Patents by Inventor John Pirie Hill

John Pirie Hill 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).

  • Headphone for wireless use with authentication/encryption
    Publication number: 20040125958
    Abstract: A system for localized wireless audio communication includes a controller and headphones. The controller may be for transmitting a wireless signal representing audio information. The controller may be configured to encode the audio information. The headphones may be configured to receive the wireless signal and reproduce the audio information, wherein encoding the audio information includes providing an authentication uniquely associating the controller and the headphones, and reproducing the audio information includes verifying the authentication so that audio information represented by wireless signals from a source other than the controller is not reproduced.
    Type: Application
    Filed: December 26, 2002
    Publication date: July 1, 2004
    Inventors: Bruce F. Brewster, John Pirie Hill, Dhananjay B. Kulkarni, Thomas J. Hughes, Matthew Brian LaCourse