Patents by Inventor Siebert Holstein

Siebert Holstein 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: 5456021
    Abstract: An apparatus and method for measuring displacement by determining the relative speed between a scale and a scanning plate from reading out a first track twice at different times. From this, correction values for the other tracks are calculated, which represent values from those tracks that would have been read out if all those tracks had been read out at the same time the first track was read out instead of sequentially.
    Type: Grant
    Filed: September 3, 1993
    Date of Patent: October 10, 1995
    Assignee: Johannes Heidenhain GmbH
    Inventors: Gunther Nelle, Siebert Holstein