CN109069106B - 用于双极性脉冲器的对称接收器开关 - Google Patents

用于双极性脉冲器的对称接收器开关 Download PDF

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Publication number
CN109069106B
CN109069106B CN201780025290.7A CN201780025290A CN109069106B CN 109069106 B CN109069106 B CN 109069106B CN 201780025290 A CN201780025290 A CN 201780025290A CN 109069106 B CN109069106 B CN 109069106B
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transistor
gate
terminal
source
circuit
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Chinese (zh)
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CN109069106A (zh
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陈凯亮
泰勒·S·拉尔斯顿
基思·G·菲费
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Butterfly Network Inc
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Butterfly Network Inc
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/521Constructional features
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52019Details of transmitters
    • G01S7/5202Details of transmitters for pulse systems
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88Sonar systems specially adapted for specific applications
    • G01S15/89Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8909Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
    • G01S15/8915Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52046Techniques for image enhancement involving transmitter or receiver
    • G01S7/52047Techniques for image enhancement involving transmitter or receiver for elimination of side lobes or of grating lobes; for increasing resolving power
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/5205Means for monitoring or calibrating
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52079Constructional features
    • G01S7/5208Constructional features with integration of processing functions inside probe or scanhead
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/687Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
    • H03K17/6871Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors the output circuit comprising more than one controlled field-effect transistor
    • H03K17/6874Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors the output circuit comprising more than one controlled field-effect transistor in a symmetrical configuration

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Transducers For Ultrasonic Waves (AREA)
CN201780025290.7A 2016-03-31 2017-03-31 用于双极性脉冲器的对称接收器开关 Active CN109069106B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15/087,943 US9778348B1 (en) 2016-03-31 2016-03-31 Symmetric receiver switch for bipolar pulser
US15/087,943 2016-03-31
PCT/US2017/025269 WO2017173211A1 (en) 2016-03-31 2017-03-31 Symmetric receiver switch for bipolar pulser

Publications (2)

Publication Number Publication Date
CN109069106A CN109069106A (zh) 2018-12-21
CN109069106B true CN109069106B (zh) 2022-03-08

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US (3) US9778348B1 (enExample)
EP (1) EP3435872B1 (enExample)
JP (1) JP6975721B2 (enExample)
KR (1) KR102403143B1 (enExample)
CN (1) CN109069106B (enExample)
AU (1) AU2017240043B2 (enExample)
CA (1) CA3018967A1 (enExample)
TW (1) TWI729108B (enExample)
WO (1) WO2017173211A1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9778348B1 (en) 2016-03-31 2017-10-03 Butterfly Network, Inc. Symmetric receiver switch for bipolar pulser
US10082565B2 (en) 2016-03-31 2018-09-25 Butterfly Network, Inc. Multilevel bipolar pulser
US11154279B2 (en) * 2016-03-31 2021-10-26 Bfly Operations, Inc. Transmit generator for controlling a multilevel pulser of an ultrasound device, and related methods and apparatus
US10859687B2 (en) 2016-03-31 2020-12-08 Butterfly Network, Inc. Serial interface for parameter transfer in an ultrasound device
KR20210005208A (ko) 2018-05-03 2021-01-13 버터플라이 네트워크, 인크. Cmos 센서 상의 초음파 트랜스듀서를 위한 압력 포트
EP4003179A4 (en) 2019-07-25 2023-08-09 BFLY Operations, Inc. METHODS AND DEVICES FOR SWITCHING ON AND OFF AND ADC DRIVERS IN AN ULTRASOUND DEVICE
JP2021038981A (ja) * 2019-09-02 2021-03-11 株式会社日立製作所 容量検出型超音波トランスデューサを使用した計測方法
WO2021055721A1 (en) * 2019-09-19 2021-03-25 Butterfly Network, Inc. Symmetric receiver switch for ultrasound devices
TW202210830A (zh) 2020-04-16 2022-03-16 美商蝴蝶網路公司 用於超音波裝置中之電路系統及/或換能器之內建自測試的方法和電路系統
US11808897B2 (en) 2020-10-05 2023-11-07 Bfly Operations, Inc. Methods and apparatuses for azimuthal summing of ultrasound data
IT202100004466A1 (it) * 2021-02-25 2022-08-25 St Microelectronics Srl Circuito generatore di impulsi multilivello e procedimento di funzionamento di un circuito generatore di impulsi multilivello
WO2022212671A1 (en) 2021-04-01 2022-10-06 Bfly Operations, Inc. Apparatuses and methods for configuring ultrasound devices
US12408895B2 (en) * 2022-11-10 2025-09-09 Fujifilm Corporation Ultrasound probe and ultrasound diagnostic apparatus

