Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record
Patent
1996-01-26
1998-05-12
Psitos, Aristotelis M.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the record
360 7312, 360 7309, G11B 1552
Patent
active
057515115
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.
REFERENCES:
patent: 5144210 (1992-09-01), Sato
patent: 5548455 (1996-08-01), Sato
patent: 5589997 (1996-12-01), Kim
patent: 5604648 (1997-02-01), Oh
Lee Sang-Lak
Park Gwi-Tae
Sheen Yong-Hoo
Yoo Ji-Yoon
Cullen Larry T.
LG Electronics Inc.
Psitos Aristotelis M.
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