×

Robust alarm system

  • US 20070109115A1
  • Filed: 10/12/2006
  • Published: 05/17/2007
  • Est. Priority Date: 10/14/2005
  • Status: Active Grant
First Claim
Patent Images

1. A robust alarm system comprising:

  • an alarm controller adapted to input an alarm trigger and generate at least one alarm drive signal in response;

    a plurality of alarm subsystems adapted to input said at least one alarm drive signal and activate a plurality of alarms in response;

    a subsystem function signal output from said alarm subsystems to said alarm controller so as to indicate the integrity of said alarm subsystems; and

    a malfunction indicator output from said alarm controller in response to a failure within said alarm subsystems.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×