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:
Jan. 11, 2005
Filed:
Jun. 06, 2001
Kenji Fukazawa, Saitama, JP;
Tomohiko Kamimura, Habikino, JP;
Satoru Fujiwara, Izumi, JP;
Naoya Fujimoto, Yao, JP;
Kenji Fukazawa, Saitama, JP;
Tomohiko Kamimura, Habikino, JP;
Satoru Fujiwara, Izumi, JP;
Naoya Fujimoto, Yao, JP;
NEC Corporation, Tokyo, JP;
Hosiden Corporation, Yao, JP;
Abstract
The present invention relates to an electric acoustic converter used as a speaker or a receiver of a mobile communication device such as a portable telephone or the like. In the electric acoustic converter according to the present invention, the size reduction and thinning of the thickness of the electric acoustic converter can be promoted by providing surface-like rear surface terminals 81 and 82 on the exposed surface 33 which is a rear surface of the yoke 3.