Patents by Inventor Anne-Sophie Golsong Roosdorp

Anne-Sophie Golsong Roosdorp 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).

  • Patent number: 7315632
    Abstract: Device has a transparent body (1) with a support surface (2). Light is incident on the surface at an angle less than that required for total internal reflection. In the areas of the fingerprint ridges evanescent fields are excited. Propagated light (12-14) is reflected from the surface (2) and incident on a detector (22) at angles within the angular range for total internal reflection.
    Type: Grant
    Filed: November 29, 2001
    Date of Patent: January 1, 2008
    Assignee: Fingerpin AG
    Inventors: Martin Spycher, Anne-Sophie Golsong Roosdorp
  • Publication number: 20040114783
    Abstract: Device has a transparent body (1) with a support surface (2). Light is incident on the surface at an angle less than that required for total internal reflection. In the areas of the fingerprint ridges evanescent fields are excited. Propagated light (12-14) is reflected from the surface (2) and incident on a detector (22) at angles within the angular range for total internal reflection.
    Type: Application
    Filed: January 22, 2004
    Publication date: June 17, 2004
    Inventors: Martin Spycher, Anne-Sophie Golsong Roosdorp