Weighted round-robin multiplexing of atm cells by updating weights with counter outputs
CA 2226319 C · Owner: Nec Corporation · Inventors: Shimonishi, Hideyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In an ATM network node, cells of different service classes are stored in respective buffers and counters respectively associated with the buffers are initially loaded with full-count values respectively corresponding to the weight valeus of the service classes. The initial full-count values are updated respectively with the output values of the associated counters. Control circuitry sequentially interrogates the buffers and the counters in a round-robin fashion. If the output value of each interrogated counter is not decremented to a predetermined value a cell, is forwarded from the associated buffer and the counter is decremented by one. At the end of a round robin cycle all of 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 January 6, 1998 and granted May 21, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 6, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 6, 2020.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.