Interactive Infrared Touch Screen Bezel

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Provided by: International Journal of Emerging Trends in Electrical and Electronics (IJETEE)
Topic: Hardware
Format: PDF
Infrared technology relies on the interruption of an infrared light grid in front of the display screen. This technology has apparent advantages in the large-sized applications it is simple, low cost and highly feasible. In order to obtain a more cost effective touch screen for the average consumer's personal use, a new design for an infrared LED touch screen bezel has been designed by utilizing infrared LEDs as well as photo transistors, both of which are embedded in a bezel which is comprised of PCBs on which these optoelectronics are mounted around the glass slab which allows the infrared beams to pass through.
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