Patents by Inventor Shiunfun Cheung

Shiunfun Cheung 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).

  • MANAGING TELEPHONY AND ENTERTAINMENT AUDIO IN A VEHICLE AUDIO PLATFORM
    Publication number: 20150256933
    Abstract: A signal input module receives at least one of an entertainment audio signal and a telephony audio signal from vehicle sound circuitry. A level control module executes gain level control logic to balance the entertainment audio signal and a telephony audio signal according to a ratio. A gain control signal is applied to at least one of the entertainment audio signal and the telephony audio signal. A routing module mixes the entertainment audio signal and the telephony audio signal and routes the mixed signal to an output channel associated with a speaker.
    Type: Application
    Filed: March 6, 2014
    Publication date: September 10, 2015
    Inventors: Jeffrey R. Vautin, Eduardo T. Salvador, Ryo Maiguma, Tobe Z. Barksdale, Douglas J. Holmi, Charles Oswald, Zukui Song, Shiunfun Cheung, Michael S. Dublin