| / English Dictionary |
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)
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