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TELEVISION-CAMERA TUBE
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A tube that rapidly scans an optical image and converts it into electronic signals
Synonyms:
television-camera tube; television pickup tube
Classified under:
Nouns denoting man-made objects
Hypernyms ("television-camera tube" is a kind 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)
Hyponyms (each of the following is a kind of "television-camera tube"):
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)
Holonyms ("television-camera tube" is a part of...):
camera; television camera; tv camera (television equipment consisting of a lens system that focuses an image on a photosensitive mosaic that is scanned by an electron beam)
