JP7016811B2 - マルチレベル両極性パルサー - Google Patents
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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
- G01S7/52017—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
- G01S7/52022—Details of transmitters for pulse systems using a sequence of pulses, at least one pulse manipulating the transmissivity or reflexivity of the medium
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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
- G01S7/52017—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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
- A61B7/02—Stethoscopes
- A61B7/04—Electric stethoscopes
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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
- 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
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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
- 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
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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
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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
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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
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- G01S7/5205—Means for monitoring or calibrating
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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
- G01S7/52017—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
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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
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- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
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- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
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- Ultra Sonic Daignosis Equipment (AREA)
- Transducers For Ultrasonic Waves (AREA)
Description
本出願は、「MULTILEVEL BIPOLAR PULSER」と題された、2016年3月31日に代理人整理番号B1348.70026US00の下で出願された米国特許出願第15/087,914号の、米国特許法第120条の下での利益を主張する継続出願であり、その出願はその全体が参照により本明細書に組み込まれる。
Claims (17)
- 超音波機器であって、
少なくとも1つの静電容量型超音波トランスデューサと、
入力端子及び出力端子を有するパルサーであって、前記出力端子において前記静電容量型超音波トランスデューサに結合され、前記静電容量型超音波トランスデューサに、複数の選択可能な値から選択された値を有する入力信号を供給するように構成される、パルサーと、
前記パルサーの前記出力端子及び前記入力端子に結合されるフィードバック回路であって、前記入力信号を表す又は前記入力信号から導出された検出信号と、前記フィードバック回路によって生成された複数の比較閾値電圧のうちの第1の閾値電圧との比較に基づいて、制御信号を前記パルサーの前記入力端子に供給するように構成される、フィードバック回路と、
前記フィードバック回路に前記検出信号を供給するように構成された分割回路と、を備え、前記検出信号の電圧は、前記入力信号の電圧に比例し、前記フィードバック回路は、前記複数の比較閾値電圧を生成するように構成された抵抗ラダーを備える、超音波機器。 - 請求項1に記載の超音波機器であって、
前記パルサーは、前記静電容量型超音波トランスデューサに両極性入力信号を供給するように構成される、超音波機器。 - 請求項1に記載の超音波機器であって、
前記パルサーは、ゼロより大きな直流(DC)成分を有する前記入力信号を供給するように構成される、超音波機器。 - 請求項1に記載の超音波機器であって、
前記フィードバック回路は、前記制御信号を制御して前記入力信号を時間的にアポダイズするように構成される、超音波機器。 - 請求項1に記載の超音波機器であって、
前記フィードバック回路はデジタル制御される、超音波機器。 - 請求項1に記載の超音波機器であって、
前記フィードバック回路は、前記制御信号を前記パルサーに非同期式に供給するように構成される、超音波機器。 - 請求項1に記載の超音波機器であって、
前記静電容量型超音波トランスデューサは、複数の静電容量型超音波トランスデューサのうちの第1の静電容量型超音波トランスデューサであり、
前記パルサーは、複数のパルサーのうちの第1のパルサーであり、
前記フィードバック回路は、複数のフィードバック回路のうちの第1のフィードバック回路であり、
前記制御信号は、複数の制御信号のうちの第1の制御信号であり、
前記入力信号は、複数の入力信号のうちの第1の入力信号であり、
前記複数のフィードバック回路は、前記複数の制御信号を制御して、前記複数の静電容量型超音波トランスデューサに供給される前記複数の入力信号を空間的にアポダイズするように構成される、超音波機器。 - 請求項1に記載の超音波機器であって、
前記静電容量型超音波トランスデューサは、バイアス回路に結合され、ゼロより大きな絶対値を有するバイアス電圧を受け取るように構成される、超音波機器。 - 請求項1に記載の超音波機器であって、
前記パルサーは、第1の導電型を示す第1のトランジスタと、前記第1の導電型とは異なる第2の導電型を示す第2のトランジスタとを備える、超音波機器。 - 静電容量型超音波トランスデューサと、前記静電容量型超音波トランスデューサに結合されたパルサーと、分割回路と、フィードバック回路とを有する超音波機器を動作させる方法であって、
前記パルサーを用いて、前記静電容量型超音波トランスデューサに入力信号を供給することと、
前記分割回路を用いて、前記入力信号から検出信号を導出することであって、前記検出信号の電圧は、前記入力信号の電圧に比例することと、
