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:
Feb. 18, 2020
Filed:
Jan. 26, 2017
Peng Qin, Shenzhen, CN;
Peng Qin, Shenzhen, CN;
AAC Technologies Pte. Ltd., Singapore, SG;
Abstract
A sound generator includes a housing with an acoustic cavity and including a mounting base and a separation plate extending from the mounting base to the outside of the housing; a speaker unit accommodated in the acoustic cavity and being mounted on the mounting base; a front cavity and a back cavity formed by acoustic cavity divided by the mounting base, the speaker unit and the separation plate; and at least one cavity extending from the mounting base and/or the separation plate. The cavity has at least a first through-hole for communicating the cavity with the front cavity and at least a second through-hole for communicating the cavity with the back cavity.