Patents by Inventor Vijaya Korwar Gallagher

Vijaya Korwar Gallagher 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).

  • Multiport amplifiers (MPAs) using output filtering to improve performance over life
    Patent number: 10320064
    Abstract: A payload subsystem of a satellite includes a plurality of transmit antenna feeds, a plurality of frequency filters, and a power amplification arrangement including a plurality of power amplifiers. The power amplification arrangement has at least one multiport amplifier, the multiport amplifier including a plurality of output ports, each output port coupled with a respective one of the plurality of transmit antenna feeds by way of a respective one of the plurality of frequency filters.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: June 11, 2019
    Assignee: Space Systems/Loral, LLC
    Inventors: Subrahmanyam V. Vaddiparty, Zheng Tu, Vijaya Korwar Gallagher
  • MULTIPORT AMPLIFIERS (MPAS) USING OUTPUT FILTERING TO IMPROVE PERFORMANCE OVER LIFE
    Publication number: 20170229765
    Abstract: A payload subsystem of a satellite includes a plurality of transmit antenna feeds, a plurality of frequency filters, and a power amplification arrangement including a plurality of power amplifiers. The power amplification arrangement has at least one multiport amplifier, the multiport amplifier including a plurality of output ports, each output port coupled with a respective one of the plurality of transmit antenna feeds by way of a respective one of the plurality of frequency filters.
    Type: Application
    Filed: November 29, 2016
    Publication date: August 10, 2017
    Inventors: Subrahmanyam V. Vaddiparty, Zheng Tu, Vijaya Korwar Gallagher