Disk driving device

Details Disk driving device Disk driving device

1987-10-06

1989-07-11

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

360 60, G11B 509, G11B 1504

Patent

active

048477044

ABSTRACT:
A disk driving device includes a rotatably driven information recording disk having multiple recording surfaces. At least two recording surfaces among them are provided with mutually related regions originally assigned with identical signals and mutually related regions originally assigned with different signals. These signals are detected by a head assembly and subsequently compared to each other to specify a region in which the head assembly is located.

REFERENCES:
patent: 4122503 (1978-10-01), Allan
patent: 4554598 (1985-11-01), Tarbox et al.
patent: 4622602 (1986-11-01), Kutaragi
patent: 4636884 (1987-01-01), Hattori et al.
patent: 4651237 (1987-03-01), Williams

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