Method for forming and processing data address mark for hard dis

Details Method for forming and processing data address mark for hard dis Method for forming and processing data address mark for hard dis

1997-09-05

1999-10-05

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Address coding

360 48, 360 53, G11B 509

Patent

active

059633875

ABSTRACT:
A method for constructing and processing a data address mark positioned in a data track of a magnetic disk immediately preceding a data region storing user data to establish synchronization requested for reading user data from the magnetic disk. The method includes recording of the data address mark in at least two different recording locations of the data track; and when one data address mark recorded in the different recording locations of the data track is normally detected to establish synchronization requested for reading user data from the magnetic disk, regarding the one data address mark as an effective data address mark of a corresponding data region.

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