Solid state silicon-based condenser microphone: A solid state silicon-based condenser microphone comprising a silicon transducer chip. The transducer chip includes a backplate and a diaphragm arranged substantially parallel to each other with a small air gap in between, thereby forming an electr... more
|
Condenser microphone structure: Condenser microphone structure which comprises a microphone housing, a condenser microphone accommodated in the microphone housing to produce a sound signal indicative of a voice sound, first and second terminal connecters provided on the microphon... more
|
Hermetically sealed condenser microphone: Hermetically sealed condenser microphone including an outer sealing diaphragm hermetically sealing an electroacoustic transducer within a case from the outside environment. The sealing diaphragm passes sound undiminished through an underlying inter... more
|