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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.
Jun 26, 2024 · 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.
Apr 24, 2024 · Born in 1873 in Council Bluffs, Iowa, Lee de Forest was an American inventor who is best known for his invention of the Audion tube, the first practical electronic amplifier. His work laid the groundwork for the development of all electronic media.
Jun 20, 2023 · Learn how Lee de Forest modified the Fleming valve to create the Audion, a three-terminal vacuum tube that enabled amplification, detection, and oscillation. Discover his contributions to radio, television, radar, and computing technologies in the early twentieth century.
Lee de Forest, 1873-1961, was an inventor and scholar who made significant contributions to the science of electronic communications during the first three decades of the Twentieth Century. He held numerous patents on the technology of radio, television and film.
May 14, 2018 · Learn about the life and achievements of Lee De Forest, the American physicist who invented the triode vacuum tube and contributed to radio and sound motion pictures. Find out his background, education, patents, awards, and controversies.
Learn about the life and inventions of Lee De Forest, an American inventor who created the Audion, a device that amplified and modulated electromagnetic signals. He also developed Phonofilm, a system of sound-on-film technology for motion pictures.
