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  2. Cathode-ray tube - Wikipedia

    en.wikipedia.org/wiki/Cathode-ray_tube

    The rear of an LG.Philips Displays 14-inch color cathode-ray tube showing its deflection coils and electron guns Braun's original cold-cathode CRT, 1897 Typical 1950s United States monochrome CRT TV Snapshot of a CRT TV showing the line of light being drawn from left to right in a raster pattern Animation of image construction using the ...

  3. FD Trinitron/WEGA - Wikipedia

    en.wikipedia.org/wiki/FD_Trinitron/WEGA

    FD Trinitron/WEGA is Sony 's flat version of the Trinitron picture tube. This technology was also used in computer monitors bearing the Trinitron mark. The FD Trinitron used computer-controlled feedback systems to ensure sharp focus across a flat screen. The FD Trinitron reduces the amount of glare on the screen by reflecting much less ambient ...

  4. Rear-projection television - Wikipedia

    en.wikipedia.org/wiki/Rear-projection_television

    Rear-projection television. Mid-2000s RPTV with HDTV tuner and YPbPr input as well as DVI (digital) video inputs. Rear-projection television (RPTV) is a type of large-screen television display technology. Until approximately 2006, most of the relatively affordable consumer large screen TVs up to 100 in (250 cm) used rear-projection technology.

  5. Radio masts and towers - Wikipedia

    en.wikipedia.org/wiki/Radio_masts_and_towers

    A radio mast base showing how virtually all lateral support is provided by the guy-wires. The terms "mast" and "tower" are often used interchangeably. However, in structural engineering terms, a tower is a self-supporting or cantilevered structure, while a mast is held up by stays or guy-wires. [1] A mast.

  6. Chimney Rock National Monument - Wikipedia

    en.wikipedia.org/wiki/Chimney_Rock_National_Monument

    Chimney Rock National Monument is a 4,726-acre (1,913 ha) U.S. National Monument in San Juan National Forest in southwestern Colorado which includes an archaeological site. This area is located in Archuleta County, Colorado , between Durango and Pagosa Springs , and is managed for archaeological protection, public interpretation, and education.

  7. UHF television broadcasting - Wikipedia

    en.wikipedia.org/wiki/UHF_television_broadcasting

    The upper antenna is a Yagi design. UHF television broadcasting is the use of ultra high frequency (UHF) radio for over-the-air transmission of television signals. UHF frequencies are used for both analog and digital television broadcasts. UHF channels are typically given higher channel numbers, like the US arrangement with VHF channels ...