Electronic high intensity discharge lamp driver

Details Electronic high intensity discharge lamp driver Electronic high intensity discharge lamp driver

2007-11-06

2007-11-06

Tran, Thuy Vinh (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S20000A, C315S247000, C315S360000

Reexamination Certificate

active

11197883

ABSTRACT:
A high intensity discharge (HID) driver for a HID lamp which can be used as a HID ballast is provided. The HID driver at least includes an input processor connected to an input power for suppressing a transient and in in-rush current of the input power, a main driver connected to the input processor and a HID lamp for driving and amplifying the input power; and a protection circuit connected to the main driver and the HID lamp for controlling a timing of starting after a failure condition. Moreover, the HID driver can further includes a timing circuit connected to the main driver for controlling a timing, and a starting circuit connected to the timing circuit and the HID lamp for starting the HID lamp. The HID driver can be applied to a high pressure sodium (HPS) lamp or a halide lamp (HML).

REFERENCES:
patent: 4672300 (1987-06-01), Harper
patent: 5327048 (1994-07-01), Troy
patent: 5532894 (1996-07-01), Sweaton

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