Patents by Inventor Berit Sundby Avset

Berit Sundby Avset 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).

  • Optical displacement sensor
    Patent number: 7164479
    Abstract: This invention relates to an optical displacement sensor element, e.g. for use in a pressure sensor or a microphone, comprising two essentially flat surfaces being separated by a cavity being defined by a spacer, the distance between the surfaces being variable thus providing a displacement sensitive Fabry-Perot interferometer. Both of said surfaces are at least partially reflective, and in that said first surface is provided with at least one optical detector, and one of surfaces being provided on an at least partially transparent material.
    Type: Grant
    Filed: October 2, 2002
    Date of Patent: January 16, 2007
    Assignee: Sinvent AS
    Inventors: Ib-Rune Johansen, Britta Grennberg Fismen, Henrik Rogne, Dag Wang, Berit Sundby Avset, Alain Ferber, Ralph W. Bernstein