The cathode ray tube crt is a vacuum tube containing one or more electron guns the beams of which are manipulated to display images on a phosphorescent screen. Used in the cathode ray oscilloscope.

What Is Crt Cathode Ray Tube How Does It Works Main Parts Of The Crt Av Creations

The terminus of the beam is visible as a spot or line of luminescence caused by its impinging on a sensitized screen at one end of the tube.

Definition of cathode ray tube. Cath ode ray tube crt an evacuated tube containing a beam of electrons that can be deflected to various parts of a fluorescent screen. Farlex partner medical dictionary farlex 2012. Cathode ray tube definition a vacuum tube generating a focused beam of electrons that can be deflected by electric fields magnetic fields or both.

The images may represent electrical waveforms oscilloscope pictures television set computer monitor radar targets or other phenomena. Cathode ray tube definition is a vacuum tube in which a beam of electrons is projected on a phosphor coated screen to produce a luminous spot at a point on the screen determined by the effect on the electron beam of a variable magnetic field within the tube.