Patents by Inventor Jurgen Dollheimer

Jurgen Dollheimer 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: 4371813
    Abstract: An arrangement for displacing a marker on the picture screen of a display device, in which, to shift the marker rapidly as well as exactly, the marker is displaced by means of a rotary pulse generator, the direction of rotation determining the direction of displacement and the speed of rotation the speed of displacement. The output pulses of the rotary pulse generator are supplied to a progressive frequency transformer which generates more output pulses per input pulse the higher the frequency of the input pulses.
    Type: Grant
    Filed: July 29, 1980
    Date of Patent: February 1, 1983
    Assignee: Siemens Aktiengesellschaft
    Inventors: Jurgen Dollheimer, Klaus Knoll