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:
Sep. 10, 2013
Filed:
Oct. 28, 2010
Applicants:
Andrew Wagner, Los Altos, CA (US);
Christian Malouin, San Jose, CA (US);
Theodore J. Schmidt, Gilroy, CA (US);
Inventors:
Andrew Wagner, Los Altos, CA (US);
Christian Malouin, San Jose, CA (US);
Theodore J. Schmidt, Gilroy, CA (US);
Assignee:
Opnext Subsystems, Inc., Los Gatos, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/00 (2013.01);
U.S. Cl.
CPC ...
Abstract
An adaptive-equalizer initialization system performs three functions: frequency offset estimation, taps estimation for chromatic dispersion filters, and taps initialization for an adaptive equalizer. The system contains hardware FFT and peak detector units that sense a pure tone that marks the beginning of a known, short data sequence.