IMAGE ORTHICON

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

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

Synonyms:

image orthicon; orthicon

Classified under:

Nouns denoting man-made objects

Hypernyms ("image orthicon" is a kind of...):

television-camera tube; television pickup tube (a tube that rapidly scans an optical image and converts it into electronic signals)

Credits