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First time phrase, "microphone" is used by Sir Charles Wheatstone
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Emile Berliner invented the first microphone used as a telephone voice transmitter
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In 1878, the carbon microphone was invented by David Edward Hughes
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With the invention of the radio, new broadcasting microphones were created. The ribbon microphone was invented in 1942 for radio broadcasting.
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In 1964, Bell Laboratories researchers James West and Gerhard Sessler received patent no. 3,118,022 for the electroacoustic transducer, an electret microphone.
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During the 1970's, dynamic and condenser mics were developed, allowing for a lower sound level sensitivity and a clearer sound recording.