Patents by Inventor Trevor W. Hardcastle

Trevor W. Hardcastle 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).

  • Distributed watchdog timer and active token exchange
    Patent number: 11579957
    Abstract: A system includes a plurality of watchdog components. Each watchdog component is configured to receive a kick signal from its monitored function to determine whether the monitored function is active. Each watchdog component is further configured to receive a respective token from all watchdog components that the each watchdog component is connected to. The respective token determines whether its respective watchdog component has timed out. Each watchdog component is further configured to generate a token responsive to the kick signal and further responsive to the respective token from all watchdog component that the each watchdog component is connected to. Each watchdog component is further configured to transmit the generated token to the all watchdog components that the each watchdog component is connected to.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: February 14, 2023
    Assignee: XILINX, INC.
    Inventors: Edward S. Peterson, Trevor W. Hardcastle, Carl H. Carmichael