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Security and tracking system

  • US 6,889,135 B2
  • Filed: 01/20/2003
  • Issued: 05/03/2005
  • Est. Priority Date: 03/31/1999
  • Status: Expired due to Fees
First Claim
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1. A security and tracking apparatus comprising at least a first signaling unit and a second signaling unit, wherein the second signaling unit is in communicating proximity with the first signaling unit, each respective said signaling unit having a receiver for identifying the location of said respective signaling unit;

  • and, a transmitter for transmitting the location of said respective signaling unit when the first and second signaling units are separated by more than a preselected distance.

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