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. 15, 2010
Filed:
Mar. 25, 2004
Applicant:
Hiroshi Kubota, Hyogo, JP;
Inventor:
Hiroshi Kubota, Hyogo, JP;
Assignee:
TOA Corporation, Kobe-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10K 11/02 (2006.01); G10K 11/08 (2006.01); G10K 11/18 (2006.01); H04R 1/30 (2006.01); G10K 11/00 (2006.01); H04R 1/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sound wave guide structure for a speaker system comprises a sound passage space connecting an inlet openingto an outlet opening. The sound passage space branches in plural stages in a range from the inlet openingto the outlet opening, thereby forming a plurality of sound wave guide paths extending from the inlet openingto the outlet opening