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:
Mar. 01, 2011
Filed:
Oct. 08, 2009
Wen-shan Wang, Taipei, TW;
Po-wen Cheng, Hsinchu, TW;
Wen-Shan Wang, Taipei, TW;
Po-Wen Cheng, Hsinchu, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
A decoding method comprising the following steps is provided. The mlookup index for a new lookup table is obtained according to the number of leading 1's in the bit stream. The nbase Huffman code in a simplified Huffman table is obtained according to the mlookup index. The (n+1) most significant bits (MSB) are obtained from the bit stream according to the nbase Huffman code. A difference is generated according to the (n+1) MSBs in the bit stream and the nbase Huffman code. Whether the difference is less than 0 is checked. If yes, a symbol index is generated according to the difference and the nbase symbol index, and a symbol is obtained according to the symbol index. If no, n is decreased or increased by 1 according to the method being used, and the data in the simplified Huffman table is compared continually.