Patents by Inventor Dirk Van Hoof

Dirk Van Hoof 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).

  • Color quality printing using several application stations for applying the same color
    Patent number: 6912065
    Abstract: An apparatus and a method for making a digital color proof of an image on a surface of a receiving substrate, the apparatus including a plurality of application stations for imagewise applying each a specific type of marking particles to the surface of the receiving substrate, the application stations including a first number N1 of first application stations for applying marking particles of a first, dominant color and a second number N2 of one or more second application stations for applying marking particles of a second, non-dominant color, wherein N1 is larger than N2.
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: June 28, 2005
    Assignee: Agfa Gevaert
    Inventors: Marc Mahy, Dirk Van Hoof
  • Method and apparatus for calibration
    Patent number: 6575095
    Abstract: A method and an apparatus for calibrating a printing device, the method including the steps of: printing a wedge (10,11,12,13) by the printing device; determining for at least one patch (21) of the wedge (10,11,12,13) a magnitude of a psychophysical or psychovisual quantity; using the magnitude of the psychophysical or psychovisual quantity in calibrating the printing device.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: June 10, 2003
    Assignee: Agfa-Gevaert
    Inventors: Marc Mahy, Dirk Van Hoof