Patent Yard Sign in
Canadian application, no grantCanada

Video processing

CA 2477554 A1 · Owner: British Telecommunications Public Limited Company · Inventors: Walker, Matthew David; Alvarez Arevalo, Roberto

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A method of decoding encoded video data the encoded video data being arranged as a plurality of video picture segments the data of the video picture , segments being arranged so that all header data for the segment are transmitted together and all motion vector data for the segment are transmitted together, the header data and motion vector data being separated by markers, the method comprising: receiving encoded video data; attempting to decode header information of an encoded video segment; when an attempt to decode all of the header information of an encoded video segment is unsuccessful, attempting to decode the motion vectors for the encoded video segment and, when the motion …

Read the whole patent

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 March 12, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 12, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 12, 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.
FiledMarch 12, 2003
GrantedNo grant recorded
Term endedMarch 12, 2023
Patent numberCA 2477554 A1
Classification (IPC)H04N19/89 +1 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedMarch 12, 2003Term endedMarch 12, 2023

Sources & verification

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