• Thumbnail for Selectron tube
    The Selectron was an early form of digital computer memory developed by Jan A. Rajchman and his group at the Radio Corporation of America (RCA) under...
    14 KB (1,980 words) - 04:56, 31 July 2024
  • Selectron may refer to one of the following: Selectron (particle), the supersymmetric partner of the electron Selectron tube, an early form of digital...
    199 bytes (56 words) - 07:43, 8 November 2018
  • Thumbnail for Nixie tube
    number of states), were trade named Selectron tubes. At least one device that functioned in the same way as Nixie tubes was patented in the 1930s . There...
    22 KB (2,616 words) - 21:31, 29 October 2024
  • Thumbnail for Vacuum tube
    A vacuum tube, electron tube, valve (British usage), or tube (North America) is a device that controls electric current flow in a high vacuum between...
    120 KB (15,367 words) - 03:53, 22 September 2024
  • Thumbnail for Storage tube
    Storage tube Cathode ray tube (for an explanation of how analog storage tubes worked) Williams tube and Selectron tube both used the term "storage tube" for...
    11 KB (1,530 words) - 09:46, 4 May 2024
  • Thumbnail for Video camera tube
    Video camera tubes are devices based on the cathode-ray tube that were used in television cameras to capture television images, prior to the introduction...
    109 KB (12,464 words) - 16:34, 25 October 2024
  • Thumbnail for Gas-filled tube
    A gas-filled tube, also commonly known as a discharge tube or formerly as a Plücker tube, is an arrangement of electrodes in a gas within an insulating...
    27 KB (3,400 words) - 22:44, 14 October 2024
  • Thumbnail for Williams tube
    designed for Selectron tube memory), the UNIVAC 1103, IBM 701, IBM 702 and the Standards Western Automatic Computer (SWAC). Williams tubes were also used...
    14 KB (1,661 words) - 10:28, 18 June 2024
  • Thumbnail for Cathode-ray tube
    A cathode-ray tube (CRT) is a vacuum tube containing one or more electron guns, which emit electron beams that are manipulated to display images on a...
    266 KB (29,009 words) - 04:59, 2 November 2024
  • Thumbnail for Photomultiplier tube
    Photomultiplier tubes (photomultipliers or PMTs for short) are extremely sensitive detectors of light in the ultraviolet, visible, and near-infrared ranges...
    36 KB (4,464 words) - 17:05, 3 October 2024
  • Thumbnail for List of vacuum tubes
    modelling as a hobby. Radio Corporation of America: SB256 – 256-bit Selectron tube, an early form of digital computer memory Cossor: SU25 – EHT rectifier...
    329 KB (40,580 words) - 23:52, 20 October 2024
  • Thumbnail for Voltage-regulator tube
    A voltage-regulator tube (VR tube) is an electronic component used as a shunt regulator to hold a voltage constant at a predetermined level. Physically...
    8 KB (949 words) - 19:31, 26 May 2024
  • conceived and developed the selectively addressable storage tube, the ill-fated Selectron tube, and the core memory. He was a Fellow of the Institute of...
    4 KB (279 words) - 17:42, 8 October 2024
  • Thumbnail for Computer memory
    tube, which was the first random-access computer memory. The Williams tube was able to store more information than the Selectron tube (the Selectron was...
    29 KB (3,284 words) - 18:37, 1 October 2024
  • Thumbnail for Sutton tube
    Sutton tube was the name given to the first reflex klystron, developed in 1940 by Robert W. Sutton of Signal School group at the Bristol University. The...
    14 KB (1,860 words) - 17:29, 4 September 2024
  • Thumbnail for Traveling-wave tube
    traveling-wave tube (TWT, pronounced "twit") or traveling-wave tube amplifier (TWTA, pronounced "tweeta") is a specialized vacuum tube that is used in...
    21 KB (2,487 words) - 19:48, 14 September 2024
  • Tetrode (redirect from Screen-grid tube)
    A tetrode is a vacuum tube (called valve in British English) having four active electrodes. The four electrodes in order from the centre are: a thermionic...
    34 KB (4,294 words) - 16:44, 16 October 2024
  • Thumbnail for Skitube Alpine Railway
    ski resort". Selectron Systems AG. Retrieved 11 May 2020. "Intelligence" Railway Gazette International October 1987 page 640 "Ski Tube Opening" Railway...
    12 KB (1,135 words) - 13:11, 17 July 2023
  • Thumbnail for Dekatron
    generically three-phase gas counting tube or glow-transfer counting tube or cold cathode tube) is a gas-filled decade counting tube. Dekatrons were used in computers...
    7 KB (688 words) - 18:04, 4 April 2024
  • Thumbnail for Beam deflection tube
    Selectron tube Storage tube Williams tube Electronics portal M. B. Knight (1960). "A new miniature beam deflection tube" (PDF). RCA Electron Tube Division...
    8 KB (929 words) - 03:31, 9 February 2023
  • Thumbnail for Triode
    Triode (redirect from Triode vacuum tube)
    A triode is an electronic amplifying vacuum tube (or thermionic valve in British English) consisting of three electrodes inside an evacuated glass envelope:...
    31 KB (3,705 words) - 03:43, 20 September 2024
  • Thumbnail for Klystron
    Klystron (redirect from Klystron tube)
    A klystron is a specialized linear-beam vacuum tube, invented in 1937 by American electrical engineers Russell and Sigurd Varian, which is used as an amplifier...
    27 KB (3,310 words) - 09:10, 21 October 2024
  • Thumbnail for Thyratron
    Thyratron (redirect from 885 tube)
    gas-filled tube used as a high-power electrical switch and controlled rectifier. Thyratrons can handle much greater currents than similar hard-vacuum tubes. Electron...
    13 KB (1,488 words) - 18:01, 2 September 2024
  • Thumbnail for Audion
    Audion (redirect from Audion amplifier tube)
    The Audion was an electronic detecting or amplifying vacuum tube invented by American electrical engineer Lee de Forest as a diode in 1906. Improved, it...
    24 KB (2,614 words) - 03:10, 31 July 2024
  • Thumbnail for Magic eye tube
    A magic eye tube or tuning indicator, in technical literature called an electron-ray indicator tube, is a vacuum tube which gives a visual indication...
    12 KB (1,518 words) - 20:12, 6 February 2024
  • Thumbnail for Cavity magnetron
    Cavity magnetron (category Vacuum tubes)
    The cavity magnetron is a high-power vacuum tube used in early radar systems and subsequently in microwave ovens and in linear particle accelerators. A...
    52 KB (6,453 words) - 23:07, 27 October 2024
  • Thumbnail for Nuvistor
    Nuvistor (category Vacuum tubes)
    The nuvistor is a type of vacuum tube announced by RCA in 1959. Nuvistors were made to compete with the then-new bipolar junction transistors, and were...
    8 KB (941 words) - 16:16, 21 September 2024
  • Thumbnail for IAS machine
    IAS machine (category Vacuum tube computers)
    tubes for memory plus one more to monitor the state of a memory tube). The memory was originally designed for about 2,300 RCA Selectron vacuum tubes....
    13 KB (1,126 words) - 23:07, 11 August 2024
  • Thumbnail for Secondary emission
    Secondary emission (category Vacuum tubes)
    random access computer memory tube based on secondary emission was the Selectron tube. Both were made obsolete by the invention of magnetic-core memory. Secondary...
    6 KB (592 words) - 16:26, 25 October 2024
  • Traditionally these have either been somewhat impractical (e.g., the Selectron tube) or are considered to be suitable only as read-only memory (e.g., EPROM...
    4 KB (419 words) - 17:22, 24 March 2023