art keywords
- ray tube
- cathode ray
- display device
- blanking
- transistor
- 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
第１図は、この考案の＝実施例における帰線消去回路を
示す回路図、第２図はこの動作説明のための電圧波形図
、第３図は従来の帰線消去回路を示す回路図、第４図は
それの動作説明図である。
図において、１は陰極線管（ＣＲＴ）、Ｃｄはそれのカ
ソード、Ｇ１は第１グリッド、２は帰線消去用トランジ
スタ、４は負荷抵抗、６は輝度調整用ボリウム抵抗、７
は正電圧電源、９は帰線消去用負電圧電源、１０は輝度
制御用トランジスタである。FIG. 1 is a circuit diagram showing a blanking circuit according to an embodiment of this invention, FIG. 2 is a voltage waveform diagram for explaining the operation, and FIG. 3 is a circuit diagram showing a conventional blanking circuit. FIG. 4 is an explanatory diagram of its operation. In the figure, 1 is a cathode ray tube (CRT), Cd is its cathode, G1 is the first grid, 2 is a blanking transistor, 4 is a load resistor, 6 is a brightness adjustment volume resistor, 7
9 is a positive voltage power supply, 9 is a negative voltage power supply for blanking, and 10 is a brightness control transistor.
Claims (1)
グリッドに輝度制御電圧と帰線消去電圧とを重畳して印
加するようにした陰極線管画像表示装置において、エミ
ツタが帰線消去用負電圧電源に、コレクタが上記陰極線
管の第１グリッドにそれぞれ接続され、ベースへの帰線
消去信号の印加により導通ずる帰線消去用トランジスタ
、エミッタがこの帰線消去用トランクスタのコレクタに
負荷抵抗を介して接続され、コレクタが圧電圧電源に接
続される輝度制御用トランジスタ、及びこの輝度制御用
トランジスタのベースに、このトランジスタの導通度を
制御する輝度制御用可変電圧を印加する輝度調整用ボリ
ウム抵抗を備えたことを特徴とする陰極線管画像表示装
置。An image signal is applied to the cathode of the cathode ray tube, and the first
In a cathode ray tube image display device in which a brightness control voltage and a blanking voltage are applied to the grid in a superimposed manner, the emitter is connected to a negative voltage power supply for blanking, and the collector is connected to the first grid of the cathode ray tube. A blanking transistor whose emitter is connected to the collector of this blanking trunk transistor via a load resistor, and whose collector is connected to a piezovoltage power supply. A cathode ray tube image display device comprising: a control transistor; and a brightness adjustment volume resistor for applying a brightness control variable voltage to the base of the brightness control transistor to control the conductivity of the transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13028184U JPS6144959U (en) | 1984-08-27 | 1984-08-27 | Cathode ray tube image display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13028184U JPS6144959U (en) | 1984-08-27 | 1984-08-27 | Cathode ray tube image display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6144959U true JPS6144959U (en) | 1986-03-25 |
Family
ID=30688897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13028184U Pending JPS6144959U (en) | 1984-08-27 | 1984-08-27 | Cathode ray tube image display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6144959U (en) |
-
1984
- 1984-08-27 JP JP13028184U patent/JPS6144959U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6144959U (en) | Cathode ray tube image display device | |
| JPS59132277U (en) | blanking circuit | |
| JPS59152863U (en) | Cathode ray tube fluorescent film burnout prevention circuit | |
| JPS60170776U (en) | Cathode ray tube control circuit | |
| JPS60172437U (en) | Transistor base drive circuit | |
| JPS601080U (en) | Cathode ray tube drive circuit | |
| JPS5963714U (en) | constant current circuit | |
| JPS5813718U (en) | variable gain amplifier circuit | |
| JPS6060793U (en) | CRT brightness correction device | |
| JPS59151160U (en) | Luminance signal generation method | |
| JPS6123783U (en) | Gamma correction circuit | |
| JPS59174771U (en) | Picture tube drive circuit | |
| JPS619975U (en) | Video display tube device | |
| JPS5883815U (en) | Muting control circuit | |
| JPS6142168U (en) | CRT drive circuit | |
| JPS6093381U (en) | display device | |
| JPS5850574U (en) | color signal driver | |
| JPS58129709U (en) | Muting signal generation circuit | |
| JPS59149711U (en) | Muting signal generation circuit | |
| JPS5891784U (en) | display device | |
| JPS59118337U (en) | current source circuit | |
| JPS5866778U (en) | picture tube drive circuit | |
| JPS58125465U (en) | Beam current limiting circuit | |
| JPS5963701U (en) | Fail-safe device for in-vehicle electronic equipment control equipment | |
| JPS5854716U (en) | constant voltage circuit |