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“tubes”
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“tubes”
A tube in which an electron beam is directed across a fluorescent tube so it will generate images.
The cathode-ray tubes are used in oscilloscopes, radar, television sets, and computer monitors.
This entry is located in the following unit:
Technical Science and Engineering
(page 1)
image tubes
An image intensifier which is a form of electron tube in which an image is focused onto an input photocathode.
The resulting emitted electrons are accelerated within the evacuated tube by a very high voltage.
Image intensifiers are used in many instruments; such as, cameras, spectrographs, and acquisition and guidance systems.
This entry is located in the following unit:
Astronomy and related astronomical terms
(page 13)