Shallow speaker

Details Shallow speaker Shallow speaker

2008-02-13

2008-10-07

Ensey, Brian (Department: 2615)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

C381S423000

Reexamination Certificate

active

07433485

ABSTRACT:
A novel shallow speaker has a novel spidercone coaxial with and optionally having a radially inner spidercone flange suspended in a circumferential adhesive well affixed to the former. An inner rearward flange of the flat annular diaphragm is suspended in the circumferential adhesive well and the well is filled with epoxy. The spidercone has a frustroconical portion having a minimum radius smaller than the maximum magnet assembly radius and a maximum radius greater than the maximum magnet assembly radius. The spidercone has a spider portion integral with the larger end of the frustroconical portion and attachable to the basket by a tangential flange. The tinsel is interwoven with the spidercone in a way that reduces the risk of breaking and shorting. The diaphragm is substantially flat and coplanar with the top edge of the narrow surround when at rest.

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