Electromechanical sensors and Aktuator
Microphone is transduser electrical signal into sound. Microphone used in many instruments such as the telephone, tape recorder, hearing aids
Microphone term derived from the Greek meaning mikros and small phone, which means voice or sound. This term refers to the initial hearing aids for sound berintensitas low
The findings are very important practical microphone during the early development of the phone. Several inventors have created a primitive microphone before Alexander Graham Bell. The first commercially practical microphone was the carbon microphone found in October 1876 by Thomas Edison Alfa
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