Patent ID: 7672473

Claim:
A loudspeaker comprising: a diaphragm; a voice coil bobbin mounted on the diaphragm; a voice coil wound around the voice coil bobbin and disposed in a magnetic gap of a magnetic circuit, said voice coil receiving a voice signal to generate a vibration of said voice coil bobbin, which is then transmitted to said diaphragm to produce sounds; a lead wire of said voice coil fastened to a rear surface of said diaphragm, said lead wire being extended outwardly along the diaphragm; a frame for supporting the diaphragm, said frame being disposed so as to face against the rear surface of said diaphragm; and means provided on a bottom surface of said frame for preventing said diaphragm from being crushed from a front side thereof and preventing the lead wire from being broken due to deformation of the diaphragm.