- Lorentz force magnetic sensors
- Piezoelectric micromachined ultrasonic transducers
- High-frequency micromachined ultrasonic transducers
Links for more information:
- A gestural interface for smart watches, MIT Technology Review, Nov. 1, 2013
- New Chip to Detect Gestures in Front of Tiny Wearable Screens, Singularity Hub.
- Holy Innovation, Batman: Using bat-like sonar, UC researchers develop way to control smartwatches with a wave of your hand, California Magazine.
- Microchip Developed by UC Researchers Allows Hands-Free use of Electronic Devices, The Daily Californian.