ATE181164T1 - Abbildung einer gewebe mit einer fingerabdruckfläche mit hochauflösendem c-abtast- ultraschalldetektor - Google Patents

Abbildung einer gewebe mit einer fingerabdruckfläche mit hochauflösendem c-abtast- ultraschalldetektor

Info

Publication number
ATE181164T1
ATE181164T1 AT92900049T AT92900049T ATE181164T1 AT E181164 T1 ATE181164 T1 AT E181164T1 AT 92900049 T AT92900049 T AT 92900049T AT 92900049 T AT92900049 T AT 92900049T AT E181164 T1 ATE181164 T1 AT E181164T1
Authority
AT
Austria
Prior art keywords
ultrasonic
processing circuit
probe
finger
imaging
Prior art date
Application number
AT92900049T
Other languages
English (en)
Inventor
William E Glenn
John K Schneider
Original Assignee
Ultra Scan Corp
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 Ultra Scan Corp filed Critical Ultra Scan Corp
Application granted granted Critical
Publication of ATE181164T1 publication Critical patent/ATE181164T1/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
    • G10K11/35—Sound-focusing or directing, e.g. scanning using mechanical steering of transducers or their beams
    • G10K11/357—Sound-focusing or directing, e.g. scanning using mechanical steering of transducers or their beams by moving a reflector
    • 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
    • G01S15/8934—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration
    • G01S15/8947—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration using transducers movable by (electro)magnetic means
    • 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
    • G01S7/52053—Display arrangements
    • G01S7/52057—Cathode ray tube displays
    • G01S7/5206—Two-dimensional coordinated display of distance and direction; B-scan display
    • G01S7/52061—Plan position indication (PPI display); C-scan display
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/13—Sensors therefor
    • G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
    • 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
    • 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
    • G01S15/8995—Combining images from different aspect angles, e.g. spatial compounding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Image Input (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Treatment Of Fiber Materials (AREA)
AT92900049T 1990-11-07 1991-11-06 Abbildung einer gewebe mit einer fingerabdruckfläche mit hochauflösendem c-abtast- ultraschalldetektor ATE181164T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/610,429 US5224174A (en) 1990-11-07 1990-11-07 Surface feature mapping using high resolution c-scan ultrasonography

Publications (1)

Publication Number Publication Date
ATE181164T1 true ATE181164T1 (de) 1999-06-15

Family

ID=24444985

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92900049T ATE181164T1 (de) 1990-11-07 1991-11-06 Abbildung einer gewebe mit einer fingerabdruckfläche mit hochauflösendem c-abtast- ultraschalldetektor

Country Status (6)

Country Link
US (3) US5224174A (de)
EP (1) EP0556289B1 (de)
AT (1) ATE181164T1 (de)
CA (1) CA2094241C (de)
DE (1) DE69131323D1 (de)
WO (1) WO1992009049A1 (de)

