Qualcomm announces 3D Sonic Sensor, a new under-display fingerprint sensor for smartphones that uses sound waves to map fingerprints (Jessica Dolcourt/CNET)

Jessica Dolcourt / CNET:
Qualcomm announces 3D Sonic Sensor, a new under-display fingerprint sensor for smartphones that uses sound waves to map fingerprints  —  After years of prototypes and fine-tuning, Qualcomm on Tuesday finally announced a fingerprint reader that uses sound to unlock your phone.



from Techmeme http://www.techmeme.com/181204/p41#a181204p41