Patent ID: 8081791

Claim:
A loudspeaker comprising: a frame; a magnetic circuit supported by the frame; a voice coil body provided movably in relation to a magnetic gap provided at the magnetic circuit; a diaphragm having an inner rim and an outer rim, the outer rim being joined via a first edge to the frame, the inner rim being joined to the voice coil body; and a damper located towards the magnetic circuit from the diaphragm, the damper having an inner rim joined to the voice coil body, wherein the damper has an outer rim joined via a second edge to the frame, the second edge protrudes towards the diaphragm or in a direction opposite to the diaphragm, the damper includes a first protrusion protruding towards the diaphragm and a second protrusion protruding in a direction opposite to a direction in which the first protrusion protrudes, a protrusion out of the first protrusion and the second protrusion is closest to the second edge among the first protrusion and the second protrusion, a further protrusion out of the first protrusion and the second protrusion is located more inside than the protrusion and protrudes in a direction opposite to a direction in which the second edge protrudes, the further protrusion having a size larger than a size of any protrusion out of the first protrusion and the second protrusion other than the further protrusion.