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:
Jul. 09, 2019
Filed:
Dec. 09, 2015
Goertek Inc., Weifang, CN;
Xiaodong Cao, Weifang, CN;
Goertek Inc., Weifang, CN;
Abstract
A loudspeaker module, comprising a housing, the housing accommodates a loudspeaker unit, and the loudspeaker unit divides the overall module inner cavity into a front acoustic cavity and a rear acoustic cavity, the rear acoustic cavity is provided with sound absorbing particles therein, the rear acoustic cavity is further provided with therein a net-like isolating component for isolating the sound absorbing particles and the loudspeaker unit, the isolating component divides the whole rear acoustic cavity into a filled region and an non-filled region, the sound absorbing particles are located within the filled region, the sound absorbing particles are made of a non-foaming material, and the external diameter of the sound absorbing particles is ≥0.01 mm and less than the height of the filled region.