JPS5459835A - Display unit - Google Patents
Display unitInfo
- Publication number
- JPS5459835A JPS5459835A JP12571177A JP12571177A JPS5459835A JP S5459835 A JPS5459835 A JP S5459835A JP 12571177 A JP12571177 A JP 12571177A JP 12571177 A JP12571177 A JP 12571177A JP S5459835 A JPS5459835 A JP S5459835A
- Authority
- JP
- Japan
- Prior art keywords
- picture receiver
- memory
- character
- unit
- units
- 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 it possible to share the display memory with two units of the picture receiver or to occupy the memory with ont unit of the picture receiver, by providing the means which varies the number of the scanning line to compose one line of the character to be siplayed on the picture receiver.
CONSTITUTION: The display memory is incorporated into display unit 20 to control picture receiver 30. In case the display memory features the memory equivalent to n-characters and the number of the display character is n/2, two units of the picture receiver are connected; while one unit of the picture receiver is connected when the character number is n respecitvely. Display memory 1 uses two units of RAM featuring mk-bits. Then the scanning lines comosing the character of the picture receiver are counted through counter 9 and counted in the line unit through counter 10. And when a coincidence is obtained with the fixed value, the signals sent from the character generator are set alternately to register 5 and 6, and video signal 14 is delivered alternately to two units of picture receiver 30 via mixer 7 and 8. With set of the O-value to counter 9, register 5 is selected to occupy the memory with one unit of the picture receiver
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12571177A JPS5459835A (en) | 1977-10-21 | 1977-10-21 | Display unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12571177A JPS5459835A (en) | 1977-10-21 | 1977-10-21 | Display unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5459835A true JPS5459835A (en) | 1979-05-14 |
Family
ID=14916841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12571177A Pending JPS5459835A (en) | 1977-10-21 | 1977-10-21 | Display unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5459835A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5988785A (en) * | 1982-11-12 | 1984-05-22 | アルプス電気株式会社 | Display unit |
JPS59135496A (en) * | 1983-01-17 | 1984-08-03 | 辰巳電子工業株式会社 | Continuous screen display method and apparatus using plurality of display units |
-
1977
- 1977-10-21 JP JP12571177A patent/JPS5459835A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5988785A (en) * | 1982-11-12 | 1984-05-22 | アルプス電気株式会社 | Display unit |
JPS59135496A (en) * | 1983-01-17 | 1984-08-03 | 辰巳電子工業株式会社 | Continuous screen display method and apparatus using plurality of display units |
JPH0454957B2 (en) * | 1983-01-17 | 1992-09-01 | Tatsumi Denshi Kogyo Kk |
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