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.

Date of Patent:
Mar. 23, 1993

Filed:

Apr. 25, 1990
Applicant:
Inventors:

Naomichi Sueda, Isehara, JP;

Junzo Suzuki, Yamato, JP;

Assignee:

Kabushiki Kaisha Toshiba, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395 50 ; 395 51 ; 395 64 ;
Abstract

An inferential method is disclosed, where fact information and a time tag assigned thereto are matched and stored. A rule group is stored. A pattern match of the fact information and the rule group is executed. A combination of the fact information and the rule group is selected. When a plurality of combinations have been selected, one of them is further selected. The selected rule is executed and new fact information in the working memory is created. When new fact information is created to the working memory by executing the rule, if the time tag assigned to the fact information exceeds the given value, the time tag which has been assigned to the fact information in the working memory is reassigned.


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