a television camera tube in which an optical image produces a corresponding electrical charge pattern on a mosaic surface that is scanned from behind by an electron beam. The resulting discharge of the mosaic provides the output signal current
See also image orthicon
Word origin
C20: from ortho- + icon(oscope)
orthicon in American English
(ˈɔrθɪˌkɑn)
US
noun
a television camera tube, an improved form of the iconoscope, in which the charges on a photosensitive plate are scanned by a low-velocity electron beam which is reflected and which delivers the signal current to an output electrode