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. 12, 2024
Filed:
Dec. 25, 2019
Applicant:
Goertek Inc., Shandong, CN;
Inventors:
Weifeng Peng, Weifang, CN;
Fengguang Ling, Weifang, CN;
Chun Li, Weifang, CN;
Chunfa Liu, Weifang, CN;
Assignee:
Goertek Inc., Shandong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 7/04 (2006.01); C08J 5/04 (2006.01); C08J 7/04 (2020.01); C08K 3/06 (2006.01); C08K 5/00 (2006.01); C08K 5/40 (2006.01);
U.S. Cl.
CPC ...
H04R 7/04 (2013.01); C08J 5/0405 (2021.05); C08J 7/042 (2013.01); C08K 3/06 (2013.01); C08K 5/0016 (2013.01); C08K 5/40 (2013.01); C08J 2381/04 (2013.01); H04R 2307/025 (2013.01); H04R 2307/029 (2013.01);
Abstract
Provided is a vibrating diaphragm of a sound-producing apparatus. The vibrating diaphragm includes at least one elastomer layer, wherein the elastomer layer is made from polysulfide rubber; the polysulfide rubber is any one of type A polysulfide rubber, type FA polysulfide rubber and type ST polysulfide rubber, and a molecular weight of the polysulfide rubber is 1000-500000.