Electric lamp and discharge devices: systems – Current and/or voltage regulation
Reexamination Certificate
2011-06-14
2011-06-14
Patel, Rajnikant B (Department: 2838)
Electric lamp and discharge devices: systems
Current and/or voltage regulation
C315S086000, C327S514000
Reexamination Certificate
active
07960920
ABSTRACT:
A battery operated LED lighting apparatus including: a battery outputting a battery voltage; a light emitting diode or array of light emitting diodes; and a power supply including a boost regulating circuit. The power supply being in communication with the battery and the light emitting diodes such that a constant voltage or constant current is supplied to the light emitting diodes as the battery discharges and the battery voltage falls below the output voltage. In a preferred embodiment the power supply further includes a buck regulator to maintain the proper output voltage when the battery voltage is greater than the output voltage.
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Baxter Kevin C.
Fisher Ken S.
Holmes Fred H.
Irell & Manella LLP
Patel Rajnikant B
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