Speaker and speaker system employing the same

Details Speaker and speaker system employing the same Speaker and speaker system employing the same

1993-02-19

1994-12-06

Kuntz, Curtis

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having electrostatic element

381193, 381202, 381203, 381204, 181171, 181172, 181173, H04R 2500, G10K 1300

Patent

active

053718054

ABSTRACT:
A speaker has an edge member which includes a plurality of peripheral pieces and a plurality of connecting portions for connecting neighboring ones of the pieces. The neighboring ones of the pieces have cross-sectional shapes symmetric with respect to each other in an axial direction of the edge member. Each of the connecting portions has a cross-sectional shape that changes gradually and continuously. A diaphragm which is secured to an inner periphery or an outer periphery of the edge member, and a frame is secured to an outer periphery or an inner periphery of the edge member.

REFERENCES:
patent: 1732351 (1929-10-01), Borkman
patent: 1930328 (1933-10-01), Tichenor et al.
patent: 4122314 (1978-10-01), Matsuda et al.
patent: 4228327 (1980-10-01), Sawafuji
patent: 4639283 (1987-01-01), Nakamura
patent: 4699242 (1987-10-01), Ono

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