Families Citing this family (111)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224174A (en) * 1990-11-07 1993-06-29 Niagara Technology Incorporated Surface feature mapping using high resolution c-scan ultrasonography
DE4222387C2 (de) * 1992-07-08 1994-06-30 Stockburger H Verfahren und Vorrichtung zur Identifikation der jeweiligen Raumstruktur eines Prüfobjektes
JP3057590B2 (ja) * 1992-08-06 2000-06-26 中央発條株式会社 個人識別装置
WO1994024937A1 (de) * 1993-04-30 1994-11-10 Jenoptik Gmbh Vorrichtung zur identifikation von fingerabdrücken mittels ultraschall
US5456256A (en) * 1993-11-04 1995-10-10 Ultra-Scan Corporation High resolution ultrasonic imaging apparatus and method
JPH07184898A (ja) * 1993-12-28 1995-07-25 Olympus Optical Co Ltd 超音波プローブ
US5448649A (en) * 1994-05-24 1995-09-05 Chen; Wang S. Apparatus for imaging fingerprint or topographic relief pattern on the surface of an object
US5647364A (en) * 1995-02-15 1997-07-15 Ultra-Scan Corporation Ultrasonic biometric imaging and identity verification system
JPH0981725A (ja) * 1995-09-08 1997-03-28 Hamamatsu Photonics Kk 人物照合装置
US5764018A (en) * 1995-09-29 1998-06-09 Hewlett-Packard Co. Hysteresis removal for positioning systems with variable backlash and stiction
US5715060A (en) * 1996-03-11 1998-02-03 Carnegie Mellon University Apparatus and method for measuring linear nanometric distances using evanescent radiation
MX9710027A (es) * 1996-04-10 1998-03-31 Siemens Ag Proceso para la identificacion de personas.
WO1997041527A1 (en) * 1996-05-01 1997-11-06 Xros, Inc. Compact, simple, 2d raster, image-building fingerprint scanner
FR2749955B1 (fr) * 1996-06-14 1998-09-11 Thomson Csf Systeme de lecture d'empreintes digitales
US5978495A (en) * 1996-07-17 1999-11-02 Intelnet Inc. Method and apparatus for accurate determination of the identity of human beings
EP1669738A3 (de) 1996-10-09 2007-12-12 Symyx Technologies, Inc. Infrarotspektroskopie und Abbildung von Bibliotheken
US5953442A (en) * 1997-07-24 1999-09-14 Litton Systems, Inc. Fingerprint classification via spatial frequency components
US6020988A (en) * 1997-08-05 2000-02-01 Science Research Laboratory, Inc. Ultra high resolution wave focusing method and apparatus and systems employing such method and apparatus
US6494079B1 (en) 2001-03-07 2002-12-17 Symyx Technologies, Inc. Method and apparatus for characterizing materials by using a mechanical resonator
US6393895B1 (en) 1997-10-08 2002-05-28 Symyx Technologies, Inc. Method and apparatus for characterizing materials by using a mechanical resonator
CA2308381C (en) * 1997-11-20 2010-06-15 Quo Technologies, L.L.C. Method and system for biometric recognition using unique internal distinguishing characteristics
US6238501B1 (en) 1998-06-18 2001-05-29 The United States Of America As Represented By The Secretary Of The Army TNAZ compositions and articles, processes of preparation, TNAZ solutions and uses thereof
JP3281867B2 (ja) * 1998-08-05 2002-05-13 三菱重工業株式会社 信号処理装置
US6870946B1 (en) 1998-08-06 2005-03-22 Secugen Corporation Compact optical fingerprint capturing and recognition system
US6455316B1 (en) 1998-08-13 2002-09-24 Symyx Technologies, Inc. Parallel reactor with internal sensing and method of using same
US6548026B1 (en) 1998-08-13 2003-04-15 Symyx Technologies, Inc. Parallel reactor with internal sensing and method of using same
US6528026B2 (en) * 1998-08-13 2003-03-04 Symyx Technologies, Inc. Multi-temperature modular reactor and method of using same
US6890492B1 (en) 1998-08-13 2005-05-10 Symyx Technologies, Inc. Parallel reactor with internal sensing and method of using same
US6306658B1 (en) 1998-08-13 2001-10-23 Symyx Technologies Parallel reactor with internal sensing
US6381347B1 (en) 1998-11-12 2002-04-30 Secugen High contrast, low distortion optical acquistion system for image capturing
US7558616B2 (en) 1999-03-11 2009-07-07 Biosense, Inc. Guidance of invasive medical procedures using implantable tags
US7174201B2 (en) * 1999-03-11 2007-02-06 Biosense, Inc. Position sensing system with integral location pad and position display
US7575550B1 (en) 1999-03-11 2009-08-18 Biosense, Inc. Position sensing based on ultrasound emission
US7549960B2 (en) * 1999-03-11 2009-06-23 Biosense, Inc. Implantable and insertable passive tags
US7590441B2 (en) 1999-03-11 2009-09-15 Biosense, Inc. Invasive medical device with position sensing and display
