An ultrasonic imaging system and method for imaging human or animal tissue having a surface and including a probe comprising a platen for defining the surface in a manner supporting the human or animal tissue for imaging the same, a transducer positioned closely adjacent the supporting platen for providing...http://www.google.de/patents/US5935071?utm_source=gb-gplus-sharePatent US5935071 - Ultrasonic biometric imaging and identity verification system
