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. 05, 1988

Filed:

Feb. 27, 1986
Applicant:
Inventors:

Kazumasa Shima, Tokyo, JP;

Syunpei Kawasaki, Nakano, JP;

Takashige Kubo, Hachioji, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ; H04Q / ;
U.S. Cl.
CPC ...
307465 ; 364716 ; 34082583 ;
Abstract

A programmable logic array circuit which assumes terms which are not implicants to be DON'T CARE terms, and which produces a logic function having decreased number of product terms; and which has a logic function which eliminates the terms that have been regarded to be DON'T CARE terms.


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