The history of telecommunications
| History tlc |
| History telegraph |
| History telephone |
| TV history |
| History components |
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The history of telecommunications |
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Glossary | Scientists |
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| By Sergio Arienti ® | |
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| Historical Timeline of technical development of radio | |||||||||
| RADIO |  |
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| 1864 | |
Theory of electromagnetic waves | James Clerk Maxwell | |
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| 1884 | |
Detector of electromagnetic waves (coherer) | Temistocle Calzecchi Onesti | |
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| 1887 | Experimentation electromagnetic waves | Heinrich Rudolph Hertz | |
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| 1888 | |
Detector of electromagnetic waves (coherer) | Désiré Edouard Branly | |
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| 1895 | Wireless Telegraphy | Guglielmo Marconi | |
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| 1898 | |
Detector of electromagnetic waves (coherer) | Oliver Joseph Lodge | |
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| 1901 | |
Detector crystal of Galena (diode to galena) | Jagadis Chunder Bose | |
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| 1904 | |
Diode | John Ambrose Fleming | |
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| 1906 | Detector crystal silicon | Greenleaf Whittier Pickard | |
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| 1906 | Detector crystal of carborundum | Henry Harrison Chase Dunwoody | |
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| 1906 | Radio AM ( AMPLITUDE MODULATION) | Reginald
Aubrey Fessenden
Lee De Forest |
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| 1906 | |
Amplifier -Triode (audion) | Lee De Forest | |
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| 1913 | Circuits regeneration or Receiver jet | Edwin Howard Armstrong | |
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| 1918 | |
Superheterodine | Lucien Levy | |
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| 1933 | Radio FM ( FREQUENCY MODULATION) | Edwin Howard Armstrong | |||