Disk track for locating zero track and generating timing for ind

Details Disk track for locating zero track and generating timing for ind Disk track for locating zero track and generating timing for ind

1988-04-04

1990-08-14

Faber, Alan

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 7804, 360 75, G11B 555

Patent

active

049492020

ABSTRACT:
A disk drive includes a disk (100) having a plurality of tracks (-2 TO N). The outermost track (-2) includes a first portion (102a) having a data pattern recorded therein that is unique to that track. The data in the first portion is used to determine the location of the outermost track. The outermost track also includes a second portion (102b) including data which is used to indicate the location of a selected sector within each track.

REFERENCES:
patent: 4495533 (1985-01-01), Chambers
patent: 4631606 (1986-12-01), Sugaya
patent: 4683504 (1987-07-01), Cantello et al.
patent: 4685007 (1987-08-01), Nazarian et al.
patent: 4736341 (1988-04-01), Redmond et al.
patent: 4823212 (1989-04-01), Knowles et al.

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