Patent ID: 6490363
Filing Date: 2002-12-03
Classification: H04R

Abstract:
A speaker structure comprising:a) an annular iron having a bottom and an edge portion, the annular iron having a U-shaped cross-sectional configuration; b) a support seat mounted on the edge portion of the annular iron and extending outwardly therefrom; c) a magnet mounted on the bottom of the annular iron and having a washer thereon spaced from the annular iron so as to form a gap therebetween; d) an annular sound ring having open first and second ends, the first end located in the gap between the washer and the annular iron; e) a concavely curved diaphragm attached to and extending across the second end of the annular sound ring so as to close the second end; f) an O-ring located on the support seat adjacent to the second end of the annular sound ring; and, g) a dual suspension edge connecting the second end of the annular sound ring to the O-ring, the dual suspension edge having two oppositely facing, spaced apart, concavely curved surfaces, each concavely curved surface connected to the O-ring and to the annular sound ring.