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physical object > artifact > device > instrument > optical device > detector > imager > integrating detector > image tube > vidicon

vidicon comparison table

Subject	has definition	is a kind of
image tube	An electronic camera in which electrons, emitted from a photocathode surface exposed to light, are focused electronically onto a phosphor or photographic plate.	integrating detector
vidicon	General name for the class of vacuum tube imaging devices which employ a scanning electron beam to read out the image.	image tube

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