Contactless sensing and contact-free identification: Trends, Devices and Systems

Touchless Technologies: The Future of Safe Access and Transactions in a Post-COVID World
With the onset of COVID-19, minimizing physical contact and practicing social distancing have become critical to preventing the spread of infections. Public and multi-user electronics systems, resources, facilities, and objects must now provide secure access while verifying user identity without physical interaction. The most effective way to achieve this is through touchless biometrics and sensing technologies powered by advanced electronics. Business transactions, particularly payments, have already embraced touchless solutions, with semiconductor-driven systems like QR code scanning and RFID-based card payments thriving globally. To enhance security further, technologies such as facial and voice recognition, enabled by sophisticated chips and sensors, are being integrated into payment and access electronics systems. As contact-based methods like fingerprint sensors and physical PIN entry become less safe, touchless technologies such as infrared sensing, facial recognition, and voice recognition are gaining prominence. Let’s explore these electronics-based technologies, their applications, market trends, and challenges, drawing from reliable industry insights.