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Expired Canadian patentCanada

Method and apparatus for managing remote unit increased power transmission during location

CA 2278686 C · Owner: Motorola Mobility, Inc. · Inventors: Sanders, Stephen H. Iii; Jayapalan, Jay P.

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Abstract From the Canadian patent

Remote units (113) that require locating are managed by a queue controller (180) such that the number and location of remote units (113) that are transmitting at increased power at any given time is limited. In particular a , queue controller (180) places identification information for remote units (113) requiring location onto queues (203) associated with base stations supplying reference pilots to the remote units (113). Additionally identification (ID) information for the remote units (113) requiring location is placed onto queues (203) associated with base stations neighboring the base stations supplying the reference pilot to the remote units (113). The queues (203) operate on a …

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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 13, 1998 and granted August 12, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 13, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 13, 2020.
  • 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 13, 1998
GrantedAugust 12, 2003
Term endedJanuary 13, 2018
Patent numberCA 2278686 C
Classification (IPC)H04B1/04 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedJan 13, 1998Patent grantedAug 12, 2003Term endedJan 13, 2018

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