Battery-powered fluorescent lamp

Details Battery-powered fluorescent lamp Battery-powered fluorescent lamp

2011-04-12

2011-04-12

Choi, Jacob Y (Department: 2821)

Electric lamp and discharge devices: systems

With automatic shunt and/or cutout

C315S224000, C362S183000

Reexamination Certificate

active

07923934

ABSTRACT:
A lamp includes a light source, a power tool battery for providing a DC voltage level, and a base for housing the power tool battery. A stem is coupled to the base and supports the light source. A power inverter converts the DC voltage level to an AC voltage level, and a current sensing circuit operatively coupled to the converter or the inverter senses an over-current condition when the converter or the inverter draws more than a predetermined amount of current. The converter or inverter is disabled if the over-current condition continues for more than a predetermined amount of time so that the light source receives the AC voltage level and is illuminated for the predetermined amount of time before power is removed.

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