Patents by Inventor Dirk Hönig

Dirk Hönig 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).

  • Method and apparatus for identifying a product
    Patent number: 9589227
    Abstract: The present invention relates to a method and a corresponding apparatus for identifying a product (1) or information relating to the product (1). In the method, a concealed code on the product (1) is identified, wherein the code is given by a set of ellipsometric parameters, and the method comprises the following steps of: measuring ellipsometric variables for at least one defined point (8) on a surface (9) of the product (1), comparing the measured ellipsometric variables with at least one reference code, and determining a match between the measured ellipsometric variables and the reference code or one of the reference codes or determining a mismatch with each reference code.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: March 7, 2017
    Assignee: BAM Bundesanstalt Für Materialforschung Und-Prüfung
    Inventors: Uwe Beck, Andreas Hertwig, Dirk Hönig, Ralph Domnick
  • METHOD AND APPARATUS FOR IDENTIFYING A PRODUCT
    Publication number: 20110095080
    Abstract: The present invention relates to a method and a corresponding apparatus for identifying a product (1) or information relating to the product (1). In the method, a concealed code on the product (1) is identified, wherein the code is given by a set of ellipsometric parameters, and the method comprises the following steps of: measuring ellipsometric variables for at least one defined point (8) on a surface (9) of the product (1), comparing the measured ellipsometric variables with at least one reference code, and determining a match between the measured ellipsometric variables and the reference code or one of the reference codes or determining a mismatch with each reference code.
    Type: Application
    Filed: December 18, 2008
    Publication date: April 28, 2011
    Inventors: Uwe Beck, Andreas Hertwig, Dirk Hönig, Ralph Domnick