Selected Publications

Doctoral Dissertation

R. Przybyla, "Ultrasonic 3D Rangefinder on a Chip," Ph.D. Dissertation, University of California, Berkeley, CA, December 2013.

Journal Articles

R. Przybyla, H.-Y. Tang, S. Shelton, A. Guedes, D. Horsley, and B. Boser, "Ultrasonic 3D Rangefinder on a Chip," Journal of Solid State Circuits, vol. 50, no. 1, pp.320-334, January 2015.

R. Przybyla, S. Shelton, A. Guedes, I. Izyumin, M. Kline, D. Horsley, and B. Boser, "In-Air Rangefinding with an AlN Piezoelectric Micromachined Ultrasound Transducer," IEEE Sensors Journal, vol.11, no.11, pp.2690-2697, Nov. 2011.

Conference Publications

R. Przybyla, H.-Y. Tang, S. Shelton, D. Horsley, and B. Boser, "3D Ultrasonic Gesture Recognition," in Proc. International Solid State Circuits Conference 2014, San Francisco, CA, 9-13 February 2014.

S. Shelton, O. Rozen, A. Guedes, R. Przybyla, B. Boser, and D. Horsley, "Improved acoustic coupling of air-coupled micromachined ultrasonic transducers," in Proc. IEEE MEMS 2014, 26 January 2012, pp. 753-756.

R. Przybyla, S. Shelton, A. Guedes, R. Krigel, D. Horsley, and B. Boser, "In-air Ultrasonic Rangefinding and Angle Estimation using an Array of AlN Micromachined Transducers," in Proc. Hilton Head Solid-State Sensors, Actuators and Microsystems Workshop 2012, 3-7 June 2012, pp. 50-53.

S. Shelton, A. Guedes, R. Przybyla, R. Krigel, B. Boser, and D. Horsley, "Aluminum Nitride Piezoelectric Micromachined Ultrasound Transducer Arrays," in Proc. Hilton Head Solid-State Sensors, Actuators and Microsystems Workshop 2012, 3-7 June 2012, pp. 291-294.

R. Przybyla, A. Flynn, V. Jain, S. Shelton, A. Guedes, I. Izyumin, D. Horsley, and B. Boser, "A Micromechanical Ultrasonic Distance Sensor With >1 Meter Range," in Proc. Solid-State Sensors, Actuators and Microsystems Conference (TRANSDUCERS) 2011, pp.2070-2073, Beijing, China, 5-9 June 2011.

R. Przybyla, S. Shelton, A. Guedes, I. Izyumin, M. Kline, D. Horsley, and B. Boser, "An ultrasonic rangefinder based on an AlN piezoelectric micromachined ultrasound transducer," in Proc. IEEE Sensors 2010, Nov. 2010, pp. 2417-2421.

A. Guedes, S. Shelton, R. Przybyla, I. Izyumin, B. Boser, and D. Horsley, "Aluminum nitride pMUT based on a flexurally-suspended membrane," in Proc. Solid-State Sensors, Actuators and Microsystems Conference (TRANSDUCERS) 2011, pp.2062-2065, Beijing, China, 5-9 June 2011.

S. Shelton, M.-L. Chan, H. Park, D. Horsley, B. Boser, I. Izyumin, R. Przybyla, T.Frey, M. Judy, K. Nunan, F. Sammoura, and K. Yang, "CMOS-compatible AlN piezoelectric micromachined ultrasonic transducers," in Proc. IEEE Ultrasonics Symp. 2009, Oct. 2009, pp. 402-405.

G. Vigevani, R. Przybyla, T.-T. Yen, C.-M. Lin, A. Guedes, J. Kuypers, A. Pisano, "Characterization of a Single Port Aluminum Nitride Tuning Fork," in Proc. IEEE Ultrasonics Symp. 2010, Oct. 2010.

Press

Sonar drives gesture recognition startup

EE Times: Europe, May 5, 2014.

5 Hot Papers from ISSCC: Chirp Microsystems/UC Berkeley’s 3D ultrasonic gesture recognition sensor

EE Times, Feb. 14, 2014.

Holy Innovation, Batman: Using bat-like sonar, UC researchers
develop way to control smartwatches with a wave of your hand

California Magazine, Nov. 14, 2013.

New Chip to Detect Gestures in Front of Tiny Wearable Screens

Singularity Hub, Nov. 14, 2013.

Microchip Developed by UC Researchers
Allows Hands-Free use of Electronic Devices

The Daily Californian, Nov. 12, 2013.

A Gestural Interface for Smart Watches

MIT Technology Review, Nov. 1, 2013.

Follow on articles:

Phys.org Nov. 1, 2013

Gizmodo Nov. 1, 2013

TG Daily Nov. 1, 2013

Digital Trends Nov. 1, 2013

Silicon Angle Nov. 4, 2013

Communications of the ACM Nov. 4, 2013

Compulenta(Russian) Nov. 1, 2013

GGSoku(Japanese) Nov. 2, 2013

MIT Technology Review(Spanish) Nov. 5, 2013

Axxon Noticias(Spanish) Nov. 1, 2013

Tekniikka & Talous (Finnish) Nov. 5, 2013

The Biz Loft(Italian) Nov. 5, 2013

ifanr(Chinese) Nov. 4, 2013

NU nl(Dutch) Nov. 1, 2013