TV cathode ray tube

Numéro d’image : 11896887
TV cathode ray tube
TV cathode ray tube. Components of a cathode ray tube (CRT) display for a television (TV). These are the components that are behind a TV screen. At upper centre is the electron gun,surrounded by electronics. The electron gun produces a beam of electrons (also called a cathode ray because it is produced by heating of a cathode). This beam of electrons is directed through a set of magnetic coils (lower centre,yellow) towards the screen (not seen,off bottom). The magnetic field from the coils is varied to deflect the electron beam as required. The beam is moved across the screen,triggering the release of light from the phosphor materials on the inside of the screen. This produces the images seen on a TV screen
Licence : Droits gérés
Crédit: Science Photo Library / Andrew Lambert Photography
Taille de l’image : 3605 px × 4870 px
Model Release : Non requis
Property Release : Non requis
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