Birch, Stewart, Kolasch & Birch, LLP
Portable electronic device
A portable electronic device having a speaker module is provided. The speaker module includes: a speaker unit; a back chamber; a channel coupled between the speaker unit and the back chamber; and a porous material filled inside at least a portion of the front chamber, the back chamber, and/or the channel, for improving and extending bass performance and relieving a channel effect caused by the channel. Moreover, the portable electronic device is advantageously able to compensate a resonance degradation caused by the porous material.
HTC CORPORATION
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Hann-Shi Chih-Chiang Yu-Sheng Lei Chun-Min
Tong Cheng Lee Chen Lee