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.
Patent No.:
Date of Patent:
Oct. 06, 2015
Filed:
Sep. 20, 2013
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventor:
Hisakatsu Yamaguchi, Kawasaki, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/08 (2006.01); H04L 7/00 (2006.01);
U.S. Cl.
CPC ...
H04L 7/00 (2013.01); H03L 7/08 (2013.01);
Abstract
A differential signal skew adjustment method includes: outputting a differential data signal including a first polarity signal and a second polarity signal from a transmission circuit in synchronization with a cycle of a reference clock; adjusting a phase of a detection clock obtained by dividing the reference clock in accordance with a phase of the first polarity signal; and adjusting a phase of the second polarity signal in accordance with an adjusted phase of the detection clock to adjust skew between the first polarity signal and the second polarity signal.