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.

Date of Patent:
Sep. 29, 2015

Filed:

Oct. 30, 2014
Applicants:

Yunxia Xu, Shenzhen, CN;

Bin Cai, Shenzhen, CN;

Inventors:

Yunxia Xu, Shenzhen, CN;

Bin Cai, Shenzhen, CN;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/02 (2006.01); H04R 1/00 (2006.01); H04R 7/04 (2006.01);
U.S. Cl.
CPC ...
H04R 1/00 (2013.01); H04R 7/04 (2013.01);
Abstract

A micro-speaker is disclosed. The micro-speaker includes a frame, a magnetic circuit received in the frame, a voice coil partially received in the magnetic circuit, a diaphragm connected to the voice coil, and a contact fixed by the frame for electrically connecting the voice coil to an external circuit. The contact includes a base plate, a first and second connecting plates respectively connected to both ends of the base plate and formed an engaging space by connecting them in order. Corresponding to the contact, the frame includes a sidewall and a protrusion formed on the sidewall. The engaging space receives and engages with the sidewall and the second plating plate engages with the protrusion for mounting the contact on the frame firmly without soldering.


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