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 ?
In July 2001, Hitachi announced that it would withdraw from business of cathode ray tubes for PC monitors.
With 35,000sqft of processing space, the factory will have the capacity to recycle 500,000 cathode ray tubes a year - around five per cent of the total UK annual volume of redundant tubes.
Founded in 1904 and formerly known as City Metals, AMI offers an array of recycling service for metals, plastics, glass and electronic scrap, including the handling of cathode ray tubes (CRTs) within computer and TV monitors.
According to a report in the Recycling Policy NewsBriefs E-mail Bulletin from Raymond Communications, this version of the bill states that manufacturers must ensure collection of cathode ray tubes (CRTs), or they must show membership in a national take-bake organization that accomplishes the same thing.
Cathode ray tubes (CRTs) have been banned from disposal in Massachusetts and California, and illegal dumping is a growing concern for environmental officials, they note.
and Dlubak Glass Company of Upper Sandusky, Ohio, have entered into an exclusive partnership for the responsible recycling of glass from old televisions, computer monitors and cathode ray tubes (CRTs).
Environmental Protection Agency (EPA) could ease restrictions that have caused many municipalities and recyclers to back away from handling cathode ray tubes (CRTs) used in computer monitors and televisions.
efforts, and lauded Massachusetts for the way it prepared for its landfill ban on cathode ray tubes (CRTs).