cathode-ray tube

1. A vacuum tube in which a hot cathode emits a beam of electrons that pass through a high voltage anode and are focused or deflected before hitting a phosphorescent screen (synset 102988592)
   is a type of: gas-discharge tube - a tube in which an electric discharge takes place through a gas
   subtypes:

   • crookes tube - the original gas-discharge cathode-ray tube
   • kinescope, picture tube, television tube - a cathode-ray tube in a television receiver; translates the received signal into a picture on a luminescent screen
   has:

   • electron gun - the electrode that is the source of electrons in a cathode-ray tube or electron microscope; consists of a cathode that emits a stream of electrons and the electrostatic or electromagnetic apparatus that focuses it
   • crt screen, screen - the display that is electronically created on the surface of the large end of a cathode-ray tube
   is a part of:

   • computer, computing device, computing machine, data processor, electronic computer, information processing system - a machine for performing calculations automatically
   • cathode-ray oscilloscope, cro, oscilloscope, scope - electronic equipment that provides visual images of varying electrical quantities
   • television, television system - a telecommunication system that transmits images of objects (stationary or moving) between distant points
   same as: crt

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