Electroacoustic transducer and method for manufacturing the...

Details Electroacoustic transducer and method for manufacturing the... Electroacoustic transducer and method for manufacturing the...

2003-05-29

2008-03-18

Le, Huyen (Department: 2615)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

C381S398000, C381S409000, C381S410000

Reexamination Certificate

active

07346182

ABSTRACT:
A diaphragm subassembly comprises a voice coil, a diaphragm, a frame, and a pair of terminal members. A magnetic circuit unit comprises a yoke, a magnet, and a base. The diaphragm subassembly and the magnetic circuit unit are accommodated in a bottomed cylindrical cover. In the manufacturing process, the cover is placed with the open end directed upward. The diaphragm subassembly, the yoke, the magnet, and the base are dropped into the cover in this order. The manufacturing process of a dynamic electroacoustic transducer is thereby simplified.

REFERENCES:
patent: 6400825 (2002-06-01), Miyamoto et al.
patent: 6674872 (2004-01-01), Fujinami et al.
patent: 60-58799 (1985-04-01), None
patent: 2000-509934 (2000-08-01), None
patent: WO 98/38832 (1998-09-01), None

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