Patent ID: 7556121
Filing Date: 2009-07-07
Classification: H04M,H04R

Abstract:
1. A speaker set configured for an electronic product comprising: a hollow shell comprising a first chamber, a second chamber and a third chamber isolated from the second chamber; a loudspeaker accommodated in the first chamber of the shell, dividing the first chamber into a front chamber and a rear chamber, the rear chamber communicating with the third chamber, and the front chamber communicating with the second chamber, the loudspeaker having first tone holes communicating with the front chamber and second tone holes communicating with the rear chamber, the third chamber communicating with a surrounding environment so that sound emitted from the second tone holes of the speaker can be transferred to the surrounding environment; and a hollow frame for being sandwiched between an open side of the shell and a printed circuit board of the electronic product so as to form a first resonance chamber consisting of the front chamber and the second chamber and a second resonance chamber isolated from the first resonance chamber and consisting of the rear chamber and the third chamber; wherein the shell comprises a base wall and a plurality of sidewalls surrounding the base wall, the first chamber being enclosed by an annular wall extending from the base wall, the second and third chambers being formed between the base wall, the sidewalls and a periphery of the annular wall, and being isolated from each other by at least a spacing plate disposed between the annular wall and a corresponding sidewall.