Patents by Inventor David Friesema

David Friesema 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).

  • Antenna For Miniature Wireless Devices And Improved Wireless Earphones Supported Entirely By The Ear Canal
    Publication number: 20080056526
    Abstract: Certain embodiments of the present technology provide wireless earphone systems that include earphones configured to be supported entirely by the ear canals of the wearer and to provide stereophonic reproduction of sound to the wearer based on a two-channel stereophonic signal from a transceiver that is attachable to a device. Certain embodiments of the present technology provide wireless earphone systems that include earphones configured such that channel reception can be switched between the earphones. Certain embodiments of the present technology provide wireless earphone systems that include an earphone that includes: a housing; a ground plane comprising circuitry; and a multi-segmented antenna configured to receive a signal from a transceiver, wherein the antenna and the ground plane are disposed within the housing, wherein the antenna is substantially parallel to the ground plane, and wherein the antenna and the ground plane are separated by a distance.
    Type: Application
    Filed: August 31, 2007
    Publication date: March 6, 2008
    Applicant: Etymotic Research, Inc.
    Inventors: William Dunn, Timothy Milan, Kelly Kodama, Mead Killion, Viorel Drambarean, David Friesema