WHAT IS A CRT TV?

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WHAT IS A CRT TV?
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What is a CRT TV? A CRT television is a type of
television that was most widely used back before
the invention of the flat screen television. CRT
stands for cathode ray tube. There are actually a
number of different types of cathode ray tubes,
but they all are similar in many ways.
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What Is A CRT TV? A Television made with a
Cathode Ray Tube
What is a CRT TV? The CRT in a CRT TV is the
cathode ray tube, which is essentially a vacuum
tube that contains one or more electron guns as
well as a fluorescent screen that is used for
viewing images. It has a way of accelerating and
deflecting electron beam(s) onto television
screens in order to create the actual images. The
images can symbolize electrical waveforms in an
oscilloscope, and pictures in television screens
and computer monitors.
What is a CRT TV? CRTs use evacuated glass
envelopes, which are large, deep, relatively
heavy, and fairly fragile. For safety reasons,
the face is usually made out of a thick lead
glass. This is done so it can be highly
shatter-resistant and so it can block the
majority of X-ray emissions, especially when the
CRTs are being used in consumer products.
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Recycling of CRT Televisions
What is a CRT TV, when it comes to electronic
waste? As e-waste, CRT TVs are one the most
difficult types of TVs to recycle. CRTs contain a
large concentration of phosphors and lead. Both
of these are necessities for its display.
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A number of companies located in the U.S. charge
small fees for the collection of CRT TVS as well
as other CRT items. Then, they subsidize their
labor via the sale of wire, printed circuit
boards and copper. Leaded CRT glass gets sold so
that it can be re-melted either into other CRTs
or broken down to be used in the construction of
roads. So, what is a CRT TV? CRT TVs are much
harder to come across these days, because newer
technologies like LCDs, OLEDs, plasma displays
and other technology has pretty much replaced
them.
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•  http//www.ehow.com/facts_5063292_crt-tvs.html
   http//en.wikipedia.org/wiki/Cathode_ray_tube
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