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.
Patent No.:
Date of Patent:
Apr. 17, 2007
Filed:
Oct. 27, 2004
Applicants:
David Timothy Flynn, Mantorville, MN (US);
Richard Galbraith, Rochester, MN (US);
Travis Roger Oenning, Rochester, MN (US);
Inventors:
David Timothy Flynn, Mantorville, MN (US);
Richard Galbraith, Rochester, MN (US);
Travis Roger Oenning, Rochester, MN (US);
Assignee:
Hitachi Global Storage Technologies Netherlands B.V., Amsterdam, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/09 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hard disk drive (HDD) holds data using a biphase scheme. A plurality of matched filters are used to detect binary data represented by the biphase pattern without the need for synchronous sampling or equalization.