Patents by Inventor Joachim Manner

Joachim Manner 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).

  • Reflected light sensor having dual emitters and receivers
    Patent number: 5225689
    Abstract: A reflected light sensor having a light transmitter including at least two mutually independent light sources and a light receiver including at least two separately evaluatable photosensitive elements. A switching point or distance limit of the light sensor can be continuously varied within a defined sensing range by inversely and continuously controlling currents of the light sources in accordance with a control voltage U.sub.St,LED, or by continuously varying a first and a second independent control voltage thereby controlling gains of signals at the output of the photosensitive elements.
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: July 6, 1993
    Assignee: Leuze Electronic GmbH & Co.
    Inventors: Kurt Buckle, Joachim Manner, Frank Bauder