US6288643B1 (en) * 1999-06-07 2001-09-11 Traptec Corporation Graffiti detection system and method of using the same
ATE444709T1 (de) * 1999-08-09 2009-10-15 Sonavation Inc Piezoelektrischer dünnschichtfingerabdruckabtaster
AU1330501A (en) 1999-10-07 2001-05-10 Veridicom, Inc. Spoof detection for biometric sensing systems
US6552841B1 (en) 2000-01-07 2003-04-22 Imperium Advanced Ultrasonic Imaging Ultrasonic imager
US7067962B2 (en) 2000-03-23 2006-06-27 Cross Match Technologies, Inc. Multiplexer for a piezo ceramic identification device
US6720712B2 (en) * 2000-03-23 2004-04-13 Cross Match Technologies, Inc. Piezoelectric identification device and applications thereof
US20030001459A1 (en) * 2000-03-23 2003-01-02 Cross Match Technologies, Inc. Secure wireless sales transaction using print information to verify a purchaser's identity
US6518560B1 (en) * 2000-04-27 2003-02-11 Veridicom, Inc. Automatic gain amplifier for biometric sensor device
US6994827B2 (en) * 2000-06-03 2006-02-07 Symyx Technologies, Inc. Parallel semicontinuous or continuous reactors
US6956608B1 (en) 2000-08-11 2005-10-18 Identix Incorporated Fingerprint imaging device including an optical plate having microreflectors
US20020131624A1 (en) * 2000-08-11 2002-09-19 Yury Shapiro Fingerprint imaging device with fake finger detection
JP3558025B2 (ja) * 2000-09-06 2004-08-25 株式会社日立製作所 個人認証装置及び方法
US7627145B2 (en) * 2000-09-06 2009-12-01 Hitachi, Ltd. Personal identification device and method
WO2002061452A1 (de) 2001-01-29 2002-08-08 Siemens Aktiengesellschaft Verfahren und einrichtung zur aufnahme eines c-bildes mittels einer b-bild-einheit
US8463878B2 (en) * 2001-04-10 2013-06-11 Transpacific Optics Llc Network server for providing scanning functionality to a computer
WO2002099414A1 (en) 2001-06-06 2002-12-12 Symyx Technologies, Inc. Flow detectors having mechanical oscillators, and use thereof in flow characterization systems
DE60215810T2 (de) * 2001-06-27 2007-09-06 Activcard Ireland Ltd. Verfahren und gerät zur transformation eines bildes einer biologischen oberfläche
KR100432490B1 (ko) 2001-09-17 2004-05-22 (주)니트 젠 광학식 지문취득 장치
EP1312519B1 (de) * 2001-11-14 2008-02-27 Hitachi, Ltd. System zum Starten eines Motors unter Verwendung von biometrischen Informationen
EP1503330B1 (de) 2002-05-09 2010-06-02 Sony Corporation Verfahren zum erkennen eines biologischen musters, detektor für biologische muster, verfahren für biologische zertifikate und biologische zertifikatvorrichtung
US7043969B2 (en) * 2002-10-18 2006-05-16 Symyx Technologies, Inc. Machine fluid sensor and method
AU2003282936A1 (en) * 2002-10-18 2004-05-04 Symyx Technologies, Inc. Environmental control system fluid sensing system and method comprising a sesnsor with a mechanical resonator
DE10305603B4 (de) * 2003-02-11 2009-12-03 Siemens Ag Einrichtung zum Erzeugen eines dreidimensionalen Ultraschallbildes
ATE546720T1 (de) * 2003-03-21 2012-03-15 MEAS France Resonator-sensor-einheit
US7210332B2 (en) * 2003-03-21 2007-05-01 Symyx Technologies, Inc. Mechanical resonator
US7721590B2 (en) * 2003-03-21 2010-05-25 MEAS France Resonator sensor assembly
JP2007504524A (ja) * 2003-08-29 2007-03-01 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 生体識別装置
US7351974B2 (en) * 2003-09-05 2008-04-01 Authentec, Inc. Integrated circuit infrared sensor and associated methods
EP1671261A2 (de) * 2003-09-05 2006-06-21 Authentec, Inc. Multi-biometrie-fingersensor mit verschiedenen biometriken mit verschiedenen selektivitäten und assoziierte verfahren
US7616786B2 (en) * 2003-09-24 2009-11-10 Authentec, Inc. Finger biometric sensor with sensor electronics distributed over thin film and monocrystalline substrates and related methods
US7787667B2 (en) * 2003-10-01 2010-08-31 Authentec, Inc. Spot-based finger biometric processing method and associated sensor
US7616787B2 (en) * 2003-10-01 2009-11-10 Authentec, Inc. Methods for finger biometric processing and associated finger biometric sensors
US7599530B2 (en) * 2003-10-01 2009-10-06 Authentec, Inc. Methods for matching ridge orientation characteristic maps and associated finger biometric sensor
US8170366B2 (en) * 2003-11-03 2012-05-01 L-3 Communications Corporation Image processing using optically transformed light
WO2005048168A2 (en) * 2003-11-06 2005-05-26 Ultra-Scan Corporation Imaging device and method having a pivotable transducer
KR100561851B1 (ko) * 2003-11-18 2006-03-16 삼성전자주식회사 지문 인식 센서 및 그 제조 방법
