Patents by Inventor Eckehard Wilhelm

Eckehard Wilhelm 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).

  • Publication number: 20080120033
    Abstract: The invention relates to methods for determining the scope of detectability and readability of light signals with several light spots at a given surrounding radiant density per unit area. According to the invention, calculation of the scope of detectability is carried out with the rod of the assumption that the total radiant density per unit area or the total light intensity of the light signal is obtained by multiplying the radiant density per unit area or light intensity of a single light spot by the number of light spots.
    Type: Application
    Filed: November 17, 2005
    Publication date: May 22, 2008
    Applicant: DEUTSCHE BAHN AG
    Inventors: Thorsten Moller, Eckehard Wilhelm