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System for monitoring a person's location in a defined area

  • US 20060132300A1
  • Filed: 12/08/2004
  • Published: 06/22/2006
  • Est. Priority Date: 12/08/2004
  • Status: Active Grant
First Claim
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1. A system for monitoring a person'"'"'s location in a defined area, comprising:

  • a plurality of ID readers, each respective ID reader having a reader transmitter and a reader receiver for transmitting and receiving signals, respectively, each respective ID reader having a predetermined reader transmission identifier different from a predetermined reader transmission identifier of any other said ID reader, each respective ID reader including means for including a respective reader transmission identifier in a respective signal;

    a plurality of ID badges remote from said plurality of ID readers, each respective ID badge having a badge receiver for receiving query signals from a respective ID reader and a badge transmitter for transmitting reply signals to a respective ID reader, each respective badge transmitter having a predetermined badge transmission identifier different from a predetermined badge transmission identifier of any other said badge transmitter, each respective ID badge including means for including a respective badge transmission identifier in a respective reply signal;

    a CPU in communication with a data storage unit for maintaining ID badge information, said CPU including means for recognizing a respective badge transmission identifier and means for associating said respective badge transmission identifier with a corresponding ID badge, said CPU including means for recognizing a respective reader transmission identifier and means for associating said respective reader transmission identifier with a corresponding ID reader; and

    means for communicating between said CPU and said plurality of ID readers.

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