History of Ultrasound Flashcards
1
Q
Spallanzani
A
Experiments w/ bats & echolocation
2
Q
Galton
A
Made high frequency sound waves – the dog whistle
3
Q
Doppler
A
Doppler effect
4
Q
Langevin
A
Hydrophone - scale measuring intensity
Naval pulse-echo sonar
5
Q
Dussik
A
Used ultrasound to find brain tumors
6
Q
Ludwig
A
Found gallstones
7
Q
Holmes & Howry
A
Used the panscanner (cattle tank to make bistable images)
8
Q
Curie brothers
A
Piezoelectric effect