WordNet: image orthicon, 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

• hypernym television-camera tube, television pickup tube

image orthicon

• (suomi) kameraputki (synonyymi)

orthicon

• (suomi) ortikoni (synonyymi)