7,295,127 National security warning system integrated with building fire alarm notification system
  Issued: November 13, 2007
  Filed: November 24, 2003
  U.S. Class: 340/628
Abstract:  A fire alarm system includes a fire alarm notification appliance, and a warning detector which detects a warning alert from an external source. The fire alarm notification appliance provides notification of the warning alert in response to detection of the warning alert.

Posted by GEN-ERIC at 11:36:33 am into the following categories: Patents of the Day

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