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:
Feb. 05, 2008
Filed:
Feb. 27, 2006
Applicants:
Minoru Horigome, Yamagata, JP;
Hiroshi Sato, Yamagata, JP;
Inventors:
Minoru Horigome, Yamagata, JP;
Hiroshi Sato, Yamagata, JP;
Assignees:
Pioneer Corporation, Tokyo, JP;
Tohoku Pioneer Corporation, Yamagata, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 7/26 (2006.01); H04R 9/06 (2006.01); H04R 11/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A speaker according to the present invention is equipped with a diaphragm having a central portion of a dome shape and an edge portion formed on an outer periphery thereof. Further, the speaker has also a frame attached with an outermost fringe of the edge portion and a damper member provided inside the central portion to support the central portion. The damper member supports an inner side surface of a voice coil bobbin also, so that a voice coil can be adequately positioned within a magnetic gap.