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. 29, 1994
Filed:
Jun. 24, 1992
Applicant:
Inventor:
Yukihiro Yoshida, Ikoma, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
3647462 ; 364768 ;
Abstract
An adder including a subdividing unit for subdividing an addend and an augend formed in plural bits into bit groups each having a specified number (an integer of 2 or larger) of bits, and an addition unit for executing parallel addition for each of the bit groups. The addition unit is arranged such that the addend and the augend are added together for each bit when they are represented in multivalued logic having three or more steps of logic values.