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Definition of Lee de forest
1. Noun. United States electrical engineer who in 1907 patented the first triode vacuum tube, which made it possible to detect and amplify radio waves (1873-1961).
Generic synonyms: Electrical Engineer, Artificer, Discoverer, Inventor
Lexicographical Neighbors of Lee De Forest
Literary usage of Lee de forest
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Principles of Electric Wave Telegraphy by John Ambrose Fleming (1908)
"Patents of Dr. Lee de Forest in connection with Wireless Telegraphy. 1900 to
1905.—Another active worker who has been granted numerous patents in the United ..."
2. The Principles of Electric Wave Telegraphy by John Ambrose Fleming (1908)
"Patents of Dr. Lee de Forest in connection with Wireless Telegraphy. 1900 to
1905.—Another active worker who has been granted numerous patents in the United ..."
3. A Story of Wireless Telegraphy by Alfred Thomas Story (1904)
"... system—Two American wireless methods—That of Dr. Lee de Forest, Professor
Fessenden's Discoveries —His system—The future of wireless telegraphy. ..."
4. Transactions of the American Institute of Electrical Engineers by American Institute of Electrical Engineers (1906)
"lee de forest: For convenience I use a 6-volt lamp; from 4 to 6 volts, ...
lee de forest: I am using tantalum filaments entirely; I think they are much ..."
5. The Encyclopedia Americana: A Library of Universal Knowledge (1918)
"The inception of this system, invented by Dr. lee de forest, dates back to 1899.
Dr. De Forest's original idea was to develop a receiver, working on an ..."
6. Scientific American Reference Book by Albert Allis Hopkins, Alexander Russell Bond (1905)
"The American De Forest Wireless Telegraph Company has developed from the
inventions'of Dr. Lee de Forest, a young Yale graduate. ..."
7. The Principles of Electric Wave Telegraphy and Telephony by John Ambrose Fleming (1919)
"... placed in the focal line, eg, SG Brown (see British I'atent Specification, No.
14449 of 1899; also see USA Patent Specification of Lee de Forest, No. ..."
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