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:
Apr. 21, 2020
Filed:
Feb. 26, 2019
Bujeon Co., Ltd., Ansan-si, KR;
Seungcheol Lee, Ansan-si, KR;
BUJEON CO., LTD., Ansan-si, KR;
Abstract
Disclosed herein is the structure of a microspeaker. The structure of the microspeaker includes: a frame configured to have an internal space, a magnetic field part disposed inside the frame and configured to form an air gap along with the frame, and a diaphragm configured to vibrate vertically in response to the operation of a voice coil located inside the air gap. A duct configured to guide an air flow is formed in the circumferential direction of the frame. At least one frame hole is formed such that air enters the duct from the internal chamber of the frame. At least one duct sound outlet is formed such that air having entered the duct is discharged to the outside through the guide path of the duct.