Historical Events tagged with "john ambrose fleming"
Turns out history loves a label—battles, breakthroughs, and the occasional disaster, all neatly tagged for your browsing pleasure. Because sometimes you just need every weird invention in one place.
John Ambrose Fleming Patents Thermionic Valve
John Ambrose Fleming received a patent for the thermionic valve, also known as the vacuum tube, on November 16, 1904. This invention marked a significant advancement in electronic technologies, enabling the amplification of electrical signals. The thermionic valve operates based on the principle of thermionic emission, where electrons are emitted from a heated cathode and collected by an anode, leading to remarkable developments in radio and early computing. The patent's approval was crucial for the evolution of electronic devices and telecommunications.
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