Audible warning device for motor vehicles

Details Audible warning device for motor vehicles Audible warning device for motor vehicles

1980-12-11

1983-05-10

Caldwell, Sr., John W.

Communications: electrical

Audible indication

Ultrasonic pest control

340384E, G08B 300

Patent

active

043832490

ABSTRACT:
An audible warning device which can be fitted indiscriminately to motor vehicles, and is controlled by a push-button switch in a current supply cable or ground conductor of the device, the latter having in both cases similar electrical connections which are few in number. The audible warning device comprises at least one horn which is connected between the current supply cable and the ground conductor and is operated by a control signal, a control unit which is connected to the push-button switch to generate the control signal when the button is pressed, and a voltage regulator which is connected between the current supply cable and the ground conductor and has an output, connected to the control unit, which has a predetermined voltage different from the voltage of the current supply.

REFERENCES:
patent: 2892181 (1959-06-01), Benson et al.
patent: 3341816 (1967-09-01), Davis et al.

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