Method of manufacturing speaker diaphragm

Details Method of manufacturing speaker diaphragm Method of manufacturing speaker diaphragm

1998-11-06

2000-03-21

Dang, Khanh

Acoustics

Diaphragm

Critically defined material or coating

181172, 181173, H04R 700

Patent

active

060391464

ABSTRACT:
A method for manufacturing a speaker diaphragm comprising the steps of forming a plurality of virtual concentric circles between central point of a circle having a predetermined size and a circumference thereof; dividing said each concentric circle with a predetermined angle, forming divided points on the circumference of each concentric circle and arranging a plurality of yarns from a point on the circumference of said circle to another point thereof to come in tangential contact with said divided points, thereby forming a omnidirectional pseudo-textile fabric; thermosetting said pseudo-textile fabric; and removing a gap formed on said pseudo-textile fabric using a resin, a film or a sheet.

REFERENCES:
patent: 2624417 (1953-01-01), Brennan
patent: 5619019 (1997-04-01), Yoshimura et al.

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