Patents by Inventor Ehrhardt Seidenschnur

Ehrhardt Seidenschnur 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).

  • Arrangement for detecting the position of an index mark relative to a graduation
    Patent number: 4492861
    Abstract: An arrangement for determining the position of an index line relative to a graduation scale, particularly for use in goniometers which operate physically is constituted of a graduation track, a code track and a pulse track, a mask is associated to said tracks having a number of openings which embody a code for a respective value of an encoded graduation mark. The counted measuring values derived from the graduation marks and from the code track are fed into a storage, for example, a shift register.
    Type: Grant
    Filed: March 24, 1982
    Date of Patent: January 8, 1985
    Inventors: Franz Kebschull, Ehrhardt Seidenschnur