Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2005-07-12
2005-07-12
Kim, Paul (Department: 3729)
Metal working
Method of mechanical manufacture
Electrical device making
C029S592100, C029S609100, C156S073100, C156S250000, C261S065000, C264S212000, C264S216000, C264S320000, C264S323000, C264S331160, C228S181000, C228S190000, C381S113000, C381S116000, C381S174000, C381S191000
Reexamination Certificate
active
06915555
ABSTRACT:
A method of manufacturing a loudspeaker comprises: continuously forming diaphragm portions and alignment portions on a band resin film; positioning one of a frame and a protector at an upper die or lower die; aligning other alignment portions formed on the frame, the protector, or the upper or lower die having the film disposed thereon, with the alignment portion formed on the film; bonding the frame and the resin film that is to form the diaphragm; and cutting a diaphragm out of the resin film. A position of bonding the diaphragm to the frame or the protector can be easily determined by aligning the alignment portion formed on the band resin film with another alignment portion provided on the frame, the protector, or the lower or upper die on which the frame or protector is disposed. Further, a conventionally-indispensable ring can be eliminated to reduce a number of components.
REFERENCES:
patent: 5715324 (1998-02-01), Tanabe et al.
patent: 5757945 (1998-05-01), Sakamoto
patent: 6248400 (2001-06-01), Kurihara et al.
patent: 61-273099 (1986-12-01), None
patent: 5-236591 (1993-09-01), None
patent: 09084185 (1997-03-01), None
“A high fidelity small-sized loudspeaker”; Satoh, K.; Takewa, H.; Iwasa, M.; Kikkawa, T.; Consumer Electronics, IEEE Transactions on, vol.: 43, Issue: 3, Aug. 1997; pp.: 972-979.
Kim Paul
Wenderoth , Lind & Ponack, L.L.P.
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