Electronic power protection circuit and applications thereof

Details Electronic power protection circuit and applications thereof Electronic power protection circuit and applications thereof

2007-01-12

2009-10-06

Owens, Douglas W (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S307000, C363S021010, C363S050000, C363S074000

Reexamination Certificate

active

07598680

ABSTRACT:
An electric power protection circuit connected in series to a secondary side circuit of a transformer in a switch mode power supply includes a voltage/current limiting device to get an electric power signal output from the secondary side circuit of the transformer that goes through current and voltage limitation before being output and a constant current/voltage controller to get the electric power signal which has the current and voltage limited by the voltage/current limiting device. The electric power signal further is undergone constant voltage/current control to achieve voltage overshoot protection.

REFERENCES:
patent: 4037271 (1977-07-01), Keller
patent: 4047235 (1977-09-01), Davis
patent: 5952793 (1999-09-01), Nishi et al.
patent: 7088598 (2006-08-01), Yang et al.
patent: 7099163 (2006-08-01), Ying
patent: 7221128 (2007-05-01), Usui et al.

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