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Expired Canadian patentCanada

Fast call setup system and method in a mobile communications system

CA 2531184 C · Owner: An, Jong Hoe · Inventors: An, Jong Hoe; Kyung, Chan Ho

CIPO record

Overview

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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 fast call setup system and method for a mobile communications device is provided. A mobile terminal monitors a paging channel on a first predetermined cycle, the paging channel comprising a plurality of slots for monitoring. After a traffic channel is disconnected upon receiving a release order (S1) the network provides reduced slot cycle parameters to the mobile terminal (S2). The mobile terminal uses these parameters to monitor the paging channel using a reduced slot cycle. Upon the expiration of an operational timer or through an intervention of either the network or the mobile terminal the , reduced slot cycle is terminated and a normal slot cycle is reinstated.

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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 June 25, 2004 and granted June 17, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 25, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 25, 2026.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 25, 2004
GrantedJune 17, 2014
Term endedJune 25, 2024
Patent numberCA 2531184 C
Classification (IPC)H04W68/00

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedJune 25, 2004Patent grantedJune 17, 2014Term endedJune 25, 2024

Sources & verification

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