JP2017505481A5 - - Google Patents

Download PDF

Info

Publication number
JP2017505481A5
JP2017505481A5 JP2016546039A JP2016546039A JP2017505481A5 JP 2017505481 A5 JP2017505481 A5 JP 2017505481A5 JP 2016546039 A JP2016546039 A JP 2016546039A JP 2016546039 A JP2016546039 A JP 2016546039A JP 2017505481 A5 JP2017505481 A5 JP 2017505481A5
Authority
JP
Japan
Prior art keywords
ultrasonic
standing wave
wave signal
excitation signal
pulses
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.)
Granted
Application number
JP2016546039A
Other languages
English (en)
Other versions
JP2017505481A (ja
JP6615104B2 (ja
Filing date
Publication date
Priority claimed from US14/589,783 external-priority patent/US9817108B2/en
Application filed filed Critical
Publication of JP2017505481A publication Critical patent/JP2017505481A/ja
Publication of JP2017505481A5 publication Critical patent/JP2017505481A5/ja
Application granted granted Critical
Publication of JP6615104B2 publication Critical patent/JP6615104B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (15)

  1. 標的の物体の画像を生成するための方法であって、
    複数の励振信号パルスを超音波センサユニットの超音波送信機に印加するステップであって、前記複数の励振信号パルスの周波数が前記超音波センサユニットの内部で超音波定在波信号を生成するために選択される、ステップと、
    前記複数の励振信号パルスがある基準時間長印加されるかどうかを判定するステップであって、前記基準時間長は前記超音波定在波信号のエネルギーの第1の閾値レベルを超える増大を可能にするのに十分であるように選択される、ステップと、
    前記複数の励起信号パルスが前記基準時間長だけ印加されている場合、
    前記超音波センサユニットの超音波受信機を使用して、前記超音波定在波信号と前記標的の物体との間の相互作用と関連付けられる前記超音波定在波信号の1つまたは複数の特性の変化を検出するステップと、
    前記超音波定在波信号の前記1つまたは複数の特性の前記検出された変化に基づいて、前記標的の物体の前記画像を生成するステップとを備える、
    方法。
  2. 前記超音波定在波信号が、前記選択された周波数における、前記超音波センサユニットの音響空洞の内部の1つまたは複数の反射された超音波信号との、生成された超音波信号の強め合う干渉に起因する、請求項1に記載の方法。
  3. 前記1つまたは複数の反射された超音波信号が、前記超音波センサユニットの1つまたは複数の境界からの前記超音波信号の反射により生成される、請求項2に記載の方法。
  4. 前記超音波定在波信号の前記1つまたは複数の特性の前記変化を検出する間に、前記励振信号パルス前記超音波センサユニットの前記超音波送信機に印加することを継続するステップをさらに含む、請求項1乃至3の何れか1項に記載の方法。
  5. 前記超音波定在波信号の前記1つまたは複数の特性の前記変化を検出するステップが、前記励振信号パルスが前記超音波センサユニットの前記超音波送信機に印加された後の変化を検出するステップを含む、請求項1乃至4の何れか1項に記載の方法。
  6. 前記時間長が基準期間の経過に基づく、請求項1乃至5の何れか1項に記載の方法。
  7. 前記時間長が前記励振信号パルスの数に基づく、請求項1乃至6の何れか1項に記載の方法。
  8. 前記励振信号パルスの前記数が、4個以上のパルス、5個以上のパルス、または6個以上のパルスである、請求項7に記載の方法。
  9. 前記超音波定在波信号の前記1つまたは複数の特性の前記変化を検出するステップが、前記超音波定在波信号の振幅の変化を検出するステップ、または、前記超音波定在波信号の位相の変化を検出するステップを含む、請求項1乃至8の何れか1項に記載の方法。
  10. 複数の励振信号パルスを超音波センサユニットの超音波送信機に印加するための手段であって、前記励振信号パルスの周波数が前記超音波センサユニットの内部で超音波定在波信号を生成するために選択される、手段と、
    前記複数の励振信号パルスがある基準時間長印加されるかどうかを判定するための手段であって、前記基準時間長は前記超音波定在波信号のエネルギーの第1の閾値レベルを超える増大を可能にするのに十分であるように選択される、手段と、
    前記複数の励起信号パルスが前記基準時間長だけ印加されている場合、前記超音波定在波信号と標的の物体との間の相互作用と関連付けられる前記超音波定在波信号の1つまたは複数の特性の変化を検出するための手段と、
    前記超音波定在波信号の前記1つまたは複数の特性の前記検出された変化に基づいて、前記標的の物体の画像を生成するための手段と、
    を備える、超音波センサシステム。
  11. 前記検出するための手段は超音波受信機を備え、前記生成するための手段は制御ユニットを備え、前記超音波センサシステムはさらに、複数の励起信号パルスを受信するように構成された超音波送信機を備え、少なくとも前記超音波送信機、前記超音波受信機、および薄膜トランジスタTFT基板が前記超音波センサユニット内部の音響空洞を形成する、請求項10に記載の超音波センサシステム。
  12. 前記TFT基板が前記送信機と前記受信機の間に配置される、請求項11に記載の超音波センサシステム。
  13. 前記超音波センサユニットが、前記超音波受信機を覆って配置されるカバー層を含む、請求項10乃至12の何れか1項に記載の超音波センサシステム。
  14. 前記励振信号パルスの前記選択される周波数が、音響空洞の厚み、前記音響空洞の密度、前記音響空洞中での音の速さ、またはこれらの任意の組合せに基づく、請求項10乃至13の何れか1項に記載の超音波センサシステム。
  15. プロセッサによって実行可能な命令を備えるコンピュータ可読記憶媒体であって、前記命令が、請求項1乃至9の何れか1項に記載の方法を実装するための命令を含む、コンピュータ可読記憶媒体。
JP2016546039A 2014-01-13 2015-01-08 音響共振空洞による超音波撮像 Active JP6615104B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201461926829P 2014-01-13 2014-01-13
US61/926,829 2014-01-13
US14/589,783 2015-01-05
US14/589,783 US9817108B2 (en) 2014-01-13 2015-01-05 Ultrasonic imaging with acoustic resonant cavity
PCT/US2015/010560 WO2015105935A1 (en) 2014-01-13 2015-01-08 Ultrasonic imaging with acoustic resonant cavity

