Patents by Inventor John P. Vaszari

John P. Vaszari 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).

  • Traveling-wave tube with integrated ion trap power supply
    Patent number: 7579778
    Abstract: A traveling-wave tube system and a method for protecting a cathode of a traveling-wave tube system. The system has an electron gun and a power supply that applies an electric potential between a cathode and an anode of the electron gun to generate a beam of electrons. The beam of electrons passes through a passage of a slow-wave structure. A collector electrode collects electrons from the beam of electrons generating a flow of current that flows through an ion trap power supply circuit to generate a DC voltage that is applied to the anode to repel positive ions generated.
    Type: Grant
    Filed: July 11, 2006
    Date of Patent: August 25, 2009
    Assignee: L-3 Communications Electron Technologies, Inc.
    Inventors: John P. Vaszari, Ronald G. Brownell
  • Traveling-wave tube with integrated ion trap power supply
    Publication number: 20080012657
    Abstract: A traveling-wave tube system and a method for protecting a cathode of a traveling-wave tube system. The system has an electron gun and a power supply that applies an electric potential between a cathode and an anode of the electron gun to generate a beam of electrons. The beam of electrons passes through a passage of a slow-wave structure. A collector electrode collects electrons from the beam of electrons generating a flow of current that flows through an ion trap power supply circuit to generate a DC voltage that is applied to the anode to repel positive ions generated.
    Type: Application
    Filed: July 11, 2006
    Publication date: January 17, 2008
    Applicant: Electron Technologies, Inc.
    Inventors: John P. Vaszari, Ronald G. Brownell