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. 25, 2007
Filed:
Apr. 11, 2007
Applicants:
Weishi Feng, San Jose, CA (US);
Zhan Yu, Sunnyvale, CA (US);
Inventors:
Weishi Feng, San Jose, CA (US);
Zhan Yu, Sunnyvale, CA (US);
Assignee:
Marvell International Ltd., Hamilton, BM;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A communications channel comprises a seed selector that selectively removes X M-bit symbols of user data from a seed set comprising Y M-bit symbols and that selects a scrambling seed from Y-X symbols remaining in the seed set, where X, Y and M are integers greater than one. A Hamming weight coding device that determines a Hamming weight of symbols of scrambled user data that are generated based on the user data and the selected scrambling seed and that selectively codes the symbols depending upon the determined Hamming weight.