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Hilda Ericsson
Homer Dudley
Thomas Edison
Early telephone innovator
Thomas A. Edison, Inc. · Western Union | Associates: Reginald Fessenden, Ezra Gilliland, J. P. Morgan, William Orton, George May Phelps, Tivadar Puskás, Charles Williams, Jr.
1878
Thomas Alva Edison (February 11, 1847 – October 18, 1931) was an American inventor and businessman. He developed many devices in fields such as electric power generation, sound recording, and motion pictures. These inventions, which include the phonograph, the motion picture camera, and early versions of the electric light bulb, have had a widespread impact on the modern industrialized world. He was one of the first inventors to apply the principles of organized science and teamwork to the process of invention, working with many researchers and employees. He established the first industrial… More on Wikipedia →
Timeline events (10)
Related concepts (5)
Acoustic telegraphy
Acoustic telegraphy (also known as harmonic telegraphy) was a name for various methods of multiplexing (transmitting more than one) telegraph messages simultaneously over…
Carbon microphone
The carbon microphone, also known as carbon button microphone, button microphone, or carbon transmitter, is a type of microphone, a transducer that converts sound to an e…
Quadruplex telegraph
The Quadruplex telegraph is a type of electrical telegraph which allows a total of four separate signals to be transmitted and received on a single wire at the same time.…
Thermionic emission
Thermionic emission is the liberation of charged particles from a hot electrode whose thermal energy gives some particles enough kinetic energy to escape the material's s…
Ticker tape
Ticker tape was the earliest electrical dedicated financial communications medium, transmitting stock price information over telegraph lines, in use from around 1870 to 1…