| 摘要 |
The present invention relates to a sound conversion device, and more specifically, to a sound conversion device using a magnetic field generated by converting electrical energy into magnetic energy. The sound conversion device according to the present invention comprises: a first energy conversion unit which receives a direct-current voltage and forms a magnetic force in an upward or downward direction within a predetermined space; a second energy conversion unit which is disposed in the predetermined space, receives a voice signal, and forms a magnetic force; and a vibrating plate which is attached to the second energy conversion unit and vibrates according to a motion of the second energy conversion unit. |
