Magnetic disk apparatus and information reproducing method

Details Magnetic disk apparatus and information reproducing method Magnetic disk apparatus and information reproducing method

2009-08-17

2011-12-13

Olson, Jason (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S110000, C360S135000, C360S048000

Reexamination Certificate

active

08077425

ABSTRACT:
A magnetic disk apparatus includes a magnetic disk that includes a plurality of zones in which a plurality of tracks are arranged for each of circumferences of a spiral, and gaps that are arranged between the zones to have a width a predetermined number of times larger than a track width and that are regions without providing recording bits; and a reproducing element that simultaneously makes an access to the recording bits contained in the tracks, reading information stored in the recording bits, wherein the number of the tracks is one or larger and a sum of one and the predetermined number or smaller in one of the zones.

REFERENCES:
patent: 6977108 (2005-12-01), Hieda et al.
patent: 2009/0103203 (2009-04-01), Yoshida
patent: 10-233063 (1998-09-01), None
patent: 2003-151103 (2003-05-01), None
patent: 2006-048920 (2006-02-01), None
patent: 2006-338691 (2006-12-01), None
patent: 2007-073116 (2007-03-01), None
patent: 2007-128572 (2007-05-01), None

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