cathode ray tube

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cath·ode ray tube (CRT),

an evacuated tube containing a beam of electrons that can be deflected to various parts of a fluorescent screen; used in the cathode ray oscilloscope.
Farlex Partner Medical Dictionary © Farlex 2012

cathode ray tube

See Video display unit.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

cath·ode ray tube

(CRT) (kathōd rā tūb)
An evacuated tube containing a beam of electrons that can be deflected to various parts of a fluorescent screen; used in the cathode ray oscilloscope.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
"These are likely to be the integrated digital televisions, whereas at the moment people are using cathode-ray tube TVs and set top boxes which give off a lot of energy as heat.
This vacuum tube was the precursor of every piece of electronics invented over the next 65 years and is still the basis of the cathode-ray tube used in TVs and computer monitors.
The cool, distant, passionless light of the cathode-ray tube now provides our guiding illumination, and a bleak, antiseptic light it is.
In a cathode-ray tube display, a scanning electron beam causes phosphors to glow at selected spots.
The SED TVs, which they say will provide image quality comparable to that of cathode-ray tube TVs despite their ultra-thin display panels, will offer ''excellent performance characteristics,'' according to the two.
Overall sales dipped 1.3% to 5,579.51 billion yen thanks to revenue drops of 176 billion yen stemming from the transfer of Toshiba's cathode-ray tube business and industrial system business to subsidiaries.
The recycling rate came to 60.2% for notebook PCs, whose required rate was 20%, 72.4% for cathode-ray tube displays against their required rate of 55%, and 74.0% for crystal displays, also against 55%.
However, says Greg Vorhees, "the only material we're truly recycling [in-house] is cathode-ray tube (CRT) glass" from television picture tubes and the 250,000 computer monitors his company will process this year.
Since cathode-ray tube monitors tend to provide much higher contrast ratios than LCD or plasma displays, professionals have long used high-end cathode-ray tube monitors, the company said.
Of the total, sales of liquid crystal TVs stood at 286,000 units, while cathode-ray tube TVs and plasma panel TVs came to 247,000 and 121,000 units, respectively.
The shutter consists of several polarizing filters and a liquid-crystal cell, which form a sandwich that can be placed in front of a cathode-ray tube. Electrical signals sent to the liquid-crystal cell rotate the liquid-crystal molecules so that green and red light get through at different times.
But shipments of conventional cathode-ray tube TVs fell 17.6% to 6.81 million units.