#television-camera_tube__television_pickup_tube  a tube that rapidly scans an optical image and converts it into electronic signals
  supertype:  #thermionic_vacuum_tube__tube__vacuum_tube__thermionic_tube__electron_tube__thermionic_valve  electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
  subtype:  #iconoscope  #image_orthicon
  part of:  #television_camera__tv_camera__camera  television equipment consisting of a lens system that focuses an image on a photosensitive mosaic that is scanned by an electron beam

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