Ultrasonic device

Details Ultrasonic device Ultrasonic device

1973-10-17

1976-03-30

Wilbur, Maynard R.

Acoustics

Wave generation

310 82, 259 2, 259DIG44, G01K 1000, G01K 1106

Patent

active

039468291

ABSTRACT:
An ultrasonic device for convergently radiating ultrasonic energy including a metallic ring vibrated to resonance by at least one electromechanical transducer fixed on the outer circumference of the ring, thereby to deliver high power ultrasonic waves from the inner circumference of the ring into the vacant center thereof.

REFERENCES:
patent: 2578505 (1951-12-01), Carlin
patent: 2725219 (1955-11-01), Firth
patent: 2798832 (1957-07-01), Harvey
patent: 3164022 (1965-01-01), Ensley
patent: 3222221 (1965-12-01), Branson
patent: 3566313 (1971-02-01), Yuki
patent: 3645504 (1972-02-01), Jacke
patent: 3696259 (1972-10-01), Mori et al.
patent: 3743523 (1973-07-01), Bodine

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