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Canadian application, no grantCanada

Fault control and restoration in a data communication system

CA 2339237 A1 · Owner: Telefonaktiebolaget Lm Ericsson · Inventors: Hiltunen, Seppo

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A method of controlling a multi-channel processor board (1a) in a telecommunications system comprises monitoring the fault status of a multiplicity of processor cores (3), each arranged to process one or more speech channels, distributed amongst a plurality of Digital Signal Processors (DSPs) (2a-2d) of the processor board (1a). Monitoring comprises receiving fault alarms from fault containing DSPs at an on-board controller (5) and , notifying an off-board controller (8) of a received fault alarm including identifying the faulty core(s) and/or associated speech channels. The offboard controller (8) returns to the on-board controller (5) a reset command whereupon the on-board …

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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 3, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 3, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 3, 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 3, 1999
GrantedNo grant recorded
Term endedAugust 3, 2019
Patent numberCA 2339237 A1
Classification (IPC)H04Q3/54 +1 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedAug 3, 1999Term endedAug 3, 2019

Sources & verification

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