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Expired Canadian patentCanada

Fast start-up for digital video streams

CA 2466458 C · Owner: Baldwin, James Armand · Inventors: Green, Dustin L.; Grossman, John H. Iv; Baldwin, James Armand

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

Described herein is a technology facilitating the presentation of digital video streams. An implementation, described herein reduces the effective , start-up , delay in the presentation of the first frames of the video content that occurs when a , system tunes into a video stream by streaming at least an additional stream parallel , with the main multicast stream. The alternative parallel stream having offset start , points from the main multicast stream to more quickly provide a picture in response to , a tuning command.

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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 May 5, 2004 and granted February 5, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 5, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 5, 2026.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 5, 2004
GrantedFebruary 5, 2013
Term endedMay 5, 2024
Patent numberCA 2466458 C
Classification (IPC)H04N7/17 +2 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedMay 5, 2004Patent grantedFeb 5, 2013Term endedMay 5, 2024

Sources & verification

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