Patent ID: 8680722
Filing Date: 2014-03-25
Classification: B06B,H02K

Abstract:
1. A linear vibrator, comprising: a stator including a circuit substrate formed at a bottom surface with a connection terminal and a coil block arranged at an upper surface opposite to the bottom surface and electrically connected to the connection terminal; a first cover arranged at the bottom surface of the circuit substrate and formed with an opening for exposing the connection terminal; a second cover coupled to the first cover in a bottom-opened cylindrical shape; and a vibrator including a magnet arranged inside the coil block, a yoke in which the magnet is mounted, and an elastic member coupled to the yoke and the second cover to vertically vibrate the magnet relative to the coil block, wherein the opening of the first cover includes a first opening and a second opening discrete from the first opening, and wherein the circuit substrate opposite to the first opening is arranged with a first connection terminal electrically connected to the coil block, and the circuit substrate opposite to the second opening is arranged with a second connection terminal electrically connected to the coil block.