Strobe lamp warning apparatus

Details Strobe lamp warning apparatus Strobe lamp warning apparatus

1978-03-15

1980-04-29

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Condenser in shunt to the load device and the supply

315200A, 313485, 340331, 362293, H05B 4134

Patent

active

042008239

ABSTRACT:
A method and apparatus for causing a strobe-type lamp, i.e. gas discharge lamp, to produce readily discernible warning flashes. In a first embodiment, the light output of a strobe-lamp is partially absorbed by a fluorescent material and released shortly after absorption to produce a visible flash of lesser intensity but greater duration than that actually produced by the lamp. In a second embodiment, the strobe lamp is caused to flash a multiplicity of times at a rate sufficient to give the visible impression of a single continuous flash of long duration. A circuit for energizing the strobe lamp consumes power only while the strobe lamp is flashing, and remains deactuated when the lamp is not energized.

REFERENCES:
patent: 1275872 (1918-08-01), Dodds
patent: 3390304 (1968-06-01), Scott et al.
patent: 3465191 (1969-09-01), Ludloff
patent: 3846750 (1974-11-01), Kearsley
patent: 3895345 (1975-07-01), Elvers et al.
patent: 4103298 (1978-07-01), Redding

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