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:
Jan. 25, 2022
Filed:
Jun. 05, 2020
Almus Corp., Chungcheongnam-do, KR;
Ju Heon Ko, Hwaseong-si, KR;
Byung Il Min, Suwon-si, KR;
Yun Uk Ha, Incheon, KR;
Jeong Kwon Park, Yeoju-si, KR;
Yeong Jae Lee, Yongin-si, KR;
ALMUS CORP., Chungcheongnam-Do, KR;
Abstract
Disclosed is an earphone including a housing, a speaker unit accommodated in the housing, and a printed circuit board (PCB) accommodated in the housing, disposed below the speaker unit, and configured to provide an electrical signal to the speaker unit. Here, the speaker unit includes a first diaphragm, a first voice coil fixed to the first diaphragm, at least one magnet disposed below the first diaphragm, a frame which accommodates the first diaphragm, the first voice coil, and the magnet, and a substrate which receives and transmits an electrical signal from the PCB to the first voice coil. The substrate is disposed on an upper side of the speaker unit. The earphone further includes a connection pin.