Horn loaded transducer for acoustic levitation

Details Horn loaded transducer for acoustic levitation Horn loaded transducer for acoustic levitation

1986-06-09

1989-06-20

Tarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Miscellaneous

181 05, 73505, G01K 1500

Patent

active

048414956

ABSTRACT:
A sound source coupled to an acoustic levitation chamber is provided with horn loading to improve efficiency and to protect the sound source from heat. A dish sound source may be used, and the horn may include a half wavelength pathway from the rear of the dish to provide additional efficiency.

REFERENCES:
patent: 4284403 (1981-08-01), Rey
patent: 4333796 (1982-06-01), Flynn
patent: 4393706 (1983-07-01), Barmatz
patent: 4549435 (1985-10-01), Barmatz et al.
patent: 4573356 (1986-03-01), Barmatz et al.
patent: 4713799 (1987-12-01), Phelan et al.

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