image orthicon(n = noun.artifact) orthicon - a now obsolete picture pickup tube in a television camera; electrons emitted from a photoemissive surface in proportion to the intensity of the incident light are focused onto the target causing secondary emission of electrons;
is a kind of television-camera tube, television pickup tube

auditory image, electronic image, graven image, image, image breaker, image compression, image scanner, imagination image, memory image, mental image, mirror image, orthicon, public image, spitting image, virtual image, visual image