The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 28, 2021
Filed:
Oct. 27, 2020
Applicant:
Em-tech Co., Ltd., Gyeongsangnam-do, KR;
Inventors:
Ji Hoon Kim, Gyeongsangnam-do, KR;
Young Woo Kim, Gyeongsangnam-do, KR;
Yong Ju Ji, Gyeongsangnam-do, KR;
Young Seok Noh, Gyeongsangnam-do, KR;
Chan Ho Jeong, Gyeongsangnam-do, KR;
Assignee:
EM-TECH CO., LTD., Gyeongsangnam-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 7/18 (2006.01); H04R 7/12 (2006.01); H04R 31/00 (2006.01);
U.S. Cl.
CPC ...
H04R 7/18 (2013.01); H04R 7/127 (2013.01); H04R 31/003 (2013.01); H04R 2307/025 (2013.01);
Abstract
Disclosed is a bonding structure of a diaphragm for a receiver and a method thereof. The diaphragm of the receiver includes a center diaphragm and a side diaphragm elastically supporting the center diaphragm, formed by heat and pneumatic pressure, and bonded to the center diaphragm. At least one of the center diaphragm and the side diaphragm is formed of a thermoplastic elastomer film.