US Patent 9157250 Swimming pool safety apparatus and method

A swimming pool safety system, and method, uses a preservation mechanism that lifts a human-sized object from within a swimming pool to a top surface of the swimming pool. An underwater detection array detects the human-sized object within the swimming pool and generates a detection data. A preservation controller actuates the preservation mechanism in response to an automatic actuation signal that was generated based on the detection data so as to actuate the preservation mechanism to lift the human-sized object above the top surface of the swimming pool.