KR102403143B1 - 양극성 펄서를 위한 대칭 수신기 스위치 - Google Patents

양극성 펄서를 위한 대칭 수신기 스위치 Download PDF

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KR102403143B1
KR102403143B1 KR1020187031301A KR20187031301A KR102403143B1 KR 102403143 B1 KR102403143 B1 KR 102403143B1 KR 1020187031301 A KR1020187031301 A KR 1020187031301A KR 20187031301 A KR20187031301 A KR 20187031301A KR 102403143 B1 KR102403143 B1 KR 102403143B1
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gate
source
transistor
terminal
circuit
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KR20180127463A (ko
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카이리앙 첸
타일러 에스. 랠스턴
키쓰 지. 피프
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버터플라이 네트워크, 인크.
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/521—Constructional features
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52019—Details of transmitters
    • G01S7/5202—Details of transmitters for pulse systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
    • G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52046—Techniques for image enhancement involving transmitter or receiver
    • G01S7/52047—Techniques for image enhancement involving transmitter or receiver for elimination of side lobes or of grating lobes; for increasing resolving power
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/5205—Means for monitoring or calibrating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52079—Constructional features
    • G01S7/5208—Constructional features with integration of processing functions inside probe or scanhead
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic 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
    • H03K17/687—Electronic 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
    • H03K17/6871—Electronic 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
    • H03K17/6874—Electronic 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)
KR1020187031301A 2016-03-31 2017-03-31 양극성 펄서를 위한 대칭 수신기 스위치 Active KR102403143B1 (ko)

Applications Claiming Priority (3)

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

Publications (2)

Publication Number Publication Date
KR20180127463A KR20180127463A (ko) 2018-11-28
KR102403143B1 true KR102403143B1 (ko) 2022-05-27

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Country Status (9)

Country Link
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
US10859687B2 (en) 2016-03-31 2020-12-08 Butterfly Network, Inc. Serial interface for parameter transfer in an ultrasound device
US9778348B1 (en) 2016-03-31 2017-10-03 Butterfly Network, Inc. Symmetric receiver switch for 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
US10082565B2 (en) 2016-03-31 2018-09-25 Butterfly Network, Inc. Multilevel bipolar pulser
WO2019213388A1 (en) 2018-05-03 2019-11-07 Butterfly Network, Inc. Pressure port for ultrasonic transducer on cmos sensor
US11558062B2 (en) 2019-07-25 2023-01-17 Bfly Operations, Inc. Methods and apparatuses for turning on and off an ADC driver 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
CN114556140A (zh) * 2019-09-19 2022-05-27 布弗莱运营公司 用于超声设备的对称接收器开关
US20210328564A1 (en) 2020-04-16 2021-10-21 Butterfly Network, Inc. Methods and circuitry for built-in self-testing of circuitry and/or transducers in ultrasound devices
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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008272471A (ja) * 2007-04-26 2008-11-13 General Electric Co <Ge> マルチレベル送信機を備える再構成可能なアレイ
JP2012095168A (ja) 2010-10-28 2012-05-17 Hitachi Ltd 半導体装置、およびそれを用いた超音波診断装置
US20150032002A1 (en) 2013-07-23 2015-01-29 Butterfly Network, Inc. Interconnectable ultrasound transducer probes and related methods and apparatus
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

Family Cites Families (65)

