JPS6488590A - Character magnification display system for raster scan type crt display device - Google Patents
Character magnification display system for raster scan type crt display deviceInfo
- Publication number
- JPS6488590A JPS6488590A JP62246075A JP24607587A JPS6488590A JP S6488590 A JPS6488590 A JP S6488590A JP 62246075 A JP62246075 A JP 62246075A JP 24607587 A JP24607587 A JP 24607587A JP S6488590 A JPS6488590 A JP S6488590A
- Authority
- JP
- Japan
- Prior art keywords
- code part
- character
- horizontal
- display device
- vertical
- 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
- Controls And Circuits For Display Device (AREA)
Abstract
PURPOSE: To set an arbitrary expansion rate in horizontal and vertical directions with a small storage capacity to improve the performance by constituting a picture memory, where display data corresponding to each character to be displayed on a CRT is stored, of a character code part, a horizontal code part, and a vertical code part. CONSTITUTION: A vertical code part 26, a horizontal code part 25, a raster address conversion memory 22, and a character font data conversion memory 23 are used to expand and display character font data. Consequently, the memory capacity of an entire CRT display device is considerably saved because it is sufficient if only one kind of character font as an original pattern is stored in a character generator 4. Since character expansion can be controlled only by the vertical code part 26 and the horizontal code part 25, picture contents displayed on a CRT 1 can be quickly updated. Thus, a raster scan type CRT display device is realized which has an arbitrary expansion rate set in horizontal and vertical directions with a small storage capacity and is excellent in general usefulness and has a high performance.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62246075A JPS6488590A (en) | 1987-09-30 | 1987-09-30 | Character magnification display system for raster scan type crt display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62246075A JPS6488590A (en) | 1987-09-30 | 1987-09-30 | Character magnification display system for raster scan type crt display device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6488590A true JPS6488590A (en) | 1989-04-03 |
Family
ID=17143100
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62246075A Pending JPS6488590A (en) | 1987-09-30 | 1987-09-30 | Character magnification display system for raster scan type crt display device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6488590A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011049145A1 (en) * | 2009-10-20 | 2011-04-28 | セイコープレシジョン株式会社 | Pattern setting device, pattern setting method and program |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58121090A (en) * | 1982-01-14 | 1983-07-19 | 株式会社安川電機 | Indication controller for display |
JPS61279888A (en) * | 1985-06-06 | 1986-12-10 | 三菱電機株式会社 | Character generator |
JPS62111283A (en) * | 1985-11-09 | 1987-05-22 | カシオ計算機株式会社 | Expansion pattern converter |
JPS62121065A (en) * | 1985-11-22 | 1987-06-02 | Casio Comput Co Ltd | Character enlarging printer |
-
1987
- 1987-09-30 JP JP62246075A patent/JPS6488590A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58121090A (en) * | 1982-01-14 | 1983-07-19 | 株式会社安川電機 | Indication controller for display |
JPS61279888A (en) * | 1985-06-06 | 1986-12-10 | 三菱電機株式会社 | Character generator |
JPS62111283A (en) * | 1985-11-09 | 1987-05-22 | カシオ計算機株式会社 | Expansion pattern converter |
JPS62121065A (en) * | 1985-11-22 | 1987-06-02 | Casio Comput Co Ltd | Character enlarging printer |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011049145A1 (en) * | 2009-10-20 | 2011-04-28 | セイコープレシジョン株式会社 | Pattern setting device, pattern setting method and program |
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