• Oskar Heil (20 March 1908, in Langwieden – 15 May 1994, San Mateo, California) was a German electrical engineer and inventor. He studied physics, chemistry...
    8 KB (914 words) - 05:23, 24 March 2023
  • Thumbnail for Transistor
    1920s and 1930s, even if such a device had been built. In 1934, inventor Oskar Heil patented a similar device in Europe. From November 17 to December 23,...
    98 KB (10,249 words) - 14:27, 8 September 2024
  • devices, and his work was ignored by industry. In 1934 German physicist Dr. Oskar Heil patented another field-effect transistor. There is no direct evidence...
    67 KB (7,582 words) - 14:41, 8 September 2024
  • Julius P. Heil (1876–1949), American politician, 30th governor of the State of Wisconsin Mechthild Heil (born 1961), German politician Oskar Heil (1908–1994)...
    704 bytes (130 words) - 00:18, 1 May 2024
  • Thumbnail for Oscar (given name)
    concentration camp Oskar Heil (1908–1994), German electrical engineer and inventor Oskar Hoffmann (1851–1912), Baltic-German painter Oskar Homolka (1898–1978)...
    19 KB (1,912 words) - 11:55, 1 September 2024
  • Thumbnail for Oskar Lafontaine
    Oskar Lafontaine (German pronunciation: [ˈɔskaʁ lafõˈtɛːn, -fɔnˈ-]; born 16 September 1943) is a German politician. He served as Minister-President of...
    23 KB (1,827 words) - 23:14, 8 September 2024
  • Thumbnail for Tweeter
    along with conventional woofers, referring to them as Heil transducers after their inventor, Oskar Heil. They are capable of considerable output levels and...
    23 KB (3,258 words) - 04:23, 11 September 2024
  • Thumbnail for MOSFET
    first patented by Julius Edgar Lilienfeld in 1925. In 1934, inventor Oskar Heil independently patented a similar device in Europe. In the 1940s, Bell...
    97 KB (11,756 words) - 14:16, 8 September 2024
  • Oliver Heaviside Re-formulated Maxwell's equations (vector calculus) Oskar Heil Field-effect transistor, loudspeaker Heinrich Rudolf Hertz Hertzian waves...
    18 KB (38 words) - 19:16, 27 August 2024
  • Thumbnail for Julius Edgar Lilienfeld
    electrolytic capacitor History of the transistor John Bertrand Johnson Oskar Heil American Dictionary of National Biography: Supplement 2 by Mark C. Carnes...
    11 KB (1,125 words) - 04:14, 17 June 2024
  • Transformer (AMT) is a type of electroacoustic transducer. Invented by Oskar Heil (1908–1994), it operates on a different transduction principle from other...
    7 KB (981 words) - 23:32, 12 May 2024
  • Thumbnail for Field-effect transistor
    Austro-Hungarian born physicist Julius Edgar Lilienfeld in 1925 and by Oskar Heil in 1934, but they were unable to build a working practical semiconducting...
    52 KB (6,264 words) - 14:26, 8 September 2024
  • Thumbnail for Loudspeaker
    been several flat panel systems commercially produced in recent years. Oskar Heil invented the air motion transducer in the 1960s. In this approach, a pleated...
    91 KB (12,677 words) - 01:55, 2 September 2024
  • Thumbnail for ADAM Audio
    (X-ART) tweeter, based on the invention of the Air Motional Transformer by Oskar Heil in the 1960's. The acronym "ADAM" is also a reference to the Biblical...
    2 KB (169 words) - 20:06, 21 May 2024
  • Thumbnail for Klystron
    modulation by A. Arsenjewa-Heil and Oskar Heil (wife and husband) in 1935, though the Varians were probably unaware of the Heils' work. The work of physicist...
    27 KB (3,302 words) - 21:43, 23 August 2024
  • Thumbnail for FET amplifier
    was not a practical design. The FET concept was later also theorized by Oskar Heil in the 1930s and William Shockley in the 1940s, but there was no working...
