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:
Nov. 05, 2019
Filed:
Dec. 10, 2015
Goertek Inc., WeiFeng, CN;
Xiaoyuan Chen, WeiFeng, CN;
Zhi Li, WeiFeng, CN;
GOERTEK INC., Weifang, Shandong, CN;
Abstract
A loudspeaker comprises a housing, a vibration diaphragm, a voice coil assembly, a centering support piece and a magnetic circuit system, an opening is provided at the center of the vibration diaphragm, and the voice coil assembly is fixed at the opening and is suspended in the housing; the magnetic circuit system comprises a magnetic conductive yoke fixedly connected with the housing, a magnet at one side of the magnetic conductive yoke close to the voice coil assembly, and a washer at one side of the magnet away from the magnetic conductive yoke; and a holder for supporting the centering support piece is provided on the washer, and the centering support piece is bonded and fixed to the inner wall of the voice coil assembly. By utilizing the present invention, the height of the loudspeaker can be effectively reduced, and the acoustic performance of the product can be increased.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile