Patents by Inventor Dietmar Schaub

Dietmar Schaub 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).

  • Electronic stylus for digitizing devices
    Patent number: 4491688
    Abstract: The invention relates to an electronic stylus for digitizing devices usable for designing and digitizing. A fine-lead unit 1 with lead storage chamber 8 and advanceable graphite lead 7 is arranged in a carrier tube 2; the lead guide means 32 is surrounded by a detachable induction coil 31, by means of which the digitizing device is activated.A combined contact and on-off switch, constructed with the use of a flexible circuit board and seated on the carrier tube, is actuated with the aid of a longitudinally displaceable tubular handle 3 and a turning ring 23 mounted thereon.
    Type: Grant
    Filed: April 20, 1983
    Date of Patent: January 1, 1985
    Assignee: Albert Nestler GmbH
    Inventors: Dietmar Schaub, Gert Heups