JPS6339292U - - Google Patents
Info
- Publication number
- JPS6339292U JPS6339292U JP13218986U JP13218986U JPS6339292U JP S6339292 U JPS6339292 U JP S6339292U JP 13218986 U JP13218986 U JP 13218986U JP 13218986 U JP13218986 U JP 13218986U JP S6339292 U JPS6339292 U JP S6339292U
- Authority
- JP
- Japan
- Prior art keywords
- output voltage
- video output
- input
- voltage amplifier
- video
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Transforming Electric Information Into Light Information (AREA)
Description
第１図は本考案の一実施例要部回路図、第２図
は従来の陰極線管表示装置における映像増幅回路
の要部回路図である。
ＩＣ１〜ＩＣ５……トライステート出力インバ
ータゲート。
FIG. 1 is a circuit diagram of a main part of an embodiment of the present invention, and FIG. 2 is a circuit diagram of a main part of a video amplification circuit in a conventional cathode ray tube display device. IC1 to IC5...tri-state output inverter gates.
Claims (1)
信号が、モード制御信号の適宜与えられるタイミ
ングで、選択的に切り換えられて入力される形式
の陰極線管表示装置であつて、 ベース・バイアスの直流電圧を可変することに
より輝度調節可能に形成された第１の映像出力電
圧増幅器と、 この第１の映像出力電圧増幅器と負荷抵抗器を
共用し、かつそのベース・バイアスが固定された
第２の映像出力電圧増幅器とを有し、 前記第１、第２の映像出力電圧増幅器のそれぞ
れを前記入力映像信号の形態に応じて切り換えて
使用すべく、前記モード制御信号が与えられたと
き、輝度調節用の映像出力電圧増幅器を所定の並
列入力ビツト数をもつ形態の入力映像信号と対応
するよう制御する手段を設けて成ることを特徴と
した陰極線管表示装置。[Claims for Utility Model Registration] A cathode ray tube display device in which multiple types of input video signals having different numbers of parallel input bits are selectively switched and inputted at appropriate timings of a mode control signal. , a first video output voltage amplifier whose brightness can be adjusted by varying the DC voltage of the base bias, and a load resistor shared by the first video output voltage amplifier, and whose base bias is a fixed second video output voltage amplifier, and the mode control signal is applied so that each of the first and second video output voltage amplifiers is switched and used according to the form of the input video signal. 1. A cathode ray tube display device, comprising means for controlling a video output voltage amplifier for brightness adjustment so as to correspond to an input video signal having a predetermined number of parallel input bits when the video signal is input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13218986U JPH0355991Y2 (en) | 1986-08-29 | 1986-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13218986U JPH0355991Y2 (en) | 1986-08-29 | 1986-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6339292U true JPS6339292U (en) | 1988-03-14 |
| JPH0355991Y2 JPH0355991Y2 (en) | 1991-12-13 |
Family
ID=31031339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13218986U Expired JPH0355991Y2 (en) | 1986-08-29 | 1986-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0355991Y2 (en) |
-
1986
- 1986-08-29 JP JP13218986U patent/JPH0355991Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0355991Y2 (en) | 1991-12-13 |
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