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orthicon
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orthicon
n.
video camera tube having similar qualities as an iconoscope but more sensitive (now obsolete)
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Video camera tube
The video camera tube was a type of cathode ray tube used to capture the television image prior to the introduction of charge-coupled devices (CCDs) in the 1980s. Several different types of tubes were in use from the early 1930s to the 1980s.
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| WordNet 2.0 | Download this dictionary |
orthicon
Noun
1. a now obsolete picture pickup tube in a television camera; electrons emitted from a photoemissive surface in proportion to the intensity of the incident light are focused onto the target causing secondary emission of electrons
(synonym) image orthicon
(hypernym) television-camera tube, television pickup tube
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ORTHICON
ORTICONOSCOPIO
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orthicon
s.
vidicon, videokamera tube
