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:
Apr. 23, 2019
Filed:
Jan. 26, 2017
Sound absorbing material and manufacturing method thereof and speaker using sound absorbing material
Hongshu Feng, Shenzhen, CN;
Hongshu Feng, Shenzhen, CN;
AAC TECHNOLOGIES PTE. LTD., Singapore, SG;
Abstract
The present disclosure provides a sound absorbing material, a manufacturing method thereof and a speaker using the sound absorbing material. The speaker comprises a shell with a receiving space, a sound production unit disposed in the shell, and a rear cavity encircled by the sound production unit and the shell. The rear cavity is filled with a sound absorbing material. The sound absorbing material comprises MEL structured molecular sieves. The framework of the MEL structured molecular sieves comprises silicon dioxide.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile