US Patent 7443933 Data detector system

Patent 7443933 was granted and assigned to University of Limerick on October, 2008 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

University of Limerick

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

74439330

Patent Inventor Names

Thomas J. Conway0

Date of Patent

October 28, 2008

Patent Application Number

111016410

Date Filed

April 8, 2005

Patent Primary Examiner

‌

Curtis B Odom

Patent abstract

A detector system detects values on a storage medium where there is ISI. The symbols are stored as pits in a close hexagonal lattice having u, v, and x dimensions at mutual 60° separations from an individual pit. The value for a particular symbol is determined by generating an estimate for the symbol in each of the u, v, and x dimensions. These estimates are used to generate a decision for the symbol as it is at the intersection of these dimensions. Thus a number of 1-dimensional detectors can be used although the platform is two-dimensional with ISI.