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Capacitive Touch Screens work great with Kiosk Displays
 Capacitive
touch screen technology is recommended for use within
KIOSK applications that require a "finger touch".
It will not operate with either a gloved hand or with a mechanical
stylus. It is made of glass, which makes it extremely durable
and scratch resistant. This glass overlay has a coating that
stores the charge deposited over its surface electrically.
Capacitive touchscreens operate using oscillator circuits
that are located in each corner of the glass overlay and measure
the capacitance of the area being "touched". Depending
on where the person touches the overlay, the oscillators will
vary in frequency. Then a touchscreen controller measures
the frequency variations to ascertain the coordinates of the
person's touch. When used with flat panel displays, capacitive
offers drift-free stable performance that is not susceptible
to deterioration over time. A capacitive touch screen
is impervious to grease, dirt and water, which makes it ideal
for frequent use. It can also be gasket sealed for NEMA
4 and NEMA 4X operation. Since a capacitive
touchscreen is made of glass, it is susceptible to breakage.
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