cathode ray


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Related to cathode ray: cathode ray oscilloscope

cathode ray

A ray composed of negatively charged electrons discharged by a cathode through a vacuum, moving in a straight line and producing x-ray photons upon hitting solid matter.
See also: ray
References in periodicals archive ?
The EPA estimates that the cost of record keeping and reporting would be $7,300 to $11,500 per year for cathode ray tube exporters.
The Whirlwind computer at MIT had a cathode ray tube, a light pen, and an alphanumeric keyboard in the late 1940s.
Laptop computers contain much less lead than cathode ray tubes do.
The code behind the Matrix is represented as green cathode ray lettering that is primarily composed of numbers and Japanese katakana (squarish characters used mainly to represent foreign loan words in Japanese), scrolling from top to bottom on the screen (like Japanese and Chinese can), and apparently random in content.
Making their debut at the Passenger Terminal World exhibition in February were three new products: a 30in Thin Film Technology (TFT) Public Information Display (PID), a 32in natural flat Cathode Ray Tube (CRT) PID, and a 6.4in through to 20.1in sunlight-readable TFT display.
In 2002, AOC's line included cathode ray tube (CRT) monitors in 15-inch, 17-inch, and 19-inch sizes, as well as an introductory 15-inch liquid crystal display (LCD) flat-screen monitor.
The glass screens on TV and computer cathode ray tubes (CRTs) are full of toxic lead, which protects users from harmful ionizing radiation but makes them a serious pollution problem when they're tossed out.
The technology uses glass surface-conduction electron-emitter cathode plates distributed in an amount equal to the number of pixels on the display, and a glass high-voltage anode plate with conventional cathode ray tube (CRT) phosphors.
Previously, according to the company's president, physicians using conventional MRI cathode ray display monitors had to remain outside the unit's magnetic field, a distance of between 20 to 50 feet.
The product will contain a 17-inch cathode ray tube monitor and a 700MHz G4 processor.
Cold cathode ray technology illuminates the instrument faces, while the indicators are backlit.