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:
Dec. 01, 2015
Filed:
Jul. 17, 2014
Applicant:
Lsi Corporation, San Jose, CA (US);
Inventors:
Jianzhong Huang, San Jose, CA (US);
Shaohua Yang, San Jose, CA (US);
Haitao Xia, San Jose, CA (US);
Fuminori Sai, Tokyo, JP;
Weijun Tan, Longmont, CO (US);
Assignee:
Avago Technologies General IP (Singapore) Pte. Ltd., Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/09 (2006.01); G11B 5/035 (2006.01); G11B 20/10 (2006.01);
U.S. Cl.
CPC ...
G11B 20/10046 (2013.01); G11B 20/10037 (2013.01);
Abstract
An apparatus for calibrating a noise predictive filter includes a noise-predictive filter operable to filter digital data samples to yield filtered data samples, a calibration circuit operable to calculate tap coefficients for the noise-predictive filter based at least in part on the digital data samples, and a gating circuit operable to select a portion of the digital data samples for use by the calibration circuit in calculating the tap coefficients.