Publications (3)

Publication Number Publication Date
JP2017505481A JP2017505481A (ja) 2017-02-16
JP2017505481A5 true JP2017505481A5 (ja) 2018-02-08
JP6615104B2 JP6615104B2 (ja) 2019-12-04

Family

ID=53521201

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016546039A Active JP6615104B2 (ja) 2014-01-13 2015-01-08 音響共振空洞による超音波撮像

Country Status (8)

Country Link
US (2) US9817108B2 (ja)
EP (1) EP3095071B1 (ja)
JP (1) JP6615104B2 (ja)
KR (1) KR102316515B1 (ja)
CN (1) CN105900112B (ja)
BR (1) BR112016016195B1 (ja)
CA (1) CA2932887C (ja)
WO (1) WO2015105935A1 (ja)

Families Citing this family (102)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6004311B2 (ja) * 2012-01-31 2016-10-05 パナソニックIpマネジメント株式会社 超音波センサ
US9817108B2 (en) 2014-01-13 2017-11-14 Qualcomm Incorporated Ultrasonic imaging with acoustic resonant cavity
KR102212632B1 (ko) * 2014-05-12 2021-02-08 삼성전자주식회사 지문 인식 방법 및 이를 수행하는 전자 장치
US10001552B2 (en) 2014-10-15 2018-06-19 Qualcomm Incorporated Three-port piezoelectric ultrasonic transducer
KR102277155B1 (ko) * 2015-01-29 2021-07-14 삼성전자주식회사 지문 인식을 통해 사용자를 인증하는 방법 및 이를 위한 전자 장치
JP2016193123A (ja) * 2015-04-01 2016-11-17 イビデン株式会社 プリント配線板
KR102402146B1 (ko) * 2015-04-21 2022-05-26 삼성전자주식회사 지문 감지 방법 및 장치
US10043049B2 (en) * 2015-06-08 2018-08-07 Fingerprint Cards Ab Fingerprint sensing device with heterogeneous coating structure comprising a dielectric material
SE1551288A1 (en) * 2015-06-08 2016-12-09 Fingerprint Cards Ab Fingerprint sensing device with interposer structure
US9842243B2 (en) * 2015-06-08 2017-12-12 Fingerprint Cards Ab Fingerprint sensing device with heterogeneous coating structure comprising a mold
US10004432B2 (en) * 2015-09-01 2018-06-26 Qualcomm Incorporated Pixel receiver with capacitance cancellation for ultrasonic imaging apparatus
US9726755B2 (en) * 2015-09-23 2017-08-08 Qualcomm Incorporated Spoof detection by ultrasonic subdermal probe
US10067229B2 (en) * 2015-09-24 2018-09-04 Qualcomm Incorporated Receive-side beam forming for an ultrasonic image sensor
US10140534B2 (en) * 2015-09-26 2018-11-27 Qualcomm Incorporated Ultrasonic imaging devices and methods
US10497748B2 (en) 2015-10-14 2019-12-03 Qualcomm Incorporated Integrated piezoelectric micromechanical ultrasonic transducer pixel and array
CN105590095A (zh) * 2015-12-14 2016-05-18 麦克思商务咨询(深圳)有限公司 指纹识别装置
US10262188B2 (en) * 2016-02-15 2019-04-16 Qualcomm Incorporated Liveness and spoof detection for ultrasonic fingerprint sensors
KR102460544B1 (ko) 2016-03-09 2022-10-31 삼성전자주식회사 센싱 기능을 포함하는 디스플레이 및 그것을 포함하는 전자 장치
US11048786B2 (en) 2016-04-13 2021-06-29 AMI Research & Development, LLC Techniques for fingerprint detection and user authentication
