Patent ID: 7994928
Filing Date: 2011-08-09
Classification: G08B

Abstract:
1. A multifunction smoke alarm unit comprising: a single enclosure that approximates the size of a smoke detector configured for installation on a ceiling or wall; at least two separate sensors located within said single enclosure, wherein at least one of said sensors is a smoke or combustion detector, and at least one of said sensors is an occupancy sensor that detects the presence and absence of occupants; said at least two separate sensors are powered externally from an AC source; said at least two separate sensors further includes a battery to provide power in the event of AC power disruption; further includes at least one hard wired interconnect which can connect to at least one other smoke alarm or multifunction smoke alarm unit; said interconnect link(s) provides propagation of smoke alarms, occupancy alarms and signal events to at least a second smoke alarm and or multifunction smoke alarm, and at least one audible warning device for notification of a-combustion or an occupancy or vacancy detection event.