High-performance full-range speaker assembly

Details High-performance full-range speaker assembly High-performance full-range speaker assembly

2009-06-02

2010-10-05

Donels, Jeffrey (Department: 2832)

Acoustics

Diaphragm and enclosure

Rounded enclosure

C181S199000, C381S334000, C381S336000

Reexamination Certificate

active

07806227

ABSTRACT:
A high-performance, full-range speaker includes a front horn having a channel tube located on the inside at the bottom side, a rear cover shell, a holder base defining a sound transmission passage, a speaker unit mounted on the holder base, a control circuit board, an equalizer mounted in the sound transmission passage of the holder base to buffer the gain of the treble of the forward waves produced by the speaker unit and to balance the mid-range, a bass resonator, a rack and first, second, third and fourth resonance chambers in air communication with the channel tube and the bass resonator to eliminate noises and to amplify the bass.

REFERENCES:
patent: 6628799 (2003-09-01), Fukuda
patent: 7350618 (2008-04-01), Goh et al.
patent: 7441630 (2008-10-01), Herrington et al.
patent: 2002/0076062 (2002-06-01), Juszkiewicz et al.
patent: 2002/0114485 (2002-08-01), Ohira et al.
patent: 2004/0105565 (2004-06-01), Butters et al.
patent: 2006/0153413 (2006-07-01), Nakajima et al.
patent: 2007/0154044 (2007-07-01), Oxford et al.
patent: 2008/0056516 (2008-03-01), Christian
patent: 2009/0038878 (2009-02-01), Imamura et al.

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