Patent ID: 7839290

Claim:
A building mounted safety device, used to aid in the rescue of trapped survivors from beneath the rubble of a building collapse, comprising: a. at least one sensor to detect a probable collapse of said building, b. an enclosure such that said safety device is able to function and withstand the impact forces of a collapsed building, c. a voice playback means to sound a predetermined voice prompt request from said device in order to elicit a response from said trapped survivor, after a probable building collapse has been detected by at least one of said sensor, d. a sound recognition means to detect a predetermined response from said trapped survivor, said predetermined response selected from the group consisting of predetermined voice commands or a sequence of tapping sounds, e. a logical decision means for establishing that at least one trapped survivor is in close proximity to said safety device, when said trapped survivor has responded to said voice prompts and has provided said safety device with said predetermined response, f. a sound generating means to emit sounds to attract potential rescuers to the proximate location of said trapped survivor in response to said establishing of said predetermined response whereby anyone who is uninjured and located near the collapsed building may be enlisted to become a potential rescuer and to immediately begin rescue of said trapped survivor, without said potential rescuer requiring the use of special training or special equipment, simply by following said sounds from said safety device to reach said trapped survivor.