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. 10, 2016
Filed:
Oct. 28, 2014
Applicants:
Yi Shao, Shenzhen, CN;
Haifei Huang, Shenzhen, CN;
Yunxia Xu, Shenzhen, CN;
Inventors:
Assignee:
AAC Technologies Pte. Ltd., Singapore, SG;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04R 9/06 (2006.01); H04R 1/00 (2006.01); H04R 7/00 (2006.01); H04R 9/10 (2006.01); H04R 1/24 (2006.01); H04R 9/02 (2006.01);
U.S. Cl.
CPC ...
H04R 1/00 (2013.01); H04R 1/24 (2013.01); H04R 7/00 (2013.01); H04R 9/025 (2013.01); H04R 9/063 (2013.01); H04R 9/10 (2013.01); H04R 2209/026 (2013.01); H04R 2499/11 (2013.01);
Abstract
A micro-speaker is disclosed. The micro-speaker includes a frame, a magnetic circuit unit in the frame, a first vibration unit, and a second vibration unit. The magnetic circuit unit forms a first volume cooperatively with the first vibration unit, and a second volume cooperatively with the second vibration unit. The magnetic circuit unit further includes an aperture for communicating the first volume with the second volume for enabling the first vibration unit in phase with the second vibration unit.