iconoscope

iconoscope

[ahy-kon-uh-skohp]
noun
a television camera tube in which a beam of high-velocity electrons scans a photoemissive mosaic.
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Origin:
1930–35; formerly trademark; see icono-, -scope

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World English Dictionary
iconoscope (aɪˈkɒnəˌskəʊp)
 
n
a television camera tube in which an electron beam scans a photoemissive surface, converting an optical image into electrical pulses

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