Sound-damping laminate for loudspeaker structure

Details Sound-damping laminate for loudspeaker structure Sound-damping laminate for loudspeaker structure

2008-01-01

2008-01-01

Ni, Suhan (Department: 2615)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having acoustic wave modifying structure

C381S152000, C381S431000

Reexamination Certificate

active

07315627

ABSTRACT:
A sound-damping structure is provided for use as part of a sound-directing component of a loudspeaker. The structure includes a first structural layer, a second structural layer, and a core layer enclosed between the first and second structural layers. The first and second structural layers include a generally rigid material, and the core layer includes a sound-damping material. The first structural layer includes an outside surface facing an exterior of the sound-directing component. The second structural layer includes an inside surface having an interior of the sound-directing component through which sound energy is directed.

REFERENCES:
patent: 3982607 (1976-09-01), Evans
patent: 4369857 (1983-01-01), Frazer et al.
patent: 6332029 (2001-12-01), Azima et al.

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