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Canadian application, no grantCanada

Method and apparatus for efficient selection and acquisition of a wireless communications system

CA 2473452 A1 · Owner: Qualcomm Incorporated · Inventors: Cooper, Rotem

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 mobile station includes processing circuitry and a memory storing a preferred roaming list and system priority data. The processing circuitry is adapted to detect a communications event for a currently selected wireless communications system and update an entry in the system priority data to reflect the occurrence of the detected communications event. The use of stored statistical information improves the efficiency of the system selection and acquisition process. In operation, a group of wireless communications systems is selected from the preferred roaming list in accordance with a predetermined system acquisition procedure. The group is reprioritized using the priority data …

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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 16, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 16, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 16, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 16, 2003
GrantedNo grant recorded
Term endedJanuary 16, 2023
Patent numberCA 2473452 A1
Classification (IPC)H04W48/18 +1 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedJan 16, 2003Term endedJan 16, 2023

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