Signal reproducing apparatus having rotary heads rotating 180.de

Details Signal reproducing apparatus having rotary heads rotating 180.de Signal reproducing apparatus having rotary heads rotating 180.de

1995-11-27

2000-01-11

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

386 79, G11B 5584

Patent

active

060142847

ABSTRACT:
A signal reproducing apparatus is arranged to have two reproduced signals reproduced from a plurality of tracks formed on a magnetic medium by two rotary heads arranged to rotate 180 degrees out of phase with each other and which trace positions shifted from each other, to extract, from the two reproduced signals, two signals having respective different levels used for tracking control, and to perform tracking control by using the two extracted signals to cause the heads to trace positions shifted from a predetermined track. The arrangement enables the heads to stably trace track positions shifted from positions to be traced in the normal reproduction.

REFERENCES:
patent: 4141048 (1979-02-01), Kubota et al.
patent: 4597023 (1986-06-01), Rijckaert
patent: 5469304 (1995-11-01), Sakakibara
patent: 5490017 (1996-02-01), Nakamura
patent: 5510938 (1996-04-01), Sakakibara
patent: 5751890 (1998-05-01), Yamasaki et al.

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