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:
Nov. 04, 2025
Filed:
Mar. 11, 2024
Applicant:
Bujeon Co., Ltd., Ansan-si, KR;
Inventors:
Donghyun Seo, Ansan-si, KR;
Minkoo Park, Hwaseong-si, KR;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/10 (2006.01); H04R 3/00 (2006.01);
U.S. Cl.
CPC ...
H04R 1/1041 (2013.01); H04R 1/1016 (2013.01); H04R 2420/07 (2013.01); H04R 2460/11 (2013.01);
Abstract
The present invention provides an audio device that can selectively allow and block the vent flow of external sound using an air flow control valve mechanism and can finely control the amount of opening.