Low-output microwave, lighting system and flicker removing...

Details Low-output microwave, lighting system and flicker removing... Low-output microwave, lighting system and flicker removing...

2006-04-11

2006-04-11

Vo, Tuyet Thi (Department: 2821)

Electric heating

Microwave heating

With control system

C219S716000, C219S718000, C315S039510

Reexamination Certificate

active

07026590

ABSTRACT:
A low-output microwave lighting system includes: a rectifier for rectifying general AC power inputted through a power source unit and outputting a DC voltage; a power factor compensator for compensating a power factor of the DC voltage inputted through the rectifier; and an inverter circuit unit for receiving the power factor-compensated DC voltage and outputting an AC voltage through frequency varying. 120 Hz of ripple generated at a low output can be reduce, and it is driven at a frequency of 20 KHz or higher, so that a flicker phenomenon does not occur and a volume and weight in facility can be reduced.

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patent: 0474315 (1992-03-01), None
patent: 0583841 (1994-02-01), None
patent: WO 98/11655 (1998-03-01), None

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