Supersonic sound emission device

Details Supersonic sound emission device Supersonic sound emission device

1991-07-31

1993-05-25

Eldred, J. Woodrow

Communications, electrical: acoustic wave systems and devices

Transmitter systems

Animal control

367140, 310334, 116 22A, H04B 102

Patent

active

052146197

ABSTRACT:
A supersonic sound emitting device consisting of a power source, a supersonic wave signal generator supplied with a power from the power source and for generating a supersonic wave signal and a supersonic sound emitter supplied with the supersonic wave signal from the supersonic wave signal generator and for emitting a supersonic sound, wherein the power source has a solar battery, a secondary battery charged by the solar battery, and an on-off switcher for making the secondary battery on and off.

REFERENCES:
patent: 4566085 (1986-01-01), Weinberg
patent: 4656770 (1987-04-01), Nuttle
patent: 4730190 (1988-03-01), Win et al.
patent: 4882525 (1989-11-01), DeMealenaer et al.
patent: 4905270 (1990-02-01), Ono
patent: 4965552 (1990-10-01), Price et al.
patent: 4999818 (1991-03-01), Malleolo

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