JPS5992938U - computer output device - Google Patents
computer output deviceInfo
- Publication number
- JPS5992938U JPS5992938U JP18922882U JP18922882U JPS5992938U JP S5992938 U JPS5992938 U JP S5992938U JP 18922882 U JP18922882 U JP 18922882U JP 18922882 U JP18922882 U JP 18922882U JP S5992938 U JPS5992938 U JP S5992938U
- Authority
- JP
- Japan
- Prior art keywords
- output device
- signal
- computer
- video memory
- computer output
- 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
- Digital Computer Display Output (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図は本考案の一実施例を示すブロック線図、第2図
a及びbは同実施例の作用説明用の信号波形図である。
図面中、2はマルチプレクサ、4はビデオメモリ、5は
文字パターン発生回路、7は複合映像信号合成回路、8
はタイミング信号発生回路、9はスイッチを示す。FIG. 1 is a block diagram showing an embodiment of the present invention, and FIGS. 2a and 2b are signal waveform diagrams for explaining the operation of the embodiment. In the drawing, 2 is a multiplexer, 4 is a video memory, 5 is a character pattern generation circuit, 7 is a composite video signal synthesis circuit, and 8 is a multiplexer.
9 indicates a timing signal generation circuit, and 9 indicates a switch.
Claims (1)
込み且つそのビデオメモリの内容をブラウン管の画面上
に表示可能な映像信号に変換するコンピュータの出力装
置において、前記コンピュータ本体に前記ビデオメモリ
に対する書込み許可信号として作用するブランキング信
号を与える場合と常に書込み許可信号を与える場合とを
切換えるスイッチを設けるようにしたことを特徴とする
コンピュータの出力装置。In a computer output device that writes a data signal from a computer main body to a video memory and converts the contents of the video memory into a video signal that can be displayed on a cathode ray tube screen, it acts on the computer main body as a write permission signal for the video memory. 1. An output device for a computer, characterized in that a switch is provided for switching between when a blanking signal is given and when a write permission signal is always given.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18922882U JPS5992938U (en) | 1982-12-14 | 1982-12-14 | computer output device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18922882U JPS5992938U (en) | 1982-12-14 | 1982-12-14 | computer output device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5992938U true JPS5992938U (en) | 1984-06-23 |
Family
ID=30408028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18922882U Pending JPS5992938U (en) | 1982-12-14 | 1982-12-14 | computer output device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5992938U (en) |
-
1982
- 1982-12-14 JP JP18922882U patent/JPS5992938U/en active Pending
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