noun Television.
a camera tube in which a charge-density pattern is formed on a photoconductive surface scanned by a beam of low-velocity electrons for transmission as signals.
Compare Saticon.

1945–50; vid(eo) + icon(oscope) Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
vidicon (ˈvɪdɪˌkɒn)
See also Plumbicon a small television camera tube, used in closed-circuit television and outside broadcasts, in which incident light forms an electric charge pattern on a photoconductive surface. Scanning by a low-velocity electron beam discharges the surface, producing a current in an adjacent conducting layer
[C20: from vid(eo) + icon(oscope)]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
Correct the varying response of the vidicon across the field of view of the camera.
Vidicon systems generally are inferior to other types both spatially and spectrally.
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