US10438041B2 (en) * 2016-04-13 2019-10-08 AMI Research & Development, LLC Techniques for fingerprint detection and user authentication
US10445547B2 (en) 2016-05-04 2019-10-15 Invensense, Inc. Device mountable packaging of ultrasonic transducers
US10656255B2 (en) 2016-05-04 2020-05-19 Invensense, Inc. Piezoelectric micromachined ultrasonic transducer (PMUT)
US10670716B2 (en) 2016-05-04 2020-06-02 Invensense, Inc. Operating a two-dimensional array of ultrasonic transducers
US10315222B2 (en) 2016-05-04 2019-06-11 Invensense, Inc. Two-dimensional array of CMOS control elements
US10325915B2 (en) 2016-05-04 2019-06-18 Invensense, Inc. Two-dimensional array of CMOS control elements
US10706835B2 (en) 2016-05-10 2020-07-07 Invensense, Inc. Transmit beamforming of a two-dimensional array of ultrasonic transducers
US10600403B2 (en) 2016-05-10 2020-03-24 Invensense, Inc. Transmit operation of an ultrasonic sensor
US10408797B2 (en) 2016-05-10 2019-09-10 Invensense, Inc. Sensing device with a temperature sensor
US10452887B2 (en) 2016-05-10 2019-10-22 Invensense, Inc. Operating a fingerprint sensor comprised of ultrasonic transducers
US10632500B2 (en) 2016-05-10 2020-04-28 Invensense, Inc. Ultrasonic transducer with a non-uniform membrane
US10441975B2 (en) 2016-05-10 2019-10-15 Invensense, Inc. Supplemental sensor modes and systems for ultrasonic transducers
US11673165B2 (en) 2016-05-10 2023-06-13 Invensense, Inc. Ultrasonic transducer operable in a surface acoustic wave (SAW) mode
US10562070B2 (en) 2016-05-10 2020-02-18 Invensense, Inc. Receive operation of an ultrasonic sensor
US10539539B2 (en) 2016-05-10 2020-01-21 Invensense, Inc. Operation of an ultrasonic sensor
US11003884B2 (en) * 2016-06-16 2021-05-11 Qualcomm Incorporated Fingerprint sensor device and methods thereof
US10095907B2 (en) 2016-08-11 2018-10-09 Qualcomm Incorporated Single transducer fingerprint system
CN106446817B (zh) * 2016-09-18 2018-03-20 京东方科技集团股份有限公司 指纹识别器件、触摸显示面板和指纹识别器件驱动方法
US10239212B2 (en) * 2016-10-07 2019-03-26 Southern Taiwan University Of Science And Technology Ultrasonic tactile sensor for detecting clamping force
CN108072468A (zh) * 2016-11-15 2018-05-25 南台科技大学 用于侦测夹持力的超声波触觉传感器
CN106778492B (zh) * 2016-11-18 2024-04-16 Oppo广东移动通信有限公司 指纹模组、移动终端及指纹采集方法
WO2018090908A1 (zh) * 2016-11-18 2018-05-24 广东欧珀移动通信有限公司 指纹模组、移动终端及指纹采集方法
CN106611170B (zh) * 2017-01-03 2021-10-22 京东方科技集团股份有限公司 指纹识别装置及电子设备
CN106896955B (zh) * 2017-01-13 2019-11-15 业成科技(成都)有限公司 超声波传感装置及其检测电路与检测方法
KR20180083700A (ko) * 2017-01-13 2018-07-23 삼성전자주식회사 생체 센서를 포함하는 전자 장치
KR20180091597A (ko) * 2017-02-07 2018-08-16 삼성전자주식회사 초음파 신호를 이용하여 지문 정보를 획득하는 전자 장치
KR102384014B1 (ko) 2017-03-14 2022-04-08 삼성전자주식회사 지문 검출 방법 및 이를 수행하는 전자 장치
KR102264431B1 (ko) 2017-03-16 2021-06-15 삼성전자 주식회사 복수의 압전 소자를 구비하는 전자 장치
CN215361401U (zh) 2017-03-27 2021-12-31 Ohc知识产权控股有限责任公司 烤架
US10846501B2 (en) 2017-04-28 2020-11-24 The Board Of Trustees Of The Leland Stanford Junior University Acoustic biometric touch scanner
US10489627B2 (en) 2017-04-28 2019-11-26 The Board Of Trustees Of The Leland Stanford Junior University Acoustic biometric touch scanner
US9953205B1 (en) 2017-04-28 2018-04-24 The Board Of Trustees Of The Leland Stanford Junior University Acoustic biometric touch scanner
CN107194345B (zh) * 2017-05-18 2020-01-24 上海思立微电子科技有限公司 电子设备、超声波指纹识别装置及其制造方法
CN107229909B (zh) * 2017-05-18 2019-12-06 上海思立微电子科技有限公司 电子设备、超声波指纹识别装置及其制造方法
US10891461B2 (en) 2017-05-22 2021-01-12 Invensense, Inc. Live fingerprint detection utilizing an integrated ultrasound and infrared sensor
US10474862B2 (en) * 2017-06-01 2019-11-12 Invensense, Inc. Image generation in an electronic device using ultrasonic transducers
US10643052B2 (en) 2017-06-28 2020-05-05 Invensense, Inc. Image generation in an electronic device using ultrasonic transducers
CN107273173B (zh) * 2017-07-19 2020-08-11 北京小米移动软件有限公司 指纹传感器的控制方法、装置及存储介质
US10691912B2 (en) 2017-08-09 2020-06-23 The Board Of Trustees Of The Leland Stanford Junior University Ultrasonic biometric sensing device integrated with optics
US10725590B2 (en) 2017-09-29 2020-07-28 Qualcomm Incorporated Sliding range gate for large area ultrasonic sensor
CN107831945A (zh) * 2017-11-30 2018-03-23 北京集创北方科技股份有限公司 电子设备、显示系统及其集成控制装置、安全验证方法
US10997388B2 (en) 2017-12-01 2021-05-04 Invensense, Inc. Darkfield contamination detection
WO2019109010A1 (en) 2017-12-01 2019-06-06 Invensense, Inc. Darkfield tracking
US10984209B2 (en) 2017-12-01 2021-04-20 Invensense, Inc. Darkfield modeling
US11151355B2 (en) 2018-01-24 2021-10-19 Invensense, Inc. Generation of an estimated fingerprint
CN108171858A (zh) * 2018-02-13 2018-06-15 南京东屋电气有限公司 一种带有分离式红外图像采集装置的汽车门锁
US10755067B2 (en) 2018-03-22 2020-08-25 Invensense, Inc. Operating a fingerprint sensor comprised of ultrasonic transducers
CN108509901B (zh) * 2018-03-29 2021-12-24 联想(北京)有限公司 终端设备以及超声指纹处理方法
CN108596160B (zh) * 2018-06-21 2023-10-31 成都大超科技有限公司 超声波识别电路和指纹识别传感器
US11033147B2 (en) 2018-06-27 2021-06-15 Ohc Ip Holdings, Llc Gas tank guard in grill cart
US11096521B2 (en) 2018-06-27 2021-08-24 Ohc Ip Holdings, Llc Side cart locking mechanism
US10966569B2 (en) 2018-06-27 2021-04-06 Ohc Ip Holdings, Llc Grill system with decorative panels
US10772466B2 (en) 2018-06-27 2020-09-15 Ohc Ip Holdings, Llc Grill assembly with foldable cart
US10702099B2 (en) 2018-06-27 2020-07-07 Ohc Ip Holdings, Llc Grill and side cart attachment systems and methods
US11045049B2 (en) 2018-06-27 2021-06-29 Ohc Ip Holdings, Llc Securing of panels to grill system
US11126814B2 (en) 2018-10-17 2021-09-21 Qualcomm Incorporated Ultrasonic fingerprint sensor with flexible substrate
US10936843B2 (en) 2018-12-28 2021-03-02 Invensense, Inc. Segmented image acquisition
US10929636B2 (en) 2019-01-18 2021-02-23 Qualcomm Incorporated Ultrasonic fingerprint sensor with electrically nonconductive acoustic layer
CN109637304A (zh) * 2019-01-23 2019-04-16 长江大学 一种驻波演示仪
EP3921767B1 (en) * 2019-02-06 2023-08-02 Fingerprint Cards Anacatum IP AB Acoustic fingerprint representation acquisition technique
US10891458B2 (en) * 2019-02-28 2021-01-12 Qualcomm Incorporated Module architecture for large area ultrasonic fingerprint sensor
CN109948496B (zh) * 2019-03-12 2022-07-08 京东方科技集团股份有限公司 一种指纹识别器件及显示装置
US10817694B2 (en) * 2019-03-22 2020-10-27 Qualcomm Incorporated Reducing background signal in imaging sensors
US11346927B2 (en) 2019-05-16 2022-05-31 Qualcomm Incorporated Ultrasonic sensor array control to facilitate screen protectors
USD928544S1 (en) 2019-06-24 2021-08-24 Ohc Ip Holdings, Llc Grill assembly
US11188735B2 (en) 2019-06-24 2021-11-30 Invensense, Inc. Fake finger detection using ridge features
USD926519S1 (en) 2019-06-24 2021-08-03 Ohc Ip Holdings, Llc Grill side assembly
CN110183993A (zh) * 2019-06-24 2019-08-30 Oppo广东移动通信有限公司 屏幕保护膜及电子设备
USD924002S1 (en) 2019-06-24 2021-07-06 Ohc Ip Holdings, Llc Grill cart
USD923996S1 (en) 2019-06-24 2021-07-06 Ohc Ip Holdings, Llc Grill
US11216681B2 (en) 2019-06-25 2022-01-04 Invensense, Inc. Fake finger detection based on transient features
US11176345B2 (en) 2019-07-17 2021-11-16 Invensense, Inc. Ultrasonic fingerprint sensor with a contact layer of non-uniform thickness
US11216632B2 (en) 2019-07-17 2022-01-04 Invensense, Inc. Ultrasonic fingerprint sensor with a contact layer of non-uniform thickness
US11232549B2 (en) 2019-08-23 2022-01-25 Invensense, Inc. Adapting a quality threshold for a fingerprint image
US11392789B2 (en) 2019-10-21 2022-07-19 Invensense, Inc. Fingerprint authentication using a synthetic enrollment image
CN115551650A (zh) 2020-03-09 2022-12-30 应美盛公司 具有非均匀厚度的接触层的超声指纹传感器
US11243300B2 (en) 2020-03-10 2022-02-08 Invensense, Inc. Operating a fingerprint sensor comprised of ultrasonic transducers and a presence sensor
US11328165B2 (en) 2020-04-24 2022-05-10 Invensense, Inc. Pressure-based activation of fingerprint spoof detection
US11231816B2 (en) * 2020-06-30 2022-01-25 Apple Inc. Ultrasonic water-agnostic touch detection sensor
US11995909B2 (en) 2020-07-17 2024-05-28 Tdk Corporation Multipath reflection correction
KR20220105701A (ko) * 2021-01-20 2022-07-28 삼성디스플레이 주식회사 표시 장치
CN113903061B (zh) * 2021-10-08 2024-05-24 上海天马微电子有限公司 显示面板的指纹识别方法、显示面板及显示装置
JP2023173685A (ja) 2022-05-26 2023-12-07 上海天馬微電子有限公司 超音波センサ装置及びその制御方法

