Vibration generator having swing unit, frame and elastic member
A vibrator includes a frame, a swing unit, and an elastic member. The swing unit is disposed within the frame and holds a magnet. The elastic member connects the swing unit and the frame. The swing unit is movable with respect to the frame while deforming the elastic member. The frame, the swing unit, and the elastic member are integrally molded with each other.
1. A vibrator generator comprising:
a top plate;
a bottom plate;
a frame including an annular shape, the frame covered by the top plate and by the bottom plate;
a swing unit including a plate shape;
a coil disposed at the bottom plate; and
an elastic member connecting the swing unit and the frame,
wherein:
the swing unit faces to the coil in a direction from the bottom plate to the top plate,
the swing unit includes a first weight and a second weight and a magnetic body arranged between the first weight and the second weight,
an outer circumferential surface of the first weight and an outer circumferential surface of the second weight are attached to an outer circumferential surface of the magnetic body in a swing direction of the swing unit,
the first weight and the second weight hold the magnetic body in the swing direction of the swing unit,
a whole of the first weight and a whole of the second weight are separated in the swing direction of the swing unit, and
the elastic member is joined to an outer circumferential surface of the first weight or an outer circumferential surface of the second weight.
2. The vibrator generator according to claim 1 , comprising:
a coil having a flat plated shape.
3. The vibrator generator according to claim 1 , a plurality of elastic members having the elastic member, wherein
the plurality of elastic members are connected to the first weight and to the second weight.