Invention Grant
- Patent Title: Electret condenser microphone
- Patent Title (中): 驻极体电容麦克风
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Application No.: US12408156Application Date: 2009-03-20
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Publication No.: US08238587B2Publication Date: 2012-08-07
- Inventor: Hideo Yuasa , Hidenori Motonaga
- Applicant: Hideo Yuasa , Hidenori Motonaga
- Applicant Address: JP Yao-shi
- Assignee: Hosiden Corporation
- Current Assignee: Hosiden Corporation
- Current Assignee Address: JP Yao-shi
- Agency: Kratz, Quintos & Hanson, LLP
- Priority: JP2008-115255 20080425
- Main IPC: H04R25/00
- IPC: H04R25/00
Abstract:
The present invention provides an electret condenser microphone including a diaphragm, a frame adapted to affix the diaphragm to, and a backplate positionable inside the frame and opposite the diaphragm with a space reserved therebetween.
Public/Granted literature
- US20090268930A1 ELECTRET CONDENSER MICROPHONE Public/Granted day:2009-10-29
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