Hans Steinbusch

Method of controlling a circuit arrangement for the ac power supply of a plasma display panel

Electromechanical device, coil configuration for the electomechanical device, and information storage and/or reproduction apparatus including such a device

Domestic electric appliance

Piezoelectric drive device for electric shaver, has drive circuit that specifies stimulation voltage amplitude so that effective electrical power taken up does not decrease with increasing load

Piezoelectric driving device and a regulation method for a piezoelectric driving device

Circuit arrangement for powering an electric motor

DC motor with electronic commutation circuit

Gleichstrommotor mit elektronischer kommutierungsschaltung

Starting-process controller for starting a piezomotor

Piezoelectric driving device and method for controlling the same