Water-proof speaker unit

Details Water-proof speaker unit Water-proof speaker unit

1988-12-06

1991-04-16

Isen, Forester W.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having electrostatic element

381202, H04R 2500

Patent

active

050089455

ABSTRACT:
In a speaker unit having a voice coil bobbin, a diaphragm and a damper, the voice coil bobbin is integrally molded with at least one of the damper and diaphragm. The voice coil may be molded into the voice coil bobbin, and the brocade lead wires from the voice coil may be molded into the damper.

REFERENCES:
patent: 1907687 (1933-05-01), Van Lis
patent: 2221068 (1940-11-01), Alons
patent: 3073916 (1963-01-01), Williams et al.
patent: 4190746 (1980-02-01), Harwood et al.
patent: 4465905 (1984-08-01), Nation
patent: 4547632 (1985-10-01), Bryson

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