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:
Jul. 11, 2017
Filed:
Dec. 31, 2015
Applicants:
Yunxia Xu, Shenzhen, CN;
Bin Cai, Shenzhen, CN;
Assignee:
AAC TECHNOLOGIES PTE. LTD., Singapore, SG;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04R 9/02 (2006.01); H04R 1/02 (2006.01); H04R 1/28 (2006.01); G10K 11/00 (2006.01); H04R 9/04 (2006.01);
U.S. Cl.
CPC ...
H04R 9/025 (2013.01); G10K 11/002 (2013.01); H04R 9/045 (2013.01); H04R 1/021 (2013.01); H04R 1/025 (2013.01); H04R 1/2888 (2013.01); H04R 2209/022 (2013.01); H04R 2209/024 (2013.01);
Abstract
One embodiment of the invention discloses an acoustic device having a housing including a receiving space and a sound hole communicating with the receiving space; a vibration unit received in the receiving space; a magnetic circuit unit driving the vibration unit to vibrate; wherein, the vibration unit includes a first part away from the sound hole and a second part close to the sound hole; and the first part is driven by a higher magnetic force generated by the magnetic circuit unit than the second part.