Process, control system, terminal, exchange, incoupling device, decoupling device, and combination device for providing functions to a telecommunications terminal
CA 2278353 A1 · Owner: Siegmund, Gerd · Inventors: Siegmund, Gerd
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a process a control, system (CS), a terminal (TER) an exchange, an incoupling, device, a decoupling device and a combination device for, providing functions to a telecommunications terminal (TER) which is connected to an exchange (EX) via a subscriber line (SL). Therein a connection (VL1, VL2) of the subscriber line is carried out via a control system (CS) on the network side while a decoupling device (DECP) decouples the connection from the subscriber line and an incoupling device (INCP) incouples the connection once again into the subscriber line. The control system provides the functions to the terminal by manipulation of data which are transmitted on the …
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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 July 22, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 22, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 22, 2021.
- 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.