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Object of the Week Audion | The Sarnoff Collection
https://davidsarnoff.tcnj.edu/2018/03/18/item-of-the-week-audion/
The audion, an early vacuum tube, made the radio transmission of the human voice feasible. In 1907, the inventor Lee de Forest found himself down on his luck. The previous year, his messy divorce to Lucille Sherdowne (the so-called “wireless bride,” named for the way that he has wooed her) had been splashed all over the pages of major ...
Audion | electronics | Britannica
https://www.britannica.com/technology/Audion
Audion, elementary form of radio tube developed in 1906 (patented 1907) by Lee De Forest of the United States. It was the first vacuum tube in which a control grid (in the form of a bent wire) was added between the anode plate and the cathode filament. The control grid enabled De Forest to modulate the current between the filament and the plate, producing the first successful …
The Audion: A New Receiver for Wireless Telegraphy (1907)
https://www.earlyradiohistory.us/1907aud.htm
The Audion: A New Receiver for Wireless Telegraphy (1907) This review is a reprint of a presentation Lee DeForest made at the October 26, 1906 New York meeting of the American Institute of Electrical Engineers. DeForest had done some experimentation with radio signal detectors enclosed in partially evacuated glass tubes, which he called ...
Audion and Vacuum-Tube Receiver Development (1907-1916 ...
https://www.studymode.com/essays/Audion-And-Vacuum-Tube-Receiver-Development-1907-1916-63604417.html
Audion and Vacuum-Tube Receiver Development (1907-1916) Topics: Radio ... In 1906 Lee DeForest announced the development of the first three-element vacuum-tube detector in The Audion: A New Receiver for Wireless Telegraphy, from the Scientific American Supplement. The original Audion was capable of slightly amplifying received signals, but at ...
Audion Vacuum Tube - History Computer
https://history-computer.com/the-audion-vacuum-tube/
The Audion tube was a vacuum tube that could amplify a faint electrical signal into a bigger one. Who invented the Audion Vacuum Tube? The Audion tube, created by De Forest in 1906, detects the presence and amplification of faint radio signals.
Audion Replica Lee De Forest 1907 Misc Unknown - CUSTOM
https://www.radiomuseum.org/r/unknown_audion_replica_lee_de_forest_1907.html
Various materials. from Radiomuseum.org. Model: Audion Replica Lee De Forest 1907 - Unknown - CUSTOM BUILT: Dimensions (WHD) 100 x 140 x 150 mm / 3.9 x 5.5 x 5.9 inch. Notes. This model is a non-working replica of a 1907 Audion tube that was originally made by Lee De Forest. Net weight (2.2 lb = 1 kg)
Lee De Forest: Father of Radio and Inventor of the Audion ...
https://blog.minicircuits.com/lee-de-forest-father-of-radio-and-inventor-of-the-audion/
Inventing the Audion Tube. Despite dealing with setbacks, De Forest had already been in the process of inventing what would become his most successful device, which he patented in 1907, the same year he abandoned his company. The new apparatus was called the Audion.
Old Site - Lee de Forest Invented the Radio Tube
https://www.leedeforest.org/inventor.html
At the right is the original Audion patent, dated January, 1907. The Audion was used as a detector of radio signals, an amplifier of audio and an oscillator for transmitting The first use of the audion was as a detector of radio waves.
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