Patents by Inventor Berit Avset

Berit 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
    Publication number: 20050105098
    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 or 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: Application
    Filed: October 2, 2002
    Publication date: May 19, 2005
    Applicant: Sinvent AS
    Inventors: Ib-Rune Johansen, Britta Grennberg, Henrik Rogne, Dag Wang, Berit Avset, Alain Ferber, Ralph Bernstein