IMAGE ORTHICON

Pronunciation (US):

(GB):

 Dictionary entry overview: What does image orthicon mean? 

• IMAGE ORTHICON (noun)
  The noun IMAGE ORTHICON has 1 sense:

1. 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

  Familiarity information: IMAGE ORTHICON used as a noun is very rare.

 Dictionary entry details 

• IMAGE ORTHICON (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

Classified under:

Nouns denoting man-made objects

Synonyms:

image orthicon; orthicon

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)