    8 KB (867 words) - 13:05, 22 August 2024
  • company PMA. From 1973 to 1974, he was employed at ESS and assisted Dr. Oskar Heil with crossover design, woofer selection, and final build cabinetry of...
    8 KB (928 words) - 10:31, 27 October 2023
  • down glycine Air Motion Transformer, a type of loudspeaker invented by Oskar Heil Amorphous metal transformer, a kind of energy efficient transformer...
    2 KB (314 words) - 02:48, 7 May 2024
  • Hartmann Werner Hartmann Christian August Hausen Isolde Hausser Otto Haxel Oskar Heil Burkhard Heim Jochen Heisenberg Werner Heisenberg Walter Heitler Wolfgang...
    20 KB (1,530 words) - 23:13, 7 July 2024
  • velocity modulation he used had already been described by A. Arsenjewa Heil and Oskar Heil in 1935, though the Varians were unlikely to have known of the work...
    40 KB (4,080 words) - 18:15, 11 May 2024
  • principles of the earlier transistor inventions of Julius Edgar Lilienfeld, Oskar Heil, Walter Schottky, and Robert Wichard Pohl. Because of the air raids on...
    10 KB (912 words) - 21:11, 28 June 2024
  • Thumbnail for Hubertus Heil
    Wolfgang-Hubertus Heil (born 3 November 1972) is a German politician of the Social Democratic Party (SPD) who has been serving as Federal Minister of Labour...
    19 KB (1,614 words) - 21:03, 28 July 2024
  • Wales, Killer Klowns from Outer Space, The Right Stuff), heart attack. Oskar Heil, 86, German electrical engineer and inventor. Sherman Landers, 96, American...
    48 KB (3,895 words) - 12:33, 27 May 2024
  • Thumbnail for Leader of the Social Democratic Party of Germany
    supported by five deputy leaders, which currently are Klara Geywitz, Hubertus Heil, Kevin Kühnert, Serpil Midyatli, and Anke Rehlinger. The party's administration...
    13 KB (304 words) - 20:52, 22 June 2024
  • Osculating orbit Oseen's approximation Oseen equations Oskar Heil Oskar Klein Oskar Klein Memorial Lecture Oskar Ritter Osmosis Osoaviakhim-1 Ostro Ostwald ripening...
    7 KB (816 words) - 16:08, 25 July 2024
  • Kampen: Kok, 1911 1st edition). ——— (1965). Salvation in History (trans. of Heil als Geschichte: heilsgeschichtliche Existenz im Neuen Testament. New Testament...
    9 KB (713 words) - 04:38, 27 August 2024
  • Thumbnail for Sahra Wagenknecht
    Hochzeit: Oskar Lafontaine und Sahra Wagenknecht haben geheiratet Archived 20 September 2020 at the Wayback Machine (Secret wedding: Oskar Lafontaine...
    55 KB (4,428 words) - 10:08, 9 September 2024
  • after their shift. Later the factory blows up. Otto Waldis as doctor. 54 22 "Heil Klink" Edward H. Feldman Richard M. Powell February 10, 1967 (1967-02-10)...
    248 KB (617 words) - 23:31, 10 September 2024
  • Thumbnail for FC Bayern Munich
    Juni 2011 (Sammelrezension zu: Backes, Gregor: "Mit Deutschem Sportgruss, Heil Hitler". Der FC St. Pauli im Nationalsozialismus. Hamburg 2010/Dietrich Schulze-Marmeling:...
    178 KB (13,843 words) - 20:50, 9 September 2024
  • Manifolds. CRC Press. p. 16. ISBN 978-0-429-60782-0. Joel Hass, Christopher Heil, and Maurice Weir. Thomas' Calculus Early Transcendentals, 14e. Pearson,...
    25 KB (3,586 words) - 05:00, 7 September 2024