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:
Mar. 22, 2016

Filed:

May. 26, 2014
Applicants:

Bin Cai, Shenzhen, CN;

Yunxia Xu, Shenzhen, CN;

Inventors:

Bin Cai, Shenzhen, CN;

Yunxia Xu, Shenzhen, CN;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 9/02 (2006.01); H04R 31/00 (2006.01); H04R 9/06 (2006.01); H04R 1/06 (2006.01);
U.S. Cl.
CPC ...
H04R 9/06 (2013.01); H04R 1/06 (2013.01); H04R 9/02 (2013.01); H04R 31/006 (2013.01); H04R 2400/11 (2013.01);
Abstract

A miniature speaker is disclosed. The miniature 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 an elastic arm, and a latch located at a position between two ends of the elastic arm. Corresponding to the latch, the frame includes a protrusion engaging with the latch for restricting the upward movement of the elastic arm.


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