Capstan phase control method for video cassette tape recorder
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United States of America Patent
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May 12, 1998
Grant Date -
N/A
app pub date -
Jan 26, 1996
filing date -
Jan 28, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a capstan phase control method for a video cassette tape recorder (VCR), and an improved capstan phase control method for a VCR capable of reducing a phase locking time by detecting a new capstan phase in cooperation with a reproducing control signal and a speed detection signal whenever the speed detection signal is inputted. By adopting the detected capstan phase as a phase control information, the time required for the mode of the system to be changed from the stop mode to the reproducing mode or from the searching mode to the reproducing mode, namely while the mode of the system is changed from the speed variation mode to a normal speed mode is reduced, so that it is possible to obtain a more stable reproducing operation at a high speed.
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