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.

cathode ray tube (CRT)

a vacuum tube that focuses a beam of electrons onto a spot on a screen coated with a phosphor, creating a visible image of information on the face of the tube. The CRT is one type of computer monitor.

cathode ray tube

See Video display unit.

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.
References in periodicals archive ?
Cathode ray tubes, or CRTs, are made of heavy leaded glass, which is used to block harmful X-rays produced by the tube's cathode ray guns.
LG Philips is a Hong Kong-based maker of cathode ray tubes (CRTs) used in televisions and monitors.
Sony's Bridgend plant makes the cathode ray tubes used in televisions assembled in Pencoed.
Those electronics are now banned from California landfills because the cathode ray tubes and liquid crystal display or LCD monitors contain toxic metals that can leach from dumps over time.
Nine of 30 cathode ray tubes from color computer monitors passed the standard shredded-parts test even though separate tests have shown that most of these tubes contain huge amounts of lead (SN: 11/4/00, p.
subsidiary will phase out production and marketing of cathode ray tubes for direct view color TV (CPT) by the end of April 2002.
Loosely based on a didactic timeline chronicling the history of media, Oursler's site allows visitors to explore such varied topics as ancient Egyptian modes of communication, the camera obscura, cathode ray tubes, and X-ray devices in a cross-disciplinary--and highly aestheticized--manner.
Massachusetts has become the first state to ban the disposal of computer monitors, televisions, and arcade video games containing cathode ray tubes (CRTs) in public landfills or incinerators.
Electronic Recyclers has the largest electronic recycling facility in the state that demanufactures, recycles and crushes the cathode ray tubes found in computer monitors, televisions and other types of video equipment.
United States Environmental Protection Agency (EPA) Administrator Steve Johnson has signed a rule that is designed to facilitate the recycling of devices that contain cathode ray tubes (CRTs).
It will use the UK's first laser separation technology to recycle glass from cathode ray tubes.
Sony will cease production of cathode ray tubes for computers at its manufacturing plant in the San Diego community of Rancho Bernardo by April 1.