Apparatus for end-of-life detection of fluorescent lamps

Apparatus for end-of-life detection of fluorescent lamps

Apparatus for improving the efficiency of a lighting element

Apparatus for lighting a discharge lamp at electric...

Apparatus for lighting alternating current discharge lamp

Apparatus for limiting arc discharge current in incandescent lam

Apparatus for limiting surge currents in dc-illuminated incandes

Apparatus for operating discharge lamps

Apparatus for providing a nonlinear output in response to a line

Applications of halogen convertor control IC

Arc discharge ballast suitable for automotive applications

Arc interrupting lamp ballast

Arc lamp power supply

Arc lamp power supply

Arc maintenance device for high density discharge lamps...

Arrangement for determining the state of a high-pressure gas...

Automatic dimmer cutout for arc lamp of fiber optic light source

Automatic light dimmer for gas discharge lamps

Automatic light dimmer for gas discharge lamps

Automatic momentary secondary light source assembly