Bfly Operations, Inc.

Jihee Lee

Nevada J Sanchez

Kailiang Chen

Joseph Lutsky

Youn-Jae Kook

Hamid Soleimani

Leung Kin Chiu

Chao Chen

Sebastian Schaetz

Aspects of the technology described herein relate to built-in self-testing (BIST) of circuitry (e.g., a pulser or receive circuitry) and/or transducers in an ultrasound device. A BIST circuit may include a transconductance amplifier coupled between a pulser and receive circuitry, a capacitor network coupled between a pulser and receive circuitry, and/or a current source couplable to the input terminal of receive circuitry to which a transducer is also couplable. The collapse voltages of transducers may be characterized using BIST circuitry, and a bias voltage may be applied to the membranes of the transducers based at least in part on their collapse voltages. The capacitances of transducers may also be measured using BIST circuitry and a notification may be generated based on the sets of measurements.

Methods and circuitry for built-in self-testing of circuitry and/or transducers in ultrasound devices

Growing community of inventors

Seoul, South Korea

Jihee Lee