前記フィードバック回路を用いて、複数の比較閾値電圧を生成し、制御信号を前記パルサーに供給して、前記検出信号と前記複数の比較閾値電圧のうちの第1の閾値電圧との比較により得られる結果に基づいて、前記入力信号の供給を制御することと、
を含み、前記フィードバック回路は、前記複数の比較閾値電圧を生成するように構成された抵抗ラダーを備える、超音波機器を動作させる方法。 - 請求項10に記載の超音波機器を動作させる方法であって、
前記パルサーは、前記静電容量型超音波トランスデューサに両極性入力信号を供給するように構成される、超音波機器を動作させる方法。 - 請求項10に記載の超音波機器を動作させる方法であって、
前記パルサーは、複数の選択可能な値から選択された値を有する入力信号を供給するように構成される、超音波機器を動作させる方法。 - 請求項10に記載の超音波機器を動作させる方法であって、
前記パルサーは、ゼロより大きな直流(DC)成分を有する前記入力信号を供給するように構成される、超音波機器を動作させる方法。 - 請求項10に記載の超音波機器を動作させる方法であって、
前記フィードバック回路は、前記制御信号を制御して前記入力信号を時間的にアポダイズするように構成される、超音波機器を動作させる方法。 - 請求項10に記載の超音波機器を動作させる方法であって、
前記制御信号を前記パルサーに供給して前記入力信号の供給を制御することは、非同期式に実行される、超音波機器を動作させる方法。 - 請求項10に記載の超音波機器を動作させる方法であって、
前記フィードバック回路はデジタル制御される、超音波機器を動作させる方法。 - 請求項10に記載の超音波機器を動作させる方法であって、
前記静電容量型超音波トランスデューサは、複数の静電容量型超音波トランスデューサのうちの第1の静電容量型超音波トランスデューサであり、
前記パルサーは、複数のパルサーのうちの第1のパルサーであり、
前記フィードバック回路は、複数のフィードバック回路のうちの第1のフィードバック回路であり、
前記制御信号は、複数の制御信号のうちの第1の制御信号であり、
前記入力信号は、複数の入力信号のうちの第1の入力信号であり、
前記複数のフィードバック回路は、前記複数の制御信号を制御して、前記複数の静電容量型超音波トランスデューサに供給される前記複数の入力信号を空間的にアポダイズするように構成される、超音波機器を動作させる方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/087,914 | 2016-03-31 | ||
US15/087,914 US10082565B2 (en) | 2016-03-31 | 2016-03-31 | Multilevel bipolar pulser |
PCT/US2017/025249 WO2017173204A1 (en) | 2016-03-31 | 2017-03-31 | Multilevel bipolar pulser |
Publications (3)
Publication Number | Publication Date |
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JP2019514260A JP2019514260A (ja) | 2019-05-30 |
JP2019514260A5 JP2019514260A5 (ja) | 2020-05-07 |
JP7016811B2 true JP7016811B2 (ja) | 2022-02-07 |
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JP2018550461A Active JP7016811B2 (ja) | 2016-03-31 | 2017-03-31 | マルチレベル両極性パルサー |
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US (3) | US10082565B2 (ja) |
EP (1) | EP3435871B1 (ja) |
JP (1) | JP7016811B2 (ja) |
KR (1) | KR102435299B1 (ja) |
CN (1) | CN109069102B (ja) |
AU (1) | AU2017240040B2 (ja) |
CA (1) | CA3018387A1 (ja) |
TW (1) | TWI721146B (ja) |
WO (1) | WO2017173204A1 (ja) |
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US9492144B1 (en) * | 2015-12-02 | 2016-11-15 | Butterfly Network, Inc. | Multi-level pulser and related apparatus and methods |
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 |
WO2018087515A1 (en) * | 2016-11-11 | 2018-05-17 | University Of Southampton | Method and system for detecting events in an input signal using volatile memristor state change |
WO2018236778A1 (en) | 2017-06-20 | 2018-12-27 | Butterfly Network, Inc. | MULTI-STAGE TRANSMITTED AMPLIFIER (TIA) FOR AN ULTRASONIC DEVICE |
JP2020524014A (ja) | 2017-06-20 | 2020-08-13 | バタフライ ネットワーク,インコーポレイテッド | 超音波用途のための時間利得補償が内蔵された増幅器 |
CA3065214A1 (en) | 2017-06-20 | 2018-12-27 | Butterfly Network, Inc. | Analog to digital signal conversion in ultrasound device |
KR20200019210A (ko) | 2017-06-20 | 2020-02-21 | 버터플라이 네트워크, 인크. | 초음파 디바이스를 위한 단일-종단 트랜스-임피던스 증폭기(tia) |
JP2021502846A (ja) | 2017-11-15 | 2021-02-04 | バタフライ ネットワーク,インコーポレイテッド | 超音波装置および超音波デバイスを製造するための方法 |
EP3788798B1 (en) | 2018-05-03 | 2023-07-05 | BFLY Operations, Inc. | Ultrasonic transducers with pressure ports |
CN111329513A (zh) * | 2018-12-18 | 2020-06-26 | 无锡触典科技有限公司 | 超声电压匹配方法及系统 |
US11501562B2 (en) * | 2019-04-30 | 2022-11-15 | Bfly Operations, Inc. | Ultrasound face scanning and identification apparatuses and methods |
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 |
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EP3435871A4 (en) | 2019-11-27 |
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KR20180123713A (ko) | 2018-11-19 |
CA3018387A1 (en) | 2017-10-05 |
WO2017173204A1 (en) | 2017-10-05 |
EP3435871A1 (en) | 2019-02-06 |
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AU2017240040B2 (en) | 2021-04-08 |
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