Patents by Inventor Stephanie S. Everett

Stephanie S. Everett 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).

  • Front-end processor for narrowband transmission
    Patent number: 4630300
    Abstract: Bandwidth compression of speech signals is done by aliasing the fricativeund signals (4-8 KHz) into the voiced-sound signal band for transmission (0-4 KHz). To minimize distortion, aliasing (foldover) is done only when the fricative band power is more than twice the voice band power.
    Type: Grant
    Filed: October 5, 1983
    Date of Patent: December 16, 1986
    Assignee: United States of America as represented by the Secretary of the Navy
    Inventors: George S. Kang, Stephanie S. Everett, Alexander F. Thornhill