Speaker apparatus

Details Speaker apparatus Speaker apparatus

2008-01-29

2008-01-29

Le, Huyen (Department: 2615)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Mounting or support feature of housed loudspeaker

C381S182000, C381S401000

Reexamination Certificate

active

07324657

ABSTRACT:
A voice coil and a magnetic driving circuit oscillate a diaphragm and a center cap. A magnetic lighting circuit for providing a magnetic field to an induction coil is mounted separately from a magnetic driving circuit. The induction coil generates an electromotive force for lighting light-emitting devices. Further, the light-emitting devices, the induction coil, and the magnetic lighting circuit are mounted integrally on the center cap.

REFERENCES:
patent: 4817163 (1989-03-01), Stastny
patent: 6563929 (2003-05-01), Kim
patent: 6978031 (2005-12-01), Garretson et al.
patent: 7123738 (2006-10-01), Mizone et al.
patent: 2000-261874 (2000-09-01), None
patent: 2003-023693 (2003-01-01), None

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