This is a tiny radar system designed to detect emotions. It bounces millimeter-wave radio signals off people or animals to measure their heartbeats and breathing rates. By tracking these vital signs and how they change, it calculates an "emotion value" like excitement or calmness, with one version specifically integrated into a mobile device.
Why it matters: Since 2017, mm-wave radar modules have become more compact and affordable, making integration into mobile devices (as claimed) more feasible. Advances in on-device AI also simplify the complex vital sign analysis needed for emotion detection.
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