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:
Aug. 25, 2015
Filed:
Feb. 25, 2014
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventors:
Masaya Kibune, Machida, JP;
Hirotaka Tamura, Yokohama, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 7/00 (2006.01);
U.S. Cl.
CPC ...
H04L 7/0087 (2013.01);
Abstract
A receiver circuit includes: an input ADC configured to convert an input data signal to sample data in accordance with a clock; a boundary phase computation circuit configured to determine the boundary phase of the input data signal based on the sample data; an eye pattern computation circuit configured to compute a maximum amplitude phase of an eye pattern of the input data signal based on the sample data and the boundary phase; and a determination circuit configured to determine a value of the input data signal in the maximum amplitude phase based on the sample data and the maximum amplitude phase.