Title:
LOUDSPEAKER DIAPHRAGM AND LOUDSPEAKER
Document Type and Number:
WIPO Patent Application WO/2019/237609
Kind Code:
A1
Abstract:
A loudspeaker diaphragm and a loudspeaker. The diaphragm comprises a thermoplastic polyester elastomer film (11), a thermoplastic polyester elastomer being a copolymer consisting of a polyester hard segment A and a polyether or aliphatic polyester soft segment B, wherein the mass percentage of the polyester hard segment A is 10-95％.The loudspeaker diaphragm features high structural strength, is not easy to break, and has good toughness and resilience and a good sound generation effect.
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Inventors:
WANG TING (CN)
ZHAO GUODONG (CN)
ZHU JIE (CN)
LI CHUN (CN)
LIU CHUNFA (CN)
ZHAO GUODONG (CN)
ZHU JIE (CN)
LI CHUN (CN)
LIU CHUNFA (CN)
Application Number:
PCT/CN2018/110168
Publication Date:
December 19, 2019
Filing Date:
October 13, 2018
Export Citation:
Assignee:
GOERTEK INC (CN)
International Classes:
H04R9/06; H04R7/02
Foreign References:
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| CN108566608A | 2018-09-21 | |||
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Other References:
See also references of EP 3809722A4
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