Digital signal recording method

Details Digital signal recording method Digital signal recording method

1991-08-06

1994-05-31

Pascal, Robert J.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

360 7714, 360 7715, 360 27, G11B 509

Patent

active

053174577

ABSTRACT:
A specific section provided in a track is set in a DC free state, and during reproducing, accurate tracking is conducted on the basis of the crosstalk from the pilot tone superposed in the adjacent tracks in this DC free section. Alternatively, a pilot tone is generated only in a specific section provided in the track, and when reproducing, accurate tracking is effected on the basis of the crosstalk of the pilot tone in the tracks adjacent to this section. As a result, the redundancy required for tracking is notably reduced.

REFERENCES:
patent: 4511933 (1985-04-01), Hofelt et al.
patent: 4890173 (1989-12-01), Yokozawa
patent: 5088077 (1992-02-01), Lemoine
patent: 5177649 (1993-01-01), Iwakami et al.

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