Animal husbandry – Waste toilet or related device – Walled receptacle; e.g. – litter box – etc. – containing...
Patent
1985-06-07
1987-06-02
Chamblee, Hugh R.
Animal husbandry
Waste toilet or related device
Walled receptacle; e.g., litter box, etc., containing...
367139, A01K 2900, H04B 102
Patent
active
046694242
ABSTRACT:
Pests, such as fleas and ticks, are repelled from domestic animals, such as dogs and cats, by attaching an ultrasonic compressional wave energy source to the animal in such a position that a beam of the compressional wave energy is directed downwardly toward a surface on which the animal is located. Energy in the beam is reflected from the surface back to the animal. The energy has sufficient intensity, as reflected back to and incident on the animal, to repel the pests. The energy is pulsed on and off at a relatively low duty cycle at a rate above a predetermined minimum, such that during each pulse the envelope amplitude varies.
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Bianco Frank J.
Jimenez Oscar
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