The company's patent describes a method by which a camera is used to help users unlock a device and access personal information.
Chipmaker's Real Sense 3D tech enables gesture controls, smarter drones and a jacket that can help the visually impaired.
Apple has yet to bring facial recognition to the iPhone and iPad, but a couple of iOS apps can detect your face to lock and unlock certain secrets.
The company's technology would use the front-facing camera to determine if a user is present, and launch unlock or lock actions based on that.
The Samsung Galaxy Nexus will hit shops on Thursday 17th November, Samsung has officially confirmed.
Google's next Android update, Ice Cream Sandwich, aims to unify the Android experience while centering on three design principles. Check out the new features.
Are we seeing a trend in smartphone technology that will emotionally tie us closer to our phones? CNET's Jessica Dolcourt says yes.