JPS5566188A - Regenerating device for color video signal - Google Patents
Regenerating device for color video signalInfo
- Publication number
- JPS5566188A JPS5566188A JP13857678A JP13857678A JPS5566188A JP S5566188 A JPS5566188 A JP S5566188A JP 13857678 A JP13857678 A JP 13857678A JP 13857678 A JP13857678 A JP 13857678A JP S5566188 A JPS5566188 A JP S5566188A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- burst
- sent
- color video
- 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.)
- Granted
Links
Abstract
PURPOSE: To realize the special regeneration for the color video signal under the state of the color screen by locking the phase of the carrier chrominance signal to the reference signal and at the same time substituting the burst signal with the signal synchronized with the reference signal.
CONSTITUTION: At the time of the special reproduction, output signal Sa of system control circuit 70 becomes 0. And with supply of burst flag pulse Pf to terminal 53, the output of inhibit circuit 51 turns to 1 with every burst period. And switch circuit 52 is connected to the side of 1 with every burst period. Accordingly, in that case, carrier chrominace signal Ss containing line sequential signal Sw sent from circuit 42 is drawn out from circuit 52 in place of signal Ss containing burst signal Sb sent from switch circuit 31. Signal Sw is produced from oscillation signal So sent from oscillator 28, and at the same tie signal Ss is locked to signal So. As a result, signal Sw added to signal Ss at circuit 52 functions as the burst signal.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13857678A JPS5566188A (en) | 1978-11-10 | 1978-11-10 | Regenerating device for color video signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13857678A JPS5566188A (en) | 1978-11-10 | 1978-11-10 | Regenerating device for color video signal |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5566188A true JPS5566188A (en) | 1980-05-19 |
JPS6353758B2 JPS6353758B2 (en) | 1988-10-25 |
Family
ID=15225348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13857678A Granted JPS5566188A (en) | 1978-11-10 | 1978-11-10 | Regenerating device for color video signal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5566188A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57173291A (en) * | 1981-04-20 | 1982-10-25 | Hitachi Ltd | Recording and reproducing device for tv signal of pal system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5167029A (en) * | 1974-12-06 | 1976-06-10 | Matsushita Electric Ind Co Ltd |
-
1978
- 1978-11-10 JP JP13857678A patent/JPS5566188A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5167029A (en) * | 1974-12-06 | 1976-06-10 | Matsushita Electric Ind Co Ltd |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57173291A (en) * | 1981-04-20 | 1982-10-25 | Hitachi Ltd | Recording and reproducing device for tv signal of pal system |
JPH0225316B2 (en) * | 1981-04-20 | 1990-06-01 | Hitachi Seisakusho Kk |
Also Published As
Publication number | Publication date |
---|---|
JPS6353758B2 (en) | 1988-10-25 |
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