Loudspeaker and a method of producing the same

Details Loudspeaker and a method of producing the same Loudspeaker and a method of producing the same

1979-06-14

1981-06-09

Canney, Vincent P.

H04R 702

Patent

active

042726530

ABSTRACT:
A loudspeaker comprises a diaphragm including first and second layers and a core member sandwiched between the layers, in which the core member has an edge or peripheral surface aslant relative to the direction of thickness thereof; and a drive assembly, which includes a voice coil wound around a voice coil bobbin and which is connected to a node portion of the diaphragm when vibrated in its divided vibration mode. A support structure supports the diaphragm and the drive assembly, and includes a frame and an edge member secured to the frame, the edge member having a first portion corresponding to the slant of the edge surface of the diaphragm and which is adhesively connected thereto.

REFERENCES:
patent: 4122319 (1978-10-01), Matsuba et al.

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