Patent · US Active

Vibrating diaphragm of sound-producing apparatus and sound-producing apparatus

US12200459B2 · kind B2 · utility

0Cited by

0References

12Claims

0Family size

Assignee

GOERTEK INC. · CN

Inventors

Shuqiang Wang · Nanhu, CN
Fengguang Ling · Shandong, CN
Chun Li · Shandong, CN
Chunfa Liu · Weifang, CN

Key dates

Filing date	Dec 25, 2019
Grant date	Jan 14, 2025
Priority date	—
Expiry date	Nov 19, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2307/025
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

The present disclosure provides a vibrating diaphragm of a sound-producing apparatus and the sound-producing apparatus. The vibrating diaphragm includes a fluorosilicone rubber film layer, and the fluorosilicone rubber includes a linear polymer composed of a silica main chain and a side chain radical; a molecular structure of the polymer

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.