Patents by Inventor Wilfried Erhard Otto Ilgmann

Wilfried Erhard Otto Ilgmann 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: 6061005
    Abstract: The invention provides a method of encoding data, which includes defining a cell with a predetermined width and defining a plurality of internal signal positions within the cell, wherein the number of internal signal positions relates to the order of a symbology utilised. The invention also relates to an encoding means for encoding data, a method of decoding data, a decoding means for decoding data and a carrier with data encoded thereon.
    Type: Grant
    Filed: November 25, 1997
    Date of Patent: May 9, 2000
    Assignee: Microcorp Technologies (Proprietary) Limited
    Inventors: Hendrik Jacobus Van Rooyen, Wilfried Erhard Otto Ilgmann