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.:

US 7159004 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 02, 2007

Filed:

Aug. 27, 2003
Applicant:

Kimito Horie, Tokyo, JP;

Inventor:

Kimito Horie, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 7/50 (2006.01);
U.S. Cl.
CPC ...
Abstract

An adder includes a first XOR element for generating an XOR output of the first and the second data inputs, a first multiplexer for selecting one of the first carry input or the first data input while the XOR output is made a selection signal, a second multiplexer for selecting one of the second carry input or the second data input, a third multiplexer for selecting one of the first or the second carry inputs while the carry selection input is made a selection signal, and a second XOR element for generating an XOR output of an output of the third multiplexer and the XOR output, and is characterized in that an output of the first multiplexer is made a first carry output, an output of the second multiplexer is made a second carry output, and an output of the third multiplexer is made an addition value.


Find Patent Forward Citations

Loading…