JPS5480030A - Process circuit for carrier chrominance signal - Google Patents
Process circuit for carrier chrominance signalInfo
- Publication number
- JPS5480030A JPS5480030A JP14764677A JP14764677A JPS5480030A JP S5480030 A JPS5480030 A JP S5480030A JP 14764677 A JP14764677 A JP 14764677A JP 14764677 A JP14764677 A JP 14764677A JP S5480030 A JPS5480030 A JP S5480030A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- carrier chrominance
- continuous wave
- burst
- chrominance 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.)
- Granted
Links
Abstract
PURPOSE: To eliminate the time axial fluctuation component in the carrier chrominance signal by obtaining the signal containing the velocity error component through the phase comparison between the burst signal and the continuous wave signal right before the burst signal in order to produce the conversion signal and then giving the frequency conversion to the carrier chrominance signal by the conversion signal.
CONSTITUTION: Continuous wave signal formation circuit 30 forms the continuous wave signal possessing the time axial error contained in the burst signal in the carrier chrominance signal. And the phase comparison is given between the burst signal and the continuous wave signal right before the burst signal through detector circuit 35 to obtain the signal possessing the velocity error component. Based on the velocity error, the phase modulation is given to the refernce signal via phase modulator circuit 34. Then the carrier chrominance signal receives frequency conversion 31 by the phase-moldulated signal and the continuous wave signal. As a result, the time axial fluctuation component contained in the carrier chrominance signal can be eliminated.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52147646A JPS6015195B2 (en) | 1977-12-08 | 1977-12-08 | Carrier color signal processing circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52147646A JPS6015195B2 (en) | 1977-12-08 | 1977-12-08 | Carrier color signal processing circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5480030A true JPS5480030A (en) | 1979-06-26 |
JPS6015195B2 JPS6015195B2 (en) | 1985-04-18 |
Family
ID=15435037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52147646A Expired JPS6015195B2 (en) | 1977-12-08 | 1977-12-08 | Carrier color signal processing circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6015195B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61139189U (en) * | 1985-02-18 | 1986-08-28 | ||
JPS61254163A (en) * | 1985-05-02 | 1986-11-11 | Oomoriya:Kk | Production of seasoned plate laver |
-
1977
- 1977-12-08 JP JP52147646A patent/JPS6015195B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6015195B2 (en) | 1985-04-18 |
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