JPS5587240A - Dot-pattern high-speed output system - Google Patents
Dot-pattern high-speed output systemInfo
- Publication number
- JPS5587240A JPS5587240A JP16212078A JP16212078A JPS5587240A JP S5587240 A JPS5587240 A JP S5587240A JP 16212078 A JP16212078 A JP 16212078A JP 16212078 A JP16212078 A JP 16212078A JP S5587240 A JPS5587240 A JP S5587240A
- Authority
- JP
- Japan
- Prior art keywords
- dot pattern
- output
- dot
- adders
- decoder
- 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 realize high-speed operation without scanning on a space part by selecting only a part where a dot pattern output should be generated from a pattern signal and then by drawing a picture by applying a deflection electrode with a deflecting voltage equivalent to the coordinate selective signal of the part.
CONSTITUTION: Dot pattern code [0,1] of a character stored in a memory unit is applied to an addend decoder 4. Only in case of black-spot code [1], the output of decoder 4 is sent to X and Y adders 5 and 6 and then added together to output coordinate selective signals. After being D/A-converted, they are applied to polarizing coil 17 by way of X and Y polarizing amplifiers 13 and 14 for display on CRT16. Further, when coordinates of the scan start point of the dot pattern is (Xs, Ys), they are applied to X and Y adders 5 and 6 through X and Y registers 7 and 8 and added respectively.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16212078A JPS5587240A (en) | 1978-12-26 | 1978-12-26 | Dot-pattern high-speed output system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16212078A JPS5587240A (en) | 1978-12-26 | 1978-12-26 | Dot-pattern high-speed output system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5587240A true JPS5587240A (en) | 1980-07-01 |
Family
ID=15748412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16212078A Pending JPS5587240A (en) | 1978-12-26 | 1978-12-26 | Dot-pattern high-speed output system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5587240A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5171027A (en) * | 1974-11-11 | 1976-06-19 | Ibm | |
JPS5348415A (en) * | 1976-10-15 | 1978-05-01 | Hitachi Ltd | Hard copying equipment for cathode-ray tube display unit |
-
1978
- 1978-12-26 JP JP16212078A patent/JPS5587240A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5171027A (en) * | 1974-11-11 | 1976-06-19 | Ibm | |
JPS5348415A (en) * | 1976-10-15 | 1978-05-01 | Hitachi Ltd | Hard copying equipment for cathode-ray tube display unit |
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