JPS54144816A - Video signal recording and reproduction unit - Google Patents
Video signal recording and reproduction unitInfo
- Publication number
- JPS54144816A JPS54144816A JP5310778A JP5310778A JPS54144816A JP S54144816 A JPS54144816 A JP S54144816A JP 5310778 A JP5310778 A JP 5310778A JP 5310778 A JP5310778 A JP 5310778A JP S54144816 A JPS54144816 A JP S54144816A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- video signal
- signal recording
- reproduction unit
- 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 enable to simplify the circuit constitution, by forming virtual pulse signal in synchronizing with the burst signal in the color TV signal by the recording APC circuit and performing frequency conversion with the APC circuit at reproduction.
CONSTITUTION: At recording, the APC circuit 13 forms the vitrual pulse signal in synchronizing with the burst signal in the color TV. Further, at reproduction, it forms the signal u frequency-converted 19 based on the virtual burst signal and performs frequency conversion for the carrier signal converted and recorded with the signal u. Thus, the circuit constitution is made simpler by commonly using the APC circuit forming the virtual burst signal with that forming the frequency conversion signal.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53053107A JPS609396B2 (en) | 1978-05-02 | 1978-05-02 | Video signal recording and playback device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53053107A JPS609396B2 (en) | 1978-05-02 | 1978-05-02 | Video signal recording and playback device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54144816A true JPS54144816A (en) | 1979-11-12 |
JPS609396B2 JPS609396B2 (en) | 1985-03-09 |
Family
ID=12933559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53053107A Expired JPS609396B2 (en) | 1978-05-02 | 1978-05-02 | Video signal recording and playback device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS609396B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006291456A (en) * | 2005-04-06 | 2006-10-26 | Sanuki:Kk | Ceiling inspection hole |
-
1978
- 1978-05-02 JP JP53053107A patent/JPS609396B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006291456A (en) * | 2005-04-06 | 2006-10-26 | Sanuki:Kk | Ceiling inspection hole |
Also Published As
Publication number | Publication date |
---|---|
JPS609396B2 (en) | 1985-03-09 |
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