公开(公告)号：US20180343532A1

公开(公告)日：2018-11-29

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 ,  H04R9/06 ,  H04R9/02 ,  H04R7/12

CPC classification number: H04R31/003 ,  H04R7/125 ,  H04R7/127 ,  H04R9/025 ,  H04R9/06 ,  H04R2307/027 ,  H04R2307/204

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.

公开(公告)号：US20250008635A1

公开(公告)日：2025-01-02

申请号：US18239244

申请日：2023-08-29

Applicant: Ming Chi University of Technology

Inventor： Jhih-Yan HE ,  Li-Chun CHANG ,  Jyh-Wei LEE ,  Ming-Hung CHEN

IPC: H05H1/46

Abstract: Disclosed is a control circuit of an atmospheric plasma generating device, comprising: a power supply suppling power to the control circuit, a switching element, a first set of resistors, a second set of resistors, a set of Zener diodes, a set of transistors electrically coupled to the switching element, the set of Zener diodes, the first set of resistors and the second set of resistors. The control circuit further includes a capacitor, an inductor, and a set of diodes electrically coupled to the first set of resistors or the second set of resistors.

公开(公告)号：US20160256237A1

公开(公告)日：2016-09-08

申请号：US14711136

申请日：2015-05-13

Applicant: MING CHI UNIVERSITY OF TECHNOLOGY

Inventor： Jyh-Wei LEE ,  Yu-Lun DENG ,  Chun-Pin LIN

IPC: A61C5/02

CPC classification number: A61C5/42 ,  A61C2201/007

Abstract: An endodontic file with improved fatigue resistance comprising a conical body made of a metal alloy and an amorphous titanium-zirconium-boron film deposited on a surface of the conical body.

Abstract translation: 具有改善的抗疲劳性的牙髓质文件包括由金属合金制成的圆锥体和沉积在锥体的表面上的无定形钛 - 锆 - 硼薄膜。