orthicon

(Pronunciation -تلفظ سنیۓ ) US:

Slow

Normal

Noun: orthicon

1. orthicon [ Synonyms: image 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

Generic Words:

television pickup tube, television-camera tube

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