Patents by Inventor Nicholas J. Johnston

Nicholas J. Johnston 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).

  • Modular RF matrix switch
    Patent number: 9819317
    Abstract: An RF matrix switch has a first set of card slots at selected locations on the chassis and a second set of card slots at different selected locations on the chassis as well as input cards and output cards. The input cards, the output cards, the first set of card slots and the second set of card slots are all configured so that the input cards and the output cards fit into all of these slots. Reroute cards can be provided for any unused card slots. The RF matrix switch also may have an active power management system in which there is a power control switch connected to each amplifier that turns the amplifier off when the amplifier is not being used.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: November 14, 2017
    Assignee: Quintech Electronics & Communications, Inc.
    Inventors: Thomas B. Phelps, Nicholas J. Johnston
  • Modular RF Matrix Switch
    Publication number: 20160065136
    Abstract: An RF matrix switch has a first set of card slots at selected locations on the chassis and a second set of card slots at different selected locations on the chassis as well as input cards and output cards. The input cards, the output cards, the first set of card slots and the second set of card slots are all configured so that the input cards and the output cards fit into all of these slots. Reroute cards can be provided for any unused card slots. The RF matrix switch also may have an active power management system in which there is a power control switch connected to each amplifier that turns the amplifier off when the amplifier is not being used.
    Type: Application
    Filed: August 20, 2015
    Publication date: March 3, 2016
    Inventors: Thomas B. Phelps, Nicholas J. Johnston