Storing and reproducing digital video and audio on a magnetic ta

Details Storing and reproducing digital video and audio on a magnetic ta Storing and reproducing digital video and audio on a magnetic ta

1997-11-24

2000-12-19

Faber, Alan T.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

360 7313, 360 70, 386 96, G11B 1518

Patent

active

061634271

ABSTRACT:
A magnetic tape (2) and an apparatus (1) for cooperation with this magnetic tape (2) are configured in such a manner that video signals and audio signals can be stored in an inclined-track zone (67) and that a control signal (D-CTL signal) of a given frequency f.sub.1 can be stored in a first longitudinal track (24), which is, in fact, intended for recording analog audio signals, and that an additional control signal (X-CTL signal) of another frequency f.sub.2 can be stored in a second longitudinal track (26) on the magnetic tape (2), the additional control signal (X-CTL signal) being reproduced from the second longitudinal track (26) when such a magnetic tape (2) is loaded into a video recorder (1) in accordance with the VHS standard, or into a video recorder (1) in accordance with the invention, which is also capable of recording and reproducing analog video signals in accordance with the VHS standard in inclined tracks, which reproduced additional control signal is applied to a speed control device for a capstan, which results in a tape speed deviating from normal operation and precludes an undesirable signal reproduction.

REFERENCES:
patent: 4607297 (1986-08-01), Sonoda et al.
patent: 5381280 (1995-01-01), Lee
patent: 5563745 (1996-10-01), Kim
patent: 5937137 (1999-08-01), Traxlmayr
patent: 6055358 (2000-04-01), Traxlmayr
Modified CTL pulse so as to inhibit tracking in a VHSVCR; Research Disclosure, p. 691, Dec. 1994.

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