Patents by Inventor David M. Walus

David M. Walus 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).

  • Vehicle audio system
    Patent number: 10219073
    Abstract: A two-wire communication system includes a first audio circuit, and a second audio circuit electrically connected to the first audio circuit via a two-wire bi-directional multi-node communication bus. The communication connects the first audio circuit to the second audio circuit wherein an audio signal, an enable signal, and a clip detect signal are transmitted over the bus.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: February 26, 2019
    Assignee: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: David M. Walus, Ronald Eric Zlotnik, Ryan Anderson