Lexicraft Ltd. is a UK based supplier and manufacturer of high quality touchscreens. Resistive touch screen technology provides a simple to use alternative to mouse and keyboard operation. Considered to be the simplest of the four technologies, resistive touch screens are now emerging as perhaps the most popular devices for use in a range of industrial applications. This is largely due to their simplicity that results in relatively low costs and a long operating life. Combined with excellent resolution, good optical clarity and resistance, and the ability to operate with all types of stylus, these advantages provide the flexibility and resilience required to adapt to a range of industrial environments.

Touchscreen panels consist of two polyester layers coated on the inner surfaces with a thin transparent conductive material, indium tin oxide, and separated by a series of non conductive spacer dots. When the front of the screen is touched, the layers come into contact. This alters the voltage across the two layers, allowing a controller to detect the change and calculate the position in which the screen has been touched.

This thin flexible assembly can be mounted onto a rigid glass panel for clarity and rigidity or, for applications where glass is unsuitable, on a polycarbonate back panel. Two forms of resistant touch screens are available: matrix screens offer simplicity and reliability for high volume applications, while analogue screens give the exceptionally high resolution and accuracy essential for driving software written for hand-held pointing devices, such as mice or pen plotters.

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Copyright 2002. Lexicraft Ltd. 50 Cleveland Street, Birkenhead, Wirral. CH41 6LG. Registered in England No. 536750. VAT No. 163 54 37 62.