Diaphragm for use with an electro-acoustic transducer and...

Details Diaphragm for use with an electro-acoustic transducer and... Diaphragm for use with an electro-acoustic transducer and...

H - Electricity

04

R

H04R 7/02 (2006.01) B29C 45/14 (2006.01) B29C 45/16 (2006.01) H01R 31/00 (2006.01) H04R 3/00 (2006.01) H04R 7/20 (2006.01) H04R 31/00 (2006.01)

Patent

CA 2126526

A diaphragm for use with an electro-acoustic transducer includes a diaphragm portion, an edge portion and a supporting portion. The diaphragm portion is molded by a synthetic resin material, such as polypropylene or the like. The edge portion is molded integrally with the supporting portion by a thermoplastic synthetic resin material and provided at the outer peripheral side of the diaphragm portion. The edge portion is molded integrally with the diaphragm portion by dichromatic molding.

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