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5744898A (en) 1992-05-14 1998-04-28 Duke University Ultrasound transducer array with transmitter/receiver integrated circuitry
US7527288B2 (en) * 1995-06-07 2009-05-05 Automotive Technologies International, Inc. Vehicle with crash sensor coupled to data bus
US6240199B1 (en) * 1997-07-24 2001-05-29 Agere Systems Guardian Corp. Electronic apparatus having improved scratch and mechanical resistance
ATE430341T1 (de) * 2000-03-23 2009-05-15 Cross Match Technologies Inc Piezoelektrisches biometrisches identifikationsgerät und dessen anwendung
US6702747B2 (en) 2000-06-08 2004-03-09 Advanced Imaging Technologies, Ii Llc Acoustically generated images having selected components
JP2002027594A (ja) * 2000-07-11 2002-01-25 Hitachi Ltd 超音波探触子およびその製造方法
US7061163B2 (en) 2002-01-28 2006-06-13 Matsushita Electric Industrial Co., Ltd. Ultrasonic transducer and ultrasonic flowmeter
US6831394B2 (en) * 2002-12-11 2004-12-14 General Electric Company Backing material for micromachined ultrasonic transducer devices
WO2005018451A1 (en) * 2003-08-18 2005-03-03 Duckworth, Timothy, John Method and apparatus for non-contactly monitoring the cells bioactivity
US7223243B2 (en) 2003-11-14 2007-05-29 General Electric Co. Thin film ultrasonic transmitter/receiver
KR100561851B1 (ko) 2003-11-18 2006-03-16 삼성전자주식회사 지문 인식 센서 및 그 제조 방법
FR2874431B1 (fr) 2004-08-23 2007-04-13 Eads Ccr Groupement D Interet Systeme de cartographie ultrasonore par transmission, utilisant au moins un film piezoelectrique
US7739912B2 (en) 2004-10-07 2010-06-22 Ultra-Scan Corporation Ultrasonic fingerprint scanning utilizing a plane wave
US7893474B2 (en) 2006-02-14 2011-02-22 University Of Florida Research Foundation, Inc. Method and apparatus for imaging utilizing an ultrasonic imaging sensor array
US8098915B2 (en) 2006-05-25 2012-01-17 Ultra-Scan Corporation Longitudinal pulse wave array
US8139827B2 (en) 2006-05-25 2012-03-20 Ultra-Scan Corporation Biometrical object reader having an ultrasonic wave manipulation device
CA2660609C (en) 2006-08-11 2016-04-26 Ultra-Scan Corporation Hydrophone array module
US8079263B2 (en) 2006-11-10 2011-12-20 Penrith Corporation Transducer array imaging system
US7408286B1 (en) 2007-01-17 2008-08-05 Rf Micro Devices, Inc. Piezoelectric substrate for a saw device
US20080258580A1 (en) 2007-04-20 2008-10-23 Schneider John K Reliability Improvement For Piezoelectric Imaging Array Device
CA2756449A1 (en) * 2009-03-23 2010-09-30 Sonavation, Inc. Improved multiplexer for a piezo ceramic identification device
WO2011112622A1 (en) 2010-03-08 2011-09-15 Ultra-Scan Corporation Biometric sensor with delay layer
US20110279662A1 (en) 2010-05-11 2011-11-17 Schneider John K Reflex Longitudinal Imaging Using Through Sensor Insonification
JP5411072B2 (ja) 2010-06-29 2014-02-12 株式会社日本自動車部品総合研究所 超音波センサ
US9259961B2 (en) * 2010-12-10 2016-02-16 Palo Alto Research Center Incorporated Large-area ultrasound contact imaging
US8539837B2 (en) 2010-12-10 2013-09-24 Palo Alto Research Center Incorporated Ultrasonic imaging using thin film transistor backplane
GB2486680A (en) * 2010-12-22 2012-06-27 Morgan Electro Ceramics Ltd Ultrasonic or acoustic transducer that supports two or more frequencies
US8667846B2 (en) 2011-04-19 2014-03-11 Eastman Kodak Company Method of operating an ultrasonic transmitter and receiver
US9170668B2 (en) 2012-02-02 2015-10-27 Qualcomm Incorporated Ultrasonic touch sensor with a display monitor
KR101476893B1 (ko) * 2012-11-29 2014-12-26 삼성디스플레이 주식회사 플렉시블 디스플레이용 스크래치 방지 필름
US9817108B2 (en) 2014-01-13 2017-11-14 Qualcomm Incorporated Ultrasonic imaging with acoustic resonant cavity
US20150362589A1 (en) * 2014-06-12 2015-12-17 Invensense, Inc. Anti-scratching protection for acoustic sensors
US9726755B2 (en) * 2015-09-23 2017-08-08 Qualcomm Incorporated Spoof detection by ultrasonic subdermal probe

