s/n4405309

Information
has gloss	(noun) a tube that rapidly scans an optical image and converts it into electronic signals television-camera tube, television pickup tube
lexicalization	eng: television pickup tube
lexicalization	eng: television-camera tube
subclass of	(noun) electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope electron tube, tube, thermionic tube, vacuum tube, thermionic vacuum tube, thermionic valve
has subclass	(noun) the first practical television-camera for picture pickup; invented in 1923 by Vladimir Kosma Zworykin iconoscope
has subclass	(noun) 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 orthicon, image orthicon

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part of	(noun) television equipment consisting of a lens system that focuses an image on a photosensitive mosaic that is scanned by an electron beam television camera, camera, tv camera