Metal halide lamp control device with linear control power...

Details Metal halide lamp control device with linear control power... Metal halide lamp control device with linear control power...

2005-12-06

2005-12-06

Dinh, Trinh Vo (Department: 2821)

Electric lamp and discharge devices: systems

Special application

C315S077000, C315S291000, C315S307000

Reexamination Certificate

active

06972523

ABSTRACT:
A metal halide lamp control device with linear control power transducer, having application in an automobile lamp provided with metal halide lamp illumination. A linear control power transducer is utilized to replace a traditional digital control power transducer. The control device includes at least an integrated circuit of the power transducer, wherein the integrated circuit embodies a plurality of control devices and a power supply unit; a starting circuit and the integrated circuit serially acquire power supply to actuate the metal halide lamp; a power regulating circuit which maintains a stable power feedback; and a temperature detector unit which protects against temperature exceeding a specified temperature.

REFERENCES:
patent: 5910713 (1999-06-01), Nishi et al.
patent: 5952793 (1999-09-01), Nishi et al.

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