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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.:

US 11800287 B1

PDFFull Text
Date of Patent:
Oct. 24, 2023

Filed:

Oct. 13, 2018

Speaker diaphragm and speaker

Applicant:

Goertek Inc., Shandong, CN;

Inventors:

Ting Wang, Shandong, CN;

Guodong Zhao, Shandong, CN;

Jie Zhu, Shandong, CN;

Chun Li, Shandong, CN;

Chunfa Liu, Shandong, CN;

Assignee:

Goertek Inc., Shandong, CN;

Attorney:

Baker Botts LLP

Primary Examiner:

Kile O Blair

Int. Cl.
CPC ...
H04R 7/10 (2006.01); C09J 7/25 (2018.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/36 (2006.01); H04R 9/02 (2006.01); H04R 9/06 (2006.01); H04R 31/00 (2006.01);
U.S. Cl.
CPC ...
H04R 7/10 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/36 (2013.01); C09J 7/255 (2018.01); H04R 9/025 (2013.01); H04R 9/06 (2013.01); H04R 31/003 (2013.01); B32B 2274/00 (2013.01); B32B 2457/00 (2013.01); C09J 2301/1242 (2020.08); C09J 2467/006 (2013.01); H04R 2307/025 (2013.01);
Abstract

The present disclosure provides a speaker diaphragm and a speaker. The diaphragm includes two surface layers compounded together and at least one intermediate layer located between the two surface layers, wherein at least one of the surface layers is a thermoplastic polyester elastomer film layer, at least one of the intermediate layers is an adhesive layer, a thermoplastic polyester elastomer is a copolymer composed of a polyester hard segment A and a polyether or aliphatic polyester soft segment B, a thickness of the thermoplastic polyester elastomer film layer is 5-70 μm, and a thickness of the adhesive layer is 1-40 μm.

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