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:
Aug. 24, 1993

Filed:

May. 07, 1991
Applicant:
Inventors:

Toshihiro Hattori, Kokubunji, JP;

Chihei Miura, Kodaira, JP;

Shunsuke Miyamoto, Tokyo, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06G / ; G06F / ;
U.S. Cl.
CPC ...
36441919 ; 364D / ; 364223 ; 3642237 ; 3642328 ; 3642756 ; 3642751 ;
Abstract

As a basic connection information determined on the basis of a basic information determined in advance between logic elements by paying attention to the flow of data, the present invention includes a structure for transferring data from one data element to another data element, a structure for transferring data from one data element to a plurality of data elements and a structure for transferring data from a plurality of data elements to one data element, decides the sequence of unidimensional placement of sets of elements as the object of the flow of data inside a logic circuit on the basis of these structures, and automatically and quickly determine the initial placement positions of the sets of elements from the sequence thus decided.


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