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The inventor of the microphone has a birthday party: Emile Berliner - LOC's Public Domain Archive Public Domain Search
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James Edward Maceo West – Electret Microphone Inventor – African American History Month 2015 #BlackHistoryMonth « Adafruit Industries – Makers, hackers, artists, designers and engineers!
![File:Inventor of microphone to receive Franklin Gold Medal. On May 15th, Emile Berliner, Washington Scientist, will appear for the third time (...) the Franklin Institute of Philadelphia, this LCCN2016889301.jpg - Wikimedia Commons File:Inventor of microphone to receive Franklin Gold Medal. On May 15th, Emile Berliner, Washington Scientist, will appear for the third time (...) the Franklin Institute of Philadelphia, this LCCN2016889301.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/f/f4/Inventor_of_microphone_to_receive_Franklin_Gold_Medal._On_May_15th%2C_Emile_Berliner%2C_Washington_Scientist%2C_will_appear_for_the_third_time_%28...%29_the_Franklin_Institute_of_Philadelphia%2C_this_LCCN2016889301.jpg/464px-thumbnail.jpg)
File:Inventor of microphone to receive Franklin Gold Medal. On May 15th, Emile Berliner, Washington Scientist, will appear for the third time (...) the Franklin Institute of Philadelphia, this LCCN2016889301.jpg - Wikimedia Commons
![Speakers & Microphones Mark Koh and Mike Renz. The Technology Speaker - an electroacoustic transducer that produces sound in response to an electrical. - ppt download Speakers & Microphones Mark Koh and Mike Renz. The Technology Speaker - an electroacoustic transducer that produces sound in response to an electrical. - ppt download](https://images.slideplayer.com/5/1518354/slides/slide_6.jpg)