Transcoder unit
CA 2215129 A1 · Owner: Alcatel Alsthom Compagnie Generale D'Electricite · Inventors: Rottler, Ralf; Hoen, Gunther
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In order to improve a transcoder unit (TRCU) for use in a telecommunications network in such a way that digital voice signals can be transmitted at different transcoding rates, it is proposed to dispose at least two arithmetic units (FR; HR, EFR) with different transcoding rates on respective plug-in circuit boards in the transcoder unit, and to provide the transcoder unit with a subrack with backpanel wiring which receives these plug-in circuit boards. In this manner arithmetic units each containing eight digital signal processors, for example, are provided for each of the different transcoding rates. The arithmetic unit can be optimized for each transcoding rate. Individual plug-in …
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 September 24, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 24, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 24, 2019.
- 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.