Patent ID: 9059623
Filing Date: 2015-06-16
Classification: B06B,H02K

Abstract:
1. A linear vibrator, comprising: a fixing part including a case having an internal space and a bracket coupled to the case to seal the internal space; at least one magnet disposed in the internal space to generate magnetic force; a vibration part including a coil disposed to face the magnet, and a mass body moving up and down with the coil, the coil having an inner diameter greater than an outer diameter of the magnet to form a gap between an inner surface of the coil and an outer surface of the magnet; an elastic member having one end coupled to the fixing part and the other end being vibrated up and down; and a substrate having one end coupled to the fixing part and the other end being vibrated up and down when the mass body and the coil are vibrated up and down, the substrate having a curved portion disposed outside of the magnet to transfer electrical signals to the coil, the substrate including an electrode pad formed on a surface thereof configured to be electrically connected to one end of a lead wire of the coil, wherein the substrate includes a moving portion coupled to the mass body and a fixing portion protruded to the outside of the case and coupled to the fixing part, and wherein the substrate includes a through hole through which the magnet is allowed to pass, and wherein the through hole is formed to be greater than the outer diameter of the magnet.