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Area watcher for wireless network

  • US 9,154,906 B2
  • Filed: 02/24/2006
  • Issued: 10/06/2015
  • Est. Priority Date: 03/28/2002
  • Status: Active Grant
First Claim
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1. A subscriber feature for a wireless system to allow a third party to send a text message to a mobile subscriber relative to a geographic area, said system comprising:

  • a privacy module configured to allow transmission of presence information relating to a particular wireless device at least one of entering and exiting at least one geographic area relating to a third party, wherein location information characterizing a location of said particular wireless device is blocked from transmission to the third party; and

    a text message transmitter configured to transmit a text message from said third party to said particular wireless device in response to receipt of said presence information relating to said particular wireless device.

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