Patents by Inventor Charles Frizelle

Charles Frizelle 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).

  • Publication number: 20140314242
    Abstract: Methods and apparatuses for ambient sound enablement in headsets are disclosed. In one example, an ambient sound signal from a microphone is received. A pre-determined interrupt condition is identified from the ambient sound signal. The ambient sound signal is output at a headset speaker responsive to identifying the pre-determined interrupt condition.
    Type: Application
    Filed: April 19, 2013
    Publication date: October 23, 2014
    Applicant: Plantronics, Inc.
    Inventors: Lawrence A. Gollbach, Charles Frizelle