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Canadian application, no grantCanada

Method and apparatus for reproducing a colour image based on monochrome images derived therefrom

CA 2417007 A1 · Owner: Buzuloiu, Ileana · Inventors: Merry, Trevor; Buzuloiu, Ileana

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Methods and apparatus are provided, first for converting a colour image to a set, of monochrome or, preferably, grayscale image components and then for producing, a reconstructed colour image from such set of monochrome or grayscale image components assumed to derive from an original colour image. Preferably the , image, components are Red, Green and Blue grayscale image components such that each, is associated with a different colour plane of the original colour image. The original, colour image is separated into the image components by means of a colour plane separator component which extracts the independent colour plane images (Red Green, and Blue). Advantageously, the grayscale …

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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 January 23, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 23, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 23, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 23, 2003
GrantedNo grant recorded
Term endedJanuary 23, 2023
Patent numberCA 2417007 A1
Classification (IPC)H04N1/54 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedJan 23, 2003Term endedJan 23, 2023

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.