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. 25, 2011
Filed:
Nov. 20, 2006
Applicants:
Minoru Horigome, Yamagata, JP;
Teruaki Kaiya, Yamagata, JP;
Yuichi Takahashi, Yamagata, JP;
Inventors:
Assignees:
Pioneer Corporation, Tokyo, JP;
Tohoku Pioneer Corporation, Tendo-shi, Yamagata, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/00 (2006.01); H04R 9/06 (2006.01); H04R 11/02 (2006.01); H04R 1/02 (2006.01); H04R 7/00 (2006.01); G10K 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
According to an embodiment of the invention, there is provided a speaker apparatus includes: a voice coil bobbin; and a diaphragm that is vibrated by the voice coil bobbin, the diaphragm including an edge portion at an outer circumference of the diaphragm, the edge portion including at least two ridge portions protruding forward.