Soft switching DC-DC converter including a buck converter...

Soft switching power converter comprising means for correcting t

Soft-switching power converter

Soft-switching power converter for operation in discrete pulse m

Soft-switching power converter having power saving circuit...

Soft-switching PWM converters

Solar array inverter with maximum power tracking

Solar array inverter with maximum power tracking

Solar array inverter with maximum power tracking

Solar power generating device

Speed-up circuit for switched power transistor

Square wave converter having an improved zero voltage switching

Stabilizing power supply apparatus

Start circuit for a power supply control integrated circuit

Static convertor plant

Static energy regulator for lighting networks with control of th

Static inverter

Static inverter employing an assymetrically energized inductor

Static semi-conductor electrical energy converter apparatus

Static semi-conductor electrical energy converter assembly