Year |
Inventor |
Type of communication/Contribution |
1844 |
Samuel Morse |
Telegraph |
1864 |
James Clerk |
Electromagnetic wave |
1867 |
Hertz |
Experimental verification of EM |
1894 |
Oliver Lodge |
Demonstrated wireless communication in short distance |
1901 |
Guglielmo Marcon |
Long distance radio communication |
1918 |
Edwin H. Armstrong |
Super heterodyne receiver |
1933 |
Edwin H. Armstrong |
frequency modulation |
1857 |
Alexander Graham Bell |
Telephone |
1904 |
John Ambrose Fleming |
vacuum-tube diode |
1948 |
Walter H. Brattain, John Bardeen, and William Shockley |
Transistor |
1928 |
Philo T. Farnsworth |
Television |
1939 |
the British Broadcasting Corporation (BBC) |
broadcasting television on a commercial basis |
1928 |
Harry Nyquist |
Nyquiast cretriea for faith signal transmission |
1937 |
Alex Reeves |
pulse-code modulation |
1948 |
Claude Shannon |
A Mathematical Theory of Communication |
1955 |
John R. Pierce |
satellites for communications |
1966 |
K. C. Kao and G. A. Hockham |
Optical Communication |
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