Switching network and switching network control for a transmission system
CA 1332001 C · Owner: N.V. Philips Gloeilampenfabrieken · Inventors: Kruger, Johann Emil Wilhelm; Killat, Ulrich Rudolf Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A switching network and switching network control for a transmission system. In the framework of the development of future, integrated wideband networks, specifically the, arrangement of the switching networks and switching network controls is of particular importance. In a switching network arranged in accordance with a space-division multiplex switching network each switching point comprises a comparator comparing the, addresses of the trunk lines arranged column-by-column to the routing information. When there is multiple correspondence in a column a decision circuit assigned to the trunk line decides the order in which the switching points are to switch. In addition an input buffer is …
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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 September 13, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 13, 2011.
- 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.