Granted Patent
Utility
US 5,943,147 · App. 09/045,181
Telecommunication system and method for wavelength-division multiplexing transmissions with a controlled separation of the outgoing channels and capable of determining the optical signal/noise ratio
Inventors:
Stefano Vanoli, Mario Tamburello
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Mar 20, 1998
Inventors
Stefano Vanoli
Mario Tamburello
Assignee (at issue)
Pirelli Cavi S.p.A.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.