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. 16, 2012
Filed:
Jun. 11, 2010
Applicants:
Tomohiko Kamimura, Yao, JP;
Hideo Yuasa, Yao, JP;
Inventors:
Tomohiko Kamimura, Yao, JP;
Hideo Yuasa, Yao, JP;
Assignee:
Hosiden Corporation, Yao-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a speaker in which a damper is effectively added without impairing the thinness of the speaker, and which, although the speaker is thin and small, exhibits high withstand input and high output power performances. A damper () is disposed between the lower end of a voice coil bobbin () and a magnet () of a magnetic circuit (), and supports a vibration system () in a manner that the system is vibratable with respect to the magnet ().