Automatic image quality determination
CA 2394405 A1 · Owner: Kohlbrenner, Adrian · Inventors: Kundig, Armin; Kohlbrenner, Adrian; Franzke, Dieter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
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.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed July 22, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 22, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 22, 2024.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.