Patents by Inventor Kal-Heinz Feuerherd

Kal-Heinz Feuerherd 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).

  • Repositioning laser beams in information storage media
    Patent number: 5235573
    Abstract: Moving laser beams from useful tracks to alternative positions in devices in which information is stored optically or magneto-optically. This results in higher signal-to-noise ratios.
    Type: Grant
    Filed: October 3, 1990
    Date of Patent: August 10, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus D. Schomann, Peter Hammerschmitt, Sibylle Brosius, Kal-Heinz Feuerherd, Bernhard Albert, Michael Schmitt, Michael Acker