HEINRICH RUDOLF HERTZ (1857 - 1894)
HEINRICH RUDOLF HERTZ (1857 - 1894)
HEINRICH RUDOLF HERTZ (1857 - 1894)
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<strong>HEINRICH</strong> <strong>RUDOLF</strong> <strong>HERTZ</strong><br />
(<strong>1857</strong> - <strong>1894</strong>)
SOME POSSIBILITIES OF ELECTRICITY<br />
Fortnightly Review, 1, 1892: pages 174-176.<br />
William Crookes<br />
(1832-1919<br />
1919 )<br />
Propuso las ondas EM para la telegrafía. Dio los tres requisitos<br />
fundamentales: transmisores fiables, receptores sintonizables<br />
sensibles y antenas direccionales
The Americans have need of the<br />
telephone, but we do not. We have<br />
plenty of messenger boys.<br />
Sir William Preece, chief<br />
engineer of the British Post Office,<br />
1876
Edouard Branly<br />
(1846 - 1940)
Augustus Righi is pictured here carrying out an<br />
experiment with electrical charges in the hall of<br />
the Physics Institute at the University of Bologna<br />
where he was a professor and an expert on<br />
Hertzian waves. Righi, who was a friend of the<br />
family first made Marconi aware of Hertzian<br />
waves (1900) .
Sir Oliver Joseph Lodge<br />
(1851 - 1940)
Aleksandr Stepanovich Popov<br />
(1859 - 1905)
Nikola Tesla<br />
(1856-1943)<br />
1943)
Sir John Ambrose Fleming<br />
(1849 – 1945)
Lee De Forest<br />
(1873<br />
– 1961)
Michael Idvorsky<br />
Pupin<br />
(1858 - 1935 )
l circuito de chispa no en la antena<br />
e transmisión (como Marconi) sino<br />
n otro circuito acoplado<br />
nductivamente con el de la antena.<br />
Professor<br />
Adolph Slaby<br />
(1849<br />
- 1913 )
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