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:
Oct. 08, 2013
Filed:
May. 11, 2006
Applicant:
Teppei Yokota, Chiba, JP;
Inventor:
Teppei Yokota, Chiba, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04R 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sound reproduction system includes low frequency speaker units for reproducing low frequency sounds by receiving audio signals on low frequency channels among a plurality of channels, and a holder for holding the low frequency speaker units so as to be disposed in the vicinity of both ears of a listener without being mounted on baffle boards so that sounds from front and back surfaces of diaphragms of the low frequency speaker units are added.