Magnetically controlled variable transformer

Manual control means for controlling the movements of a motor-dr

Means and method for controlling elecrical transformer voltage r

Method and a system for producing a power supply voltage for...

Method and apparatus for branching a single wire power...

Method and apparatus for energizing an electrostatic precipitato

Method and apparatus for power control by frequency spreading

Method and apparatus for regulating voltage in a remote device

Method and apparatus including low loss DC/DC converter

Method and apparatus to automatically select operating voltages

Method and system for controlling output current of a large, low

Method and system for providing voltage

Method and system for providing voltage

Method for accurately setting parameters inside integrated...

Method for adjusting an electronic circuit

Method for controlling the dissipation of an electric signal...

Method for low-transient power control of electrical loads and e

Methods and apparatus to predictably change the output...

Methods of and apparatus for generating reference voltages

Mixed mode power regulator circuitry for memory elements