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.:

US 7688535 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 30, 2010

Filed:

Sep. 05, 2007
Applicants:

Mehmet Fatih Erden, Pittsburgh, PA (US);

Rene Johannes Marinus Van DE Veerdonk, Wexford, PA (US);

Alexei Hiram Sacks, Edina, MN (US);

Inventors:

Mehmet Fatih Erden, Pittsburgh, PA (US);

Rene Johannes Marinus van de Veerdonk, Wexford, PA (US);

Alexei Hiram Sacks, Edina, MN (US);

Assignee:

Seagate Technology LLC, Scotts Valley, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 20/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method is disclosed for determining position information of a transducer. At least a first code and a second code are chosen. The first code has different characteristics than the second code. User data written to a first sub-track is encoded with the first code and user data written to a second sub-track is encoded with the second code. The first code read from the first sub-track is obtained and the second code read from the second sub-track is obtained. Position information of the transducer is extracted from the obtained characteristics of the first code and the obtained characteristics of the second code.


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Erden, Mehmet. (2010). Extracting position information using user data (U.S. Patent No. 7688535). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7688535

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