Acoustic vermin-repellent device

Details Acoustic vermin-repellent device Acoustic vermin-repellent device

1983-06-16

1984-11-20

Blum, Theodore M.

Communications, electrical: acoustic wave systems and devices

Transmitter systems

Animal control

H04B 102

Patent

active

044843160

ABSTRACT:
An acoustic vermin-repellent device comprises a trumpet-shaped main body, a first bowl-shaped reflection plate disposed in the vicinity of the small diameter end portion within the main body, a second bowl-shaped reflection plate disposed in the vicinity of the large diameter end portion within the main body so as to have its concave surface opposed to the concave surface of the first reflection plate, an acoustic generator attached to the concave surface of the second reflection plate so as to be directed to the concave surface of the first reflection plate, actuating means for causing the acoustic generator to fulfill its function, and a plurality of outlets formed around the second reflection plate for emitting out of the main body acoustic waves to be generated by the acoustic generator.

REFERENCES:
patent: 3873960 (1975-03-01), Gates, Sr.
patent: 4356881 (1982-11-01), Lowell

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