Patents by Inventor Ernst Schraud

Ernst Schraud 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: 6583761
    Abstract: A system and method is provided for determining the position of a transmitter/receiver device (13) arranged anywhere in a space in relation to at least two transmitter/receiver devices (11, 12) arranged at defined positions in the space with regard to each other. At least three transmitter/receiver devices (11, 12, 13), which each have an antenna device with a number of antenna units (20, 26, 27) distributed in a defined manner on a spherical surface (17) and a signal generating device, of which two transmitter/receiver devices (11, 12) are at least temporarily fixed in a local co-ordinate space (16). The other transmitter/receiver device (13) is movable relative to these devices.
    Type: Grant
    Filed: November 14, 2001
    Date of Patent: June 24, 2003
    Assignee: Geometrie Concern Verwaltungs - und Beteiligungsgesellschaft mbH
    Inventors: RĂ¼diger Angermeier, Ernst Schraud