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Title:
SPEAKER BOX
Document Type and Number:
WIPO Patent Application WO/2021/000104
Kind Code:
A1
Abstract:
The present application provides a speaker box. The speaker box comprises an upper housing, a lower housing matched with the upper housing to form an accommodating space, and a sound-producing unit accommodated in the accommodating space; the sound-producing unit separates the accommodating space into a front cavity and a rear cavity; the upper housing comprises a top wall, a supporting wall and a surrounding wall extending from the top wall to the lower housing, and a cover plate covering the surrounding wall; the surrounding wall is connected to the outer side of the supporting wall; the supporting wall, the surrounding wall, the top wall, and the cover plate together enclose a resonant cavity; the resonant cavity is communicated with the front cavity; the speaker box also comprises a partition plate, and the partition plate divides the resonant cavity into at least two stacked sub-resonant cavities in communication with each other. Compared with the related art, the speaker box provided in the present application can effectively reduce the high-frequency resonance peak and sensitivity and improve the acoustic performance of the speaker box.

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JP2010129183SOUND LUMINAIRE
Inventors:
WU JUN (CN)
LI JIAN (CN)
REN LI (CN)
Application Number:
CN2019/094001
Publication Date:
January 07, 2021
Filing Date:
June 29, 2019
Export Citation:
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Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC TECHNOLOGIES PTE LTD (CN)
International Classes:
H04R1/02; H04R9/06
Foreign References:
CN109874067A2019-06-11
CN108882126A2018-11-23
CN109218939A2019-01-15
CN109218895A2019-01-15
EP2595410A12013-05-22
Attorney, Agent or Firm:
SHENZHEN ZHONGYUANLIHE PATENT AND TRADEMARK FIRM (GENERAL PARTNERSHIP) (CN)
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