Invention Grant
- Patent Title: Microphone unit and method of manufacturing the same
- Patent Title (中): 麦克风单元及其制造方法
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Application No.: US12433466Application Date: 2009-04-30
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Publication No.: US08218796B2Publication Date: 2012-07-10
- Inventor: Fuminori Tanaka , Ryusuke Horibe , Takeshi Inoda , Rikuo Takano , Kiyoshi Sugiyama , Toshimi Fukuoka , Masatoshi Ono
- Applicant: Fuminori Tanaka , Ryusuke Horibe , Takeshi Inoda , Rikuo Takano , Kiyoshi Sugiyama , Toshimi Fukuoka , Masatoshi Ono
- Applicant Address: JP Osaka JP Osaka
- Assignee: Funai Electric Advanced Applied Technology Research Institute Inc.,Funai Electric Co., Ltd.
- Current Assignee: Funai Electric Advanced Applied Technology Research Institute Inc.,Funai Electric Co., Ltd.
- Current Assignee Address: JP Osaka JP Osaka
- Agency: Osha • Liang LLP
- Main IPC: H04R25/00
- IPC: H04R25/00
Abstract:
A microphone unit includes a substrate. The substrate includes a first face formed with a first recess, a second face opposite to the first face, and a through hole communicating the second face to a bottom part of the first recess. A diaphragm unit includes a diaphragm, and at least a part of which is disposed in the first recess so that the diaphragm opposes the through hole.
Public/Granted literature
- US20090274324A1 MICROPHONE UNIT AND METHOD OF MANUFACTURING THE SAME Public/Granted day:2009-11-05
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