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:
Nov. 05, 2002
Filed:
Nov. 16, 2001
Joseph P. Caroselli, Palo Alto, CA (US);
Shirish A. Altekar, Los Gatos, CA (US);
Charles E. MacDonald, Los Gatos, CA (US);
LSI Logic Corporation, Milpitas, CA (US);
Abstract
The present invention describes a system and method for encoding a sequence of 64 bit digital data words into a sequence of 65 bit codewords having constraints of (d=0, G=11/I=10) for recording upon a magnetic medium within a magnetic recording channel are disclosed. The method for encoding a sequence of 64 bit digital data words into a sequence of codewords having 65 bits, comprising the steps of dividing each 64-bit digital data word into 8-bit bytes, encoding two 8-bit bytes to form a 17-bit word, forming five 11-bit intermediate blocks from the 8-bit bytes, encoding the five 11-bit intermediate blocks, and concatenating the five encoded 11-bit intermediate blocks and uncoded and unconstrained bits from the 64 bit digital data word to form a 65 bit codeword. A corresponding decoding method is also described. A byte shuffler may be used in the processing.