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:
Dec. 31, 2019
Filed:
Jul. 28, 2017
Avary Holding (Shenzhen) Co., Limited., Shenzhen, CN;
Hongqisheng Precision Electronics (Qinhuangdao) Co., Ltd., Qinhuangdao, CN;
Biao Li, Shenzhen, CN;
Ning Hou, Shenzhen, CN;
Hao-Wen Zhong, Shenzhen, CN;
Xiao-Wei Kang, Shenzhen, CN;
Avary Holding (Shenzhen) Co., Limited., Shenzhen, CN;
HongQiSheng Precision Electronics (QinHuangDao) Co., Ltd., Qinhuangdao, CN;
Abstract
A flexible printed circuit board used in a loudspeaker as a dome and a holder supporting the dome has a top surface and a bottom surface opposite to the top surface. The flexible printed circuit board comprises a dome portion and a supporting portion surrounding the dome portion. The dome portion is formed by the top surface being depressed from the top surface to the bottom surface and the bottom surface projecting from the top surface to the bottom surface; and a supporting portion surrounds the dome portion.