JPS5421115A - Phase synchronism system for video signal - Google Patents
Phase synchronism system for video signalInfo
- Publication number
- JPS5421115A JPS5421115A JP8584777A JP8584777A JPS5421115A JP S5421115 A JPS5421115 A JP S5421115A JP 8584777 A JP8584777 A JP 8584777A JP 8584777 A JP8584777 A JP 8584777A JP S5421115 A JPS5421115 A JP S5421115A
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- phase synchronism
- synchronism system
- phase
- 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 surely enable to discriminate the phase synchronism signal at reception side, by assigning 0+1 to +1 of the end of black block group signal and 0-1 to -1 as the phase synchronous signal, in a synchronous tri-state circuit.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8584777A JPS5421115A (en) | 1977-07-18 | 1977-07-18 | Phase synchronism system for video signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8584777A JPS5421115A (en) | 1977-07-18 | 1977-07-18 | Phase synchronism system for video signal |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5421115A true JPS5421115A (en) | 1979-02-17 |
Family
ID=13870254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8584777A Pending JPS5421115A (en) | 1977-07-18 | 1977-07-18 | Phase synchronism system for video signal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5421115A (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4990419A (en) * | 1972-12-28 | 1974-08-29 | ||
JPS5029034A (en) * | 1973-07-17 | 1975-03-24 | ||
JPS5029035A (en) * | 1973-07-17 | 1975-03-24 | ||
JPS5029033A (en) * | 1973-07-17 | 1975-03-24 |
-
1977
- 1977-07-18 JP JP8584777A patent/JPS5421115A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4990419A (en) * | 1972-12-28 | 1974-08-29 | ||
JPS5029034A (en) * | 1973-07-17 | 1975-03-24 | ||
JPS5029035A (en) * | 1973-07-17 | 1975-03-24 | ||
JPS5029033A (en) * | 1973-07-17 | 1975-03-24 |
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