Arrangement for line-conducted digital telecommunication
CA 2251663 A1 · Owner: Schroder, Jurgen · Inventors: Schroder, Jurgen; Timmermann, Andreas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An arrangement for line-conducted digital telecommunication between a line termination (1) of a telecommunication network and subscribers (Tln) connected to this network is specified in which at least one subscriber (Tln) equipped with terminals is connected to a network termination (2) via an electrical line (L3), in which the network termination (2) is connected to the line termination (1) via a line (L2) containing metallic conductors and in which the line termination is equipped with a voltage source (SV) for supplying its own power and for supplying power to the network termination (2) and to the terminals of the subscribers (Tln). To increase the operational reliability, two separate …
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 November 13, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 13, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 13, 2020.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.