The latest generation of Apple Watch recognizes user identity through heart rate

According to the MacRumors website, a patent application file published today by the US Patent and Trademark Office indicates that a new generation of Apple Watch can identify users by monitoring heart rate.

The latest generation of Apple Watch recognizes user identity through heart rate

The patent filed by Apple is referred to as "a plethysmographic based user identification system" and describes a method for determining a user's heartbeat biometric signal using a pulse oximeter. The resulting data can be used to identify the wearer's identity and unlock the Apple Watch in a similar way to the Touch ID on the iPhone.

According to MacRumors, the new system works like the existing monitoring system, projecting light onto the user's skin, measuring the light that is absorbed and reflected back, and using this to determine the blood content in the blood vessels. According to the patent application, the data collected by the two photoreceptors can be stored or compared with previously stored information to identify the user.

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