Patents by Inventor Adrian Kohlbrenner

Adrian Kohlbrenner 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).

  • Automatic image quality determination
    Patent number: 6736478
    Abstract: The invention relates to a process for automatically determining the image quality of inkjet photo printers or color inkjet photo printers, whereby a digital reference test chart is produced which is made available to the printer. The printer or photo printer prints out the reference test chart so that a photo printer specific printout of the reference test chart is generated, which is digitized for comparison of the digitized image data with an optimum digital reference test chart, for determination of the image quality of the printed image on the basis of deviations or concurrences between the photo printer specific test chart printout and the reference test chart.
    Type: Grant
    Filed: July 24, 2002
    Date of Patent: May 18, 2004
    Assignee: Gretag Imaging Trading AG
    Inventors: Dieter Franzke, Adrian Kohlbrenner, Armin Kündig
  • Automatic image quality determination
    Publication number: 20030020776
    Abstract: The invention relates to a process for automatically determining the image quality of inkjet photo printers or color inkjet photo printers, whereby a digital reference test chart is produced which is made available to the printer. The printer or photo printer prints out the reference test chart so that a photo printer specific printout of the reference test chart is generated, which is digitized for comparison of the digitized image data with an optimum digital reference test chart, for determination of the image quality of the printed image on the basis of deviations or concurrences between the photo printer specific test chart printout and the reference test chart.
    Type: Application
    Filed: July 24, 2002
    Publication date: January 30, 2003
    Applicant: GRETAG IMAGING Trading AG
    Inventors: Dieter Franzke, Adrian Kohlbrenner, Armin Kundig