Flasher controller

Details Flasher controller Flasher controller

1977-06-23

1979-05-15

Yusko, Donald J.

Communications: electrical

Selective

Having indication or alarm

340 73, 340 76, 315 82, B60Q 146

Patent

active

041550692

ABSTRACT:
A flasher controller comprised of two integrating circuits, one functioning as a pulse width modulator and the other as a free running 50% duty cycle oscillator which in combination drive on a selective basis the base of one of two transistors in accordance with a pulsed voltage of predetermined frequency: the emitter of one transistor and the collector of the other are each connected to energize the solenoid of the power relay connected in series in a pre-existing automotive lamp circuit and thereby alternately open and close that circuit in accordance with the said pulsed voltage.

REFERENCES:
patent: 3319073 (1967-05-01), Wrin
patent: 3555507 (1971-01-01), Burson, Jr.
patent: 3767966 (1973-10-01), Bell
patent: 3829828 (1974-08-01), Hutchinson et al.
patent: 3881128 (1975-04-01), Douglas et al.

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