Trilateral duplex path conferencing system with broadcast capability
CA 1160372 A · Owner: International Standard Electric Corporation · Inventors: Upp, Daniel C.; Toegel, Herbert J.; Kuras, Michael L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Kuras, et al 1-4-1, Abstract of the Disclosure A system is disclosed which permits information received from any data terminal or telephone subscriber line at any interface to a digital network to be transmitted to any number of other terminals at any or all of the interfaces to the digital network. The system herein described also permits any terminal at any interface of the digital network to be conferenced with up, to N other terminals at any or all of the interfaces to the digital network where N can be made to depend solely upon the topology and single path transmission delay of the digital network itself. A facility is provided which is independently provisioned at every interface to …
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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
- Granted January 10, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 10, 2001.
- 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.