Optimal synchronization mark/address mark construction

Details Optimal synchronization mark/address mark construction Optimal synchronization mark/address mark construction

2006-06-21

2010-06-08

Negrón, Daniell L (Department: 2627)

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data clocking

CG9BS027025

Reexamination Certificate

active

07733590

ABSTRACT:
Optimal synchronization mark/address mark construction. These marks can generally be referred to as sync marks. A novel means is presented by which sync marks can be generated for use within a variety of communication systems including HDD systems. The sync marks generated hereby have a largest possible minimum distance measurement that ensures highly accurate detection of the transition between the data portion and the preamble portion of information that is processed. Various types of distance measurement criteria can be employed, including a Euclidean distance measurement or a Hamming distance measurement, when selecting the sync mark from among a plurality of possible sync marks.

REFERENCES:
patent: 7403351 (2008-07-01), Han et al.

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