Speaker parts and method of manufacturing same

Details Speaker parts and method of manufacturing same Speaker parts and method of manufacturing same

2005-01-18

2005-01-18

Kuntz, Curtis (Department: 2643)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

C381S424000, C381S428000, C181S169000, C181S172000

Reexamination Certificate

active

06845169

ABSTRACT:
A speaker edge is molded of a rubber material with 0.1 wt % to 10 wt % short fibers added to the rubber material which ranges from 1.0 mm to 10 mm in length and are resistant to softening by heat, in which the short fibers are oriented to the radial direction of the edge.

REFERENCES:
patent: 3905448 (1975-09-01), Kawakami et al.
patent: 4229397 (1980-10-01), Fukuta et al.
patent: 5180785 (1993-01-01), Uryu et al.
patent: 6378649 (2002-04-01), Inoue et al.
patent: 6390232 (2002-05-01), Kirschbaum

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