AC controller with reverse blocking IGBT

AC current switch

AC power control apparatus

AC Power control circuit

AC power source controller

AC to AC power converter for electronic devices having...

AC to DC power converter with regulated bi-polar outputs

AC/DC two-wire control techniques

Actuation device for an electrical appliance

Adaptive bias current generator methods and apparatus

Adaptive voltage regulator

Adjustable current source

Adjustable regulated power device

Alterable DC power supply circuit

Alternating current power control circuit

Alternating current power controller with DC transistor switchin

Alternating polarity power supply control apparatus

Apparatus and method for controlling the supply of power to...

Apparatus for feeding alternate polarity pulses to a load

Apparatus having adjustable operational modes and method...