Ultrasound - Wikipedia, the free encyclopedia
1 History 2 Perception in humans and animals 2.1 Humans 2.2 Animals 3 Detection and ranging 3.1 Non-contact sensor 3.2 Motion sensors and flow measurement 3.3 Non-destructive testing 3.4 Ultrasonic range finding 3.5 Ultrasound Identification (USID) 4 Imag...