Patents by Inventor Paul Hartloff

Paul Hartloff 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).

  • Video signal compensator for compensating differential picture brightness of an optical image due to uneven illumination and method
    Patent number: 6100920
    Abstract: A video signal compensator and method for compensating for differential picture brightness of an optical image due to uneven illumination is shown. The video signal compensator includes a device for generating a compensating signal substantially representing at least one parameter of a compensating waveform required to produce a video signal representing an optical image having a substantially uniform brightness.
    Type: Grant
    Filed: January 11, 1999
    Date of Patent: August 8, 2000
    Assignee: Circon Corporation
    Inventors: Frederick A. Miller, Abraham Kotlyar, Frank D. D'Amelio, Paul Hartloff, Erhan Gunday