JPS57164679A - Magnetic recorder and reproducer - Google Patents
Magnetic recorder and reproducerInfo
- Publication number
- JPS57164679A JPS57164679A JP56050875A JP5087581A JPS57164679A JP S57164679 A JPS57164679 A JP S57164679A JP 56050875 A JP56050875 A JP 56050875A JP 5087581 A JP5087581 A JP 5087581A JP S57164679 A JPS57164679 A JP S57164679A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- picture
- circuit
- video signal
- disturbance
- 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.)
- Pending
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
- H04N5/91—Television signal processing therefor
- H04N5/93—Regeneration of the television signal or of selected parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
PURPOSE:To prevent the disturbance of picture at the upper part of screen, by using a signal corresponding to a vertical synchronizing signal as a switching signal and starting with a prescribed signal at all times at the upper part of picture, in a titled azimuth recording system. CONSTITUTION:A reproduced video signal applied to an input terminal 1 is switched into the original reproduced video signal and a delayed reproduction video signal with a switching detection signal H from a switching detection signal generating circuit 11. In the circuit 11, a reset pulse is supplied from a reset pulse generating circuit 13 to a 1/2 frequency division circuit 10 and reset is made to obtain a specified signal state at the upper part of picture at all times. Thus, the horizontal synchronizing signal interval can be kept constant with a specified relation and the disturbance of picture can be eliminated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56050875A JPS57164679A (en) | 1981-04-02 | 1981-04-02 | Magnetic recorder and reproducer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56050875A JPS57164679A (en) | 1981-04-02 | 1981-04-02 | Magnetic recorder and reproducer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57164679A true JPS57164679A (en) | 1982-10-09 |
Family
ID=12870887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56050875A Pending JPS57164679A (en) | 1981-04-02 | 1981-04-02 | Magnetic recorder and reproducer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57164679A (en) |
-
1981
- 1981-04-02 JP JP56050875A patent/JPS57164679A/en active Pending
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