| 摘要 |
PURPOSE: A speaker equipped with a B-damper and a flexible printed circuit board(FPCB) is provided to form a small sized speaker structure by a thin type FPCB to a thin type damper. CONSTITUTION: A B-damper(13) is located on the lower side of a vibrating plate(5). One end of the B-damper is attached on the external side of the vibrating plate. The other end of the B-damper is attached to a frame(4). A voice coil(7) is passed through the through hole of the B-damper. An FPCB(9) is installed on the lower side of the B-damper. The FPCB is in connection with the leader line of the voice coil. The voice coil is passed through the through hole of the FPCB. The vice coil is attached to the vibrating plate through the FPCB and the B-damper. The FPCB is fixed to the frame. |
