Direct current multiplier

Direct current power apparatus using capacitor

Direct current power circuit

Direct current power control on selectable voltage step-up and s

Direct current power supply

Direct current power supply circuit having automatic linear and

Direct current power supply using current amplitude modulation

Direct current power supply with a transistor chopper

Direct current power unit having main and secondary direct curre

Direct current stabilizing device

Direct current step-up circuit for use with battery powered...

Direct current supply source

Direct current transformer

Direct current voltage boosting/bucking device

Direct current voltage converter with switching regulator

Direct current voltage regulating circuitry

Direct current voltage transformer

Direct current voltage transformer

Direct load current sensing for predicted regulator tap position

Direct voltage/direct voltage converter