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:
Jun. 11, 2019
Filed:
Dec. 21, 2015
Goertek Inc., WeiFang, CN;
GOERTEK INC., Weifang, CN;
Abstract
Disclosed is a loudspeaker, comprising a casing () and a vibration system. The vibration system comprises a vibrating diaphragm () and a sound coil () fixed at a side of the vibrating diaphragm. A joint portion is arranged at an edge of the vibrating diaphragm (). The joint portion is bonded and fixed to the casing (). A recessed adhesive accommodating structure () is arranged at an end face connecting the casing () to the joint portion. The adhesive accommodating structure () is arranged corresponding to an adhesive surface between the vibrating diaphragm () and the casing (), and is an annular structure. According to the present invention, the loudspeaker's acoustic performance is stabilized, while the vibrating diaphragm () and the casing () can be firmly connected to each other.