television pickup tube

/ˌtɛləˈvɪʒən ˌpɪkˈʌp tub/

Definitions of television pickup tube

1. noun

   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