作者: Vinay Mahajan , Trisha Mahajan , Christian Navarro
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摘要: A system and method for determining a specific user location path to an exit during emergency condition. In response alarm activated structure, notification may receive the signal. The send of alert mobile device when has subscribed alerts regarding structure. determine that is located in vicinity structure activate on device. distressed user's also be configured transmit supersonic audio SOS signal responder's two devices establish communications between responder provide instructions or guidance locate