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This product was invented by the electrical engineer John Ambrose Fleming in the early 20th century. It was previously experimented with by well known inventors such Edison and Tesla, but Fleming was the first to perfect it.
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∙ 10y ago
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Was there a raidio invented in 1940s?
Yes, the crosley tube radio
How did lee deforest help the radio?
he invented the tube that made the radio i am payne stewart deforest
Who invented the triode?
In 1906 Lee De Forest, an American engineer (often called the "father of radio"), invented the three-element vacuum tube, or triode.
Who invented diode and when?
The first diode was the Galena Cats Whisker. It was invented shortly after the development of radio, but I'm not sure by who.Fleming's vacuum tube diode came shortly afterwards.
When did guglielmo marconi invented the radio?
Marconi was 20 when he invented the radio.
Who invented the first test tube?
John Flamsteed invented the first test tube.
When was the electron tube invented?
Lee De Forest invented the electron tube in 1906.
Who invented the radio in which year?
jamie ranson invented the radio in 1954
Was the radio invented by the Italians?
yes gugelimo marconi invented the radio
When was the car radio invented?
The first car radio was invented in 1929.
Were was the first radio invented?
the first radio was invented in 1896 by guglielmo marconi
Who first invented the cathode ray tube?
The cathode ray tube was invented in 1897 by Ferdinand Braun.
