Patent ID: 7171015
Filing Date: 2007-01-30
Classification: H04R

Abstract:
1. A speaker apparatus comprising: a cone diaphragm; a frame having the cone diaphragm convexly attached thereo; a bobbin attached to a top of the cone diaphragm; a voice coil attached to the bobbin; a magnetic circuit attached to the frame; and a damper for suspending the bobbin, wherein the damper includes: a damping portion positioned orthogonally to the bobbin in an inactivity period of the speaker apparatus; a first leg portion extending forward along a vibration direction of the bobbin from an inner periphery end of the damping portion; and a second leg portion extending backward along the vibration direction of the bobbin from an outer periphery end of the damping portion; and wherein the first and second leg portions have substantially the same length.