Sir John Ambrose Fleming (29 November 1849 – 18 April 1945) was an English electrical engineer and physicist who invented the vacuum tube, designed the...

politician and businessman Ambrose Gaines IV (born 1959), American swimmer better known as Rowdy Gaines John Ambrose Fleming (1849–1945), English electrical...

The Fleming valve, also called the Fleming oscillation valve, was a thermionic valve or vacuum tube invented in 1904 by English physicist John Ambrose Fleming...

Fleming's right-hand rule for generators. They were originated by John Ambrose Fleming, in the late 19th century, as a simple way of working out the direction...

engineer John Ambrose Fleming, who invented them. An equivalent version of Fleming's right-hand rule is the left-hand palm rule. Fleming's left-hand...

tube. The simplest vacuum tube, the diode (i.e. Fleming valve), was invented in 1904 by John Ambrose Fleming. It contains only a heated electron-emitting...

the phenomenon for use in a DC voltmeter. About 20 years later, John Ambrose Fleming (scientific adviser to the Marconi Company and former Edison employee)...

Fleming, American historian John Fleming (naturalist) (1785–1857), Scottish naturalist John Adam Fleming, American physicist John Ambrose Fleming, English...

John Fleming may refer to: John Fleming (14th-century MP) for Rochester John Fleming, 1st Earl of Wigtown (1567–1619), Scottish aristocrat and diplomat...

first practical method for telegraphy. 1905: The Englishman Sir John Ambrose Fleming invents the first electron tube. 1906 Robert von Lieben patented...

1904, the English physicist John Ambrose Fleming invented the two-electrode vacuum-tube rectifier, which he called the Fleming oscillation valve. for which...

16 H. W. Beecher, 16 William Dunkerley, 16 Christian Bovee, 17 John Ambrose Fleming, 18 G. A. Sala, 18 Marcus Antonius, 18 South, 19 Johann Lavater,...

will later become known as Crohn's disease. Vacuum tube invented by John Ambrose Fleming. James H. Jeans's The Dynamical Theory of Gases is published in Cambridge...

amplifying vacuum tubes revolutionized radio receivers and transmitters. John Ambrose Fleming developed a vacuum tube diode. Lee de Forest placed a screen, added...

vacuum tube used in radio was the thermionic diode or Fleming valve, invented by John Ambrose Fleming in 1904 as a detector for radio receivers. It was an...

needle dipping into a cup of dilute acid. The same year John Ambrose Fleming invented the Fleming valve or thermionic diode which could also rectify an...

emission. The first true electronic vacuum tubes, invented in 1904 by John Ambrose Fleming, used this hot cathode technique, and they superseded Crookes tubes...

The Ambrose Fleming Medal for Information and Communications was first awarded in 2007 to Professor Simon Kingsley. It was named after John Ambrose Fleming...

kind of vacuum tube, was invented in 1904 by the English physicist John Ambrose Fleming. He developed a device that he called an "oscillation valve," because...

standards, author and editor Gerhard Fischer Handheld metal detector John Ambrose Fleming Inventor of the thermionic valve (vacuum tube) Tommy Flowers Designer...

occasionally used to refer to thermionic emission itself. British physicist John Ambrose Fleming, working for the British Wireless Telegraphy Company, discovered...

rectification. The simplest vacuum tube, the diode invented in 1904 by John Ambrose Fleming, contains only a heated electron-emitting cathode and an anode. Electrons...

the lengths of the sides of a right angle triangle) developed by John Ambrose Fleming in 1889. Impedances could thus be added vectorially. Kennelly realised...

valve (named diode because it had two electrodes) was invented by John Ambrose Fleming while working for the Marconi Company in London in 1904. The diode...

first high power radio transmitter in the world, Marconi hired Prof. John Ambrose Fleming, University College, London. The original twenty mast circular aerial...

vacuum cleaner Michael Faraday (1791–1867), electric transformer John Ambrose Fleming (1848–1945), vacuum diode Tommy Flowers (1905–1998), Colossus computer...

William Henry Bragg The World of Sound 1920 John Arthur Thomson The Haunts of Life 1921 John Ambrose Fleming Electric Waves and Wireless Telephony 1922...

and the restoration process was difficult to control. In 1904, John Ambrose Fleming invented the thermionic diode, the first kind of vacuum tube. This...

operation was facilitated by the invention of the vacuum tube in 1904 by John Ambrose Fleming. At the same time that digital calculation replaced analog, purely...

scientists and engineers. They include: J. J. Thomson - for electronics John Ambrose Fleming - for communications R. E. B. Crompton - for energy Oliver Heaviside...