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:
Jul. 31, 2012
Filed:
May. 25, 2005
Shankar Krithivasan, Austin, TX (US);
Christopher Edward Koob, Round Rock, TX (US);
Shankar Krithivasan, Austin, TX (US);
Christopher Edward Koob, Round Rock, TX (US);
QUALCOMM Incorporated, San Diego, CA (US);
Abstract
A method of completing a two's complement operation includes receiving a plurality of byte values and splitting the plurality of byte values into a first portion and a second portion. Further, the method includes inputting the first portion to a first segment of a first four-to-two compressor, performing a first four-to-two compression operation on the first portion to generate a first set of results having a first row and a second row that is offset one bit from the first row, and carrying in a first value of one to complete a first two's complement operation. The method also includes inputting the second portion to a second segment of a second four-to-two compressor and adding two values of one immediately to the right of the second portion in order to carry in a second value of one to the second portion to complete a second two's complement operation.