Actuator for flashing light

Details Actuator for flashing light Actuator for flashing light

1991-05-31

1992-11-17

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Discharge device and/or rectifier in the supply circuit

Flashers

315208, 315209R, 315215, H05B 3700

Patent

active

051646366

ABSTRACT:
The actuator is connected in series between the power supply and the flashing light. It includes a switch which is connected in series between the power supply and the flashing light so that when the switch is closed the light turns on and when the switch is open the light is turned off. A comparator controls the opening and closing of the switch at a frequency determined by an RC timer. Also, the duty cycle of the flashing light is controlled by the timer. A current overload protector lowers the duty cycle of the flashing light as the magnitude of the overload is increased and, in the event of a short circuit, decreases the duty cycle to approximately zero.

REFERENCES:
patent: 3493927 (1967-09-01), Effenberger
patent: 3870924 (1975-03-01), Helmuth
patent: 4156166 (1979-05-01), Shapiro
patent: 4160235 (1979-07-01), Krumrein
patent: 4173013 (1979-10-01), Spiteri
patent: 4876526 (1989-10-01), Spiteri

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