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:
Dec. 13, 2011
Filed:
May. 21, 2008
Applicant:
Hiroki Ishii, Osaka, JP;
Inventor:
Hiroki Ishii, Osaka, JP;
Assignee:
Funai Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A duct that includes a pair of rib walls which are formed unitarily with a rear cabinet in such a manner that the rib walls face with other in the up and down direction. The duct serves as an air flow passage that extends from a rear-open portion of a speaker box and through which air flow produced by vibration of a speaker body passes. A heat radiating portion of a heat sink is disposed in the duct.