Patent ID: 7010142

Claim:
An electrical acoustic converter, comprising: a base cover; an electromagnetic sound-generating part having a diaphragm which is disposed to extend in a radial direction of said base cover and which is attached to said base cover; a pair of coil contact springs provided on said base cover for connecting said electromagnetic sound-generating part with an outside power source; and a pair of connecting pieces provided outside said base cover for electrically connecting said coil contact springs with said electromagnetic sound-generating part, said electromagnetic sound-generating part including a drive part which has an exciting coil and causes the diaphragm to vibrate, said exciting coil having lead wires, said coil contact springs being contained in housings provided on outside portions of the base cover and within an outer peripheral edge of the diaphragm in plan view, each of the coil contact springs having one end formed to extend horizontally, and an end of each of the lead wires extending from the exciting coil along the diaphragm and around an outside end of the base cover, and said horizontally extending end of each coil contact spring and the end of each of the lead wires extending from the exciting coil being electrically connected at each of said connecting pieces.