JPS6186785U - - Google Patents
Info
- Publication number
- JPS6186785U JPS6186785U JP1984169405U JP16940584U JPS6186785U JP S6186785 U JPS6186785 U JP S6186785U JP 1984169405 U JP1984169405 U JP 1984169405U JP 16940584 U JP16940584 U JP 16940584U JP S6186785 U JPS6186785 U JP S6186785U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- crt
- power supply
- display device
- controlling
- 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
- 230000011664 signaling Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Details Of Television Scanning (AREA)
- Transforming Electric Information Into Light Information (AREA)
Description
第１図はこの考案の一実施例を示す図、第２図
は従来のＣＲＴ表示装置の集束電圧と輝度レベル
の関係を示した図である。
図において、１はＣＲＴ、２は映像制御回路、
３は高圧電源、４は集束電圧制御手段、１３は輝
度信号である。なお、各図中同一符号は同一また
は相当部分を示す。
FIG. 1 is a diagram showing an embodiment of this invention, and FIG. 2 is a diagram showing the relationship between the focusing voltage and brightness level of a conventional CRT display device. In the figure, 1 is a CRT, 2 is a video control circuit,
3 is a high voltage power supply, 4 is a focusing voltage control means, and 13 is a brightness signal. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
入力し、上記ＣＲＴの電子放出制御グリツドへの
印加電圧を出力する映像制御回路と、上記ＣＲＴ
に集束電圧を供給する高圧電源とを有するＣＲＴ
表示装置において、上記輝度信号を入力し、この
輝度記号のレベルに応じて、上記高圧電源の出力
電圧レベルを制御することにより、上記集束電圧
を制御する集束電圧制御手段を設けたことを特徴
とするＣＲＴ表示装置。 a CRT that performs display; a video control circuit that inputs a luminance signal and a video signal and outputs a voltage applied to an electron emission control grid of the CRT;
A CRT having a high-voltage power supply that supplies a focused voltage to
The display device is characterized by being provided with a focusing voltage control means for controlling the focusing voltage by inputting the luminance signal and controlling the output voltage level of the high voltage power supply according to the level of the luminance symbol. CRT display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984169405U JPS6186785U (en) | 1984-11-08 | 1984-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984169405U JPS6186785U (en) | 1984-11-08 | 1984-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6186785U true JPS6186785U (en) | 1986-06-06 |
Family
ID=30727144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984169405U Pending JPS6186785U (en) | 1984-11-08 | 1984-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6186785U (en) |
-
1984
- 1984-11-08 JP JP1984169405U patent/JPS6186785U/ja active Pending
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