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  1. Lee de Forest (August 26, 1873 – June 30, 1961) was an American inventor, electrical engineer and an early pioneer in electronics of fundamental importance. He invented the first practical electronic amplifier, the three-element "Audion" triode vacuum tube in 1906.

  2. Há 6 dias · Lee de Forest was an American inventor of the Audion vacuum tube, which made possible live radio broadcasting and became the key component of all radio, telephone, radar, television, and computer systems before the invention of the transistor in 1947.

  3. lemelson.mit.edu › resources › lee-deforestLee DeForest | Lemelson

    Lee De Forest (1873-1961) invented the device that made wireless radio broadcasting practicable: the "triode" or "audion" amplifier. At Yale University, De Forest helped pay his tuition with his mechanical and gaming inventions.

  4. Lee De Forest (Council Bluffs, 26 de agosto de 1873 — Hollywood, 30 de junho de 1961) foi um físico e inventor estadunidense.

  5. 8 de out. de 2021 · Over the course of his lifetime, Lee De Forest patented over 300 inventions, but only one proved to be successful and ultimately earned him the title as one of the “fathers of radio.” De Forest invented the Audion in 1906, a device that changed the course of radio history in the 19 th century.

  6. American inventor Lee De Forest was a pioneer of radio and motion pictures. He received more than 300 patents over the course of his lifetime, the most important of which was for a three-electrode vacuum tube, or triode, he called the Audion.

  7. 20 de jun. de 2023 · A scholar, researcher, and tireless inventor, Lee de Forest made a seemingly small modification to vacuum-tube technology. The repercussions in the incipient electronics industry were immense. Audiophiles, I’ve been told, appreciate vacuum tubes.