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:
Sep. 22, 2020
Filed:
Jul. 24, 2017
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Yonghyuk Na, Seoul, KR;
Byungkil Choi, Seoul, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/28 (2006.01); H04R 1/10 (2006.01);
U.S. Cl.
CPC ...
H04R 1/28 (2013.01); H04R 1/10 (2013.01); H04R 1/1016 (2013.01);
Abstract
In order to control the output in a low-pitched sound domain zone or a specific frequency domain zone of an earphone, provided is an earphone comprising: a driver unit; a housing forming an electric component part so as to load the driver unit; a groove formed along a first path on the inner surface of the housing; a pipeline damper covering the inner surface of the housing so as to form a pipeline along the groove; a first external base hole formed in the housing at a first point of the pipeline; and an internal base hole formed in the pipeline damper at a second point of the pipeline.