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:
May. 27, 2025
Filed:
Apr. 20, 2020
Applicant:
Goertek Inc., Shandong, CN;
Inventors:
Bing Hui, Shandong, CN;
Shuqiang Wang, Shandong, CN;
Fengguang Ling, Shandong, CN;
Chun Li, Shandong, CN;
Chunfa Liu, Shandong, CN;
Assignee:
Goertek Inc., Shandong, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 22/10 (2006.01); C08J 3/24 (2006.01); C08K 5/00 (2006.01); C08K 5/11 (2006.01); C08K 5/12 (2006.01); H04R 7/02 (2006.01); H04R 31/00 (2006.01);
U.S. Cl.
CPC ...
C08F 22/10 (2013.01); C08J 3/24 (2013.01); C08K 5/0016 (2013.01); C08K 5/11 (2013.01); C08K 5/12 (2013.01); H04R 7/02 (2013.01); H04R 31/003 (2013.01); H04R 2307/025 (2013.01);
Abstract
A diaphragm for a miniature sound generating device, wherein the diaphragm is made of a polyacrylate copolymer, a plasticizer is mixed in the polyacrylate copolymer, the polyacrylate copolymer is 100 parts by mass, and the plasticizer comprises at least one of aliphatic dibasic acid esters, phthalic acid esters, benzene polyacid esters, benzoic ethers, polyol esters, chlorinated hydrocarbons, epoxides, citrate esters and polyesters. The diaphragm possesses excellent sound performance.