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:
May. 10, 2016
Filed:
Nov. 25, 2011
Yasuharu Onishi, Kanagawa, JP;
Yuichiro Kishinami, Kanagawa, JP;
Jun Kuroda, Kanagawa, JP;
Yukio Murata, Kanagawa, JP;
Shigeo Satou, Kanagawa, JP;
Motoyoshi Komoda, Kanagawa, JP;
Nobuhiro Kawashima, Kanagawa, JP;
Tatsuya Uchikawa, Kanagawa, JP;
Yasuharu Onishi, Kanagawa, JP;
Yuichiro Kishinami, Kanagawa, JP;
Jun Kuroda, Kanagawa, JP;
Yukio Murata, Kanagawa, JP;
Shigeo Satou, Kanagawa, JP;
Motoyoshi Komoda, Kanagawa, JP;
Nobuhiro Kawashima, Kanagawa, JP;
Tatsuya Uchikawa, Kanagawa, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
An oscillation device (electro-acoustic transducer ()) includes an oscillation element () that has a vibrating member () and a piezoelectric element () that is attached to one surface of the vibrating member (). The oscillation device includes a sheet-shaped waterproof member () that is constituted by a waterproof material. The oscillation device includes a frame-shaped supporting member () that holds an outer peripheral portion of the vibrating member () and an outer peripheral portion of the waterproof member () so that the waterproof member () and the oscillation element () face each other. The oscillation device includes a connection member () that partially connects mutual opposed surfaces of the oscillation element () and the waterproof member ().