Speaker module design

Details Speaker module design Speaker module design

2007-08-14

2010-10-12

Edouard, Patrick N (Department: 2617)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C381S345000, C381S349000, C381S351000, C381S353000, C381S354000, C381S334000, C381S335000, C181S155000, C181S156000, C181S145000, C181S183000, C181S184000, C379S433020, C379S432000

Reexamination Certificate

active

07813770

ABSTRACT:
A speaker module and a mobile device having the speaker module are provided herein. The speaker module includes a speaker unit and a speaker box. The speaker box has a wall defining an aperture receiving the speaker unit therein. The speaker box has a first speaker chamber, a second speaker chamber and a connecting section connecting the first speaker chamber and the second speaker chamber. The cross-sectional height of the space of the connecting section is lower than that of the first speaker chamber or the second speaker chamber. In other option, the space of the connecting section is smaller than that of the first speaker chamber or the second speaker chamber.

REFERENCES:
patent: 4783820 (1988-11-01), Lyngdorf et al.
patent: 5621804 (1997-04-01), Beppu
patent: 7263387 (2007-08-01), Ho et al.
patent: 2004/0203997 (2004-10-01), Kaikuranta et al.

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