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:
Nov. 29, 2016
Filed:
Dec. 31, 2015
Applicants:
Bin Cai, Shenzhen, CN;
Yunxia Xu, Shenzhen, CN;
Assignee:
AAC Technologies Pte. Ltd., Singapore, SG;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/28 (2006.01); H04R 7/14 (2006.01); H04R 9/06 (2006.01); H04R 1/02 (2006.01);
U.S. Cl.
CPC ...
H04R 1/2888 (2013.01); H04R 1/021 (2013.01); H04R 1/025 (2013.01); H04R 7/14 (2013.01); H04R 9/06 (2013.01);
Abstract
One embodiment of the invention discloses an acoustic device having a housing having an accommodating space with a sound hole formed thereon and communicating with the accommodating space; a speaker unit received in the accommodating space having a diaphragm including a first area away from the sound hole and a second area close to the through window; wherein, the diaphragm has a plurality of corrugations formed on the first area and the second area, respectively, and the amount of the corrugations on the first area is less than that on the second area.