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:
Aug. 07, 2018
Filed:
Oct. 30, 2015
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Ki Won Kim, Gyeonggi-do, KR;
Byoung Hee Lee, Seoul, KR;
Chang Shik Yoon, Seoul, KR;
Ho Chul Hwang, Seoul, KR;
Samsung Electronics Co., Ltd., Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, KR;
Abstract
A micro speaker is provided. The micro speaker includes a diaphragm, at least one coil coupled with the diaphragm, a magnet configured to interact with a magnetic field induced by the at least one coil, and a yoke plate located on a bottom of the magnet to support the magnet and including a hole therein, top and bottom ends of the hole being opened. An area, adjacent to the hole, of a lower surface of the yoke plate has a height difference relative to another area of the lower surface of the yoke plate.