WO2005070297A1 (en) * 2004-01-15 2005-08-04 Ultra-Scan Corporation Live-scan ultrasonic four-finger planar imaging scanner
WO2005072240A2 (en) * 2004-01-23 2005-08-11 Ultra-Scan Corporation Fingerprint scanner and method having an acoustic detector
GB2414589A (en) * 2004-04-29 2005-11-30 Brian Vincent Conway Ultrasonic recognition system
US7497120B2 (en) * 2004-07-13 2009-03-03 Ultra-Scan Corporation Spinning disk ultrasonic transducer array and method
DE102004043875A1 (de) * 2004-09-10 2006-03-16 Frank Bechtold Verfahren und System zur Optimierung der Erkennung oder der Erkennungssicherheit bei der Identifikation oder Verifikation von Prüfobjekten
US7558410B2 (en) * 2004-12-01 2009-07-07 Ultra-Scan Corporation Fingerprint scanning station
GB2443366B (en) * 2005-08-17 2010-11-10 Ultra Scan Corp Use of papilla mapping to determine a friction-ridge surface
RU2318789C1 (ru) 2006-10-16 2008-03-10 Общество с ограниченной ответственностью "ИФОХИМ" Модификатор взрывчатых веществ
CN102236926A (zh) * 2006-11-23 2011-11-09 锡克拜控股有限公司 使用指纹识别设备进行片状物品的验证
US8180120B2 (en) * 2007-03-09 2012-05-15 Authentec, Inc. Finger sensor using polarized light and associated methods
EP2164400A4 (de) * 2007-05-31 2012-01-18 Univ Windsor Ultraschallgerät für kosmetische anwendungen an menschlichen fingernägeln
CN100586376C (zh) * 2007-11-27 2010-02-03 深圳市蓝韵实业有限公司 一种数字计生超声系统及数据采集方法
US8050468B2 (en) * 2008-03-05 2011-11-01 Honeywell International Inc. Fingerprint acquisition system
US8335356B2 (en) * 2008-05-08 2012-12-18 Sonavation, Inc. Mechanical resonator optimization using shear wave damping
US8331633B2 (en) * 2008-05-08 2012-12-11 Sonavation, Inc. Method and system for multi-mode mechanical resonator
US8805031B2 (en) * 2008-05-08 2014-08-12 Sonavation, Inc. Method and system for acoustic impediography biometric sensing
US8605961B2 (en) * 2009-03-30 2013-12-10 Motorola Mobility Llc Method and apparatus for determining a physiological parameter using a fingerprint sensor on a portable electronic device
US8977013B2 (en) * 2010-07-12 2015-03-10 The Institute For Diagnostic Imaging Research, University Of Windsor Biometric sensor and method for generating a three-dimensional representation of a portion of a finger
WO2015009635A1 (en) * 2013-07-16 2015-01-22 The Regents Of The University Of California Mut fingerprint id system
US9665763B2 (en) * 2014-08-31 2017-05-30 Qualcomm Incorporated Finger/non-finger determination for biometric sensors
US9582705B2 (en) 2014-08-31 2017-02-28 Qualcomm Incorporated Layered filtering for biometric sensors
US9195879B1 (en) 2014-08-31 2015-11-24 Qualcomm Incorporated Air/object determination for biometric sensors
JP6421041B2 (ja) * 2015-01-13 2018-11-07 株式会社日立ハイテクノロジーズ 荷電粒子線装置
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
US10366269B2 (en) * 2016-05-06 2019-07-30 Qualcomm Incorporated Biometric system with photoacoustic imaging
US10235551B2 (en) 2016-05-06 2019-03-19 Qualcomm Incorporated Biometric system with photoacoustic imaging
US9946914B1 (en) * 2016-11-18 2018-04-17 Qualcomm Incorporated Liveness detection via ultrasonic ridge-valley tomography
CN106709308A (zh) * 2016-12-29 2017-05-24 宇龙计算机通信科技(深圳)有限公司 指纹识别方法、指纹识别装置及终端
US10506926B2 (en) 2017-02-18 2019-12-17 Arc Devices Limited Multi-vital sign detector in an electronic medical records system
US10492684B2 (en) 2017-02-21 2019-12-03 Arc Devices Limited Multi-vital-sign smartphone system in an electronic medical records system
US11096672B2 (en) * 2017-07-21 2021-08-24 Crystalview Medical Imaging Ltd. Clutter suppression in ultrasonic imaging systems
US10602987B2 (en) 2017-08-10 2020-03-31 Arc Devices Limited Multi-vital-sign smartphone system in an electronic medical records system
US10485431B1 (en) 2018-05-21 2019-11-26 ARC Devices Ltd. Glucose multi-vital-sign system in an electronic medical records system
CN111381227B (zh) * 2018-12-28 2024-04-26 松下知识产权经营株式会社 推测方法以及推测装置
CN111510723B (zh) * 2019-01-30 2022-02-22 奇景光电股份有限公司 时序控制器
WO2021247300A1 (en) 2020-06-01 2021-12-09 Arc Devices Limited Apparatus and methods for measuring blood pressure and other vital signs via a finger
CN114305486A (zh) * 2020-09-30 2022-04-12 通用电气精准医疗有限责任公司 一种用于超声成像装置的扫描组件及该超声成像装置
CA3258274A1 (en) 2022-06-03 2023-12-07 Mark Haig Khachaturian APPARATUS AND METHODS FOR MEASURING BLOOD PRESSURE AND OTHER VITAL SIGNS VIA A FINGER
CN121007966B (zh) * 2025-10-24 2026-01-06 北京航空航天大学杭州创新研究院 基于超声信号分析的光学镜头装配质量检测方法及装置

