Nora Stanton Barney (redirect from Nora Stanton Blatch De Forest) posthumously advanced to ASCE Fellow status. In 1908, she married the inventor Lee de Forest, and helped to manage some of the companies he had founded to promote... 9 KB (867 words) - 01:31, 8 March 2024 |
the great-nephew of inventor Lee de Forest. DeForest grew up in Bay Ridge, Brooklyn. He was born to Calvert Martin DeForest, M.D., a physician who died... 15 KB (1,701 words) - 07:29, 31 March 2024 |
Audion (redirect from De Forest tube) or amplifying vacuum tube invented by American electrical engineer Lee de Forest as a diode in 1906. Improved, it was patented as the first triode in... 24 KB (2,612 words) - 18:51, 13 April 2024 |
College Radio Station)". libguides.union.edu. De Lee Forest. Father of Radio: The Autobiography of Lee de Forest (1950). Gleason L. Archer Personal Papers... 71 KB (8,484 words) - 07:03, 2 April 2024 |
included Ernst Ruhmer, Quirino Majorana, Charles "Doc" Herrold, and Lee de Forest. Advances in vacuum tube technology (called "valves" in British usage)... 74 KB (9,169 words) - 15:20, 18 April 2024 |
Herman Adolf DeVry (November 26, 1876 – March 23, 1941) was an American inventor, aviator, and colleague of Lee de Forest. DeVry is credited with creating... 6 KB (690 words) - 12:38, 13 February 2022 |
Invention of radio (section De Forest) later. Lee De Forest had an interest in wireless telegraphy and he invented the Audion in 1906. He was president and secretary of the De Forest Radio Telephone... 107 KB (12,792 words) - 03:00, 24 April 2024 |
Sir Timothy John Berners-Lee OM KBE FRS RDI FRSA DFBCS FREng (born 8 June 1955), also known as TimBL, is an English computer scientist best known as the... 48 KB (4,544 words) - 02:28, 16 April 2024 |
the De Forest System" by Herbert T. Wade, The American Monthly Review of Reviews, June 1907, pp. 681–685. Father of Radio (autobiography) by Lee de Forest... 120 KB (14,185 words) - 11:00, 13 April 2024 |
(1874–1944), Austrian actor Lee De Forest (1873–1961), American inventor with over 180 patents to his credit Léonard Forest (born 1928), Acadian filmmaker... 7 KB (993 words) - 17:09, 21 January 2024 |
which could amplify was the triode vacuum tube, invented in 1906 by Lee De Forest, which led to the first amplifiers around 1912. Today most amplifiers... 56 KB (7,058 words) - 21:05, 7 April 2024 |
Cavity magnetron (category CS1 German-language sources (de)) Audion by Lee de Forest in 1906. Albert Hull of General Electric Research Laboratory, USA, began development of magnetrons to avoid de Forest's patents... 52 KB (6,430 words) - 22:11, 13 April 2024 |
is surrounded in turn by the anode. The control grid was invented by Lee De Forest, who in 1906 added a grid to the Fleming valve (thermionic diode) to... 6 KB (878 words) - 20:21, 11 January 2023 |
Phonofilm (redirect from De Forest Phonofilm) sound-on-film system developed by inventors Lee de Forest and Theodore Case in the early 1920s. In 1919 and 1920, de Forest, inventor of the audion tube, filed... 59 KB (6,998 words) - 21:27, 10 February 2024 |
patented amplifying and oscillating circuits in 1913. In August 1912, Lee De Forest, the inventor of the audion, had also observed oscillations in his amplifiers... 61 KB (6,588 words) - 20:45, 17 April 2024 |
Popov in Russia, Eugène Ducretet in France, Reginald Fessenden and Lee de Forest in America, and Karl Ferdinand Braun, Adolf Slaby, and Georg von Arco... 121 KB (13,078 words) - 07:28, 25 April 2024 |
directed by David Ossman. The source of the title is from a quote by Lee de Forest. Ken Burns' documentary first aired on PBS on January 29, 1992, narrated... 5 KB (296 words) - 13:11, 23 April 2024 |