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A touch screen display is a touch sensitive input device that performs both the
functions of the video display unit and the input devices (keyboard and mouse). Touch
screens have been very popular in the past few years and we can see them all over
malls, airports, fast food restaurants, and ATMs.
Touch screen technology has been roughly by now the 1970s and there are several
companies that produce shape screen equipments. A touch screen saves a lot of space
and maintenance and this has made them popular for information kiosks.
These touch screen displays come either in the form of touch screen monitors or add-
on panels that are fixed over a regular display monitor. A touch screen display has
three primary components that allow it to function: the touch sensor, the controller,
and the software driver.
The software driver is the application program that transcribes touch sensations into
commands and communicates with the operating system installed on the computer.
The controller is a PC card that connects the touch sensor to the PC.
It is a small gadget that translates information from the touch sensor into information
that is comprehensible to the PC. There are several touch sensitive technologies
applied in manufacturing touch-screen displays. The display can be based from
resistive, capacitive, or surface wave sensory technology.
A resistive insert screen display is one where a skinny metallic resistive amassed acts
as the main sensory whole. The layer poses resistance to touch and transmits it as an
The capacitive touch screen display uses the capacitive tendency of the human body to
cause interference in its own capacitive layer and sense touch. The other alternative,
the surface wave touch screen, uses ultrasonic waves. These waves pass over the touch
panel. Some waves are absorbed when a user touches the screen.
Touch screen technology uses campaigner principles of physics but the disturb in front
screen simplifies communication tremendously. With enthusiast-nice operation and an
handsome interface, member happening screen displays are very preferred for games,
training, and at recommendation desks.
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Polytech Component Pte Ltd
10 Ubi Crescent #04-68
Singapore - 408564
Tel 1 : +65 6742 7738
Tel 2 : +65 6749 8606
Fax : +65 6749 7793
Mail : email@example.com
Web : http://www.polytech.com.sg/