Method of erasing a magnetic recording track and apparatus there

Details Method of erasing a magnetic recording track and apparatus there Method of erasing a magnetic recording track and apparatus there

1986-07-30

1988-02-16

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of biasing or erasing

360 77, G11B 503, G11B 2110

Patent

active

047259027

ABSTRACT:
A method of erasing a magnetic recording on one designated track or on plural designated tracks on a magnetic recording medium bearing a plurality of tracks mutually adjacent one of which are spaced apart substantially equal distances includes moving a magnetic head in a direction orthogonal to the tracks, detecting a position of a track, on which a magnetic recording has been made, nearest an outermost track among the designated tracks, based on the strength of a signal read from the magnetic recording medium by the magnetic head, and erasing, by means of the magnetic head, a range decided using the detected position of tracks as a reference.

REFERENCES:
patent: 4290088 (1981-09-01), Beecroft
patent: 4644421 (1987-02-01), Miwa et al.

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