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SECURITY SYSTEM

  • US 20090243838A1
  • Filed: 01/15/2007
  • Published: 10/01/2009
  • Est. Priority Date: 01/19/2006
  • Status: Active Grant
First Claim
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1. A security system for an electrical device connected to a mains electricity supply, the security system comprising:

  • a confirmation transmitter interposed between the electrical device and the mains electricity supply, the transmitter configured to send a confirmation message via the mains supply; and

    a control unit operatively connected to the mains supply, the control unit configured to receive the confirmation message;

    wherein the control unit is configured to activate an alarm if the control unit does not receive the confirmation message.

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