Matches 1 - 5 out of 5


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US20070230722 Condenser microphone  
An electret condenser microphone (ECM) forms an air-gap capacitor structure in which an upper electrode and a lower electrode are opposed to each other with its hollow portion interposed...
US20140369534 SOUND PICKUP SYSTEM AND TERMINAL DEVICE USING THE SAME  
A sound pickup system is disclosed. The sound pickup system includes a screen, an accelerometer attached to the screen, and a pre-processing module electrically connecting with the accelerometer....
US20050180581 Integrated microphone array  
A microphone for detecting vibrations at two or more locations on a surface such as a body surface. The microphone comprises two or more vibration sensors, where each vibration sensor has a...
US20070086608 Bone-conduction microphone and method of manufacturing the same  
According to an embodiment of the present invention, a piezoelectric element composing a detecting part of a bone-conduction microphone is cantilevered by being mechanically pressed into an...
US20080085020 VIBRATION UNIT  
A vibration unit includes a sound ring and a membrane attached to the sound ring. The membrane includes a rim for attachment to a shell of an acoustic device, a convex-concave annular region, a...
Matches 1 - 5 out of 5