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:
Aug. 25, 2009
Filed:
Mar. 07, 2007
Tsung-lung Yang, Taipei Hsien, TW;
Hsien-sheng Pei, Taipei Hsien, TW;
Tsung-Lung Yang, Taipei Hsien, TW;
Hsien-Sheng Pei, Taipei Hsien, TW;
Foxconn Technology Co., Ltd., Tu-Cheng, Taipei Hsien, TW;
Abstract
An electronic product () includes a casing () containing a speaker set () therein. The speaker set includes a hollow shell () and a loudspeaker (). The loudspeaker is accommodated in the shell, dividing an inner space of the shell into a first resonance chamber () and a second resonance chamber (). The loudspeaker includes first tone holes () communicating with the first resonance chamber and second tone holes () communicating with the second resonance chamber. The first resonance chamber communicates with the second resonance chamber via at least an inverted tube ().