See Also: orthicon(dictionary)

orthicon (iou)



orthicon noun. M20.
[Contr. of ORTHO- + ICONOSCOPE.]
An early form of television camera tube similar to the iconoscope but with a low-velocity scanning beam which strikes the (transparent) target plate on the opposite side to that on which the image is projected.
image orthicon an orthicon incorporating a separate image stage which is used to collect the image and focus it on to the target electrode.