ATE447707T1 - Verbesserter akustischer sensor und verfahren - Google Patents

Verbesserter akustischer sensor und verfahren

Info

Publication number
ATE447707T1
ATE447707T1 AT06744128T AT06744128T ATE447707T1 AT E447707 T1 ATE447707 T1 AT E447707T1 AT 06744128 T AT06744128 T AT 06744128T AT 06744128 T AT06744128 T AT 06744128T AT E447707 T1 ATE447707 T1 AT E447707T1
Authority
AT
Austria
Prior art keywords
output signal
electronic output
sensor apparatus
acoustic transducer
processing circuitry
Prior art date
Application number
AT06744128T
Other languages
English (en)
Inventor
Victor Darievich Svet
Original Assignee
Oceanscan Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Oceanscan Ltd filed Critical Oceanscan Ltd
Application granted granted Critical
Publication of ATE447707T1 publication Critical patent/ATE447707T1/de

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • G10K11/346—Circuits therefor using phase variation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
    • G01N29/075—Analysing solids by measuring propagation velocity or propagation time of acoustic waves by measuring or comparing phase angle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2437—Piezoelectric probes
    • G01N29/245—Ceramic probes, e.g. lead zirconate titanate [PZT] probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/025—Change of phase or condition
    • G01N2291/0258—Structural degradation, e.g. fatigue of composites, ageing of oils
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49005—Acoustic transducer

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Multimedia (AREA)
  • Ceramic Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Burglar Alarm Systems (AREA)
  • Measuring Fluid Pressure (AREA)
AT06744128T 2005-06-29 2006-06-06 Verbesserter akustischer sensor und verfahren ATE447707T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0513253.5A GB0513253D0 (en) 2005-06-29 2005-06-29 Improved acoustic sensor and method
PCT/GB2006/002074 WO2007000567A1 (en) 2005-06-29 2006-06-06 Improved acoustic sensor and method

Publications (1)

Publication Number Publication Date
ATE447707T1 true ATE447707T1 (de) 2009-11-15

Family

ID=34856340

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06744128T ATE447707T1 (de) 2005-06-29 2006-06-06 Verbesserter akustischer sensor und verfahren

Country Status (6)

Country Link
US (1) US20090303838A1 (de)
EP (1) EP1907835B1 (de)
AT (1) ATE447707T1 (de)
DE (1) DE602006010211D1 (de)
GB (1) GB0513253D0 (de)
WO (1) WO2007000567A1 (de)

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US9971032B1 (en) 2010-10-15 2018-05-15 Adaptive Wireless Solutions, L.L.C. Acoustic sensor holder and apparatus using same
JP6439298B2 (ja) * 2013-07-10 2018-12-19 コニカミノルタ株式会社 整相加算器、及び、超音波探触子
US10315222B2 (en) 2016-05-04 2019-06-11 Invensense, Inc. Two-dimensional array of CMOS control elements
US10656255B2 (en) 2016-05-04 2020-05-19 Invensense, Inc. Piezoelectric micromachined ultrasonic transducer (PMUT)
US10445547B2 (en) 2016-05-04 2019-10-15 Invensense, Inc. Device mountable packaging of ultrasonic transducers
US10670716B2 (en) 2016-05-04 2020-06-02 Invensense, Inc. Operating a two-dimensional array of ultrasonic transducers
US11673165B2 (en) 2016-05-10 2023-06-13 Invensense, Inc. Ultrasonic transducer operable in a surface acoustic wave (SAW) mode
US10539539B2 (en) 2016-05-10 2020-01-21 Invensense, Inc. Operation of an ultrasonic sensor
US10632500B2 (en) 2016-05-10 2020-04-28 Invensense, Inc. Ultrasonic transducer with a non-uniform membrane
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
US10562070B2 (en) 2016-05-10 2020-02-18 Invensense, Inc. Receive operation of an ultrasonic sensor
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
US10441975B2 (en) 2016-05-10 2019-10-15 Invensense, Inc. Supplemental sensor modes and systems for ultrasonic transducers
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
US10955386B2 (en) * 2017-09-05 2021-03-23 Utah Valley University Compact immersion scanning system for high-frequency sound waves
US10984209B2 (en) 2017-12-01 2021-04-20 Invensense, Inc. Darkfield modeling
WO2019109010A1 (en) 2017-12-01 2019-06-06 Invensense, Inc. Darkfield tracking
US10997388B2 (en) 2017-12-01 2021-05-04 Invensense, Inc. Darkfield contamination detection
US11151355B2 (en) 2018-01-24 2021-10-19 Invensense, Inc. Generation of an estimated fingerprint
US10755067B2 (en) 2018-03-22 2020-08-25 Invensense, Inc. Operating a fingerprint sensor comprised of ultrasonic transducers
US10936843B2 (en) 2018-12-28 2021-03-02 Invensense, Inc. Segmented image acquisition
US11188735B2 (en) 2019-06-24 2021-11-30 Invensense, Inc. Fake finger detection using ridge features
US11216681B2 (en) 2019-06-25 2022-01-04 Invensense, Inc. Fake finger detection based on transient features
US11216632B2 (en) 2019-07-17 2022-01-04 Invensense, Inc. Ultrasonic fingerprint sensor with a contact layer of non-uniform thickness
US11176345B2 (en) 2019-07-17 2021-11-16 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
US11995909B2 (en) 2020-07-17 2024-05-28 Tdk Corporation Multipath reflection correction
US12174295B2 (en) 2020-08-07 2024-12-24 Tdk Corporation Acoustic multipath correction
US12416807B2 (en) 2021-08-20 2025-09-16 Tdk Corporation Retinal projection display system
US12260050B2 (en) 2021-08-25 2025-03-25 Tdk Corporation Differential receive at an ultrasonic transducer

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Also Published As

Publication number Publication date
US20090303838A1 (en) 2009-12-10
WO2007000567A1 (en) 2007-01-04
EP1907835A1 (de) 2008-04-09
EP1907835B1 (de) 2009-11-04
DE602006010211D1 (de) 2009-12-17
GB0513253D0 (en) 2005-08-03

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