Speaker box
AssigneeAAC Technologies Pte. Ltd.
InventorPeng Qin
Life of this patent
Estimating the term…
Abstract
A speaker box, includes a housing and a speaker unit accommodated in the housing. The speaker unit includes a diaphragm for forming a front sound cavity cooperatively with the housing. The box further includes a sound transmitting channel communicating the front sound cavity and outside, a front cavity of the speaker box formed by the front sound cavity and the sound transmitting channel, a through hole formed in the housing corresponding to the front cavity, and an elastic cover plate disposed on the housing and covering the through hole. A resonance frequency of the elastic cover plate is greater than a working frequency range of the speaker unit.
Claims7
A speaker box, including:
- a housing;
- a speaker unit accommodated in the housing, the speaker unit including a diaphragm for forming a front sound cavity cooperatively with the housing;
- a sound transmitting channel communicating the front sound cavity and outside;
- a front cavity of the speaker box formed by the front sound cavity and the sound transmitting channel;
- a through hole formed in the housing corresponding to the front cavity, the through hole and the diaphragm provided rightly opposite each other;
- an elastic cover plate disposed on the housing and covering the through hole, the elastic cover plate provided opposite to the diaphragm and covering the front sound cavity, a resonance frequency of the elastic cover plate being greater than a working frequency range of the speaker unit.
Dependencies are inferred from the claim text.