orthicon

[ awr-thi-kon ]
/ ˈɔr θɪˌkɒn /

noun Television.

a camera tube, more sensitive than the iconoscope, in which a beam of low-velocity electrons scans a photoemissive mosaic.
Also or·thi·con·o·scope [awr-thi-kon-uh-skohp] /ˌɔr θɪˈkɒn əˌskoʊp/.

Origin of orthicon

First recorded in 1935–40; orth- + icon(oscope)

British Dictionary definitions for orthicon

orthicon
/ (ˈɔːθɪˌkɒn) /

noun

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 for orthicon

C20: from ortho- + icon ( oscope)