Patent ID: 8265331

Claim:
An earpiece for communications, comprising: a frame; a vibration system disposed in the frame, the vibration system including a vibrating armature, a diaphragm and a connecting rod, wherein the vibrating armature comprises a stationary portion and an extending portion, the stationary portion being connected to the frame, one end of the extending portion being connected to the stationary portion to form an arc portion and the other end of the extending portion being capable of moving about the arc portion; and a magnetic field system disposed in the frame, the magnetic field system including a magnet to generate a first magnetic field on a first axis and a coil to generate a second magnetic field on a second axis, one of the magnet and the coil being connected to the frame, the first and the second magnetic fields producing a net magnetic force to cause the vibration system to move, wherein the first axis is parallel to the second axis, wherein one of the coil and the magnet is connected to the frame through the stationary portion, the other one of the coil and the magnet is connected to the extending portion.