Full range convex electrodynamic loudspeaker

Details Full range convex electrodynamic loudspeaker Full range convex electrodynamic loudspeaker

1994-08-18

1996-06-11

Kuntz, Curtis

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

381192, 381194, H04R 2500

Patent

active

055264417

ABSTRACT:
A convex electrodynamic loudspeaker having hemispherical sound emission characteristics and full range frequency response. It comprises a conical convex diaphragm and a voice coil form having a voice coil wound around its cylindrical end while its opposite conical end protrudes the central dome-shaped part of the convex diaphragm where both parts are cemented together. The voice coil form operates as a reciprocate motion member to the convex diaphragm efficiently even in the highest audio frequencies. The configuration of the convex diaphragm provides hemispherical characteristics of sound emission for overall the audio frequencies.

REFERENCES:
patent: 3456755 (1969-07-01), Walker
patent: 3720787 (1973-03-01), Ishii et al.
patent: 3925626 (1975-12-01), Stallings, Jr.
patent: 4472605 (1984-09-01), Klein
patent: 4584439 (1986-04-01), Paddock
patent: 4665550 (1987-05-01), Haas
patent: 4817165 (1989-03-01), Amalaha
patent: 4881265 (1989-11-01), Gala
patent: 5009281 (1991-04-01), Yokoyama

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