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Expired Canadian patentCanada

Predictive bursty real-time traffic control for telecommunications switching systems

CA 2279950 C · Owner: Duty, David Allen · Inventors: Ruiz, Jose Guadalupe; Duty, David Allen

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A traffic control system (and associated method) according to the present invention includes a feedback control mechanism in which the controlled variable is, processor occupancy, the controlling variable is the amount of resources necessary to, satisfy the operational requirements of the switching system and the set , point is the, average expected load based on a Poisson arrival rate. Current processor occupancy is, compared, on an instantaneous basis against the set point to detenmine if it exceeds the, average expected load. If so the controlling variable is adjusted to allocate additional, resources to process the offered traffic load. The process continues until the traffic, …

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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 August 9, 1999 and granted December 10, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 9, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 9, 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.
FiledAugust 9, 1999
GrantedDecember 10, 2002
Term endedAugust 9, 2019
Patent numberCA 2279950 C
Classification (IPC)H04Q3/54 +1 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedAug 9, 1999Patent grantedDec 10, 2002Term endedAug 9, 2019

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.