Patents by Inventor Clayton J. Emery

Clayton J. Emery 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).

  • Optical line terminal that detects and identifies a rogue ONT
    Patent number: 7468958
    Abstract: An optical line terminal (OLT) determines when an optical network terminal (ONT) has become a rogue ONT, and then identifies the rogue ONT so that service can be restored. The OLT identifies the rogue ONT by comparing the received power levels with the levels that would be expected during normal operation.
    Type: Grant
    Filed: May 6, 2005
    Date of Patent: December 23, 2008
    Assignee: Tellabs Petaluma, Inc.
    Inventors: Clayton J. Emery, Richard B. Joerger
  • Optical network terminal with illegal transmission detection circuitry
    Patent number: 7424221
    Abstract: An optical network terminal, which includes an optical transmitter, monitors the status of the optical transmitter, such as the output or the power consumption of the optical transmitter, to determine when the optical transmitter is illegally transmitting. When an illegal transmission is detected, the optical network terminal removes power from the optical transmitter.
    Type: Grant
    Filed: March 4, 2005
    Date of Patent: September 9, 2008
    Assignee: Tellabs Petaluma, Inc.
    Inventors: Clayton J. Emery, Richard B. Joerger