To improve efficiency and sound quality of a sound shaker in the sound shaker which shakes an automobile interior material and a construction interior material, etc. to function as a speaker and the speaker using the same.
The sound shaker of the present invention is constituted of suspension 5 consisting of an elastic material coupled to an aperture of a frame 9 and a vibrator 7 to which a voice coil 8 arranged in a magnetic gap of a magnetic circuit 1 coupled to the suspension 5 is coupled and an elastic body 10 press-contacted to the frame 9 and the vibrator 7 between them, shaking efficiency of the vibrator is raised, the efficiency and the sound quality of the sound shaker are improved by interposing the elastic body 10.
COPYRIGHT: (C)2008,JPO&INPIT
Hiroki Naito
Daisuke Nagano