Patent ID: 8464663

Claim:
A system for controlling egress of at least one pet from a secured enclosure to outside environment thereof upon an occurrence of at least one of smoke, fire, gas and odor hazard emitting emergency, said system comprising: (a) an aperture formed through a thickness of a door of such enclosure, said aperture sized to accommodate passage of selected pets therethrough; (b) a pet door frame surrounding said aperture and being attached to a surface of the door; (c) a pet door hinged at an upper edge thereof to said pet door frame for movement between open and closed positions; (d) a lock member biased for engagement with said pet door and an electric solenoid connected to said lock member and selectively energized to disengage said lock member from said pet door, whereby said lock member and said electric solenoid are mounted within said pet door frame and configured to secure said pet door in said closed position and enable movement of said pet door to said open position upon receipt of a control signal so that such at least one pet is free to pass through said aperture to such outside environment; (e) a hazard detection sensor operatively coupled to said electric solenoid and providing said control signal upon sensing said occurrence of said hazard emitting emergency; (f) means for providing an audible hazard annunciation at predetermined intervals upon said hazard emitting emergency sensing; (g) means disposed to an edge of said aperture for playing a pre-recorded audible voice message during at least one predetermined interval to urge such at least one pet towards and through said aperture, so that said message is audible to such at least one pet located in a position remote from said aperture; and (h) a power source capable of supplying operating power to at least said electric solenoid.