Microsoft appears to be withdrawing from games that track wearable device hardware, but the other side is still actively researching the value of wearables, such as the new heart rate detector patent that has just been exposed.
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According to the patent description, Microsoft's patent name "TRANSDUCING PRESSURE TO A NON-INVASIVE PULSE SENSOR" (non-invasive pulse monitoring sensor) will replace the traditional optical heart rate monitoring sensor, which is present in pulse oximetry and wristbands. Devices such as Fitbit, Microsoft Bracelet, Apple Watch, etc., require a physical piezoelectric sensor to squeeze between your wrist and device to directly test pulse beat.
Just like your doctor to test the pulse directly to get more data, rather than simple heart rate data, you can also monitor heart rate variability, arterial blood pressure, pulse wave velocity and reflected wave enhancement index.
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