Patents by Inventor Otmar Baldas

Otmar Baldas 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).

  • Bar code, as well as process and apparatus for reading the same
    Patent number: 5430278
    Abstract: A process in which by a bar code formed by bars are gaps located between them with different electromagnetic characteristics, an electromagnetic alternating field is produced and a measuring field variable by the bar code is detected. At lease one sensor is provided with a sensor core, an exciting coil subject to high frequency located thereon and in each case at least one sensor coil closely adjacent to the exciting coil. The bar code is formed by electrically conductive material bars placed on a carrier with gaps.
    Type: Grant
    Filed: November 16, 1992
    Date of Patent: July 4, 1995
    Assignee: Gunther Krieg
    Inventors: Gunther Krieg, Otmar Baldas, Andreas Hanke