Patents by Inventor Joerg Schoenenborn

Joerg Schoenenborn 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).

  • Method and apparatus for controlling the brightness and/or color temperature of a microscope illumination system
    Patent number: 5559631
    Abstract: Methods are described for the control of the brightness in a manner independent of color and for the control of the color temperature in a manner independent of brightness, of the illumination light for a microscope device. An apparatus for carrying out the methods includes, beside a main light source 4, a secondary light source 5 with a color filter 6. Both light sources are electrically connected to a common regulating apparatus 8. By means of stored current values and by means of controllers 9, 10 and/or 19 which are to be operated manually, the light sources 4, 5 are driven using appropriate current values.
    Type: Grant
    Filed: August 4, 1993
    Date of Patent: September 24, 1996
    Assignee: Leica Mikroskopie und Systeme GmbH
    Inventors: Lucius Remer, Joerg Schoenenborn, Manfred Gilbert