orthicon

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Английский Язык - Турецкий язык
Английский Язык - Английский Язык
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
{i} video camera tube having similar qualities as an iconoscope but more sensitive (now obsolete)
orthicon
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