JPS54138342A - One line transmission system of rgb color video signal in rgb color character display unit - Google Patents
One line transmission system of rgb color video signal in rgb color character display unitInfo
- Publication number
- JPS54138342A JPS54138342A JP4594078A JP4594078A JPS54138342A JP S54138342 A JPS54138342 A JP S54138342A JP 4594078 A JP4594078 A JP 4594078A JP 4594078 A JP4594078 A JP 4594078A JP S54138342 A JPS54138342 A JP S54138342A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- color
- serial
- rgb color
- video signal
- 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 reduce the number of transmission cables and to avoid the variation in the phase difference between the video signal and the color signal, by transmitting the video signal, synchronizing signal and the color signal after synthesizing into one signal.
CONSTITUTION: The video signal VDS inputted to the video bus VDB is converted into the serial signal b with the video signal generation shift register 11, the color signal CLR is converted into the serial signal c with the color serial signal generation shift register 12, and the signal b and c are transmitted from the transmission section A to the reception section B after being synthesized with the signal synthesis amplifying circuit 13. This is outputted as the signal e with the reception amplfying circuit 14 and converted into TTL level at the TTL level conversion amplifiers 15a to 15d. The signals f, g, h are logically synthesized at the reproduction circuit 16 of color serial signal and are reproduced as the color serial signal j. The signal j is converted into parallel signal at the serial parallel conversion circuit 17 and is outputted to the matrix circuit 19 of the color monitor together with the video signal g, and the synchronizing signal i.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4594078A JPS54138342A (en) | 1978-04-20 | 1978-04-20 | One line transmission system of rgb color video signal in rgb color character display unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4594078A JPS54138342A (en) | 1978-04-20 | 1978-04-20 | One line transmission system of rgb color video signal in rgb color character display unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54138342A true JPS54138342A (en) | 1979-10-26 |
Family
ID=12733265
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4594078A Pending JPS54138342A (en) | 1978-04-20 | 1978-04-20 | One line transmission system of rgb color video signal in rgb color character display unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54138342A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4739312A (en) * | 1986-06-13 | 1988-04-19 | Rich, Inc. | RGBI to multilevel grey scale encoder |
US6226043B1 (en) | 1998-02-26 | 2001-05-01 | Nec Corporation | Video signal transmission method and video signal transmitting apparatus without transmitting of multiplex timing signal |
-
1978
- 1978-04-20 JP JP4594078A patent/JPS54138342A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4739312A (en) * | 1986-06-13 | 1988-04-19 | Rich, Inc. | RGBI to multilevel grey scale encoder |
US6226043B1 (en) | 1998-02-26 | 2001-05-01 | Nec Corporation | Video signal transmission method and video signal transmitting apparatus without transmitting of multiplex timing signal |
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