Apparatus and method for extending useful life of barricade warn

Details Apparatus and method for extending useful life of barricade warn Apparatus and method for extending useful life of barricade warn

1996-12-31

1999-09-07

Bettendorf, Justin P.

Electric lamp and discharge devices: systems

Discharge device and/or rectifier in the supply circuit

Flashers

331179, H05B 3702

Patent

active

059491957

ABSTRACT:
The present disclosure is directed to an apparatus for extending useful life of barricade warning light. The apparatus comprises a light source; a battery having an output voltage; and an oscillator circuit connected to the battery. The oscillator circuit drives the light source in either a first or alternate mode, wherein the first mode the light source flashes within a desired flasher frequency range and the alternate mode the light source is continually illuminated. The oscillator biased such that the oscillator circuit automatically switches from the first mode into the alternate mode at an optimal value for the battery output voltage. A method for extending useful life of barricade warning light is also disclosed.

REFERENCES:
patent: 3130349 (1964-04-01), Mallory
patent: 3693110 (1972-09-01), Briggs, Jr. et al.
patent: 3778998 (1973-12-01), Berney
patent: 4156166 (1979-05-01), Shapiro et al.

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