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1649545A (zh) * 2002-04-30 2005-08-03 松下电器产业株式会社 超声诊断仪
US7314445B2 (en) * 2003-12-30 2008-01-01 General Electric Company Integrated low-voltage transmit/receive switch for ultrasound imaging system
CN102545860A (zh) * 2010-10-28 2012-07-04 株式会社日立制作所 半导体装置、以及使用该半导体装置的超声波诊断装置
CN102869959A (zh) * 2010-04-28 2013-01-09 米托尔斯有限公司 超声波流量计
WO2015189982A1 (ja) * 2014-06-13 2015-12-17 株式会社日立製作所 スイッチ回路およびこれを用いた超音波探触子ならびに超音波診断装置
CN105425227A (zh) * 2014-09-15 2016-03-23 意法半导体股份有限公司 用于电容性微机械超声换能器的接收和发射电路

Family Cites Families (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3643181A (en) 1970-06-11 1972-02-15 Us Army Amplitude and/or frequency-modulated paramagnetic resonance oscillator
JPS6169212A (ja) * 1984-09-12 1986-04-09 Fujitsu Ltd スイツチング回路
JPS62240032A (ja) * 1986-04-10 1987-10-20 株式会社東芝 超音波診断装置
US7103188B1 (en) 1993-06-23 2006-09-05 Owen Jones Variable gain active noise cancelling system with improved residual noise sensing
US5487015A (en) 1993-09-13 1996-01-23 Rockwell International Corporation Self-oscillating driver circuit for a quartz resonator of an angular rate sensor
US5929811A (en) 1995-03-28 1999-07-27 Rilling; Kenneth F. Adaptive array with automatic loop gain control
US5608409A (en) 1995-03-28 1997-03-04 Rilling; Kenneth F. Adaptive array with automatic loop gain control
JPH0974345A (ja) * 1995-09-05 1997-03-18 Fuji Electric Co Ltd 絶縁ゲート半導体素子の駆動回路
JP2870478B2 (ja) 1996-04-25 1999-03-17 日本電気株式会社 不揮発性半導体記憶装置及びその動作方法
US6459743B1 (en) 1998-08-07 2002-10-01 Telefonaktiebolaget Lm Ericsson (Publ) Digital reception with radio frequency sampling
US6241676B1 (en) 1999-06-10 2001-06-05 Agilent Technologies, Inc. Ultrasound transmit waveforms having low harmonic content
US6549074B2 (en) 2000-12-05 2003-04-15 Nippon Telegraph And Telephone Corporation Transconductance amplifier, filter using the transconductance amplifier and tuning circuitry for transconductance amplifier in the filter
US7115093B2 (en) 2001-11-21 2006-10-03 Ge Medical Systems Global Technology Company, Llc Method and system for PDA-based ultrasound system
US6653891B1 (en) 2002-07-09 2003-11-25 Intel Corporation Voltage regulation
WO2004038871A2 (en) 2002-08-22 2004-05-06 Xponent Photonics Inc. Grating-stabilized semiconductor laser
US7313053B2 (en) 2003-03-06 2007-12-25 General Electric Company Method and apparatus for controlling scanning of mosaic sensor array
JP4116930B2 (ja) 2003-06-03 2008-07-09 古野電気株式会社 超音波送信装置、超音波送受信装置、および探知装置
US7549961B1 (en) 2003-07-31 2009-06-23 Sonosite, Inc. System and method supporting imaging and monitoring applications
JP2005072031A (ja) 2003-08-22 2005-03-17 Renesas Technology Corp 高周波用半導体装置および通信用電子部品並びに無線通信システム
ATE327601T1 (de) 2003-10-23 2006-06-15 Sony Ericsson Mobile Comm Ab Zusätzliche regelung des referenzsignals der automatischen leistungsregelung in einem mobilen endgerät
US7588539B2 (en) 2004-01-21 2009-09-15 Siemens Medical Solutions Usa, Inc. Integrated low-power pw/cw transmitter
WO2005120359A1 (ja) 2004-06-11 2005-12-22 Olympus Corporation 超音波プローブ装置及び超音波診断装置
JP2006031801A (ja) 2004-07-14 2006-02-02 Nec Electronics Corp 電位切換回路,それを備えたフラッシュメモリ,及び電位切換方法
US7214189B2 (en) 2004-09-02 2007-05-08 Proteus Biomedical, Inc. Methods and apparatus for tissue activation and monitoring
US7888709B2 (en) 2004-09-15 2011-02-15 Sonetics Ultrasound, Inc. Capacitive micromachined ultrasonic transducer and manufacturing method
US7775979B2 (en) * 2005-06-29 2010-08-17 General Electric Company Transmit and receive interface array for highly integrated ultrasound scanner
