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. 14, 1992
Filed:
Jul. 18, 1991
Applicant:
Inventors:
Hiroaki Ogawa, Nagoya, JP;
Eisaku Itoh, Kasugai, JP;
Assignees:
Fujitsu Limited, Kawasaki, JP;
Fujitsu Vlsi Limited, Kasugai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340803 ; 340804 ; 364D / ; 364D / ; 364716 ; 307448 ; 307445 ;
Abstract
A logic operation circuit includes an instruction signal generating circuit for generating an instruction signal which designates a bit of a predetermined n-bit code signal in accordance with a combination of a first input logical numeral and a second input logical numeral. The logic operation circuit also includes a bit selecting circuit for selecting said bit designated by the instruction signal generated by the instruction signal generating circuit and for outputting the selected bit as an output logical numeral.