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picture tube click to hear : picture tube

Hollow glass tube in which video signals are converted into electron beams to produce pictures on the screen.
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screen color selection filter protective window electron beam neck base electron gun funnel

screen click to hear : screen

Surface on which pictures are formed; it is covered with sensitive dots, which emit red, green or blue light when hit by electrons.

color selection filter click to hear : color selection filter

Perforated metal plate that directs each electron beam toward the sensitive parts of the screen corresponding to its color.

protective window click to hear : protective window

Front portion of the picture tube that covers the screen.

electron beam click to hear : electron beam

All the negatively charged particles traveling in the same direction; their intensity varies with the video signal received.

neck click to hear : neck

Narrow part of the picture tube that contains the electron gun.

base click to hear : base

Terminal end of the picture tube that connects to outside circuits.

electron gun click to hear : electron gun

Device that emits electron beams toward the screen; there are beams for each of the primary colors, red, green and blue.

funnel click to hear : funnel

Flared rear portion of the picture tube.