US8465431B2 (en) 2005-12-07 2013-06-18 Siemens Medical Solutions Usa, Inc. Multi-dimensional CMUT array with integrated beamformation
WO2007131337A1 (en) 2006-05-12 2007-11-22 The Governors Of The University Of Alberta Ultrasound stimulation devices and techniques
EP2034878A2 (en) 2006-06-23 2009-03-18 Koninklijke Philips Electronics N.V. Timing controller for combined photoacoustic and ultrasound imager
JP4946572B2 (ja) 2007-03-30 2012-06-06 株式会社日立製作所 半導体集積回路装置
US7824335B2 (en) * 2007-04-26 2010-11-02 General Electric Company Reconfigurable array with multi-level transmitters
JP5214169B2 (ja) 2007-05-17 2013-06-19 ルネサスエレクトロニクス株式会社 半導体装置
CN101969856B (zh) 2007-09-17 2013-06-05 皇家飞利浦电子股份有限公司 预塌陷的电容微机械超声传感器的制造及其应用
US20090096489A1 (en) * 2007-10-16 2009-04-16 Broadcom Corporation High voltage tolerant over-current detector
US20090182233A1 (en) * 2008-01-10 2009-07-16 Robert Gideon Wodnicki Ultrasound System With Integrated Control Switches
GB2459862B (en) 2008-05-07 2010-06-30 Wolfson Microelectronics Plc Capacitive transducer circuit and method
NZ589503A (en) 2008-05-07 2013-07-26 Signostics Ltd Docking system for medical diagnostic scanning using a handheld device
US8176787B2 (en) 2008-12-17 2012-05-15 General Electric Company Systems and methods for operating a two-dimensional transducer array
US8207652B2 (en) 2009-06-16 2012-06-26 General Electric Company Ultrasound transducer with improved acoustic performance
US20110060225A1 (en) 2009-09-09 2011-03-10 General Electric Company Ultrasound probe with integrated pulsers
CN201535683U (zh) 2009-11-12 2010-07-28 中环天仪股份有限公司 压电超声换能器的驱动电路
CN102545800B (zh) 2010-12-29 2015-09-23 意法半导体研发(深圳)有限公司 放大信号的电路及其方法
CN103028199A (zh) 2011-10-09 2013-04-10 北京汇福康医疗技术有限公司 超声换能器的声场监控方法及装置
EP3689250B1 (en) 2011-10-17 2022-12-07 BFLY Operations, Inc. Transmissive imaging and related apparatus and methods
TWI493685B (zh) 2012-02-10 2015-07-21 E Ink Holdings Inc 主動陣列基板上之靜電防護結構
JP6003466B2 (ja) 2012-09-25 2016-10-05 セイコーエプソン株式会社 集積回路装置、超音波測定装置、超音波プローブ及び超音波診断装置
TWI477078B (zh) 2012-10-17 2015-03-11 Ind Tech Res Inst 電容性負載驅動電路以及脈衝激發裝置
WO2014083372A1 (en) 2012-11-28 2014-06-05 B-K Medical Aps Ultrasound imaging probe with sigma-delta beamformer and apodization therein
EP2961325A2 (en) 2013-02-26 2016-01-06 Butterfly Network Inc. Transmissive imaging and related apparatus and methods
GB2511556A (en) 2013-03-07 2014-09-10 Sharp Kk Ultrasound imaging
TWI663706B (zh) 2013-03-15 2019-06-21 美商蝴蝶網路公司 互補式金屬氧化物半導體(cmos)超音波換能器以及用於形成其之方法
WO2014151362A2 (en) 2013-03-15 2014-09-25 Butterfly Network, Inc. Monolithic ultrasonic imaging devices, systems and methods
TWI682817B (zh) 2013-07-23 2020-01-21 美商蝴蝶網路公司 可互連的超音波換能器探頭以及相關的方法和設備
FR3012273A1 (enExample) 2013-10-22 2015-04-24 St Microelectronics Sa
CN203616291U (zh) 2013-12-02 2014-05-28 河海大学常州校区 双极大功率脉冲超声波发生器
TWI671059B (zh) 2014-04-18 2019-09-11 美商蝴蝶網路公司 超音波成像壓縮方法和設備
WO2015161157A1 (en) 2014-04-18 2015-10-22 Butterfly Network, Inc. Architecture of single substrate ultrasonic imaging devices, related apparatuses, and methods
EP3203917A4 (en) 2014-10-07 2018-09-26 Butterfly Network, Inc. Ultrasound signal processing circuitry and related apparatus and methods
TWI719950B (zh) 2014-10-08 2021-03-01 美商蝴蝶網路公司 用於超音波探頭的參數載入器以及相關的設備及方法
US10695034B2 (en) 2015-05-15 2020-06-30 Butterfly Network, Inc. Autonomous ultrasound probe and related apparatus and methods
CN106571798A (zh) * 2015-10-08 2017-04-19 微芯片科技公司 优化的cmos模拟开关
US10082565B2 (en) 2016-03-31 2018-09-25 Butterfly Network, Inc. Multilevel bipolar pulser
US9778348B1 (en) 2016-03-31 2017-10-03 Butterfly Network, Inc. Symmetric receiver switch for bipolar pulser

