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:
May. 11, 2021
Filed:
Jan. 31, 2020
Bujeon Co., Ltd., Ansan-si, KR;
BUJEON CO., LTD., Ansan-si, KR;
Abstract
Disclosed herein is an earphone having a nozzle-integrated structure with a DSF applied thereto. The earphone includes: a housing formed as a penetrated body, and configured such that a nozzle portion is provided therein; a retainer configured to be fastened inside the housing; a magnet configured to generate magnetic force; a yoke configured to concentrate magnetic force; a plate configured to collect magnetic force; a voice coil configured to generate a magnetic field and vibrate through the interaction with the magnet; and a diaphragm configured to vibrate and generate sound. A penetrated sleeve is provided inside the housing and forms a nozzle portion. A drum safety filter (DSF) hole is formed in one side of the edge of a seating surface and a mesh member is disposed below a portion of the retainer in which the DSF hole is formed.