Apparatus for recording data signals and a signal having a repet

Details Apparatus for recording data signals and a signal having a repet Apparatus for recording data signals and a signal having a repet

1995-08-15

1997-10-14

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Signal switching

360 64, 360 7714, 360 21, G11B 1512

Patent

active

056778031

ABSTRACT:
By merely using one reproducing head, an overwriting operation and an ATF operation can be performed, thereby reducing a crosstalk obstruction and modulation noises. Recording heads 7 and 8 having different azimuth angles and a reproducing head 9 having the same azimuth angle as that of the recording head 7 are provided for a drum 3. An (A) track constructed by a data region and an ATF pilot region is recorded to a magnetic tape 1 by the recording head 7. A (B) track constructed by a data region in which a single signal of a short wavelength is recorded and an ATF pilot region is recorded to the magnetic tape 1 by the recording head 8. Upon reproduction, the (A) track is reproduced by the reproducing head 9. Although the (B) track is not reproduced, the single signal is recorded as a (B) track, so that the overwriting operation and the ATF operation of an area method can be performed and, further, an excellent signal can be reproduced from the (A) track.

REFERENCES:
patent: 3925815 (1975-12-01), Lemelson
patent: 4669002 (1987-05-01), Nishioka
patent: 5459617 (1995-10-01), Yanagihara
patent: 5502603 (1996-03-01), Kohno

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