Curved sensor array configurations and methods of processing the data gathered by the sensors. A 2 dimensional embodiment comprises singular ring of sensors that can monitor sources in a 2 dimensional plane. A sensor directly facing a target produces a maximum response. As the angle of a sensor relative...http://www.google.com.au/patents/US7619754?utm_source=gb-gplus-sharePatent US7619754 - Curved sensor array apparatus and methods
