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        2. Touchscreen Capacitive touchscreen Open-frame touch monitor Desktop touch monitor Customization touch monitor Touch all in one pc RetailFinancialEducationIndustrialTransportPhoto BoothCustom OverviewSAWSurface CapacitiveInfrared OverlaySurface Infrared5-Wire ResistiveOpticalPCAP(Projected Capacitive)Comparison Tables OverviewTechnical supportWarranty InformationDownloadsDocumentationSatisification surveyTouch VideoRMA (Returned Material Authorization) New to touchTouch TipsTouch NewsFAQSComparison Tables History Quality Culture Press/News Events Videos
          Infrared OverlayHome > Technology > 

          The Working Principle of Infrared Touch Technology



          The Infrared Touch Screen is a touch frame which is usually installed in front of the display screen. The infrared touch technology depends on the interruption of an infrared light grid. The frame is integrated with a printed circuit board which contains a row of infrared LEDs and photo transistors hidden behind the bezel of the touch frame. Each of the infrared LED has a corresponding photo transistor set on the opposite end, creating a grid of invisible infrared light beams.
          The bezel shields the electronics from the operating environment while allowing the IR beams to pass through. The Infrared Touch Screen controller sends light pulses sequentially through the LEDs. When a user touches the screen with his finger or other styli, the infrared light beams will be interrupted. The photo transistors from X and Y axes simultaneously detect the absence of the infrared light and register the X and Y axes coordinates.
          Features:
          Unlimited stylus
          Single/Multi-touch
          High clarity and light transmission
          No touch pressure required
          Reliable and durable without drift-off
          Wide range of sizes from 15” to 84”
          Applications:
          Kiosk
          Interactive digital signage
          Education
          Self-service terminals
          Gaming/Amusement machines

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          +86-769-33231050 +86-769-82522516
          +86-769-82522517
          cjtouch@cjtouch.com paul@cjtouch.com lydia@cjtouch.com
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