Procedure for reducing interference in the transmission of an electrical communication signal
CA 2242550 A1 · Owner: Alcatel Alsthom Compagnie Generale D'Electricite · Inventors: Trompf, Michael; Walker, Michael; Matt, Hans Jurgen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Through crosstalk on lines, interference from current transmission lines or lineechoes the useable signal is superimposed by different interference signals. The task is to find a procedure for reducing interference which compared to the current, state of the art can be achieved with a smaller amount of computing input and is suited to both the reduction of quasi steady-state and non-steady interference. In this, the interference of a received signal is classified with regards to characteristics in the time range as a click, crackle, rumble or noise interference signal. The time range in which the interference occurs is marked. Depending on the interference type, interference blanking and/or …
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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 August 21, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 21, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 21, 2020.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.