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Wireless extension of local area networks

  • US 7,486,648 B1
  • Filed: 07/11/2000
  • Issued: 02/03/2009
  • Est. Priority Date: 10/11/1999
  • Status: Active Grant
First Claim
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1. A system including a network that supports wireless portable devices, the system comprising:

  • a plurality of wireless access points in said network which receive wireless transmissions from said portable devices;

    a processor for determining a location of a portable device based on transmissions received by any of said plurality of access points from said portable device, wherein said processor may be in said wireless portable device or may be in an access point or other networked device;

    wherein a functionality of said portable device is altered in response to said determined location.

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