Bass reflex type speaker device

Details Bass reflex type speaker device Bass reflex type speaker device

2011-01-18

2011-01-18

Donovan, Lincoln (Department: 2832)

Acoustics

Diaphragm and enclosure

C181S156000

Reexamination Certificate

active

07870928

ABSTRACT:
A bass reflex type speaker is disclosed. The bass reflex type speaker includes an enclosure, two speakers, and a bass reflex tube. The enclosure includes a main portion and two protruding portions protruding from the main portion. The main portion defines a sound cavity therein. The protruding portion defines a sound path therein communicating with the sound cavity. The two speakers are connected to the corresponding protruding portion to close the sound path. One end of the bass reflex tube is fixed in the enclosure, and the other end of the bass reflex tube extends out of the enclosure.

REFERENCES:
patent: 6141428 (2000-10-01), Narus
patent: 6237715 (2001-05-01), Tracy
patent: 6561311 (2003-05-01), Chuang
patent: 7252175 (2007-08-01), Suzuki
patent: 7410029 (2008-08-01), Tanaami
patent: 2005/0123162 (2005-06-01), Huffman
patent: 2008/0169151 (2008-07-01), Barrios et al.

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