High intensity discharge lamp with boost circuit

Details High intensity discharge lamp with boost circuit High intensity discharge lamp with boost circuit

2006-06-06

2006-06-06

Vo, Tuyet (Department: 2821)

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Silicon controlled rectifier ignition

C315S291000, C315S307000, C315S308000

Reexamination Certificate

active

07057356

ABSTRACT:
A circuit for operating a high intensity discharge (HID) lamp includes an H-bridge connected between a common terminal and a power line, and a control circuit connected to the H-bridge. A boost circuit is connected in parallel with the H-bridge between the power line and the common terminal, where the boost circuit includes a resistor, a Zener diode and a capacitor connected in series.

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patent: 2004/0251852 (2004-12-01), Kambara et al.

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