Patent ID: 7043045
Filing Date: 2006-05-09
Classification: H04R

Abstract:
1. A speaker comprising: a diaphragm; a frame-cover disposed over the diaphragm; and a frame placed underneath the diaphragm and the frame-cover, and having a support portion supporting supporting points of the diaphragm and the frame-cover, said supporting point of the diaphragm being provided at an outer periphery of the diaphragm and being in level to a radial direction of the diaphragm, whereby the supporting point of the diaphragm is disposed in between the supporting point of the frame-cover and the support portion of the frame; and whereby said frame includes a convex portion against the diaphragm extending around an outer periphery of the frame, said diaphragm includes a slope extending at an angle from the outer periphery of the diaphragm toward the frame having an inner side surface alongside an outer side surface of the convex portion of the frame; and said diaphragm includes a locking portion projecting at an angle from said slope towards said frame-cover to abut said frame-cover; wherein the inner side surface faces a central axis of the speaker and the outer side surface faces away from the central axis of the speaker.