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:
Apr. 11, 2017
Filed:
Dec. 24, 2014
Applicants:
Changliang Wang, Shenzhen, CN;
Biming Zhang, Shenzhen, CN;
Inventors:
ChangLiang Wang, Shenzhen, CN;
BiMing Zhang, Shenzhen, CN;
Assignee:
AAC TECHNOLOGIES PTE. LTD., Singapore, SG;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 31/00 (2006.01); H04R 9/02 (2006.01); H04R 9/06 (2006.01);
U.S. Cl.
CPC ...
H04R 31/006 (2013.01); H04R 9/025 (2013.01); H04R 9/06 (2013.01);
Abstract
A sound transducer is disclosed. The sound transducer includes a plastic frame having a cavity and a wall surrounding the cavity, the wall having an inside surface face toward the cavity and an outside surface opposite to the inside surface, a number of sinks disposed on the inside surface of the plastic frame in a row, a yoke located in the cavity and including a sidewall for contacting with the plastic frame, a gap formed by the sink cooperatively with the sidewall of the yoke, and bonding adhesive located in the gap for fixing the yoke in the frame firmly.