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Expired Canadian patentCanada

Moving picture stream generation apparatus, moving picture coding apparatus, moving picture multiplexing apparatus and moving picture decoding apparatus

CA 2811897 C · Owner: Panasonic Corporation · Inventors: Kadono, Shinya; Yahata, Hiroshi; Okada, Tomoyuki

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Abstract From the Canadian patent

To provide a moving picture stream generation apparatus and the like that generates a moving picture stream that can be played back in trick-play such as variable-speed playback and reverse playback even in a coding format such as the MPEG-4 AVC in which flexible prediction structures are allowed. A moving picture stream generation apparatus includes: a trick-play information generation unit TricPlay for generating supplemental information on a random access unit basis the supplemental information being referred to at the time of playback of each random access unit and each random access unit including one or more pictures; and a variable length coding unit VLC for generating a stream …

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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 April 25, 2005 and granted June 3, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 25, 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.
FiledApril 25, 2005
GrantedJune 3, 2014
Term endedApril 25, 2025
Patent numberCA 2811897 C
Classification (IPC)H04N19/11 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedApril 25, 2005Patent grantedJune 3, 2014Term endedApril 25, 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.