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Multi-touch input system with glass surface

With its new PCI (Projected Capacitive Input) touch-screen technology, SCHURTER is expanding its family of input systems with glass surfaces that cover the entire operating area on the front. The PCI touch panels function with high positioning accuracy, are easy to clean, resistant to scratches, abrasion as well as chemicals and find a wide variety of applications in industrial automation and machine construction.

The new PCI (Projected Capacitive Input) technology makes it possible to build touch screens with a scratch-proof glass surface that extends across the entire front of the device. PCI panels allow the user to operate the system with more than just one finger at a time. Multi-touch technology, which is familiar due to its use in smartphones and tablet PCs, has been further developed for industrial use and offers the potential for a major leap in innovation with regards to operating concepts in machine construction and industrial automation.

Touch gestures such as spreading fingers to zoom or flicking to scroll quickly are evaluated by the application software. The PCI panel becomes an intuitive and completely integrated operating concept. In the industrial sector, touch gestures find use for example when “flicking through” possible settings and when searching a document for specific information. Further possibilities are navigating by flicking through overviews and magnifying process photographs and characteristic curves using the spread gesture.

Glass offers many options in ergonomic design because of its double-sided printing and the design of customer-specific geometries as well as a variety of surface structures. Gapless bonding to a carrier plate or in a housing allows the continuous mechanical protection of the glass edges and simplifies assembly of the display and its electronics.

The use of multi-touch sensors from ITO (indium tin oxide) foil layers also allows arched operating panels. Options include illuminated function keys, sliders and wheels outside the multi-touch display’s active surface and integrated behind the glass panel.

Optimal application areas for the PCI touch panel are industrial automation, machine construction, medical technology, POI/POS terminals, instrumentation systems as well as the military, aerospace and foodstuffs industries.

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