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:
Dec. 24, 2013
Filed:
Dec. 12, 2011
Applicants:
Xiong Zhang, Shenzhen, CN;
San-you Wu, Shenzhen, CN;
Inventors:
Xiong Zhang, Shenzhen, CN;
San-you Wu, Shenzhen, CN;
Assignees:
AAC Acoustic Technologies (Shenzhen) Co., Ltd., Shenzhen, CN;
American Audio Components Inc., La Verne, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/00 (2006.01); H04R 9/08 (2006.01); H04R 7/04 (2006.01);
U.S. Cl.
CPC ...
H04R 9/024 (2013.01); H04R 7/04 (2013.01);
Abstract
A micro-speaker includes a frame, a yoke, a magnet, a diaphragm, and a voice coil. The yoke includes a base wall and a plurality of sidewalls defining a number of flat walls and a number of curved walls disposed at corners of the yoke. The flat walls define a number of first steps disposed at an upper level for engaging with the position blocks, the curved walls define a number of second steps disposed at a lower level for air leaking.