Projected capacitive touchscreen (PCAP) became popular thanks to the introduction of the Apple iPhone, iPad and iPod.Electrical field generated for touch detection is known to be impaired by external fields, for example Cold Cathode Fluorescent Lamp, USB charger or AMLCD driving.Commercial product shall live with this issue, but the high intensity radiated field required for avionics application is several orders of magnitude higher than required for commercial product. In such an environment, standard touchscreens could have hazardous behavior.Thanks to the unique 20 years' experience on projected capacitive technology (Aircraft fighter), we designed a new projected capacitive touchscreen, based on a ruggedized touch controller and dedicated ASIC, able to operate in extreme electromagnetic environment.Qualification tests performed on our touchscreen show a great immunity to electromagnetic radiated electric fields up to 6000V/m (DO160 Section 20, cat L), suitable for the most severe avionics applications.


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    Titel :

    A Projected Capacitive Touchscreen Operating under High Intensity Radiated Field


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Merino, Frederic (Autor:in) / Renaud, Frederic (Autor:in) / Coni, Philippe (Autor:in)

    Kongress:

    SAE 2015 AeroTech Congress & Exhibition ; 2015



    Erscheinungsdatum :

    2015-09-15




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch