The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 17, 2005

Filed:

Aug. 06, 2002
Applicants:

Keith Gary Boyer, Broomfield, CO (US);

Mark A. Hennecken, Parker, CO (US);

Inventors:

Keith Gary Boyer, Broomfield, CO (US);

Mark A. Hennecken, Parker, CO (US);

Assignee:

Storage Technology Corporation, Louisville, CO (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B005/035 ; G11B005/09 ;
U.S. Cl.
CPC ...
Abstract

A system and method for decoding magnetic media. Parallel decoders, each with a different equalization magnitude, are used to decode a read signal. A Viterbi metric is used to determine the direction and magnitude of equalization shift that best compensates for a systematic separation, such as pole tip recession. If optimal equalization has changed, the equalization coefficients of the decoders is shifted to compensate.


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Quick Actions:

Boyer, Keith. (2005). Read equalizer optimization based on the ptr effects to write equalization (U.S. Patent No. 6894858). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6894858

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