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US 5,111,510 AGranted
Speaker and manufacturing method therefor
AssigneePioneer Electronic Corporation
InventorKunio Mitobe
Life of this patent
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Abstract
A speaker and manufacturing method therefor includes a diaphragm having an integral edge, first and second frame pieces and a driver unit. The first and second frame pieces are formed by molding so that the first frame piece is integrally combined with the diaphragm edge, and the second frame piece is integrally combined with the driver unit.
Claims4
A method of manufacturing a speaker comprising the steps of:
- insertion-molding an edge onto a diaphragm having a voice coil bobbin attached thereto;
- molding a first frame piece so that the edge is integrally combined with the molded first frame piece;
- assembling a driver unit;
- molding a second frame piece so that the assembled driver unit is integrally combined with the second frame piece;
- combining the first and second frame pieces together;
- and
- bonding edges of a damper to said molded second frame piece and to the voice coil bobbin of the diaphragm, respectively.
4 more elements
Dependencies are inferred from the claim text.