Patents by Inventor Daniel Keith Chappel

Daniel Keith Chappel 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).

  • Interference profile of a bursty channel
    Patent number: 10560729
    Abstract: A network test instrument is operable to generate an interference profile for a bursty channel of a cable television network. Frequency spectrum data of a received signal is cross-correlated with predetermined frequency spectrum data to identify traces representative of noise. The interference profile may be built from the traces.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: February 11, 2020
    Assignee: VIAVI SOLUTIONS INC.
    Inventors: Cinna Soltanpur, Vincent Michael Zipparo, Daniel Keith Chappel