VIBRATION GENERATOR

PROBLEM TO BE SOLVED: To provide a vibration generator which does not make noise as for as possible when vibration is generated. SOLUTION: A moving magnet 20 is arranged movably inside the passage 11 of a box 10. Also, stationary magnets 40, 41 which give a repulsive force to the moving magnet 20 are arranged at both ends of the passage 11, and coils 30, 31 which give thrust to the moving magnet 20 by current conduction are provided on the circumferential surface of the box 10. In this structure, the stationary magnets 40, 41 are placed at the positions where the central axis Z of each magnet is dislocated by the same distance (x) in the same direction from the central axis X of the passage 11.