Since the 1970s, touch screens have been with us, but in recent years they have only covered personal applications and businesses.
Traditionally, touchscreen displays are expensive and are only in industrial applications, but the latest developments and the downturn in technology have meant that the touch screen display ranges from mobile phones and pocket computers to ATMs and information points from time to time.
Touchscreens use a variety of ways to use infrared to detect finger heat for more accurate resistive and capacitive touch screens that use an electrical field.
Screen savers have obvious advantages over conventional monitors, as the GUI and touch screen mean that the display can function as an input and output device, so there is no need for separate keyboards and mice and associated wires.
When choosing a touch screen, we need to ask a few questions – what kind of tasks will we use on the display, how clear the monitor should be, what kind of environment should it be placed and how sensitive it should be?
In an industrial environment where the display needs to end contaminants, such as grease, dirt and dust or leak, the sealed capacitive touch screen would be the best solution. They are very durable and robust, and many of them are waterproof and dust resistant (IP56 and IP65).
If you need more clarity on the screen (most touchscreens have less illumination than conventional monitors), for example, for surgical or medical use, the surface wave-based touch screen is the best option. These ultrasound detects when they affect them and can easily be damaged, but offer better purity and optical precision than other systems.
If the touchscreen is left in a public area, unattended or externally, the simplest form of the touch screen, the strain gauges where the screen is spring-mounted on the four corners, and the motion measurement on the screen is touched by far the most durable touchscreen. Although they are not as sensitive as other types of touch screens, they are often used when there is a risk of vandalism.