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Monitoring Using Cellular Phones

  • US 20080064413A1
  • Filed: 10/30/2007
  • Published: 03/13/2008
  • Est. Priority Date: 06/11/2002
  • Status: Active Grant
First Claim
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1. A method of locating a cell phone or PDA, comprising:

  • obtaining information at the cell phone or PDA relating to reception of signals;

    transmitting the information from the cell phone or PDA to a remote facility; and

    determining the location of the cell phone or PDA from the information at the remote facility.

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