AT175559T - Device for detecting surface structures - Google Patents

Device for detecting surface structures

Info

Publication number
AT175559T
AT175559T AT94104476T AT94104476T AT175559T AT 175559 T AT175559 T AT 175559T AT 94104476 T AT94104476 T AT 94104476T AT 94104476 T AT94104476 T AT 94104476T AT 175559 T AT175559 T AT 175559T
Authority
AT
Austria
Prior art keywords
structures
detecting
Prior art date
Application number
AT94104476T
Other languages
German (de)
Inventor
Wieslaw Bicz
Original Assignee
Sonident Anstalt Liechtenstein
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
Priority to DE4310390A priority Critical patent/DE4310390C2/en
Application filed by Sonident Anstalt Liechtenstein filed Critical Sonident Anstalt Liechtenstein
Publication of AT175559T publication Critical patent/AT175559T/en

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/00006Acquiring or recognising fingerprints or palmprints
    • G06K9/00013Image acquisition
    • G06K9/0002Image acquisition by non-optical methods, e.g. by ultrasonic or capacitive sensing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/117Identification of persons
    • A61B5/1171Identification of persons based on the shapes or appearances of their bodies or parts thereof
    • A61B5/1172Identification of persons based on the shapes or appearances of their bodies or parts thereof using fingerprinting
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08Detecting organic movements or changes, e.g. tumours, cysts, swellings
    • A61B8/0858Detecting organic movements or changes, e.g. tumours, cysts, swellings involving measuring tissue layers, e.g. skin, interfaces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00Measuring arrangements characterised by the use of subsonic, sonic or ultrasonic vibrations
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/22Details, e.g. general constructional or apparatus details
    • G01N29/221Arrangements for directing or focusing the acoustical waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/028Material parameters
    • G01N2291/0289Internal structure, e.g. defects, grain size, texture
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/04Wave modes and trajectories
    • G01N2291/044Internal reflections (echoes), e.g. on walls or defects
AT94104476T 1993-03-30 1994-03-22 Device for detecting surface structures AT175559T (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE4310390A DE4310390C2 (en) 1993-03-30 1993-03-30 Ultrasound imaging device for detecting and / or identifying surface structures and structures close to the surface

Publications (1)

Publication Number Publication Date
AT175559T true AT175559T (en) 1999-01-15

Family

ID=6484272

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94104476T AT175559T (en) 1993-03-30 1994-03-22 Device for detecting surface structures

Country Status (6)

Country Link
US (1) US5515298A (en)
EP (1) EP0619095B1 (en)
JP (1) JPH07108042A (en)
AT (1) AT175559T (en)
CA (1) CA2120205C (en)
DE (2) DE4310390C2 (en)

