For example, display and touch systems in medical applications must be much more robust:
In particular, EMC requirements require that no ghost touches are generated in an irradiation of 28V/m in some frequency ranges. Of course, our new touch controller means this is no longer an issue and the big challenge is to avoid ghost touches in high frequency surgery devices.
To address this, we have designed a highly robust touch solution that passes all necessary EMI/EMC tests and will eventually even block ghost touches from any nearby high frequency surgery devices or their cables.
To achieve this and ensuring that all issues are now avoided in medical applications, we adapted the pattern of the X/Y layers in the touch and added new special filters in the algorithm for the frequency of the touch IC (based on the SIS 95xx family).
This level of touch optimization is currently unique to Avnet and sits within our ability to improve time to market for our customers, even with such an important category of custom displays and HMIs.
Indeed, such HMIs are responsible for truly enhancing the patient/clinician experience by offering a 3D touch visualization which can be quickly shared with the patient (see left for example). Equally, such solutions are timesaving for doctors, allowing them to see more patients.
Extending the 12.1” display size offering, Avnet Displays adds another bright addition to the SimplePlus Touch Display family — combining trusted performance with an even broader choice for our customers.
Technologies tend to come full circle, but in this case we mean literally – combining an advanced rotary encoder (and encoder shell) with a 1.28-inch circular TFT display for a single, compact control solution. Users can navigate with precision by simply turning or pressing the knob, while the integrated screen displays menus, status updates or graphics right at the point of interaction.
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Stefano Rosato - Director, Technical Touch Technology at Avnet Stefano Rosato is director of technical touch technology in the Display Solutions team at Avnet. Stefano helps customers solve touch challenges and supports customers through the whole design-in phase for touchscreen integration. With deep knowledge about PCAP technology, along with its design-in rules, tuning and pattern designs, Stefano is a leading expert in the touchscreen industry.Read More |
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