Multilevel bipolar pulser

K Chen, TS Ralston, KG Fife - US Patent 10,082,565, 2018 - Google Patents
Circuitry for ultrasound devices is described. A multilevel pulser is described, which can
provide bipolar pulses of multiple levels. The multilevel pulser includes a pulsing circuit and …

Symmetric receiver switch for bipolar pulser

K Chen, TS Ralston, KG Fife - US Patent 9,778,348, 2017 - Google Patents
Circuitry for ultrasound devices is described. A multilevel pulser is described, which can
provide bipolar pulses of multiple levels. The multilevel pulser includes a pulsing circuit and …

Multilevel bipolar pulser

K Chen, TS Ralston, KG Fife - US Patent 11,294,044, 2022 - Google Patents
Circuitry for ultrasound devices is described. A multilevel pulser is described, which can
provide bipolar pulses of multiple levels. The multilevel pulser includes a pulsing circuit and …

Symmetric receiver switch for bipolar pulser

K Chen, TS Ralston, KG Fife - US Patent 10,094,917, 2018 - Google Patents
Circuitry for ultrasound devices is described. A multilevel pulser is described, which can
provide bipolar pulses of multiple levels. The multilevel pulser includes a pulsing circuit and …

Symmetric receiver switch for bipolar pulser

K Chen, TS Ralston, KG Fife - US Patent 11,061,125, 2021 - Google Patents
Circuitry for ultrasound devices is described. A multilevel pulser is described, which can
provide bipolar pulses of multiple levels. The multilevel pulser includes a pulsing circuit and …

Charge amplifier circuit with a high output dynamic range for a microelectromechanical sensor

A Danioni - US Patent 11,177,779, 2021 - Google Patents
A charge amplifier circuit is provided. The charge amplifier circuit is couplable to a
transducer that generates an electrical charge that varies with an external stimulus. The …

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

C Chen, YJ Kook, J Lee, K Chen, LK Chiu… - US Patent …, 2023 - Google Patents
Aspects of the technology described herein relate to built-in self-testing (BIST) of circuitry
(eg, a pulser or receive circuitry) and/or transducers in an ultrasound device. A BIST circuit …

Multilevel bipolar pulser

K Chen, TS Ralston, KG Fife - US Patent 11,768,282, 2023 - Google Patents
Circuitry for ultrasound devices is described. A multilevel pulser is described, which can
provide bipolar pulses of multiple levels. The multilevel pulser includes a pulsing circuit and …

Charge amplifier circuit with a high output dynamic range for a microelectromechanical sensor

A Danioni - US Patent 11,824,503, 2023 - Google Patents
A charge amplifier circuit is provided. The charge amplifier circuit is couplable to a
transducer that generates an electrical charge that varies with an external stimulus. The …

Symmetric receiver switch for ultrasound devices

K Chen, DR McMahill, J Lutsky, KG Fife… - US Patent …, 2024 - Google Patents
Circuitry for an ultrasound device is described. The ultrasound device may include a
symmetric switch positioned between a pulser and an ultrasound transducer. The pulser …