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:
Jan. 01, 2019
Filed:
Feb. 08, 2018
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventor:
Yasufumi Sakai, Fuchu, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 7/30 (2006.01); H04L 25/06 (2006.01); H04L 25/49 (2006.01); H04L 25/03 (2006.01);
U.S. Cl.
CPC ...
H04L 25/063 (2013.01); H04L 25/03267 (2013.01); H04L 25/4917 (2013.01); H04L 25/03057 (2013.01);
Abstract
There is provided a decision feedback equalizer including a comparison circuit configured to compare a value indicated as 2of a pulse amplitude modulated signal with a threshold value, wherein n is an integer of 2 or more, a latch circuit configured to retain data of a comparison result of the comparison circuit, a decoder configured to decode the retained data by the latch circuit, and a setting circuit configured to set the threshold value based on the retained data fed back from the latch circuit.