Ultrasonic device for scaring animals from a moving vehicle

Details Ultrasonic device for scaring animals from a moving vehicle Ultrasonic device for scaring animals from a moving vehicle

1977-11-07

1979-04-24

Yasich, Daniel M.

Signals and indicators

Vehicle

Vehicle-energy actuated

180 1R, 280727, 296 1R, B60Q 500

Patent

active

041506375

ABSTRACT:
An air scoop is positioned to receive and compress air in response to movement of a vehicle or its radiator-cooling fan. The compressed air is conducted to a whistle for producing sound at a frequency somewhat above human hearing range. The whistle is preferably provided with a dished reflector for forwardly beaming the sound. The reflector can optionally also be the air scoop.

REFERENCES:
patent: 1342584 (1920-06-01), Bull
patent: 1796826 (1931-03-01), Buckert
patent: 2238668 (1941-04-01), Wellenstein
patent: 2245484 (1941-06-01), Leavens
patent: 2570081 (1951-10-01), Szczeniowski
patent: 3156212 (1964-11-01), Buell, Jr.
patent: 3157153 (1964-11-01), Moe
patent: 3169507 (1965-02-01), Rich
patent: 3276420 (1966-10-01), Fresolone, Sr.
patent: 3695679 (1972-10-01), Wilfert
patent: 3972494 (1976-08-01), Drews

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