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:
Nov. 02, 2010
Filed:
Aug. 31, 2006
Applicants:
Wolfgang Schairer, Unterschleiβheim, DE;
Claus-jörg Weiske, Fürstenfeldbruck, DE;
Inventors:
Wolfgang Schairer, Unterschleiβheim, DE;
Claus-Jörg Weiske, Fürstenfeldbruck, DE;
Assignee:
Nokia Siemens Networks GmbH & Co. KG, Munich, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 10/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical differentially phase shift keyed or DPSK binary signal which in the event of phase changes exhibits amplitude reductions and is phase-demodulated is provided. The received optical DPSK binary signal is additionally amplitude-demodulated and resulting phase and amplitude information is evaluated.