EntityQ1756859· pop 7· linked from 20 articlesaperture grilleSign in to savetechnology used in certain color CRTsConnectionsTrinitronEntitytelevisionEntitysphereEntitySony GroupEntitycomputer monitorEntitypatentEntityMitsubishiEntitycathode ray tubeEntityteletextEntitycurvatureEntityphosphorEntityViewSonicCompanyacoustic resonanceEntityshadow maskEntityCategoriesCathode ray tubeJapanese inventions