Lee de Forest - Wikipedia
WEBLee 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. This helped start the Electronic Age, and enabled the development of the electronic oscillator.
Lee de Forest | American Inventor & Radio Pioneer | Britannica
WEBLee 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.
Lee De Forest - Biography, Facts and Pictures - Famous Scientists
WEBThe American inventor and electrical engineer, Lee De Forest is credited for inventing the Audion, a vacuum tube that takes moderately weak electrical signals and amplifies them. The device helped AT&T establish a coast-to-coast phone service, and it was also used in everything from radios to televisions to the first computers.
Lee DeForest | Lemelson
WEBLee 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. He narrowed his focus to radio when he began working on his PhD, which he received in 1899.
Lee De Forest | Encyclopedia.com
WEBMay 14, 2018 · The American inventor Lee De Forest (1873-1961) pioneered in radio, both in developing broadcasting and in inventing the audion. He is considered one of the fathers of radio. Lee De Forest was born in Council Bluffs, …
Lee De Forest summary | Britannica
WEBLee 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).
A Science Odyssey: People and Discoveries: Lee de Forest - PBS
WEBThroughout his tumultuous life -- many failed businesses, ongoing lawsuits, patent applications, and four marriages -- de Forest promoted radio and later television as a way to raise Americans...
Lee De Forest - Engineering and Technology History Wiki - ETHW
WEBFeb 3, 2016 · Lee De Forest. Birthdate. 1873/08/26. Death date. 1961/06/30. Associated organizations. Western Electric. Fields of study. Radio. Awards. IRE Medal of Honor, AIEE Edison Medal. President of IRE. 1930. Lee de Forest, IRE President, 1930, patented the Audion, which is a three element vacuum tube that was a sensitive wireless receptor, in …
Lee De Forest - PBS
WEBLee De Forest. 1873-1961. Lee De Forest invented the audion, a vacuum tube device that could take a weak electrical signal and amplify it into a larger one. The audion helped AT&T set up coast-to ...
Lee de Forest.org
WEBLee 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.
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