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1. (WO2018103309) CONE SPEAKER DIAPHRAGM AND SPEAKER

Pub. No.:    WO/2018/103309    International Application No.:    PCT/CN2017/090096
Publication Date: Fri Jun 15 01:59:59 CEST 2018 International Filing Date: Tue Jun 27 01:59:59 CEST 2017
IPC: H04R 9/06
Applicants: GOERTEK DYNAUDIO CO., LTD
歌尔丹拿音响有限公司
Inventors: WEN, Zhangfeng
文章峰
LI, Zhi
李志
QIANG, Shousong
强寿松
YANG, Jianbin
杨健斌
Title: CONE SPEAKER DIAPHRAGM AND SPEAKER
Abstract:
Disclosed are a cone speaker diaphragm and a speaker. The cone speaker diaphragm comprises a cone and a folded ring. The folded ring is ring-shaped. The folded ring comprises in an outward sequence: a connecting part, a folded ring body, and a folded ring outer edge. The connecting part of the folded ring is fixedly connected to the upper surface of the outer edge of the cone. The outer edge of the cone comprises a ring belt formed by joining at least one first area and at least one second area. The density of the first area is greater than the density of the second area. The speaker diaphragm of the present invention improves the sound quality of the speaker. (Fig. 16)