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Bluetooth theft control

DC
  • US 7,075,433 B2
  • Filed: 01/24/2003
  • Issued: 07/11/2006
  • Est. Priority Date: 01/26/2002
  • Status: Expired due to Term
First Claim
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1. A process for monitoring an observed device, the process comprising:

  • transmitting from the observed device a wireless normal signal indicating a normal operating status;

    waiting for a determined time period to receive a wireless acknowledgement signal from a guardian device in response to the transmitted normal signal;

    transmitting from the observed device a wireless alarm signal indicating an alarm status in response to not receiving an acknowledgement signal from the guardian device within the determined time period; and

    receiving the alarm signal at a monitor device separate and distinct from the guardian device.

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