Patents by Inventor Arnold Heisen

Arnold Heisen 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: 4967149
    Abstract: A drive device for an apparatus for electrical function testing of wiring matrices, which has optimally simple electrode shapes for the purpose of a further miniaturization with a two-electrode arrangement. For testing printed circuit boards a non-touching plasma contacting is used whereby two respectively selected measuring locations of a wiring matrix can be contacted via allocated discharge channels and their electrodes. The drive of the measuring locations (test points) occurs via control gas discharges that are generated by applying an adequately high voltage between the electrodes. By applying a voltage between the gas discharges, a current conduction that can be evaluated for test purposes is generated for a conductive connection between the test points.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: October 30, 1990
    Assignee: Siemens Aktiengesellschaft
    Inventors: Guenter Doemens, Thomas Rose, Detlef Hoffmann, Arnold Heisen