Automatic polarity conversion circuit

Bipolar voltage to frequency converter

Bridge driver circuit for a DC electric motor

Capacitively coupled power supply

Circuit arrangement for determining the load current in a revers

Circuit arrangement for determining the polarity and magnitude o

Circuitry for voltage pole reversal

Commutation detection apparatus and method

Converter circuit for generating direct current with selectable

Current flow reversing circuit

DC power supply having bipolar outputs

DC to DC converter

Digital current regulator circuit for control of bidirectional c

Direct current power unit

Dual voltage power supply having equally split voltage levels

Electrical apparatus with reverse audible alarm

Fail-safe amplifier power supply

Four quadrant unipolar pulse width modulated inverter

H-bridge circuit with protection against crossover conduction

High voltage bipolar CT scanner power supply