• Thumbnail for Electromagnetic oscillograph
    An electromagnetic oscillograph is an oscillograph which measures variations of electric current by having it go through a magnetic coil. Variations in...
    1 KB (92 words) - 23:48, 5 August 2023
  • to the memory of William du Bois Duddell, the inventor of the electromagnetic oscillograph. Between 1961 and 1975 it was awarded in alternate odd-numbered...
    12 KB (1,034 words) - 14:40, 29 October 2024
  • Thumbnail for History of the oscilloscope
    oscilloscope is a consequence of multiple generations of development of the oscillograph, cathode-ray tubes, analog oscilloscopes, and digital electronics. The...
    24 KB (3,128 words) - 16:22, 6 October 2024
  • Thumbnail for Chart recorder
    photographically. Another type of paper chart recorder was the light beam oscillograph. It had a bandwidth of ~5 kHz full scale (approximately 100 times higher...
    12 KB (1,777 words) - 16:58, 9 June 2024
  • Thumbnail for String galvanometer
    instrument that could measure the wave shape of an electrical impulse, an oscillograph. Augustus Waller had discovered electrical activity from the heart and...
    7 KB (839 words) - 11:46, 8 October 2024
  • the introduction of Alex Forbes' electronic amplification. Electromagnetic oscillographs had replaced the Lippman electrometer and the string galvanometer...
    8 KB (1,153 words) - 13:00, 24 April 2020
  • in Berlin. 1897 Ferdinand Braun invents the "inertialess cathode ray oscillograph tube", a principle that remained unchanged in television picture tubes...
    52 KB (4,488 words) - 11:01, 25 September 2024
  • Thumbnail for André Blondel
    engineer and physicist. He is the inventor of the electromechanical oscillograph and a system of photometric units of measurement. Blondel was born in...
    9 KB (886 words) - 05:19, 9 October 2024
  • Thumbnail for Numerical relay
    some relays, a short history of the entire sampled data is kept for oscillographic records. The event recording would include some means for the user to...
    14 KB (1,752 words) - 04:33, 31 July 2024
  • Thumbnail for Galvanometer
    their thousand-mile journey under the Atlantic. In a device called an oscillograph, the moving beam of light is used, to produce graphs of current versus...
    29 KB (3,697 words) - 21:36, 1 September 2024