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:
May. 22, 1990
Filed:
Jul. 19, 1988
Applicant:
Inventors:
Toshiyuki Tanaka, Yamatokoriyama, JP;
Shigeki Kuga, Nara, JP;
Nobuo Nakamura, Yamatokoriyama, JP;
Taro Morishita, Nara, JP;
Masahiro Wada, Nara, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364513 ; 364188 ;
Abstract
An expert system having a forward inference control method in which an inference process (hereinafter referred to as trace) is displayed in consideration of the condition of a negation when the trace is displayed to verify a rule inputted to the expert system, whereby, a user can confirm that a rule is unexecutable because of the condition of the negation being not satisfied.