DEVICE FOR DRIVING VIBRATION SOURCE

摘要

A vibration source driving device comprises a sound source 10 for generating musical tone signals, a DC motor 24 as a vibration source for generating vibration, a low-pass filter (LPF) 16 as a signal extraction means for extracting low-frequency components from the musical tone signals output from the sound source 10, a detection circuit 18 for detecting the output signal of the low-pass filter 16, a rectifier circuit 20 for rectifying the detection output of the detection circuit 18, and an amplifier for driving the vibration source based on the low-frequency components of the musical tone signals that are extracted by the low-pass filter 16.