JPS5617587A - Video signal output circuit of magnetic reproducer - Google Patents
Video signal output circuit of magnetic reproducerInfo
- Publication number
- JPS5617587A JPS5617587A JP9322679A JP9322679A JPS5617587A JP S5617587 A JPS5617587 A JP S5617587A JP 9322679 A JP9322679 A JP 9322679A JP 9322679 A JP9322679 A JP 9322679A JP S5617587 A JPS5617587 A JP S5617587A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- video signal
- video
- reproduced
- switching
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Circuits (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
PURPOSE:To secure the projection of other video signals at part of the reproduced screen without remodeling the TV picture receiver, by securing the phase synchronization of the vertical synchronous signal of the reproduced video signal with that of other video signals. CONSTITUTION:The switching is given between reproduced video signal 1 obtained from VTR and the 2nd video signal 2 by switching signal 5 and gate signal 6 and via switch 7 with every field period. Thus compound video signal 8 is obtained. Then vertical synchronous signal 17 is extracted out of composite synchronous signal 10 obtained from video signal 2 and then switched to reference signal 18 incorporated into servo control circuit 12 by selection switch signal 22 via switch 19 to be supplied to phase comparator 20 and to secure the phase synchronization with the vertical synchronous signal of the reproduced video signal. On the other hand, signal 10 is supplied also to gate 11 and sampled partially by signal 6 to be turned into video signal 13 of the belt-like black level at the switching position of the two images.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9322679A JPS5617587A (en) | 1979-07-24 | 1979-07-24 | Video signal output circuit of magnetic reproducer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9322679A JPS5617587A (en) | 1979-07-24 | 1979-07-24 | Video signal output circuit of magnetic reproducer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5617587A true JPS5617587A (en) | 1981-02-19 |
JPS6251033B2 JPS6251033B2 (en) | 1987-10-28 |
Family
ID=14076622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9322679A Granted JPS5617587A (en) | 1979-07-24 | 1979-07-24 | Video signal output circuit of magnetic reproducer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5617587A (en) |
-
1979
- 1979-07-24 JP JP9322679A patent/JPS5617587A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6251033B2 (en) | 1987-10-28 |
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