Speaker set for electronic product

Details Speaker set for electronic product Speaker set for electronic product

2007-03-07

2009-08-25

San Martin, Edgardo (Department: 2837)

Acoustics

Plural diaphragm sound sources

Plural chambers

C181S156000, C381S349000, C381S351000, C379S432000, C379S433020

Reexamination Certificate

active

07578368

ABSTRACT:
A speaker set (20) for an electronic product (100) includes a hollow shell (60), and a loudspeaker (50) accommodated in the shell. The shell includes at least a spacing plate (68) which divides an inner space of the shell into a first resonance chamber (61a) and a second resonance chamber (61b). The loudspeaker includes first tone holes (52) communicating with the first resonance chamber and second tone holes (54) communicating with the second resonance chamber. The second resonance chamber communicates with the first resonance chamber via at least an inverted hole (69) defined in the at least a spacing plate. The first resonance chamber communicates with a surrounding environment so that sound emitted from the first and second tone holes of the loudspeaker can be transferred to the surrounding environment.

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