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. 24, 2019
Filed:
May. 10, 2018
Applicant:
Em-tech. Co., Ltd., Busan, KR;
Inventors:
Cheon Myeong Kim, Gyeongsangnam-do, KR;
Ji Hoon Kim, Gyeongsangnam-do, KR;
Sung Chul Jung, Gyeongsangnam-do, KR;
Seul Ki Nam, Gyeongsangnam-do, KR;
Assignee:
EM-TECH Co., Ltd., Busan, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 7/12 (2006.01); H04R 7/04 (2006.01); H04R 9/04 (2006.01); H04R 9/06 (2006.01); H04R 9/02 (2006.01);
U.S. Cl.
CPC ...
H04R 7/127 (2013.01); H04R 7/04 (2013.01); H04R 9/025 (2013.01); H04R 9/045 (2013.01); H04R 9/06 (2013.01);
Abstract
The present invention relates to a high power microspeaker having a separate sub-diaphragm on a top end surface of a coil, in addition to a diaphragm and a suspension. The present invention provides a structure in which an acoustic system including a main diaphragm and a conductive suspension of a microspeaker is attached to a top end surface of a coil and a separate sub-diaphragm is attached to the same surface of the coil.