Multitouch in logistics

What is multitouch?

For intuitive machine control: multitouch operating concepts

In order to be able to make the right decisions in machine and plant control, functional technology is required. With the help of a so-called multi-touch display, users are enabled to work ergonomically and to control tasks safely even in adverse environments. Multitouch operating concepts are often found in logistics terminals that are specially designed for working in complex environments (dust, water, vibration, heat, cold).

Such industrial PC systems are based on various processes, which we are pleased to describe below:

Resistive touch

The standard variant for touch display (not multitouch capable): Two transparent foils are printed over the display, a touch point is created.

Projected capacitive touchscreen (PCAP)

Conductive objects that touch the display to control the touchscreen are detected by means of capacitive coupling. This allows up to ten touch points to be implemented.

Infrared light curtain

Special infrared light barriers are interrupted as soon as the multitouch display is touched. Thus, up to two touch points can be implemented.

Diffused Illumination

By means of a camera, the display surface is permanently monitored, which allows any number of touch points. However, the system is sensitive to daylight.


Logistik-Lexikon Multitouch

Image: gwycech / Shutterstock

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