* 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
US5608409A (en) 1995-03-28 1997-03-04 Rilling; Kenneth F. Adaptive array with automatic loop gain control
US5929811A (en) 1995-03-28 1999-07-27 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
JP2003319938A (ja) 2002-04-30 2003-11-11 Matsushita Electric Ind Co Ltd 超音波診断装置
US6653891B1 (en) 2002-07-09 2003-11-25 Intel Corporation Voltage regulation
US6917636B2 (en) 2002-08-22 2005-07-12 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
DE60305505T2 (de) 2003-10-23 2007-04-26 Sony Ericsson Mobile Communications Ab Leistungssteuerungsschaltkreis für eine mobile Endgeräteanwendung
US7314445B2 (en) 2003-12-30 2008-01-01 General Electric Company Integrated low-voltage transmit/receive switch for ultrasound imaging system
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
CA2650778C (en) 2006-05-12 2012-03-13 The Governors Of The University Of Alberta Ultrasound stimulation devices and techniques
WO2007148239A2 (en) 2006-06-23 2007-12-27 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
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
WO2009037655A2 (en) 2007-09-17 2009-03-26 Koninklijke Philips Electronics, N.V. Production of pre-collapsed capacitive micro-machined ultrasonic transducers and applications thereof
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
AU2009243918A1 (en) 2008-05-07 2009-11-12 Signostics Limited Docking system for medical diagnostic scanning using a handheld device
GB2459862B (en) 2008-05-07 2010-06-30 Wolfson Microelectronics Plc Capacitive transducer circuit and method
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
EP2383550A1 (en) * 2010-04-28 2011-11-02 Miitors ApS Ultrasonic flow meter
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
AU2012326218B2 (en) 2011-10-17 2017-03-09 Butterfly Network, 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
US9704474B2 (en) 2012-11-28 2017-07-11 B-K Medical Aps Ultrasound imaging probe with sigma-delta beamformer and apodization therein
US20140243614A1 (en) 2013-02-26 2014-08-28 Butterfly Network, Inc. Transmissive imaging and related apparatus and methods
GB2511556A (en) 2013-03-07 2014-09-10 Sharp Kk Ultrasound imaging
CA2903479C (en) 2013-03-15 2023-10-10 Butterfly Network, Inc. Monolithic ultrasonic imaging devices, systems and methods
EP2969914B1 (en) 2013-03-15 2020-01-01 Butterfly Network Inc. Complementary metal oxide semiconductor (cmos) ultrasonic transducers and methods for forming the same
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
WO2015161164A1 (en) 2014-04-18 2015-10-22 Butterfly Network, Inc. Ultrasonic imaging compression methods and apparatus
EP3132441B1 (en) 2014-04-18 2020-11-25 Butterfly Network, Inc. Architecture of single substrate ultrasonic imaging devices, related apparatuses
US10145728B2 (en) * 2014-09-15 2018-12-04 Stmicroelectronics S.R.L. Reception and transmission circuit for a capacitive micromachined ultrasonic transducer
CA2962785A1 (en) 2014-10-07 2016-04-14 Butterfly Network, Inc. Ultrasound signal processing circuitry and related apparatus and methods
AU2015328143B2 (en) 2014-10-08 2017-11-23 Butterfly Network, Inc. Parameter loader for ultrasound probe and related apparatus and methods
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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008272471A (ja) * 2007-04-26 2008-11-13 General Electric Co <Ge> マルチレベル送信機を備える再構成可能なアレイ
JP2012095168A (ja) 2010-10-28 2012-05-17 Hitachi Ltd 半導体装置、およびそれを用いた超音波診断装置
US20150032002A1 (en) 2013-07-23 2015-01-29 Butterfly Network, Inc. Interconnectable ultrasound transducer probes and related methods and apparatus
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

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AU2017240043A1 (en) 2018-10-11
EP3435872B1 (en) 2023-06-07
JP6975721B2 (ja) 2021-12-01
US9778348B1 (en) 2017-10-03
JP2019514256A (ja) 2019-05-30
CN109069106A (zh) 2018-12-21
US10094917B2 (en) 2018-10-09
TWI729108B (zh) 2021-06-01
US20180321365A1 (en) 2018-11-08
US11061125B2 (en) 2021-07-13
WO2017173211A1 (en) 2017-10-05
US20170322293A1 (en) 2017-11-09
EP3435872C0 (en) 2023-06-07
US20170285150A1 (en) 2017-10-05
TW201809719A (zh) 2018-03-16
CA3018967A1 (en) 2017-10-05
CN109069106B (zh) 2022-03-08
EP3435872A4 (en) 2019-11-27
KR20180127463A (ko) 2018-11-28
EP3435872A1 (en) 2019-02-06
AU2017240043B2 (en) 2021-12-16

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