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 7760455 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 20, 2010

Filed:

Apr. 19, 2007
Applicants:

Chang-ik Kang, Fremont, CA (US);

Bong-jin Lee, Fremont, CA (US);

Inventors:

Chang-Ik Kang, Fremont, CA (US);

Bong-Jin Lee, Fremont, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/09 (2006.01);
U.S. Cl.
CPC ...
Abstract

Embodiments of the invention include: a hard disk drive using a read track to position for writing to a write track and generating a position error signal (PES) based upon all four servo offset bursts used to disable writing when the PES exceeds a position error threshold; a preamplifier generating the PES from four bursts from a slider reading the read track to position when the write track is to be written, and methods of writing the write track using PES from four bursts of the read track that disables writing when the PES is above the position error threshold.


Find Patent Forward Citations

Kang, Chang-Ik. (2010). Method and apparatus improving prevention of off-track writing in a hard disk drive (U.S. Patent No. 7760455). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7760455

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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