Alarm origination latching system and method
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United States of America Patent
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Feb 22, 2011
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N/A
app pub date -
Nov 19, 2008
filing date -
Nov 20, 2007
priority date (Note) -
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Abstract
An embodiment of the invention provides a method including detecting a select hazardous condition by at least one triggering alarm unit of a plurality of interconnected hazardous condition alarm units. An actuatable latch in the triggering alarm unit is switched from an unlatched state to a latched state. An audible alert is generated in all of the interconnected alarm units. A test switch is actuated to identify the triggering alarm unit. Actuating the test switch disables the audible alert in each alarm unit having an actuatable latch in the unlatched state. A reset switch is actuated in only one of the alarm units to reset the actuatable latch in each of the alarm units to the unlatched state.
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