On September 7, Apple presented the second generation of the Apple Watch, two years after its official presentation. The new models are now available for purchase almost worldwide and Rumors have already begun to circulate about the new model, which would be the third generation of the Apple Watch. The United States Patent and Trademark Office today released a new patent suggesting that the Apple Watch could identify its owner based on their heartbeat. The name of the patent reads' Identification system based on plethysmography.
This patent describes how the pulse oximeter is used to determine the biometric signature of a user's heart rhythms. This data could be used to identify the wearer and unlock the watch in a similar way to Touch ID on the iPhone. This system works in a similar way to existing monitors, by projecting light onto the user's skin and the amount of light absorbed and reflected back to the device.
In this way the measurement can be used to determine the amount of blood present in the blood vessels. According to this patent, the data collected by the two photosensors is stored or compared with the information previously saved. to positively identify the user.
In another patent associated with this, also published by the United States Patent and Trademark Office, this system also would take into account motion sensors, accelerometer and gyroscope to determine the user's movement. Certain gestures, for example raising the device to head height, trigger the authentication process.
Logically all these new security measures for the Apple Watch are fine as long as it does not start to slow down the experience of making use of it if it has to be identified every time we lift the wrist to see the time or make use of it.