Peak power pulse energizing circuit for a light emitting...

Electric heating – Heating devices – With power supply and voltage or current regulation or...

Reexamination Certificate

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C219S494000, C219S502000, C043S017600

Reexamination Certificate

active

07825354

ABSTRACT:
An array of light emitting diodes (LEDs) located in or on an article for attracting attention are energized over respective time increments of a predetermined duty cycle with peak power pulses having an amplitude substantially equal to their rated forward voltage VFand a current no larger than their rated maximum current IMAX.

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patent: 2005/0168965 (2005-08-01), Yoshida

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