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3480002A (en) * 1967-01-24 1969-11-25 Magnaflux Corp Medical ultrasonic scanning system
JPS5454484A (en) * 1977-10-08 1979-04-28 Tokyo Shibaura Electric Co Ultrasonic wave diagnosis device
US4202120A (en) * 1978-04-10 1980-05-13 Engel Elton D Identification card, sensor, and system
US5202929A (en) * 1979-09-24 1993-04-13 Lemelson Jerome H Data system and method
US4325381A (en) * 1979-11-21 1982-04-20 New York Institute Of Technology Ultrasonic scanning head with reduced geometrical distortion
US4385831A (en) * 1980-09-22 1983-05-31 Siemens Corporation Device for investigation of a finger relief
US4362058A (en) * 1980-10-24 1982-12-07 New York University Ultrasonic diagnostic apparatus
EP0087318B1 (de) * 1982-02-24 1988-02-03 Kabushiki Kaisha Toshiba Gerät für Ultraschalldiagnostik
US4434799A (en) * 1982-03-02 1984-03-06 Siemens Ag Ultrasound apparatus for medical examinations
US4457174A (en) * 1982-05-10 1984-07-03 Systems Research Laboratories Inc. Ultrasonic inspection of composite materials
US4547898A (en) * 1983-03-11 1985-10-15 Siemens Corporate Research & Support, Inc. Apparatus for determining the two-dimensional connectivity of a prescribed binary variable associated with a surface
US4574637A (en) * 1984-08-03 1986-03-11 Univ Ohio Method for measuring surface and near surface properties of materials
US4729128A (en) * 1985-06-10 1988-03-01 Grimes Marvin G Personal identification card system
US4799177A (en) * 1985-12-31 1989-01-17 The Boeing Company Ultrasonic instrumentation for examination of variable-thickness objects
DE3610397A1 (de) * 1986-03-27 1987-10-01 Storck Wolfgang Verfahren zum erkennen eines fingerabdruckes
EP0244498B1 (de) * 1986-05-06 1991-06-12 Siemens Aktiengesellschaft Anordnung und Verfahren zur Ermittelung der Berechtigung von Personen durch Überprüfen ihrer Fingerabdrücke
US4917096A (en) * 1987-11-25 1990-04-17 Laboratory Equipment, Corp. Portable ultrasonic probe
DE3840498C1 (de) * 1988-12-01 1990-06-13 Rohde & Schwarz Gmbh & Co Kg, 8000 Muenchen, De
US5258922A (en) * 1989-06-12 1993-11-02 Wieslaw Bicz Process and device for determining of surface structures
US5224174A (en) * 1990-11-07 1993-06-29 Niagara Technology Incorporated Surface feature mapping using high resolution c-scan ultrasonography
US5454045A (en) * 1994-04-15 1995-09-26 Battelle Memorial Institute Apparatus and method for identification and recognition of an item with ultrasonic patterns from item subsurface micro-features

