Picture coding and decoding apparatus with less transmission amount
CA 2325065 A1 · Owner: Nec Corporation · Inventors: Miyazaki, Takashi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A picture coding and decoding apparatus includes a coding section, a demultiplexing section a, coding control section, an error detecting section and a notifying section. The coding section codes a picture data. The demultiplexing section demultiplexes a coded data to output an error detected macroblock number indicative of a number of a macroblock in which an error has occurred and a recovered macroblock number indicative of a number of a macroblock in which the error has been eliminated. The coding control section controls the coding section based on the error detected macroblock number and the recovered macroblock number from the demultiplexing section. The error detecting section …
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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 October 27, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 27, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 27, 2022.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.