Heart Is Your Key: Apple Devices To Be Unlocked With Your Heartbeat

Apple is on the verge of introducing a revolutionary security feature that could allow users to unlock their devices using their unique heart rhythms. This innovation, outlined in a recently granted patent, builds on the existing ECG (electrocardiogram) capabilities of the Apple Watch and potentially future iPhone models.

The patent describes a method for using an individual's unique heart rhythm as a biometric identifier. According to Apple Insider, the technology involves an integrated sensor in electronic devices that detects cardiac activity and electrical signals. This data can then be used to authenticate the user and perform operations based on their identity.

Currently, Apple Watches use ECG sensors to monitor heart rhythms through two contact points: a sensor on the back of the watch and the digital crown, which users touch with their finger. This setup completes a circuit to measure the heart's electrical signals when the ECG app is activated. The new feature could leverage this technology to allow users to unlock their connected Apple devices by simply wearing their Apple Watch, enhancing both convenience and security.

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Similar to the existing feature that lets users unlock Macs with their Apple Watch, this new method would utilize heart rhythm data for device access. The patent also hints at future iPhones potentially incorporating ECG sensors, enabling users to unlock their phones by merely holding them.

Moreover, the patent suggests the technology could extend beyond authentication to include mood detection. For example, the device could adjust music based on the user’s current emotional state during a workout by analyzing heart rhythm data.

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The patent credits inventors Gloria Lin, Taido L. Makajima, Pareet Rahul, and Andrew B. Hodge. Lin, in particular, has a notable background in biometric identification technologies. If realized, this feature could mark a significant advancement in how devices recognize and interact with their users, combining convenience with enhanced security.