a television camera pickup tube of high sensitivity in which the image is focused on a thin, transparent metal film backed with a layer of photoconductive material that is scanned with a low-velocity electron beam
Origin of vidiconvid(eo) + icon(oscope)
An electron tube formerly used in video cameras to capture images by scanning a photoconductive surface with an electron beam. They generally provided higher resolution images than the orthicons.
Origin of vidiconvid(eo) icon(oscope)