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. 20, 2024
Filed:
Dec. 24, 2019
Goertek Inc., Shandong, CN;
GOERTEK INC., Weifang, CN;
Abstract
Disclosed is an acoustic device, comprising a sound generating unit, a sound wave at a front side of the vibrating diaphragm radiates to outside through the sound outlet, a first sealed cavity is formed at a rear side of the vibrating diaphragm, a cavity wall of the first sealed cavity is provided with a mounting hole, a flexible deformation part is provided at the mounting hole, the second sealed cavity encloses a sound wave, in the second sealed cavity, a protective cover plate located at outside of the flexible deformation part is further provided on the mounting hole, and an escape space used for avoiding vibration of the flexible deformation part is formed between the protective cover plate and the flexible deformation part; air permeable micropores are provided on the protective cover plate, the air permeable micropores have an area less than or equal to 0.2 mm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile