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Mobile monitoring and alert system

  • US 8,085,148 B2
  • Filed: 11/11/2008
  • Issued: 12/27/2011
  • Est. Priority Date: 11/11/2008
  • Status: Active Grant
First Claim
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1. A monitoring and alert system comprising:

  • a) a receiver, wherein the receiver does not broadcast information over a radio frequency; and

    b) one or a plurality of RFID tags, wherein the one or plurality of RFID tags are separately attached to one or a plurality of items, wherein the tags discontinuously broadcast unique identification information over a radio frequency at predetermined intervals independent of the receiver, said one or a plurality of RFID tags paired with the receiver such that the receiver recognizes the unique identification information independently broadcast by one or a plurality of paired tags;

    wherein the receiver is configured to receive and process broadcasted unique identification information from one or a plurality paired tags, and not to receive or process radio frequency information broadcasted from non-paired tags; and

    wherein the receiver, in the absence of the receiver receiving broadcast information from a paired tag in a predetermined period of time, identifies an item as being out of range of the receiver.

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