When was the Microphone invented?

The first microphone was invented by Emile Berliner in 1876. The microphones are the sensors or transducers which detect sound signals and convert them into electric signals. In various applications such as in telephones, tape recorders, television and radio broadcasting, hearing aids, karaoke systems, speech recognition, motion picture production etc the microphones are used.

micro wave

micro wave-inventor-Percy LeBaron Spencer

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