Patents by Inventor Waldo Ruiterman

Waldo Ruiterman 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).

  • Patent number: 8390866
    Abstract: A computer-connectable portable memory device is specifically adapted for storing digital data files for the purpose of transferring the files to other equipment and/or displaying the files. The device has program code permanently residing therein and causing the device to identify itself as a printer when connected to a multi-purpose computer.
    Type: Grant
    Filed: March 11, 2008
    Date of Patent: March 5, 2013
    Assignee: OCE-Technologies B.V.
    Inventors: Matthijs F. Mullender, Robert J. Audenaerde, Waldo Ruiterman
  • Publication number: 20080225338
    Abstract: A computer-connectable portable memory device is specifically adapted for storing digital data files for the purpose of transferring the files to other equipment and/or displaying the files. The device has program code permanently residing therein and causing the device to identify itself as a printer when connected to a multi-purpose computer.
    Type: Application
    Filed: March 11, 2008
    Publication date: September 18, 2008
    Applicant: OCE-TECHNOLOGIES B.V.
    Inventors: Matthijs F. Mullender, Robert J. Audenaerde, Waldo Ruiterman
  • Patent number: 7394468
    Abstract: A method is provided for converting a digital colour image to a digital colour image with improved colour distinction. This method improves the colour distinction in a colour image for an observer suffering from a colour-blindness. The method includes defining a number of main colour values of a received digital colour image, converting the main colour values to converted main colour values such that the converted main colour values are perceived as distinguishable from each other by a colour-blind observer, and rendering the digital colour image with the converted main colour values.
    Type: Grant
    Filed: February 26, 2004
    Date of Patent: July 1, 2008
    Assignee: Océ-Technologies B.V.
    Inventors: Paul M. Hofman, Waldo Ruiterman, Frederik G. Heeman
  • Publication number: 20040212815
    Abstract: A method is provided for converting a digital colour image to a digital colour image with improved colour distinction. This method improves the colour distinction in a colour image for an observer suffering from a colour-blindness. The method includes defining a number of main colour values of a received digital colour image, converting the main colour values to converted main colour values such that the converted main colour values are perceived as distinguishable from each other by a colour-blind observer, and rendering the digital colour image with the converted main colour values.
    Type: Application
    Filed: February 26, 2004
    Publication date: October 28, 2004
    Inventors: Frederik G. Heeman, Paul M. Hofman, Waldo Ruiterman