Self-excited inverter driving circuit

Details Self-excited inverter driving circuit Self-excited inverter driving circuit

2011-04-19

2011-04-19

Vu, David Hung (Department: 2821)

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Periodic switch in the primary circuit of the supply...

C315S276000, C315S307000, C315S308000

Reexamination Certificate

active

07928661

ABSTRACT:
To provide a low-cost self-excited inverter driving circuit exhibiting an excellent operational efficiency. A main inverter section is so constructed that a part of output signals is fed back by a resonance loop circuit to cause a self-excited oscillation to occur in the vicinity of a resonance frequency decided by leakage inductors and capacitors on the secondary side of a high voltage transformer, thereby performing an inverter operation. It is further arranged that a halt interval setting signal, which is generated by a triangular wave forming circuit and a control section, is applied to the main inverter section, thereby halting the inverter operation in accordance with the halt interval setting signal.

REFERENCES:
patent: 2004/0239260 (2004-12-01), Nakano
patent: U 05-072096 (1993-09-01), None
patent: U 06-074089 (1994-10-01), None
patent: A 08-033353 (1996-02-01), None
patent: A 2002-175891 (2002-06-01), None
patent: A 2004-350444 (2004-12-01), None

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