PORTABLE TELEPHONE BUZZER

摘要

The invention concerns a device generating vibrations noticeable by the human body (in particular a portable telephone or portable telecommunication equipment), comprising an unbalanced rotary member (3). The invention is characterised in that said unbalanced rotary member is driven by a brushless single-phase motor comprising a rotor (1) having at least a magnetic pole, and a stator (2) having at least two poles alternately powered by at least an electric coil (16, 17) controlled by means sensing the position of the rotor.