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- Light_pen abstract "A light pen is a computer input device in the form of a light-sensitive wand used in conjunction with a computer's CRT display. It allows the user to point to displayed objects or draw on the screen in a similar way to a touchscreen but with greater positional accuracy. It was long thoughtTemplate:Whom? that a light pen can work with any CRT-based display, but not with LCDs (though Toshiba and Hitachi displayed a similar idea at the "Display 2006" show in Japan) and other display technologies. However, in 2011 Fairlight Instruments released its Fairlight CMI-30A, which uses a 17" LCD monitor with light pen control.A light pen detects a change of brightness of nearby screen pixels when scanned by cathode ray tube electron beam and communicates the timing of this event to the computer. Since a CRT scans the entire screen one pixel at a time, the computer can keep track of the expected time of scanning various locations on screen by the beam and infer the pen's position from the latest timestamp.".
- Light_pen thumbnail HypertextEditingSystemConsoleBrownUniv1969.jpg?width=300.
- Light_pen wikiPageID "49831".
- Light_pen wikiPageRevisionID "599215949".
- Light_pen hasPhotoCollection Light_pen.
- Light_pen subject Category:Computing_input_devices.
- Light_pen comment "A light pen is a computer input device in the form of a light-sensitive wand used in conjunction with a computer's CRT display. It allows the user to point to displayed objects or draw on the screen in a similar way to a touchscreen but with greater positional accuracy.".
- Light_pen label "Caneta óptica".
- Light_pen label "Crayon optique".
- Light_pen label "Lichtgriffel".
- Light_pen label "Light pen".
- Light_pen label "Lápiz óptico".
- Light_pen label "Penna ottica".
- Light_pen label "Pióro świetlne".
- Light_pen label "Световое перо".
- Light_pen label "قلم ضوئي".
- Light_pen label "ライトペン".
- Light_pen sameAs Světelné_pero.
- Light_pen sameAs Lichtgriffel.
- Light_pen sameAs Lápiz_óptico.
- Light_pen sameAs Crayon_optique.
- Light_pen sameAs Pena_cahaya.
- Light_pen sameAs Penna_ottica.
- Light_pen sameAs ライトペン.
- Light_pen sameAs 라이트_펜.
- Light_pen sameAs Pióro_świetlne.
- Light_pen sameAs Caneta_óptica.
- Light_pen sameAs m.0d782.
- Light_pen sameAs Q20139.
- Light_pen sameAs Q20139.
- Light_pen wasDerivedFrom Light_pen?oldid=599215949.
- Light_pen depiction HypertextEditingSystemConsoleBrownUniv1969.jpg.
- Light_pen isPrimaryTopicOf Light_pen.