picture tube
Noun
Meaning
a cathode-ray tube in a television receiver; translates the received signal into a picture on a luminescent screen
Source: WordNetSynonyms
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Examples
Illinois Manufacturers Directory, Manufacturers' News, Inc., Chicago, IL, 1962, p. 1108 In 1963, it introduced the first rectangular color picture tube.
Starting in the late 1950s, picture tube phosphors would sacrifice saturation for increased brightness; this deviation from the standard at both the receiver and broadcaster was the source of considerable color variation.
The cathode ray tube is a Samsung model 240RB40 monochrome unit measuring 9 × 11 inches, displaying a picture of 240 mm diagonal; it is an off-the-shelf picture tube manufactured for small black/white television sets.