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television pickup tube

DEFINITIONS OF: television pickup tube

1

n a tube that rapidly scans an optical image and converts it into electronic signals

Synonyms:
television-camera tube
Types:
iconoscope
the first practical television-camera for picture pickup; invented in 1923 by Vladimir Kosma Zworykin
image orthicon, 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
Type of:
electron tube, thermionic tube, thermionic vacuum tube, thermionic valve, tube, vacuum tube
electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
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