Loudspeaker

Details Loudspeaker Loudspeaker

1975-12-03

1977-06-21

Tomsky, Stephen J.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181159, H04R 900, G10K 1300

Patent

active

040313379

ABSTRACT:
A loudspeaker consisting of a driver or motor unit consisting of a cylindrical magnet structure, a voice coil and a domed diaphragm; an enclosure unit for receiving therein the driver or motor unit; and a horn unit attached mechanically to the opened end of the enclosure unit, the positioning or locating cylindrical section of the horn unit being snugly fitted into the enclosure unit. The assembly is much facilitated, and the driver or motor unit, the enclosure unit and the horn unit may be located and held in correctly mutually coaxially aligned relationship in a very simple manner. In one embodiment, a spring is loaded between the driver or motor unit and the enclosure unit so that the domed diaphragm may be restrained under the forces in excess of 1.5 kg/cm.sup.2 over which the lowest resonance frequency may be stabilized.

REFERENCES:
patent: 2194070 (1940-03-01), Giannini
patent: 2490227 (1949-12-01), Murkham
patent: 2858377 (1958-10-01), Levy
patent: 2957054 (1960-10-01), Levy et al.
patent: 3792526 (1974-02-01), Bremseth

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