Pest and insect expeller of an electromagnetic type

Details Pest and insect expeller of an electromagnetic type Pest and insect expeller of an electromagnetic type

1993-11-05

1995-12-12

Bradley, P. Austin

Fishing, trapping, and vermin destroying

Vermin destroying

367139, 116 22A, A01M 102

Patent

active

054738369

ABSTRACT:
A structure of an pest and insect expeller of an electromagnetic type comprises astable multivibrator circuits an electromagnetic sound generator, a heat dissipation system, and conductor power wires, wherein the astable multivibrators produce a series of intermittent and varying signals. The electromagnetic sound generator makes use of the inductance of an electromagnetic field to create physical vibrations, resulting in electromagnetically vibrated sound waves. The sound waves are delivered by the medium of conductor power wires to all indoor power lines and ground wires connected to the apparatus of the invention, and are distributed all over room corners, cracks on walls, and gaps so that insects will feel uncomfortable and get out of hidden places, as a result, the apparatus can achieve its effect.

REFERENCES:
patent: 2783760 (1957-03-01), Smith
patent: 2812612 (1957-11-01), Vang
patent: 3657715 (1972-04-01), Curtin
patent: 4097838 (1978-06-01), Fiala
patent: 4163966 (1979-08-01), Mounce
patent: 4219884 (1980-08-01), DeSantis
patent: 4484315 (1984-11-01), Hall
patent: 5196823 (1993-03-01), Formigoni

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