Power source inverter circuit

Details Power source inverter circuit Power source inverter circuit

2005-04-12

2005-04-12

Sterrett, Jeffrey (Department: 2838)

Electric power conversion systems

Current conversion

With voltage multiplication means

C363S062000

Reexamination Certificate

active

06879502

ABSTRACT:
A power source inverter circuit is provided which, when a feeding unit generates enough electric power, puts a load circuit into operation while storing electric power in a storage unit and, when the power feeding unit stops generating power, efficiently uses up the electric power stored in the storage unit. The power source inverter circuit is composed of: a variable DC—DC converter for raising or dropping a voltage of electric power that is supplied from the power feeding unit; the storage unit; MOSFET switches for connecting the power feeding unit and the storage unit to an input of the variable DC—DC converter and for connecting an output of the variable DC—DC converter to the storage unit and the load circuit; a control circuit for controlling gates of the MOSFET switches; and a voltage detector for monitoring output of the power feeding unit, the voltage of the storage unit, the input voltage of the load circuit, and for outputting voltage information to the variable DC—DC converter as well as to the control circuit.

REFERENCES:
patent: 5581454 (1996-12-01), Collins
patent: 5656870 (1997-08-01), Turnbull
patent: 5973944 (1999-10-01), Nork
patent: 6522558 (2003-02-01), Henry

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