JPS5576429A - Display unit - Google Patents
Display unitInfo
- Publication number
- JPS5576429A JPS5576429A JP14891278A JP14891278A JPS5576429A JP S5576429 A JPS5576429 A JP S5576429A JP 14891278 A JP14891278 A JP 14891278A JP 14891278 A JP14891278 A JP 14891278A JP S5576429 A JPS5576429 A JP S5576429A
- Authority
- JP
- Japan
- Prior art keywords
- display
- pattern
- stores
- code
- memory
- 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 obtain a display unit featuring a high general-purpose properties by installing the memory which memorizes temporaily the data to be displayed, the ROM which stores the fixed display pattern and the RAM which stores an optional pattern given from the external memory respectively.
CONSTITUTION: The code to be displayed is memorized temporarily in refresh memory 11. The display code from memory 11 is supplied to 1st character generator 23 consisting of the ROM which stores the fixed display pattern and thus converts the display code into the pattern or 2nd character generator 22 comprising the RAM which stores an optional pattern from external memory 16 and thus converts the display code into the pattern. The switching is given between the writing and reading of the display pattern to/from RAM22 is carried out via the selector and the gate and based on the system address/raster address given from timing control part 15. The output of generators 22 and 23 are displayed on the CRT via parallel/serial converter 14. In such way, a highly general-purpose display unit, which can present the display font corresponding to nation-based different display font images, can be obtained.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14891278A JPS5576429A (en) | 1978-12-01 | 1978-12-01 | Display unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14891278A JPS5576429A (en) | 1978-12-01 | 1978-12-01 | Display unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5576429A true JPS5576429A (en) | 1980-06-09 |
Family
ID=15463429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14891278A Pending JPS5576429A (en) | 1978-12-01 | 1978-12-01 | Display unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5576429A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58108577A (en) * | 1981-12-23 | 1983-06-28 | 富士通株式会社 | Display control system |
JPS5958475A (en) * | 1982-08-06 | 1984-04-04 | ザ・バブコック・アンド・ウイルコックス・カンパニー | Color graphic crt display using writable character font |
JPS61129685A (en) * | 1984-11-28 | 1986-06-17 | 富士通株式会社 | Multilingual character data simultaneous output control system |
-
1978
- 1978-12-01 JP JP14891278A patent/JPS5576429A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58108577A (en) * | 1981-12-23 | 1983-06-28 | 富士通株式会社 | Display control system |
JPH0322999B2 (en) * | 1981-12-23 | 1991-03-28 | Fujitsu Ltd | |
JPS5958475A (en) * | 1982-08-06 | 1984-04-04 | ザ・バブコック・アンド・ウイルコックス・カンパニー | Color graphic crt display using writable character font |
JPS61129685A (en) * | 1984-11-28 | 1986-06-17 | 富士通株式会社 | Multilingual character data simultaneous output control system |
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