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. 02, 2005

Filed:

Sep. 05, 2001
Applicants:

Makoto Suwada, Kawasaki, JP;

Tatsuo Koizumi, Kawasaki, JP;

Masaki Tosaka, Kawasaki, JP;

Kazuhiko Tokuda, Kawasaki, JP;

Jiro Yoneda, Kawasaki, JP;

Inventors:

Makoto Suwada, Kawasaki, JP;

Tatsuo Koizumi, Kawasaki, JP;

Masaki Tosaka, Kawasaki, JP;

Kazuhiko Tokuda, Kawasaki, JP;

Jiro Yoneda, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F017/50 ;
U.S. Cl.
CPC ...
Abstract

The apparatus includes the wiring-model generation section that generates a wiring model in accordance with high-frequency-circuit design information; the random-pattern analysis section that generates and analyzes a dummy random-pattern waveform for transmitting a wiring model in accordance with a command including the bit information of a random-pattern waveform and a differential waveform corresponding to the dummy random-pattern waveform; and the skew analysis section that skews a random-pattern waveform or differential waveform in accordance with a preset skew width.


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