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. 26, 2013
Filed:
Jul. 26, 2010
Chun Gi Lyuh, Daejeon, KR;
Ik Jae Chun, Daejeon, KR;
Jung Hee Suk, Daejeon, KR;
Tae Moon Roh, Daejeon, KR;
Jong Kee Kwon, Daejeon, KR;
Jong Dae Kim, Daejeon, KR;
Chun Gi Lyuh, Daejeon, KR;
Ik Jae Chun, Daejeon, KR;
Jung Hee Suk, Daejeon, KR;
Tae Moon Roh, Daejeon, KR;
Jong Kee Kwon, Daejeon, KR;
Jong Dae Kim, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
Provided is an apparatus for calculating an absolute difference capable of efficiently performing an absolute difference using an adder. The apparatus for calculating an absolute difference includes a comparator comparing values of two integers, first and second selectors each selecting and outputting one of the two integers according to the comparison results of the comparator, an inverter complementing the result value selected by the second selector; and an adder adding up the result value selected by the first selector, the value complemented by the inverter, and 1.