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:
May. 06, 2014
Filed:
Jan. 05, 2011
Applicant:
Tszshing Cheung, Kawasaki, JP;
Inventor:
Tszshing Cheung, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 5/156 (2006.01);
U.S. Cl.
CPC ...
Abstract
An adaptive equalizer includes an equalization circuit and an operation number change unit. The equalization circuit includes a plurality of cascade-coupled delay taps. The equalization circuit equalizes an input signal by adding calculation results of the plurality of delay taps. The operation number change unit changes a number of operations of the plurality of delay taps according to an equalization error of the equalization circuit.