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- Aperture_grille abstract "An aperture grille (tension mask) is one of two major technologies used to manufacture color cathode ray tube (CRT) televisions and computer displays; the other is shadow mask.Fine vertical wires behind the front glass of the display screen separate the different colors of phosphors into strips. These wires are positioned such that an electron beam from one of three guns at the rear of the tube is only able to strike phosphors of the appropriate color. That is, the blue electron gun will strike blue phosphors, but will find a wire blocks the path to red and green phosphors.The fine wires allow for a finer dot pitch as they can be spaced much closer together than the perforations of a shadow mask, and there need be no gap between adjacent horizontal pixels.During the display of bright images, a shadow mask warms, and expands outward in all directions (sometimes called blooming). Aperture grilles do not exhibit this behavior; when the wires heat up, they expand vertically. Because there are no defined holes, this expansion does not affect the image, and the wires do not move horizontally.The vertical wires of the aperture grille have a resonant frequency and will vibrate in sympathetic resonance with loud sounds near the display, resulting in fluttering and shimmering of colors on the display. To reduce these resonant effects, one or two horizontal stabilizing wires, called \"damping wires\", are welded across the grille wires, and may be visible as fine dark lines across the face of the screen. These stabilizing wires provide the easiest way to distinguish aperture grille and shadow mask displays at a glance. The stabilized grille can still vibrate but the sounds need to be loud and close to the display.Additionally, aperture grille displays tend to be vertically flat and are often horizontally flat as well, while shadow mask displays usually have a spherical curvature.The first patented aperture grille televisions were manufactured by Sony in the late 1960s under the Trinitron brand name, which the company carried over to its line of CRT computer monitors. Subsequent designs, either licensed from Sony or manufactured after the patent's expiration, tend to use the -tron suffix, such as Mitsubishi's DiamondTron and ViewSonic's SonicTron.Cromaclear is an improvement of the aperture grille technology, pioneered by the NEC Corporation; one of its advantage is the lack of the damping wires.While many considered aperture grille technology to produce superior images, advances in shadow mask and hybrid technologies since the 1990s have made people's preferences more a matter of personal choice or specific application.".
- Aperture_grille thumbnail CRT_Phosphors.jpg?width=300.
- Aperture_grille wikiPageExternalLink q28_page.html.
- Aperture_grille wikiPageID "172531".
- Aperture_grille wikiPageLength "3648".
- Aperture_grille wikiPageOutDegree "26".
- Aperture_grille wikiPageRevisionID "707294485".
- Aperture_grille wikiPageWikiLink Acoustic_resonance.
- Aperture_grille wikiPageWikiLink Category:Cathode_ray_tube.
- Aperture_grille wikiPageWikiLink Cathode_ray_tube.
- Aperture_grille wikiPageWikiLink Chromatron.
- Aperture_grille wikiPageWikiLink Computer_monitor.
- Aperture_grille wikiPageWikiLink Cromaclear.
- Aperture_grille wikiPageWikiLink Curvature.
- Aperture_grille wikiPageWikiLink File:Trinitron_computer.JPG.
- Aperture_grille wikiPageWikiLink Flatness.
- Aperture_grille wikiPageWikiLink Mitsubishi.
- Aperture_grille wikiPageWikiLink NEC.
- Aperture_grille wikiPageWikiLink Patent.
- Aperture_grille wikiPageWikiLink Phosphor.
- Aperture_grille wikiPageWikiLink Shadow_mask.
- Aperture_grille wikiPageWikiLink Sony.
- Aperture_grille wikiPageWikiLink Sphere.
- Aperture_grille wikiPageWikiLink Television.
- Aperture_grille wikiPageWikiLink Trinitron.
- Aperture_grille wikiPageWikiLink ViewSonic.
- Aperture_grille wikiPageWikiLink File:Aperture_grille_closeup_teletext.jpg.
- Aperture_grille wikiPageWikiLink File:CRT_Phosphors.jpg.
- Aperture_grille wikiPageWikiLink File:ShadowMask&ApertureGrille.png.
- Aperture_grille wikiPageWikiLink File:Trinitron.png.
- Aperture_grille wikiPageWikiLinkText "Aperture grille".
- Aperture_grille wikiPageWikiLinkText "Diamondtron".
- Aperture_grille wikiPageWikiLinkText "Trinitron".
- Aperture_grille wikiPageWikiLinkText "aperture grille".
- Aperture_grille wikiPageWikiLinkText "aperture-grille".
- Aperture_grille date "February 2015".
- Aperture_grille text "loud and close to".
- Aperture_grille wikiPageUsesTemplate Template:Clarify.
- Aperture_grille wikiPageUsesTemplate Template:No_footnotes.
- Aperture_grille subject Category:Cathode_ray_tube.
- Aperture_grille hypernym Technologies.
- Aperture_grille type ProgrammingLanguage.
- Aperture_grille type Redirect.
- Aperture_grille comment "An aperture grille (tension mask) is one of two major technologies used to manufacture color cathode ray tube (CRT) televisions and computer displays; the other is shadow mask.Fine vertical wires behind the front glass of the display screen separate the different colors of phosphors into strips. These wires are positioned such that an electron beam from one of three guns at the rear of the tube is only able to strike phosphors of the appropriate color.".
- Aperture_grille label "Aperture grille".
- Aperture_grille sameAs Q1756859.
- Aperture_grille sameAs Streifenmaske.
- Aperture_grille sameAs Rejilla_de_apertura.
- Aperture_grille sameAs Maschera_di_separazione.
- Aperture_grille sameAs アパーチャーグリル.
- Aperture_grille sameAs m.017713.
- Aperture_grille sameAs Апертурная_решётка.
- Aperture_grille sameAs Q1756859.
- Aperture_grille wasDerivedFrom Aperture_grille?oldid=707294485.
- Aperture_grille depiction CRT_Phosphors.jpg.
- Aperture_grille isPrimaryTopicOf Aperture_grille.