Actuation device for an electrical appliance

Adjustable regulated power device

Alterable DC power supply circuit

Attenuator circuit

Automatic incrementing attenuation arrangement

Bidirectional RF switch matrix module apparatus

Cascaded resistance ladder attenuator network

Circuit for providing a controlled resistance

Circuit for weighted addition

Circuit resistance adjusting device

Compensation of a high voltage attenuator

Current limiting method and apparatus

Decorative wall plate switch dimmer mechanism

Digitally controlled monotonic attenuator

Dry type load resistor for testing generators or the like

Electronic attenuator apparatus

Electronic device for smoothing a charge current peak in RLC out

Electronic impedance device for providing a variable impedance

Electronic volume controller

Focusing voltage adjusting circuit and flyback transformer insta