| 摘要 |
PROBLEM TO BE SOLVED: To provide an easily-assembleable vibration generator having high impact resistance and low production cost.SOLUTION: A vibration generator 1 has a frame 20, four coils 40 (40a, 40b, 40c, 40d) and a holder 50. The holder 50 has four columnar bodies 51 (51a, 51b, 51c, 51d) fixed to the frame 20, four arm parts 53 (53a, 53b, 53c, 53d) and one oscillator holding part 55. The holding part 55 holds a planar oscillator 80 constituted of a magnet 60 and a yoke 70. Each arm part 53 connects each columnar body 51 to the oscillator holding part 55, and the oscillator 80 is supported displaceably to the columnar body 51. Each coil 40 is arranged so as to face the oscillator 80. The oscillator 80 can move at least in a parallel direction and a vertical direction to the horizontal plane accompanying magnetization of each coil 40. |
