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:
Mar. 29, 2022
Filed:
Sep. 21, 2018
Suzhou Sonavox Electronics Co., Ltd, Jiangsu, CN;
Peng Gao, Jiangsu, CN;
Guoqiang Chai, Jiangsu, CN;
Jie Chen, Jiangsu, CN;
Yuping Xie, Jiangsu, CN;
Jianming Zhou, Jiangsu, CN;
SUZHOU SONAVOX ELECTRONICS CO., LTD, Jiangsu, CN;
Abstract
The present disclosure relates to a high-pitched loudspeaker, which widens the starting frequency of the high-pitched loudspeaker, and the high-pitched loudspeaker has a smoother intermediate frequency curve and less distortion. A high-pitched loudspeaker comprises a magnetic circuit system, a voice coil, and a diaphragm connected to the voice coil, wherein a first cavity is formed between the magnetic circuit system and the voice coil and the diaphragm, the high-pitched loudspeaker further comprises a back cover, the magnetic circuit system is arranged between the diaphragm and the back cover, and a second cavity is formed between the back cover and the magnetic circuit system, a through-hole is opened on the magnetic circuit system which communicates the first cavity and the second cavity to constitute an air gap cavity of the high-pitched loudspeaker.