Invention Grant
- Patent Title: Microphone with adjustable characteristics
- Patent Title (中): 麦克风具有可调特性
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Application No.: US13264751Application Date: 2010-04-15
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Publication No.: US09107008B2Publication Date: 2015-08-11
- Inventor: Stefan Leitner
- Applicant: Stefan Leitner
- Applicant Address: MY Pulau Pinang
- Assignee: Knowles IPC(M) SDN BHD
- Current Assignee: Knowles IPC(M) SDN BHD
- Current Assignee Address: MY Pulau Pinang
- Agency: Dykema Gossett PLLC
- Agent Steven McMahon Zeller
- Priority: EP09157977 20090415
- International Application: PCT/IB2010/051634 WO 20100415
- International Announcement: WO2010/119415 WO 20101021
- Main IPC: H04R9/08
- IPC: H04R9/08 ; H04R1/08 ; H04R19/04 ; H04R1/22 ; H04R25/00 ; H04R19/00
Abstract:
A microphone comprises a movable diaphragm 2 and a back electrode 4. The mechanical relationship between the back electrode 4 and the diaphragm 2 is adjustable thereby to control the cut-off frequency of the microphone. This enables the microphone to be adapted to different noise environments.
Public/Granted literature
- US20120033831A1 Microphone with Adjustable Characteristics Public/Granted day:2012-02-09
Information query
