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. 22, 2013
Filed:
Sep. 23, 2011
Applicants:
Edem Ibragimov, Santa Clara, CA (US);
Sunil Kumar Singh Khatana, Sunnyvale, CA (US);
Inventors:
Edem Ibragimov, Santa Clara, CA (US);
Sunil Kumar Singh Khatana, Sunnyvale, CA (US);
Assignee:
Opnext Subsystems, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/00 (2013.01);
U.S. Cl.
CPC ...
Abstract
A method for detecting and measuring time skew in high-speed DP-QPSK coherent optical receivers is described.
Ibragimov, Edem. (2013). Quadrature time skew detection for coherent optical signals (U.S. Patent No. 8565621). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8565621
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile