JPS5444836A - Graphic display equipment - Google Patents
Graphic display equipmentInfo
- Publication number
- JPS5444836A JPS5444836A JP11128777A JP11128777A JPS5444836A JP S5444836 A JPS5444836 A JP S5444836A JP 11128777 A JP11128777 A JP 11128777A JP 11128777 A JP11128777 A JP 11128777A JP S5444836 A JPS5444836 A JP S5444836A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- region
- display
- fixed
- circuit
- 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
Abstract
PURPOSE: To make easy the recognition of a fixed region by removing temporarily the signal which displays the fixed region from the display signal for the entire figure and then, by adding a display signal which puts emphasis so that an operator can recognize the region.
CONSTITUTION: In the graphic display equipment which displays a figure on its display unit, a signal in an interval indicated by fixed-region position signal S2 is removed from display signal S1 displaying the figure by inverter 2 and AND circuit 3, and display signal S3 is outputted. Then, rise detection circuit 4 detects the rise of region position signal S2, its output and the fixed discrete value of counter 5 supplied with clocks are OR-ed by OR circuit 6, and its result is applied to FF7. Next, outputs of FF7, and outputs of change-over circuit 12 supplied with horizontal driving pulse HD and vertical driving pulse VD are, and region position signal S2 are AND-ed respectively by AND circuits 8 and 9 so as to region display signals S4 and S5, so that either display signal S6 or S7 will be outputted via OR circuits 10 and 11.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11128777A JPS5444836A (en) | 1977-09-16 | 1977-09-16 | Graphic display equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11128777A JPS5444836A (en) | 1977-09-16 | 1977-09-16 | Graphic display equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5444836A true JPS5444836A (en) | 1979-04-09 |
Family
ID=14557392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11128777A Pending JPS5444836A (en) | 1977-09-16 | 1977-09-16 | Graphic display equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5444836A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4965146A (en) * | 1972-10-23 | 1974-06-24 | ||
JPS5157242A (en) * | 1974-11-15 | 1976-05-19 | Hitachi Ltd | Gazojohono chojohoshiki |
-
1977
- 1977-09-16 JP JP11128777A patent/JPS5444836A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4965146A (en) * | 1972-10-23 | 1974-06-24 | ||
JPS5157242A (en) * | 1974-11-15 | 1976-05-19 | Hitachi Ltd | Gazojohono chojohoshiki |
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