Similar Documents

Publication Publication Date Title
JP2017505481A5 (ja)
WO2018023080A3 (en) Methodology and application of acoustic touch detection
SA519410889B1 (ar) نظام وطريقة لمعايرة حجم الحاويات بالموجات الصوتية
ES2626975T3 (es) Detección ultrasónica de un cambio en una superficie de una pared
WO2017139015A3 (en) Ultrasound devices for estimating blood pressure and other cardiovascular properties
WO2019018861A3 (en) DETECTION OF ULTRASOUND TRANSDUCER DEFECTIVE IN ULTRASONIC SENSOR
WO2018217355A3 (en) MAGNETIC FIELD SENSOR WITH ERROR CALCULATION
MX2016011359A (es) Descomposicion de tiempo-frecuencia de la señal ultrasonica para la evaluacion del agujero o la inspeccion de la linea de conduccion.
JP2013523324A5 (ja)
WO2016025094A8 (en) Through-wall tank ultrasonic transducer
WO2012018797A3 (en) A pipelined pulse-echo scheme for an acoustic image tool for use downhole
JP2012515013A5 (ja)
JP2015512273A5 (ja)
JP2014004375A5 (ja)
WO2016166763A3 (en) Methods and systems for detecting at least the position of an object in space
WO2010129280A3 (en) Petrophysics-guided processing of lwd acoustic data
JP2015517096A5 (ja)
WO2015025216A3 (en) Method for monitoring a well or a reservoir containing a fluid, and apparatus for using the same
WO2015077086A3 (en) System and method for analyzing tissue using shear waves
WO2016014381A3 (en) Reflection-only sensor at multiple angles for near real-time determination of acoustic properties of a fluid downhole
EP2894496A3 (en) Ultrasonic logging methods and apparatus for measuring cement and casing properties using acoustic echoes
WO2010144700A3 (en) Method and apparatus for high resolution sound speed measurements
WO2012178013A3 (en) System and device for acoustic measuring in a medium
WO2012040328A3 (en) Radon migration of acoustic data
GB201310786D0 (en) A Method of Determining the Breaking Stress in Shear of a Part of Determined Thickness