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. 22, 2013
Filed:
Jul. 16, 2009
Takeshi Inoda, Daito, JP;
Ryusuke Horibe, Daito, JP;
Fuminori Tanaka, Daito, JP;
Rikuo Takano, Daito, JP;
Kiyoshi Sugiyama, Mitaka, JP;
Toshimi Fukuoka, Yokohama, JP;
Masatoshi Ono, Tsukuba, JP;
Takeshi Inoda, Daito, JP;
Ryusuke Horibe, Daito, JP;
Fuminori Tanaka, Daito, JP;
Rikuo Takano, Daito, JP;
Kiyoshi Sugiyama, Mitaka, JP;
Toshimi Fukuoka, Yokohama, JP;
Masatoshi Ono, Tsukuba, JP;
Funai Electric Co., Ltd., Daito-shi, JP;
Funai Electric Advanced Applied Technology Research Institute Inc., Daito-shi, JP;
Abstract
Provided is a microphone unit having flat frequency characteristics. A microphone unit includes a casing, a first substrate, a second substrate, a vibrating unit, a diaphragm, an ASIC, and a dummy component. The dummy component is attached to the substrate to be located below an opening.