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Canadian application, no grantCanada

Method and device for signal transmission avoiding collisions

CA 2391135 A1 · Owner: Van Den Bergh, Karel Maria · Inventors: Van Den Bergh, Karel Maria

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

Method for signal transmission, characterized in that use is made of signals (S1-S2) consisting of at least a first signal part (6) and a second signal part (7), whereby the method consists in transmitting the first signal part (6) with a first transmission speed, with the aim of preventing disturbances occurring as a result of the simultaneous presence of several signals (S1-S2); and subsequently transmitting the pertaining second signal part (7) with a second transmission speed after having obtained by the transmission of the , first signal part (6) the certainty that the second signal part (7) can be transmitted free of at least a number of disturbances.

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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 November 9, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 9, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 9, 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.
FiledNovember 9, 2000
GrantedNo grant recorded
Term endedNovember 9, 2020
Patent numberCA 2391135 A1
Classification (IPC)H04L12/41

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedNov 9, 2000Term endedNov 9, 2020

Sources & verification

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