Patent ID: 8290201
Filing Date: 2012-10-16
Classification: H04R

Abstract:
1. A speaker comprising: a magnetic circuit of an internal magnet type, said magnetic circuit comprising a yoke, a magnet, and a pole piece; a vibration system having a voice coil and diaphragm that are joined to each other through a voice coil bobbin; and a frame that holds said magnetic circuit and said vibration system, and said voice coil being placed in a magnetic gap, wherein a damper having an inner end portion and an outer end portion and being disposed between said voice coil bobbin and said magnet, said inner end portion being coupled to the magnet and said outer end portion being coupled to the voice coil bobbin so as to loin the voice coil bobbin to the magnet, and wherein said damper supports said vibration system in a manner that said vibration system is vibratable and allowing vertical vibration of the vibration system with respect to said magnet; and, said damper joins an end portion of said voice coil bobbin that is opposite to said diaphragm, to said magnet.