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Expired Canadian patentCanada

Method and apparatus for using frame rate up conversion techniques in scalable video coding

CA 2572605 C · Owner: Qualcomm Incorporated · Inventors: Raveendran, Vijayalakshmi R.; Walker, Gordon Kent

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Abstract From the Canadian patent

A method for encoding a video stream includes partitioning the video stream into a main layer having a plurality of main layer frames and an interpolated , layer having a plurality of interpolated layer frames; interpolating a frame rate up conversion (FRUC) frame; and encoding the plurality of main layer frames in the interpolated layer with the assistance of the main FRUC frame. A video encoder implementing the method is also described.

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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 July 1, 2005 and granted April 2, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 1, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 1, 2005
GrantedApril 2, 2013
Term endedJuly 1, 2025
Patent numberCA 2572605 C
Classification (IPC)H04N19/58 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJuly 1, 2005Patent grantedApril 2, 2013Term endedJuly 1, 2025

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