television pickup tube
Also found in: Thesaurus.
Switch to new thesaurus
|Noun||1.||television pickup tube - a tube that rapidly scans an optical image and converts it into electronic signals|
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
television camera, tv camera, camera - television equipment consisting of a lens system that focuses an image on a photosensitive mosaic that is scanned by an electron beam