JPS5564483A - Reproducing device for video signal - Google Patents
Reproducing device for video signalInfo
- Publication number
- JPS5564483A JPS5564483A JP13771978A JP13771978A JPS5564483A JP S5564483 A JPS5564483 A JP S5564483A JP 13771978 A JP13771978 A JP 13771978A JP 13771978 A JP13771978 A JP 13771978A JP S5564483 A JPS5564483 A JP S5564483A
- Authority
- JP
- Japan
- Prior art keywords
- heads
- jumping
- detected
- pulses
- tape
- 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 control the stop position of a tape by using horizontal synchronous pulses in a reproduced signal still reproduction of VTR on rotary double-head system.
CONSTITUTION: Recording tracks A2∼A4, and B2∼B4 are given an azimuth and recorded by two different heads. In still reproduction, head surfaces scan from the initial point of track A to the terminal point of adjacent track B and two heads reproduce signals at parts shown by dotted lines and slanting lines. When heads and recording tracks bear correct position relation, horizontal synchronous pulses Ph detected by two heads shown by D and E can be obtained and in vertical blanking intervals of alternate frames, jumping of 0.5H is caused. If heads and tapes are not positioned correctly, pulses shown by B and C are obtained the jumping of 0,5H is disordered. For the purpose, the disorder is detected and the tape position is controlled to obtain the above-mentioned correct position relation.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13771978A JPS5564483A (en) | 1978-11-08 | 1978-11-08 | Reproducing device for video signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13771978A JPS5564483A (en) | 1978-11-08 | 1978-11-08 | Reproducing device for video signal |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5564483A true JPS5564483A (en) | 1980-05-15 |
JPS6214154B2 JPS6214154B2 (en) | 1987-03-31 |
Family
ID=15205217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13771978A Granted JPS5564483A (en) | 1978-11-08 | 1978-11-08 | Reproducing device for video signal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5564483A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59191983A (en) * | 1983-04-15 | 1984-10-31 | Hitachi Ltd | Still picture reproducer of magnetic recording and reproducing device |
-
1978
- 1978-11-08 JP JP13771978A patent/JPS5564483A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59191983A (en) * | 1983-04-15 | 1984-10-31 | Hitachi Ltd | Still picture reproducer of magnetic recording and reproducing device |
Also Published As
Publication number | Publication date |
---|---|
JPS6214154B2 (en) | 1987-03-31 |
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