DIAPHRAGM USED FOR SOUND-GENERATING APPARATUS AND SOUND-GENERATING APPARATUS

Title:

DIAPHRAGM USED FOR SOUND-GENERATING APPARATUS AND SOUND-GENERATING APPARATUS

Document Type and Number:

WIPO Patent Application WO/2019/024732

Kind Code:

A1

Abstract:

Disclosed is a diaphragm used for a sound-generating apparatus. The diaphragm comprises a central part, a folded ring part provided around the central part and a fixing part provided around the folded ring part, and at least one of the central part, the folded ring part and the fixing part comprises a TPSiU film layer made of TPSiU.The diaphragm has the features of high strength, temperature resistance, chemical corrosion resistance, watertightness, and good elastic resilience.

Inventors:

YAN FUZHEN (CN)
WU ZENGXUN (CN)

Application Number:

PCT/CN2018/096974

Publication Date:

February 07, 2019

Filing Date:

July 25, 2018

Export Citation:

Click for automatic bibliography generation Help

Assignee:

GOERTEK INC (CN)

International Classes:

H04R7/12; H04R9/02; H04R9/06

Foreign References:

CN107318070A	2017-11-03
CN207124739U	2018-03-20
CN206136297U	2017-04-26
CN105933831A	2016-09-07
CN103270433A	2013-08-28

Other References:

ZHEJIANG XINAN CHEMICAL INDUSTRIAL GROUP CO.LTD: "Polyurethane Thermoplastic Elastomer Modified by Organosilicon (Non official translation)", BAIDU LIBRARY, 16 December 2016 (2016-12-16)

Attorney, Agent or Firm:

BEYOND TALENT PATENT AGENT FIRM (CN)

Download PDF:

View/Download PDF PDF Help

Previous Patent: ANGLE AND DISTANCE MEASURING METHOD, TRAJECTORY DIAGRAM DRAWING METHOD, AND LASER RANGING SYSTEM

Next Patent: METHOD AND APPARATUS FOR QUERYING AUTHENTICATION INFORMATION OF WIRELESS ACCESS POINT