Patents by Inventor Pascal Cheung-Mon-Chan

Pascal Cheung-Mon-Chan 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 of checking the calibration of a display system in particular a printer
    Patent number: 6133950
    Abstract: When the display system is calibrated, digital test image delivered as input to system provides a resulting image perceived the human eye as being composed of a plurality individual elements which themselves are composed two grey levels and have the same contrast from element to another.
    Type: Grant
    Filed: February 2, 1999
    Date of Patent: October 17, 2000
    Assignee: GE Medical Systems, S.A.
    Inventors: Pascal Cheung-Mon-Chan, Vladislav Boutenko