Apparatus for recording information on a disc

Details Apparatus for recording information on a disc Apparatus for recording information on a disc

1987-07-24

1990-11-06

Faber, Alan

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of biasing or erasing

360 7703, 360 7813, G11B 5024

Patent

active

049690566

ABSTRACT:
In a disc storage unit capable of writing a servo signal for positioning a recording head at each track defined on a disc-shaped recording medium, data in a region between adjacent tracks are erased prior to the writing of the servo signal. The data stored on the recording medium are completely erased and then the servo signal can be written in the recording medium.

REFERENCES:
patent: 4290088 (1981-09-01), Beecroft
patent: 4371902 (1983-02-01), Baxter et al.
patent: 4414589 (1983-11-01), Oliver et al.
patent: 4644421 (1987-02-01), Miwa et al.
patent: 4660106 (1987-04-01), Harrison et al.
patent: 4725902 (1988-02-01), Oda et al.
patent: 4771346 (1988-09-01), Shoji et al.

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