Also Published As

Publication number Publication date
DE69131323D1 (de) 1999-07-15
CA2094241C (en) 2002-04-23
US5224174A (en) 1993-06-29
CA2094241A1 (en) 1992-05-08
US5587533A (en) 1996-12-24
WO1992009049A1 (en) 1992-05-29
EP0556289A4 (en) 1994-06-08
EP0556289B1 (de) 1999-06-09
US5689576A (en) 1997-11-18
EP0556289A1 (de) 1993-08-25

Similar Documents

Publication Publication Date Title
ATE181164T1 (de) Abbildung einer gewebe mit einer fingerabdruckfläche mit hochauflösendem c-abtast- ultraschalldetektor
JP2622704B2 (ja) 指紋検知法
EP0147955B1 (de) System zur Messung eines nichtlinearen Parameters mittel Ultraschall
DE69434400D1 (de) Vorrichtung und verfahren zur hochauflösenden bilddarstellung mittels ultraschall
ATE155894T1 (de) Positionerfassung mittels ultraschall- dopplereffekts
DE59807966D1 (de) Verfahren zur Untersuchung von Objekten mit Ultraschall
JPS5786982A (en) Finger print reader
DE69619262D1 (de) Dreidimensionales bildverarbeitungssystem
DE69020723D1 (de) Vorrichtung zur Ultrachalldiagnose.
DE3583989D1 (de) Untersuchungsvorrichtung mit strahlungsabtastbuendel.
CA1074900A (en) High resolution pulse echo ultrasonic imaging display system
Iula et al. An ultrasound technique for 3D palmprint extraction
DE59702543D1 (de) Verfahren zur zerstörungsfreien dreidimensionalen erfassung von strukturen in bauwerken
US6164135A (en) Method and device for the structure analysis and/or for detecting the position of layered objects
US5750895A (en) Method and apparatus for dual amplitude dual time-of-flight ultrasonic imaging
JPS58223059A (ja) 超音波探傷装置
GB2048476A (en) Method and apparatus for ultrasonic imaging using a line source and a linear receiver array
Schneider et al. Ultrasonic imaging systems for personal identification
GB2338857A (en) Apparatus for imaging blood flow in the microcirculation
GB2261511A (en) Ultrasonic ranging device
Powers et al. A computer-aided ultrasonic imaging system
Song et al. Attenuation Estimation of Soft Tissue by the Entropy Method and Statistical Averaging of Speckle Patterns
Schneider LIVE SCAN FINGERPRINT IMAGERY USING HIGH RESOLUTION C-SCAN ULTRASONOGRAPHY zyxwvutsrqponm
JPS6348264U (de)
JPS63295960A (ja) 超音波測定方式

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties