Optimally banded disk for use with multiple frequency channel

Details Optimally banded disk for use with multiple frequency channel Optimally banded disk for use with multiple frequency channel

1996-04-01

1998-04-14

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record medium

Disk

G11B 582

Patent

active

057399948

ABSTRACT:
A memory device using at least one disk is disclosed the memory device uses a banded disk. The disk is optimally banded for use in a multiple frequency zoned disk storage device. The allocation of track locations into zones on the disk reduces the number of zone bit frequencies the storage device must handle when the disk is rotated at more than one discrete disk velocity.

REFERENCES:
patent: 4864428 (1989-09-01), Kanamaru
patent: 4894734 (1990-01-01), Fischler et al.
patent: 5235473 (1993-08-01), Sato et al.
JP 4092254 A, published Mar. 25, 1992, Hard Disk Memory Device.
JP5342585, published Dec. 24, 1993, Information Reproducing Device.

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