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PUBLIC AREA LOCATOR SYSTEM

  • US 20010011954A1
  • Filed: 03/11/1998
  • Published: 08/09/2001
  • Est. Priority Date: 03/11/1998
  • Status: Abandoned Application
First Claim
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1. A wireless locator system for determining the approximate location within a predetermined area of a person or article carrying a radio frequency (RF) transmitter, comprising:

  • at least one low power RF transmitter incorporated in a device for attachment to a person or an article within said predetermined area;

    a plurality of RF receivers spaced at predetermined locations within said predetermined area for receiving signals from said RF transmitter and for transmitting signals; and

    a control center including a central processing unit for receiving said signals transmitted from said RF receivers and operable to identify at least one of a person authorized to carry said RF transmitter and the approximate location of said RF transmitter within said predetermined area.

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