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1649545A (zh) * 2002-04-30 2005-08-03 松下电器产业株式会社 超声诊断仪
US7314445B2 (en) * 2003-12-30 2008-01-01 General Electric Company Integrated low-voltage transmit/receive switch for ultrasound imaging system
CN102869959A (zh) * 2010-04-28 2013-01-09 米托尔斯有限公司 超声波流量计
CN102545860A (zh) * 2010-10-28 2012-07-04 株式会社日立制作所 半导体装置、以及使用该半导体装置的超声波诊断装置
WO2015189982A1 (ja) * 2014-06-13 2015-12-17 株式会社日立製作所 スイッチ回路およびこれを用いた超音波探触子ならびに超音波診断装置
CN105425227A (zh) * 2014-09-15 2016-03-23 意法半导体股份有限公司 用于电容性微机械超声换能器的接收和发射电路

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KR20180127463A (ko) 2018-11-28
JP2019514256A (ja) 2019-05-30
US9778348B1 (en) 2017-10-03
CN109069106A (zh) 2018-12-21
US20170285150A1 (en) 2017-10-05
EP3435872A4 (en) 2019-11-27
EP3435872C0 (en) 2023-06-07
AU2017240043B2 (en) 2021-12-16
US20170322293A1 (en) 2017-11-09
TW201809719A (zh) 2018-03-16
US10094917B2 (en) 2018-10-09
EP3435872A1 (en) 2019-02-06
EP3435872B1 (en) 2023-06-07
AU2017240043A1 (en) 2018-10-11
JP6975721B2 (ja) 2021-12-01
US20180321365A1 (en) 2018-11-08
TWI729108B (zh) 2021-06-01
CA3018967A1 (en) 2017-10-05
US11061125B2 (en) 2021-07-13
KR102403143B1 (ko) 2022-05-27
WO2017173211A1 (en) 2017-10-05

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