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  1. 24 de abr. de 2024 · Lee de Forest revolutionized electronic communication with his invention of the Audion tube, the first practical electronic amplifying device. This breakthrough laid the foundation for radio, television, and countless other technologies, shaping the 20th century’s electronic revolution. His contributions extend to signal modulation, early ...

  2. Lee de Forest (1873-1961) fue un ingeniero eléctrico e inventor estadounidense. Inventó el tríodo y el amplificador de audiofrecuencia e impulsó el desarrollo de la telegrafía sin hilos y la radiodifusión. Llegó a patentar más de 300 inventos distintos. Inventor de la válvula triodo de vacío que consiste básicamente en un tubo ...

  3. Lee De Forest died in Hollywood on July 1, 1961, aged 87 and was interred in San Fernando Mission Cemetery in Los Angeles, California. He died as a poor man with just $1,250 in his bank account at the time of his death. The American inventor and electrical engineer, Lee De Forest is credited for inventing the Audion, a vacuum tube that takes ...

  4. 3 de fev. de 2016 · De Forest eventually arrived at Yale and remained there until he received a doctorate in physics for his work on radio waves. De Forest’s first job was at Western Electric in Chicago. He worked his way up to the experimental laboratory and developed a few modestly successful inventions, which spurred him to move to New York and start the De Forest Wireless Telegraph Company in 1902.

  5. Lee De Forest (Council Bluffs, 26 agosto 1873 – Hollywood, 30 giugno 1961) è stato uno scienziato, inventore, regista, anche produttore cinematografico e direttore della fotografia statunitense. Brevettò più di trecento invenzioni nel campo della telegrafia , telefonia , della radio, del cinema sonoro e della televisione .

  6. 2024 Field Day Pics Breakfast Fundraiser Pics NEW Lee DeForest Radio Club Swap Net Sunday’s at 7pm. This net is on the LDARC 2M Club repeater @ 145.420mhz. Bands & Modes Monthly HF Contest Announcements Nets Notes Winter Field Day … Continue reading →

  7. 17 de nov. de 2020 · Autodescrito como el “padre de la radio” , Lee De Forest fue un prolífico inventor que estudió ingeniería en Yale. Sus experimentos en la radiodifusión inalámbrica dieron como resultado sus inventos del respondedor de chispa y el tubo de tres elementos ( Audion ), que usaba un oscilador . El Audion fue la base de la tecnología ...