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:
Jun. 07, 2016
Filed:
Dec. 30, 2011
Yu-bin Zha, Shenzhen, CN;
Xiong Zhang, Shenzhen, CN;
Yu-Bin Zha, Shenzhen, CN;
Xiong Zhang, Shenzhen, CN;
AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD., Shenzhen, CN;
AMERICAN AUDIO COMPONENTS INC., La Verne, CA (US);
Abstract
A speaker box includes a case includes an upper side and a lower side opposite to the upper side, an electroacoustic transducer received in the case and including a first pole plate with a plurality of first gaps for communicating with the magnetic gap, a second pole plate attached on a lower surface of the first pole plate. The second pole plate defines a second main member, a plurality of second auxiliary members extending from a periphery of the first main member, and a plurality of second gaps corresponding to the first gaps. Each of the second auxiliary members defines a longer auxiliary member and a shorter auxiliary member respectively.