ATE447707T1 - Verbesserter akustischer sensor und verfahren - Google Patents
Verbesserter akustischer sensor und verfahrenInfo
- 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
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)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Acoustics & Sound (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ceramic Engineering (AREA)
- Multimedia (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Burglar Alarm Systems (AREA)
- Measuring Fluid Pressure (AREA)
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) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5276347B2 (ja) * | 2007-07-03 | 2013-08-28 | 国立大学法人 新潟大学 | シリコンウェーハ中に存在する原子空孔の定量評価装置、その方法、シリコンウェーハの製造方法、及び薄膜振動子 |
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 |
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 |
US10445547B2 (en) | 2016-05-04 | 2019-10-15 | Invensense, Inc. | Device mountable packaging of ultrasonic transducers |
US11673165B2 (en) | 2016-05-10 | 2023-06-13 | Invensense, Inc. | Ultrasonic transducer operable in a surface acoustic wave (SAW) mode |
US10408797B2 (en) | 2016-05-10 | 2019-09-10 | Invensense, Inc. | Sensing device with a temperature sensor |
US10441975B2 (en) | 2016-05-10 | 2019-10-15 | Invensense, Inc. | Supplemental sensor modes and systems for ultrasonic transducers |
US10706835B2 (en) | 2016-05-10 | 2020-07-07 | Invensense, Inc. | Transmit beamforming of a two-dimensional array of ultrasonic transducers |
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 |
US10632500B2 (en) | 2016-05-10 | 2020-04-28 | Invensense, Inc. | Ultrasonic transducer with a non-uniform membrane |
US10600403B2 (en) * | 2016-05-10 | 2020-03-24 | Invensense, Inc. | Transmit operation of an ultrasonic sensor |
US10539539B2 (en) | 2016-05-10 | 2020-01-21 | Invensense, Inc. | Operation of an ultrasonic sensor |
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 |
WO2019109010A1 (en) | 2017-12-01 | 2019-06-06 | Invensense, Inc. | Darkfield tracking |
US10984209B2 (en) | 2017-12-01 | 2021-04-20 | Invensense, Inc. | Darkfield modeling |
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 |
US11460957B2 (en) | 2020-03-09 | 2022-10-04 | Invensense, Inc. | Ultrasonic fingerprint sensor with a contact layer of non-uniform thickness |
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 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4267584A (en) * | 1977-07-01 | 1981-05-12 | Siemens Gammasonics, Inc. | Permutating analog shift register variable delay system |
US4159462A (en) * | 1977-08-18 | 1979-06-26 | General Electric Company | Ultrasonic multi-sector scanner |
US4253168A (en) * | 1978-10-23 | 1981-02-24 | Westinghouse Electric Corp. | CCD Signal processor |
GB8307654D0 (en) * | 1983-03-18 | 1983-04-27 | Irex Corp | Parallel ultrasonic information processing |
DE3428046A1 (de) * | 1984-07-30 | 1986-01-30 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und vorrichtung zur verzoegerung eines ultraschallsignals |
DE3616498A1 (de) * | 1986-05-16 | 1987-11-19 | Siemens Ag | Verfahren und vorrichtung zur digitalen verzoegerung von ultraschallsignalen im empfangsfall |
JPS63150683A (ja) * | 1986-12-16 | 1988-06-23 | Fuji Electric Co Ltd | 超音波送受波整合器 |
JPH02197183A (ja) * | 1988-03-29 | 1990-08-03 | Pennwalt Corp | 積層圧電構造及びその形成方法 |
US5345426A (en) * | 1993-05-12 | 1994-09-06 | Hewlett-Packard Company | Delay interpolator for digital phased array ultrasound beamformers |
US5956292A (en) * | 1995-04-13 | 1999-09-21 | The Charles Stark Draper Laboratory, Inc. | Monolithic micromachined piezoelectric acoustic transducer and transducer array and method of making same |
US5964709A (en) * | 1995-06-29 | 1999-10-12 | Teratech Corporation | Portable ultrasound imaging system |
US5590658A (en) * | 1995-06-29 | 1997-01-07 | Teratech Corporation | Portable ultrasound imaging system |
US5784336A (en) * | 1996-11-18 | 1998-07-21 | Furuno Diagnostics America, Inc. | Delay scheme and apparatus for focussing the transmission and reception of a summed ultrasonic beam |
US6111816A (en) * | 1997-02-03 | 2000-08-29 | Teratech Corporation | Multi-dimensional beamforming device |
US6292433B1 (en) * | 1997-02-03 | 2001-09-18 | Teratech Corporation | Multi-dimensional beamforming device |
US6721235B2 (en) * | 1997-02-03 | 2004-04-13 | Teratech Corporation | Steerable beamforming system |
JPH11187492A (ja) * | 1997-10-06 | 1999-07-09 | Sumitomo Electric Ind Ltd | 複合超音波変換器 |
US6842401B2 (en) * | 2000-04-06 | 2005-01-11 | Teratech Corporation | Sonar beamforming system |
US6443901B1 (en) * | 2000-06-15 | 2002-09-03 | Koninklijke Philips Electronics N.V. | Capacitive micromachined ultrasonic transducers |
US6527723B2 (en) * | 2001-06-26 | 2003-03-04 | Koninklijke Philips Electronics N.V. | Variable multi-dimensional apodization control for ultrasonic transducers |
US7402897B2 (en) * | 2002-08-08 | 2008-07-22 | Elm Technology Corporation | Vertical system integration |
-
2005
- 2005-06-29 GB GBGB0513253.5A patent/GB0513253D0/en not_active Ceased
-
2006
- 2006-06-06 AT AT06744128T patent/ATE447707T1/de not_active IP Right Cessation
- 2006-06-06 EP EP06744128A patent/EP1907835B1/de not_active Not-in-force
- 2006-06-06 US US11/988,054 patent/US20090303838A1/en not_active Abandoned
- 2006-06-06 DE DE602006010211T patent/DE602006010211D1/de active Active
- 2006-06-06 WO PCT/GB2006/002074 patent/WO2007000567A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2007000567A1 (en) | 2007-01-04 |
GB0513253D0 (en) | 2005-08-03 |
US20090303838A1 (en) | 2009-12-10 |
DE602006010211D1 (de) | 2009-12-17 |
EP1907835A1 (de) | 2008-04-09 |
EP1907835B1 (de) | 2009-11-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |