Loudspeaker driver surrounding

Details Loudspeaker driver surrounding Loudspeaker driver surrounding

1993-05-28

1995-05-23

Gellner, M. E.

Acoustics

Diaphragm

Mounting or suspension means

181173, G10K 1300

Patent

active

054183375

ABSTRACT:
A loudspeaker diaphragm has a surround comprising vibratile material extending between an inner circle and an outer circle. The material has a thin compliant roll near the outer circle and an outer circular bead inside of and near the thin compliant roll. An inner ridge having both radial and tangential components extends between the inner circle and the outer circular bead. The width of the outer circular bead and the inner ridge is significantly less than the diameter of the outer circle. The attachment area between the cone body and the surround covers a substantial area of the cone body.

REFERENCES:
patent: 01630008 (1927-05-01), Hopkins
patent: 2860721 (1958-11-01), Hassan
patent: 3072213 (1963-01-01), Petrie
patent: 3285364 (1966-11-01), Cohen
patent: 4100992 (1978-07-01), Rehde et al.
European Search Report on Application No. 94303190.6 dated Sep. 19, 1994.

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