A dissuader (1) for animals (1a) is envisaged comprising: an emitter (2) of a sound emission to fend off animals (1a); the sound emission comprises a main sound wave comprising a first emission period at a first frequency; a second emission period at a frequency variable from the first to a second frequency; a third emission period at said second frequency; a fourth emission period at a frequency variable from the second frequency to the first frequency.
A DISSUADER FOR ANIMALS
Stefano GIORDANO
2017-01-01
Abstract
A dissuader (1) for animals (1a) is envisaged comprising: an emitter (2) of a sound emission to fend off animals (1a); the sound emission comprises a main sound wave comprising a first emission period at a first frequency; a second emission period at a frequency variable from the first to a second frequency; a third emission period at said second frequency; a fourth emission period at a frequency variable from the second frequency to the first frequency.File in questo prodotto:
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