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ALERTING DEVICE WITH SUPERVISION

  • US 20090303031A1
  • Filed: 06/10/2009
  • Published: 12/10/2009
  • Est. Priority Date: 06/10/2008
  • Status: Active Grant
First Claim
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1. An alerting system for alerting a user, said alerting system comprising:

  • a transmitter monitoring a predetermined condition and outputting an alarm signal in response to detection of said predetermined condition, said transmitter further outputting a supervisory signal indicative of operation of said transmitter; and

    an alerting device receiving said alarm signal and said supervisory signal from said transmitter, said alerting device detecting cessation of said supervisory signal being received by said alerting device and outputting a first alert signal to the user indicative of said cessation of said supervisory signal, said alerting device further detecting presence of said alarm signal and outputting a second alert signal to the user indicative of presence of said predetermined condition.

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