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

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United States of America Patent

PATENT NO 12203894
APP PUB NO 20240159714A1
SERIAL NO

18507509

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
BFLY OPERATIONS INC530 OLD WHITFIELD STREET GUILFORD CT 06437

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Chao Madison, US 465 7035
Chen, Kailiang Branford, US 69 1108
Chiu, Leung Kin Branford, US 6 29
Kook, Youn-Jae Winchester, US 7 23
Lee, Jihee Seoul, KR 6 15
Lutsky, Joseph Los Altos, US 20 208
Sanchez, Nevada J Guilford, US 144 3830
Schaetz, Sebastian Leipzig, DE 3 9
Soleimani, Hamid Guilford, US 14 73

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