Patents by Inventor Silvia Pato

Silvia Pato has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Failsafe optical splitter and method to isolate faults in a passive optical network
    Patent number: 8554080
    Abstract: An optical splitter for a passive optical network for telecommunication signal transmission with an optical line terminal includes a wavelength selective optical electrical converter, an AC/DC splitter, an energy reservoir and optical switches, where the splitter comprises also a data transmission processing module by which the optical switches can be controlled according to data signals transmitted from the optical line terminal.
    Type: Grant
    Filed: September 18, 2008
    Date of Patent: October 8, 2013
    Assignee: Nokia Siemens Networks OY
    Inventors: Marek Hajduczenia, Pedro Inacio, Paulo Miguel Monteiro, Silvia Pato, Henrique Silva
  • FAILSAFE OPTICAL SPLITTER AND METHOD TO ISOLATE FAULTS IN A PASSIVE OPTICAL NETWORK
    Publication number: 20110069955
    Abstract: An optical splitter for a passive optical network for telecommunication signal transmission with an optical line terminal includes a wavelength selective optical electrical converter, an AC/DC splitter, an energy reservoir and optical switches, where the splitter comprises also a data transmission processing module by which the optical switches can be controlled according to data signals transmitted from the optical line terminal.
    Type: Application
    Filed: September 18, 2008
    Publication date: March 24, 2011
    Applicant: NOKIA SIEMENS NETWORKS OY
    Inventors: Marek Hajduczenia, Pedro Inacio, Paulo Miguel Monteiro, Silvia Pato, Henrique Silva