The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 13, 2018
Filed:
Jan. 26, 2017
Zhizhu Chen, Shenzhen, CN;
Miao Miao, Shenzhen, CN;
Fuhu Zhang, Shenzhen, CN;
Chengliang Wang, Shenzhen, CN;
Cheng Qian, Shenzhen, CN;
Zhizhu Chen, Shenzhen, CN;
Miao Miao, Shenzhen, CN;
Fuhu Zhang, Shenzhen, CN;
Chengliang Wang, Shenzhen, CN;
Cheng Qian, Shenzhen, CN;
AAC TECHNOLOGIES PTE. LTD., Singapore, SG;
Abstract
A speaker box is disclosed. The speaker box includes a housing; a speaker unit accommodated in the housing and including a diaphragm for generating sound; a front sound cavity cooperatively formed by the diaphragm and the housing; a sound channel communicating the front sound cavity with outside space of the speaker box; and a sound-absorbing device disposed in the sound channel. The sound-adsorbing device includes an accommodation housing, sound-absorbing powder filled in the accommodation housing and a separation net sealing the accommodation housing. The speaker box achieves designed acoustic parameters with good acoustic performance.