The microphone in the early 1900s
- The condenser microphone was patented by EC Wente in 1916
- The RCA company developed the first ribbon microphone used for radio broadcasting in 1920
- Georg Neumann designed the first commercial condenser microphone in 1928
- The first dynamic microphone was marketed by Western Electric in 1931
- A patent was filed for the first wireless microphone by Raymond A Litke in 1957
- The first uni-directional microphone device was a new level of design that collects sound from the top of the microphone in 1959.
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