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Samsung's Smartwatch Will Use Your Heartbeats to Unlock Your Smartphone
- LoneWolf 12y agoSeems interesting but I don't understand how feasible this is, our heartbeat is not exactly the same all the time, sometimes beats faster, sometimes slower, what a I missing?
- tripzilch 12y agoI don't know how accurate their readings are, but it's (like you say) not the frequency that is unique, however the exact shape and intervals of the PQRST points within a single ECG period is. See also: https://en.wikipedia.org/wiki/Electrocardiography https://en.wikipedia.org/wiki/Electrocardiography