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Advanced services interactive security system

  • US 6,392,538 B1
  • Filed: 11/13/1996
  • Issued: 05/21/2002
  • Est. Priority Date: 11/13/1995
  • Status: Expired due to Term
First Claim
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1. A security system, comprising:

  • an earthquake sensor for detecting a predetermined condition;

    a central office;

    a communications link for notifying said central office of the existence of said predetermined condition;

    a transmitter at said central office responsive to the existence of said predetermined condition for transmitting a notification signal to at least one receiver; and

    control means associated with said at least one receiver for initiating a control function in response to said notification signal.

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