Electronic flea repelling device with means for carrying collar

Details Electronic flea repelling device with means for carrying collar Electronic flea repelling device with means for carrying collar

1987-03-30

1988-06-07

Swiatek, Robert P.

Animal husbandry

Waste toilet or related device

Walled receptacle; e.g., litter box, etc., containing...

367139, A01K 2900, H04B 102

Patent

active

047489383

ABSTRACT:
Fleas are repelled from a four-legged animal by compressional waves derived from an electric-compressional wave transducer driven by electronic circuitry powered by a battery. The battery, circuitry and transducer are mounted in a housing carried by a collar around the neck of the animal. The housing includes a first face having an aperture covered by a dust screen. A face of the transducer positioned behind the dust screen radiates compressional wave energy through the dust screen that is reflected from the ground beneath the animal back to the underneath portions of the animal. The duty cycle and frequency of ultrasonic pulses derived by the transducer cause the fleas to be repelled. A second face, opposite from the first face, abuts against the body of the animal and carries a frangible, spring-like plate having a pair of slots through which the collar extends. The plate spring properties and the frictional force of the strap in the slots maintain the housing in situ on the neck of the animal, so the compressional waves are directed to the ground. If the animal becomes trapped by the housing, the plate breaks between the slot and an edge of the plate in response to the animal tugging on the trapping agent to enable the animal to escape.

REFERENCES:
patent: 2449882 (1948-09-01), Daniels
patent: 4484316 (1984-11-01), Nakagawa
patent: 4612719 (1986-09-01), de Jong
patent: 4669424 (1987-06-01), Bianco et al.

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