iconoscope

[ ahy-kon-uh-skohp ]
/ aɪˈkɒn əˌskoʊp /

noun

a television camera tube in which a beam of high-velocity electrons scans a photoemissive mosaic.
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Origin of iconoscope

1930–35; formerly trademark; see icono-, -scope

British Dictionary definitions for iconoscope

iconoscope
/ (aɪˈkɒnəˌskəʊp) /

noun

a television camera tube in which an electron beam scans a photoemissive surface, converting an optical image into electrical pulses