Information recording apparatus

Details Information recording apparatus Information recording apparatus

2007-03-20

2008-08-26

Olson, Jason C (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S077020

Reexamination Certificate

active

07417821

ABSTRACT:
According to embodiments of the present invention, tracks can be formed on a magnetic recording medium on a zonal area at intervals of either a first track pitch or a second track pitch, both of which differ from each other. For a reference track defined in each zonal area, regardless of whether tracks are formed with the first track pitch or the second track pitch, the first track pitch and the second track pitch are specified so that a head position at the time of writing or reading information to or from the reference track, is common to both of the first track pitch and the second track pitch.

REFERENCES:
patent: 2004/0080859 (2004-04-01), Teo et al.
patent: 2004/0136109 (2004-07-01), Kusumoto et al.
patent: 3689638 (2005-08-01), None

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