Patents by Inventor Jan L. ter Hasebrg

Jan L. ter Hasebrg 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).

  • Electro-optical measuring and transmission device using overload and overvoltage protection circuits
    Patent number: 4929842
    Abstract: The present invention relates to a miniaturized, isotropic electro-optical measuring and transmission device including a measuring head having small exterior dimensions which is supplied only by means of optical conductors and includes an overload protection in the transducer supply and a frequency compensated overvoltage protection in the signal branch.
    Type: Grant
    Filed: May 12, 1989
    Date of Patent: May 29, 1990
    Assignee: Licentia Patent-Verwaltungs GmbH
    Inventors: Jan L. ter Hasebrg, Joachim Nedwig, Klaus-Dieter Kruse