Patents by Inventor Bjoern Heppner

Bjoern Heppner 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).

  • Integrated circuit ring oscillator having line driver with double line feedback
    Patent number: 5652549
    Abstract: A monolithically integrated oscillator is implemented as ring oscillator with a line driver and a double line formed on one and the same chip. A running time of the double line is selected optimally long and a delay time of the line driver is selected optimally short. The double line can be loaded with controllable capacitors.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: July 29, 1997
    Assignee: Siemens Aktiengesellschaft
    Inventors: Reinhold Unterricker, Bjoern Heppner