Apparatus, method and computer program product for transcoding a coded moving picture sequence
CA 2312359 A1 · Owner: Kasai, Hiroyuki · Inventors: Tominaga, Hideyoshi; Nishimura, Satoshi; Hanamura, Tsuyoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for transcoding a coded moving picture sequence according to the present invention comprises a rate controller for adapting the scaling factor to, perform the rate control over the coded moving picture sequence signal having a, desired target bit rate. The rate controller of the apparatus has: a remaining bit, computing unit for computing: a remaining number of inputting bits R in(n) for each of, the pictures in the first coded moving picture sequence signal on the basis of the, number of real inputting bits S in(n) of the current picture and the estimated number of, inputting bits; and a remaining number of outputting bits R out(n)for each of the, pictures in the second …
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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 21, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 21, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 21, 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.