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AT&T owned patents on vacuum tubes (which the majority opinion termed “amplifiers”) and licensed the patents to Transformer Company to manufacture tubes for use in the field of home radios, or small, so-called noncommercial amplifiers.
This design proved influential on vacuum tube production, and prompted De Forest to come up with a Tubular Audion.
Early in the twentieth century, there were large powder plants and manufacturers of radio tubes and incandescent lamps (Sylvania Electric Products), paving brick, flour, iron, lumber, sole leather, etc.
The IBM Naval Ordnance Research Calculator (NORC) was a one-of-a-kind first-generation (vacuum tube) computer built by IBM for the United States Navy's Bureau of Ordnance.
Mauchly's proposal for building an electronic digital computer using vacuum tubes, many times faster and more accurate than the differential analyzer for computing ballistics tables for artillery, caught the interest of the Moore School's Army liaison, Lieutenant Herman Goldstine, and on April 9, 1943 was formally presented in a meeting at Aberdeen Proving Ground to director Colonel Leslie Simon, Oswald Veblen, and others.
It is a hybrid combination of solid-state and vacuum tube electronics, which encloses a solid-state driver amplifier (SSPA), traveling wave tube amplifier (TWTA) and electronic power conditioning (EPC) modules into a single unit.
The Hercules missile systems sold to Japan (Nike J) were subsequently fitted with upgraded internal guidance systems, the original vacuum tube systems being replaced with transistorized ones.
Vacuum tubes produced in the former Soviet Union - and in present-day Russia - carry their own unique designations.
The Fisher was the brand name for hi-fi electronic equipment manufactured in New York by The Fisher Radio Corp. during the "golden age" of the vacuum tube, which was named after the company founder, Avery Fisher.
New Old Stock (NOS) 6DJ8s and ECC88s produced in the past by major American or West European vacuum tube manufacturers (such as Philips or Amperex) remain extremely popular with and highly sought by audiophiles.
After the development by Lee de Forest of the triode vacuum tube in 1906, it was realized that the upper frequency at which the device could be used was limited by the spacing between internal components.
Thompson was a Fellow of the Institute of Radio Engineers, and received the 1936 IEEE Morris N. Liebmann Memorial Award "for his contribution to the vacuum-tube art in the field of very-high frequencies."
The "magic eye" vacuum tube for tuning radio receivers was invented in 1932 by Dr. Allen B. DuMont (who spent most of the 1930s improving the lifetime of cathode ray tubes, and ultimately formed the DuMont Television Network).
William Eccles and F. W. Jordan (1919) describe a "trigger relay" made from a vacuum tube.
These collections include models for solar thermal collectors (flat plate, vacuum tube and uncovered), heat pumps (air-source, ground source / brine source), ground heat exchange (vertical boreholes as well as horizontal collectors) and heat storage (sensible and latent).
Zetatron, a high-voltage vacuum tube device that generates a stream of neutrons
In 1970, Jack Herschorn purchased the Universal Audio mixing console and a number of other pieces of equipment from that studio including UA LA-76A and LA-76B limiting amplifiers, UA vacuum tube power amplifiers (which were actually Dynakit Stereo 70 and 50-watt mono amplifier kits assembled into rack-mount chassis), Fairchild Conax sibilance controllers, Langevin graphic equalizers and Cinema Engineering filters, all originally installed in United Studio A in 1957.