COLOUR PICTURE TUBE
The colour television camera separates the primary hues from the televised scene, Fig. 31.4, and the colour picture tube recombines them Fig. 31.7. This is comparable to the function of a mike (which picks up the sound from the program initiator and translates it into its electrical image) and louspeaker (which retranslates electrical image produced by the mike back into its original form for the listeners).
Fig. 31.7 The colour picture tube recombines the primary hues
The colour picture tube is basically a tube which has three electron guns in one picture tube envelope. The three guns are placed in the neck of the ...
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