It seems that competition in the manufacturer's safety methods has already begun to abandon fingerprint release and has begun to focus on new technologies for these methods.
Today are probably businesses Focus on 3D unlocking the face, as we saw in the new iPhone, Mate 20 Pro, and the rest of the manufacturers who opted for this type of security and use it for their current phones. It was also revealed today's new patent registered by Google for additional devices.
Obviously, however, as these patents show, it will not only be safe and unlocked, but can also be used in order to find the location of objects that contain light detectors relative to other objects.
To better understand, it would be possible to have the ability to read the position of the user's hand with respect to another part of the body and to recognize each part as the light coming from, so that gestures can be detected and performed.
This is expected The new technology debuted in mid-2019 and could be used on upcoming Google devices, where it will also serve to detect the location of the object in the environment. They could therefore also include unmanned aircraft positioning.
Source: Apple Patents