Patent search ap:("MING CHI UNIVERSITY OF TECHNOLOGY") AND inv:"Jen-Chun Chang" Page 1

1.

发明授权
Acoustic diaphragm and speaker containing the same 有权

公开(公告)号：US10397717B2

公开(公告)日：2019-08-27

申请号：US15988539

申请日：2018-05-24

Applicant: MING CHI UNIVERSITY OF TECHNOLOGY

Inventor： Jyh-Wei Lee , Jen-Chun Chang , Yi-Jie Liao

IPC: H04R31/00 , H04R7/12 , H04R9/02 , H04R9/06

Abstract: The present invention provides an acoustic diaphragm including: a cone and a surround mounted around the cone; wherein an amorphous titanium-zirconium film is formed on a cone substrate, a surround substrate, or both of the substrates. The present invention also provides a speaker containing the acoustic diaphragm.

Patent Agency Ranking