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. 12, 2004
Filed:
Dec. 03, 2002
Takashi Yamasaki, Tokyo, JP;
Kenichi Kidokoro, Tokyo, JP;
Rion Co., Ltd., Tokyo, JP;
Abstract
An electroacoustic transducer comprises a carrier portion, a diaphragm supported by the carrier portion, an electrode portion opposed to the diaphragm at a predetermined interval, and a housing accommodating the diaphragm and the electrode portion, wherein the carrier portion has a saucer-like shape, at the bottom surface of which a plurality of upstanding posts are provided, and wherein the upper surface of the periphery of the carrier portion and the upper end surfaces of the posts are in the same plane, the diaphragm is bonded to the surface of the periphery of the carrier portion and the end surfaces of the posts, and the electrode portion is fixed to the end surfaces of the posts which are covered by the diaphragm with spacers interposed therebetween.