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Expired Canadian patentCanada

Seamless switching between random access units multiplexed in a multi angle view multimedia stream

CA 2555700 C · Owner: Toma, Tadamasa · Inventors: Toma, Tadamasa; Kadono, Shinya; Okada, Tomoyuki

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Abstract From the Canadian patent

The multiplexing apparatus which does not make a user who watches a moving picture feel uncomfortable, the moving picture including: (i) a coding unit (42) for generating one or more coded streams so that no gap occurs at the connection of predetermined two access units in a process of decoding in , sequence, the two access units in all of the access units included in the coded streams; and (ii) a multiplexing unit (18) for multiplexing with other , information, the coded streams generated in the coding unit (42).

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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 June 1, 2005 and granted January 7, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 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.
FiledJune 1, 2005
GrantedJanuary 7, 2014
Term endedJune 1, 2025
Patent numberCA 2555700 C
Classification (IPC)H04N21/23 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJune 1, 2005Patent grantedJan 7, 2014Term endedJune 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.