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:
Sep. 21, 1993
Filed:
Oct. 15, 1991
Applicant:
Inventor:
Yasuo Nagazumi, Tokyo, JP;
Assignee:
G.D.S. Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364807 ; 395-3 ; 395900 ;
Abstract
A fuzzy logic operation circuit for two inputs includes two identical charge coupled devices having at least first and second gate electrodes connected in parallel on an output side and floating gates provided to a transfer electrode on an input side. A comparison device compares charge detection signals from the floating gates with each other and selects an input signal of either the smaller or greater of the two inputs by the comparison output.