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  1. Lee De Forest (Council Bluffs, 26 de agosto de 1873 — Hollywood, 30 de junho de 1961) foi um físico e inventor estadunidense. Carreira [ editar | editar código-fonte ] Forest foi um físico que pesquisou componentes e aparelhos dedicados para a gravação e reprodução de sons , assim como instrumentos de aplicação nos campos ...

  2. Lee de Forest (August 26, 1873 – June 30, 1961) was an American inventor and a fundamentally important early pioneer in electronics. He invented the first practical electronic amplifier , the three-element " Audion " triode vacuum tube in 1906.

  3. Lee de Forest (born August 26, 1873, Council Bluffs, Iowa, U.S.—died June 30, 1961, Hollywood, California) 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.

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

    Learn about Lee DeForest, the \"Father of Radio\", who invented the triode or audion tube that made wireless radio broadcasting possible. Explore his biography, patents, and achievements in computing and telecommunications.

  5. Lee De Forest, (born Aug. 26, 1873, Council Bluffs, Iowa, U.S.—died June 30, 1961, Hollywood, Calif.), U.S. inventor. He had invented many gadgets by age 13, including a working silverplating apparatus. After earning a Ph.D. from Yale University, he founded the De Forest Wireless Telegraph Co. (1902) and the De Forest Radio Telephone Co. (1907).

  6. 14 de mai. de 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.

  7. 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.

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