Patent ID: 8009850
Filing Date: 2011-08-30
Classification: H04M,H04R

Abstract:
1. A portable electronic device, comprising: a case, having a sound hole and a plurality of limiting portions, wherein the limiting portions are disposed around the sound hole; a speaker, disposed in the case, between the limiting portions, and in correspondence with the sound hole; a sound box cover, covering the speaker to define a back sound chamber among the sound box cover, the case, and the speaker; a first circuit board, disposed in the case; and a second circuit board, disposed on the sound box cover and having a first surface, a second surface and a plurality of pads, wherein the first surface and the second surface are back to back with each other, the second circuit board is exposed on the sound box cover through the first surface, and the pads are respectively disposed on the first surface and the second surface to allow the second circuit board to electrically connect to the first circuit board through the pads on the first surface and to electrically connect to the speaker through the pads on the second surface.