JPS6021783U - CRT display device - Google Patents
CRT display deviceInfo
- Publication number
- JPS6021783U JPS6021783U JP1983113027U JP11302783U JPS6021783U JP S6021783 U JPS6021783 U JP S6021783U JP 1983113027 U JP1983113027 U JP 1983113027U JP 11302783 U JP11302783 U JP 11302783U JP S6021783 U JPS6021783 U JP S6021783U
- Authority
- JP
- Japan
- Prior art keywords
- crt display
- display device
- circuit
- pulse
- crt
- 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.)
- Granted
Links
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図はパターンディスプレイ回路の概略ブロック図、
第２図は従来のタイミング発生回路を示す回路図、第３
図は映像信号入力時と映像信号非入力時とでパターンの
表示位置が変わる説明図、第４図は、本考案の一実施例
によるタイミング発生回路を示す回路図、第５図はこの
考案による効果の説明図、及び第６図は本考案の他の実
施例によるタイミング発生回路を示す回路図である。
３・・・水平偏向回路、４・・・垂直偏向回路、１０゜
１８・・・波形整形回路、１１． １７． １９． ２
０・・・パルス発生回路、１２・・・モード切換回路。Figure 1 is a schematic block diagram of the pattern display circuit.
Figure 2 is a circuit diagram showing a conventional timing generation circuit, Figure 3 is a circuit diagram showing a conventional timing generation circuit.
The figure is an explanatory diagram in which the display position of the pattern changes depending on when a video signal is input and when no video signal is input. Figure 4 is a circuit diagram showing a timing generation circuit according to an embodiment of the present invention. Figure 5 is a circuit diagram according to this invention. An explanatory diagram of the effect and FIG. 6 are circuit diagrams showing a timing generation circuit according to another embodiment of the present invention. 3...Horizontal deflection circuit, 4...Vertical deflection circuit, 10°18...Waveform shaping circuit, 11. 17. 19. 2
0...Pulse generation circuit, 12...Mode switching circuit.
Claims (1)
を利用してＣＲＴ上にパターンを表示させるＣＲＴディ
スプレイ装置において、前記パルスをトリガとして、所
定時間の長さのパルスを発生するパルス発生回路を水平
用と垂直用の各々に２系統づつ備え、第１の系統は映像
信号入力時に、第２の系統は映像信号非入力時にそれぞ
れ対応させ、映像信号非入力時と映像信号非入力時とで
、それぞれ第１の系統あるいは第２の系統の一方を選択
することにより、映像信号入力の有無に拘わらず、ＣＲ
Ｔ上のパターン表示開始位置が同一となるように、前記
各系統のパルス発生回路の発生するパルスの前記所定時
間を定めたことを特徴とするＣＲＴディスプレイ装置。In a CRT display device that displays a pattern on a CRT using pulses obtained from a horizontal/vertical oscillation circuit through a waveform shaping circuit, a pulse generation circuit is provided that uses the pulse as a trigger to generate a pulse of a predetermined length. There are two systems each for horizontal and vertical use, the first system corresponds to when a video signal is input, and the second system corresponds to when a video signal is not input. , by selecting either the first system or the second system, CR
A CRT display device characterized in that the predetermined time period of the pulses generated by the pulse generation circuits of each system is determined so that pattern display start positions on the CRT display are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983113027U JPS6021783U (en) | 1983-07-22 | 1983-07-22 | CRT display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983113027U JPS6021783U (en) | 1983-07-22 | 1983-07-22 | CRT display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6021783U true JPS6021783U (en) | 1985-02-14 |
| JPH0334792Y2 JPH0334792Y2 (en) | 1991-07-23 |
Family
ID=30261795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983113027U Granted JPS6021783U (en) | 1983-07-22 | 1983-07-22 | CRT display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6021783U (en) |
-
1983
- 1983-07-22 JP JP1983113027U patent/JPS6021783U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0334792Y2 (en) | 1991-07-23 |
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