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:
Jan. 04, 1994

Filed:

Sep. 25, 1990
Applicant:
Inventor:

Takeshi Kitahara, Kanagawa, JP;

Assignee:

Kabushiki Kaisha Toshiba, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ;
U.S. Cl.
CPC ...
395500 ; 395 10 ; 395 50 ; 395 75 ; 3642743 ; 3642745 ; 3642756 ; 364D / ; 364488 ; 364489 ;
Abstract

Disclosed is a logic synthesis apparatus for automatically composing and designing LSI logic circuits by converting a functional specification based on conversion rules given in advance to the apparatus, which is composed of means for inputting an additional transformation rule, means for executing logic composition of LSI by applying the additional transformation rule to the functional specification preferentially to the conversion rules, and means for revising the conversion rules so as to avoid competition between the conversion rules and the additional transformation rule by analyzing the additional conversion rule, and incorporating the additional transformation rule in the conversion rules, thereby obtaining a learning function to the additional transformation rule.


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