JP2021038981A5 - - Google Patents

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Publication number
JP2021038981A5
JP2021038981A5 JP2019159761A JP2019159761A JP2021038981A5 JP 2021038981 A5 JP2021038981 A5 JP 2021038981A5 JP 2019159761 A JP2019159761 A JP 2019159761A JP 2019159761 A JP2019159761 A JP 2019159761A JP 2021038981 A5 JP2021038981 A5 JP 2021038981A5
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JP
Japan
Prior art keywords
period
measurement method
periods
ultrasonic
voltage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2019159761A
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English (en)
Japanese (ja)
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JP2021038981A (ja
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Publication date
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Priority to JP2019159761A priority Critical patent/JP2021038981A/ja
Priority claimed from JP2019159761A external-priority patent/JP2021038981A/ja
Priority to DE102020121918.0A priority patent/DE102020121918A1/de
Priority to US17/007,237 priority patent/US20210063553A1/en
Publication of JP2021038981A publication Critical patent/JP2021038981A/ja
Publication of JP2021038981A5 publication Critical patent/JP2021038981A5/ja
Pending legal-status Critical Current

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JP2019159761A 2019-09-02 2019-09-02 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 Pending JP2021038981A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019159761A JP2021038981A (ja) 2019-09-02 2019-09-02 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
DE102020121918.0A DE102020121918A1 (de) 2019-09-02 2020-08-21 Verfahren zur Messung von Ultraschallwellen unter Verwendung eines kapazitiven mikrobearbeiteten Ultraschallwandlers
US17/007,237 US20210063553A1 (en) 2019-09-02 2020-08-31 Measurement Method of Ultrasonic Wave Using Capacitive Micromachined Ultrasonic Transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019159761A JP2021038981A (ja) 2019-09-02 2019-09-02 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

Publications (2)

Publication Number Publication Date
JP2021038981A JP2021038981A (ja) 2021-03-11
JP2021038981A5 true JP2021038981A5 (https=) 2021-12-23

Family

ID=74565002

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019159761A Pending JP2021038981A (ja) 2019-09-02 2019-09-02 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

Country Status (3)

Country Link
US (1) US20210063553A1 (https=)
JP (1) JP2021038981A (https=)
DE (1) DE102020121918A1 (https=)

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4636714A (en) * 1984-01-18 1987-01-13 Wystron, Inc. Capacitive transducer and method
US4743836A (en) * 1985-12-06 1988-05-10 United Technologies Corporation Capacitive circuit for measuring a parameter having a linear output voltage
US5161128A (en) * 1990-11-30 1992-11-03 Ultrasonic Arrays, Inc. Capacitive transducer system and method
DE19528454C1 (de) * 1995-08-03 1996-08-08 Grieshaber Vega Kg Verfahren und Schaltungsanordnung zur Messung einer Kapazität
KR100595926B1 (ko) * 1998-01-26 2006-07-05 웨인 웨스터만 수동 입력 통합 방법 및 장치
US6985142B1 (en) * 1998-09-03 2006-01-10 University Of Southern California Power-efficient, pulsed driving of capacitive loads to controllable voltage levels
US20070079658A1 (en) * 2005-09-23 2007-04-12 Siemens Medical Solutions Usa, Inc. Rotating aperture for ultrasound imaging with a capacitive membrane or electrostrictive ultrasound transducer
US8517948B2 (en) * 2005-11-18 2013-08-27 Hitachi Medical Corporation Ultrasound diagnostic apparatus and method of calibrating the same
US7599254B2 (en) * 2005-12-20 2009-10-06 Siemens Medical Solutions Usa, Inc. Transducer static discharge methods and apparatus
JP2010042146A (ja) * 2008-08-13 2010-02-25 Ge Medical Systems Global Technology Co Llc 超音波撮像装置
US8176787B2 (en) * 2008-12-17 2012-05-15 General Electric Company Systems and methods for operating a two-dimensional transducer array
US8315125B2 (en) * 2009-03-18 2012-11-20 Sonetics Ultrasound, Inc. System and method for biasing CMUT elements
EP2452627B1 (en) * 2010-04-15 2018-08-29 Olympus Corporation Ultrasound diagnostic system
WO2012090611A1 (ja) * 2010-12-28 2012-07-05 オリンパスメディカルシステムズ株式会社 超音波観測装置
WO2013136212A1 (en) * 2012-03-13 2013-09-19 Koninklijke Philips N.V. Capacitive micro-machined ultrasound transducer device with charging voltage source
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
CN110100294B (zh) * 2016-12-22 2022-03-29 皇家飞利浦有限公司 电容式射频微机电开关的系统和操作方法

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