Displays
selected for Product of the Year in the category Industry and IoT, as well as the camera-based gesture control, where an appropriate software solution converts hand movements into cursor movements. The two approaches differ in functionality and design, and depending on the application and the required size of the touch screen or system accordingly used. In the case of capacitive gesture control, an in-house developed controller board based on GestICe technology is used, combining 2D-PCAP functionality with 3D gesture control. This ensures a seamless synchronisation between 2D PCAP Touch Scan and 3D Gesture Scan, and in addition to the usual touch input on the screen also enables touchless system input by means of simple hand movements (gestures). The amount of commands in the GUI software includes multiple gestures which are detected by the capacitive sensor and translated into the corresponding system commands. One that is well known and widely used is the so-called swiping gesture (flick/swipe), which can be used for both vertical (up/down) and horizontal (left/right) actions. Depending on the customer’s requirements and the subsequent area of application, other gestures such as AirWheel (rotating gesture) can be implemented. One feature of this intuitive and capacitive-based gesture control is comparatively easy integration into an existing system. This is primarily used for diagonal sizes of five to 15.6 inches, as in this size range the gestures can be optimally detected by the surrounding transmitting and receiving electrodes. On the other hand, for large format diagonals the camera-based touchless solution, which DATA MODUL has recently added to the portfolio, is better suited. With this technology, the user’s hand movements are automatically detected by the software in this specially developed Plug&Play camera solution and converted into the corresponding screen cursor actions using a virtual model. Depending on the camera’s recording angle, an interactive UI display screen area of up to 29 inches in portrait format, as well as up to 40 inches in landscape format, can be achieved in one time. The overall display diagonals can be individually adjusted to the customer’s requirements and consequently may also be much larger than the actual UI interaction area. The camera-based touchless technology can also be integrated effortlessly into existing systems. If the existing system is not equipped with a special camera for a touchless UI display, this can be simply retrofitted by the display experts - as well as the software solution for the required gesture recognition performance. Touchless display technologies such as capacitive-based or camera- based gesture control with their innovative Human Machine Interfaces are used in numerous application areas and are becoming
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ouchless display technologies are not only impressive due to their simple and intuitive user interface, but also due to offering hygiene benefits. DATA MODUL presents two of these pioneering technology solutions in its current portfolio: the capacitive-based gesture control, which has already been
Touchless technologies for
displays and POS systems
increasingly popular. Both reliably combine very important aspects for today’s world: intuitive and hygienic operation. A combination that is not only highly relevant for the medical field, but is also becoming increasingly important in the public sector and other industries. The advantages for information, registration, or ordering and payment terminals, or for the food industry, are obvious. They are also already being implemented successfully in the automotive and gaming sector. For example, by helping to maintain concentration on the driving process and interaction with the car, or to promote immersive virtual reality gaming experiences.
DATA MODUL
www.data-modul.com
NEW TRANSFLECTIVE IPS DISPLAY
transmits light in different environmental conditions. When under dim or dark ambient situation, the light from a backlight is transmitted through the transflective layer providing light for the display. However, in bright ambient conditions, for example when exposed to daylight, the TFT acts as a reflective display, which enhances the display image and improves the contrast. As an IPS panel, it also benefits from all-round viewing angle and excellent response times. “This transflective technology is ideally
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suited for outdoor applications,” says Clive Dickinson, business manager for displays at GTK. “In daylight hours the display operates
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TK UK has announced the availability of a new 5.0” transflective IPS TFT display. This TFT both reflects and
in reflective mode using natural light and this minimises power usage. At night, the display switches to transmissive mode, using the backlight to illuminate the display. A practical example of this would be an outdoor parking meter display being easily readable in daylight and at night an IR sensor triggering the backlight when a user approaches the meter.” “The advantage of this technology is that
the reduced power usage can extend the life of the product by between three to five years, which is significant for OEMs and this needs to be considered when calculating the full lifetime cost of the finished product,” Dickinson adds. “Other applications for this technology include handheld meters, kiosk displays, EV chargers, marine electronics and outdoor digital displays.”
GTK can provide technical support and guidance for OEMS considering this innovative technology and advise on customisation options such as capacitive touch technology and custom bezels.
GTK
www.gtk.co.uk October 2022 Instrumentation Monthly
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