JPS55108047A - Crt display unit - Google Patents
Crt display unitInfo
- Publication number
- JPS55108047A JPS55108047A JP1431279A JP1431279A JPS55108047A JP S55108047 A JPS55108047 A JP S55108047A JP 1431279 A JP1431279 A JP 1431279A JP 1431279 A JP1431279 A JP 1431279A JP S55108047 A JPS55108047 A JP S55108047A
- Authority
- JP
- Japan
- Prior art keywords
- code
- circuit
- video element
- character
- inputted
- 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
PURPOSE: To enable to output a given graph to many video elements with less number of pattern data, by giving the pattern data being the reference and the video element expansion code every video element from external information processor.
CONSTITUTION: The video element expansion data as a part of the display code together with the character code and color code are inputted to the refresh memory 32 from the information processor 10. With the instruction of the scanning line control circuit 38, the display code in the refresh memory 32 is read out to the sequential decoders 33-1 and 33-2, and the character code and color code are inputted to the character generation circuit 35 and color control circuit 36, and the video element expansion data is inputted to the circuit 35 as the character expansion control signal S1. The circuit 35 produces the display dot from the character code and the video element expansion data and output it as the signal S2. The luminance control circuit 37 displays graph on the screen of CRT40 based on the signal S2 from the circuit 35 and the color code from the circuit 36.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1431279A JPS55108047A (en) | 1979-02-13 | 1979-02-13 | Crt display unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1431279A JPS55108047A (en) | 1979-02-13 | 1979-02-13 | Crt display unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55108047A true JPS55108047A (en) | 1980-08-19 |
Family
ID=11857574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1431279A Pending JPS55108047A (en) | 1979-02-13 | 1979-02-13 | Crt display unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55108047A (en) |
-
1979
- 1979-02-13 JP JP1431279A patent/JPS55108047A/en active Pending
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