Patent ID: 8030801

Claim:
A multi-voltage A.C. and D.C. power supply comprising: a power supply module having an A.C. power input, at least one A.C. power output, at least one D.C. power output, and having an incoming power output selection signal; a sine wave synthesizer within said module having a D.C. power input, a synthesized A.C. power output, and having as input one or more sine wave synthesizing control signals; a first connection between the module's A.C. power input and the synthesizer's D.C. power input, said first connection comprising a first rectifier; a second connection between the synthesizer's A.C. power output and the module's A.C. power output; a third connection between the synthesizer's A.C. power output and the module's D.C. power output, said third connection comprising a second rectifier; and a control system receiving measurements of voltages at the module's A.C. and D.C. power outputs and also receiving the module's A.C. or D.C. power output selection signal, the control system generating the sine wave synthesizing control signals and adjusting them to regulate whichever output signal, A.C. or D.C., is selected by the selection signal so that selected output signal is maintained at a predetermined A.C. or D.C. preset voltage level.