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DE59710883D1 (en) * 1996-04-10 2003-11-27 Infineon Technologies Ag METHOD FOR PERSONAL IDENTIFICATION
CA2308381C (en) * 1997-11-20 2010-06-15 Quo Technologies, L.L.C. Method and system for biometric recognition using unique internal distinguishing characteristics
US6381347B1 (en) * 1998-11-12 2002-04-30 Secugen High contrast, low distortion optical acquistion system for image capturing
SE0002243L (en) * 2000-06-16 2001-05-21 Abb Ab Ways of measuring topography in an interface and using the method of a high voltage cable
KR20020028754A (en) * 2001-05-04 2002-04-17 안준영 LCD panel also functioning as fingerprint acquisition
KR100432490B1 (en) * 2001-09-17 2004-05-22 (주)니트 젠 Optical fingerprint acquisition apparatus
WO2004019382A2 (en) * 2002-08-21 2004-03-04 Secugen Corporation Tft sensor having improved imaging surface
US20040068180A1 (en) * 2002-10-04 2004-04-08 Jeffrey Collins Rotary ultrasound scanner for soft tissue examination
DE10304215A1 (en) * 2003-01-30 2004-08-19 Gesellschaft zur Förderung angewandter Informatik eV Method and device for imaging acoustic objects and a corresponding computer program product and a corresponding computer-readable storage medium
US7760918B2 (en) * 2003-08-06 2010-07-20 Zinayida Bezvershenko Identification of a person based on ultra-sound scan analyses of hand bone geometry
CA2438220C (en) * 2003-08-06 2011-11-08 Click-Into Inc. Identification of a person based on ultra-sound scan analyses of hand bone geometry
AU2004265995A1 (en) * 2003-08-15 2005-02-24 Blackboard Inc. Content system and associated methods
US8326659B2 (en) * 2005-04-12 2012-12-04 Blackboard Inc. Method and system for assessment within a multi-level organization
JP5236962B2 (en) * 2008-02-18 2013-07-17 株式会社ミツトヨ Measuring method for front and back of measured object
NO20083766L (en) * 2008-09-01 2010-03-02 Idex Asa surface Sensor
NO20093601A1 (en) 2009-12-29 2011-06-30 Idex Asa Surface sensor
US20110279662A1 (en) * 2010-05-11 2011-11-17 Schneider John K Reflex Longitudinal Imaging Using Through Sensor Insonification
WO2011146694A1 (en) * 2010-05-19 2011-11-24 Ultra-Scan Corporation Sensor system having a platen with a dome-shaped contact surface
KR102184873B1 (en) 2011-09-26 2020-12-02 온타리오 파워제너레이션 인코퍼레이티드 A device and method for performing ultrasound scanning of a conduit
US10503948B2 (en) 2014-03-06 2019-12-10 Qualcomm Incorporated Multi-spectral ultrasonic imaging
KR20160130234A (en) * 2014-03-06 2016-11-10 퀄컴 인코포레이티드 Multi-spectral ultrasonic imaging
US9613246B1 (en) 2014-09-16 2017-04-04 Apple Inc. Multiple scan element array ultrasonic biometric scanner
US9952095B1 (en) 2014-09-29 2018-04-24 Apple Inc. Methods and systems for modulation and demodulation of optical signals
US9747488B2 (en) 2014-09-30 2017-08-29 Apple Inc. Active sensing element for acoustic imaging systems
US10133904B2 (en) 2014-09-30 2018-11-20 Apple Inc. Fully-addressable sensor array for acoustic imaging systems
US9904836B2 (en) 2014-09-30 2018-02-27 Apple Inc. Reducing edge effects within segmented acoustic imaging systems
US9824254B1 (en) 2014-09-30 2017-11-21 Apple Inc. Biometric sensing device with discrete ultrasonic transducers
US9979955B1 (en) 2014-09-30 2018-05-22 Apple Inc. Calibration methods for near-field acoustic imaging systems
US9984271B1 (en) 2014-09-30 2018-05-29 Apple Inc. Ultrasonic fingerprint sensor in display bezel
US9607203B1 (en) 2014-09-30 2017-03-28 Apple Inc. Biometric sensing device with discrete ultrasonic transducers
US10140534B2 (en) 2015-09-26 2018-11-27 Qualcomm Incorporated Ultrasonic imaging devices and methods
US10275638B1 (en) 2015-09-29 2019-04-30 Apple Inc. Methods of biometric imaging of input surfaces
US10802651B2 (en) 2018-01-30 2020-10-13 Apple Inc. Ultrasonic touch detection through display

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4530241A (en) * 1979-04-24 1985-07-23 European Atomic Energy Community (Euratom) Method of monitoring the identity and integrity of an object particularly a closed container
US4385831A (en) * 1980-09-22 1983-05-31 Siemens Corporation Device for investigation of a finger relief
DE3610397A1 (en) * 1986-03-27 1987-10-01 Storck Wolfgang METHOD FOR DETECTING A FINGERPRINT
US4947351A (en) * 1988-05-06 1990-08-07 The United States Of America As Represented By The Secretary Of The Air Force Ultrasonic scan system for nondestructive inspection
EP0357905A3 (en) * 1988-08-16 1991-09-11 Toray Industries, Inc. Method of measuring a profile of an object and an apparatus for carrying out the method
DE58909035D1 (en) * 1988-10-19 1995-03-30 Inst Biomedizinische Technik METHOD AND DEVICE FOR MEASURING TWO-DIMENSIONAL REFLECTIVE STRUCTURES.
EP0398428B1 (en) * 1989-05-12 1994-03-23 Hitachi Construction Machinery Co., Ltd. Probe for ultrasonic microscope
US5258922A (en) * 1989-06-12 1993-11-02 Wieslaw Bicz Process and device for determining of surface structures
DE4016105B4 (en) * 1989-06-12 2005-06-02 Bicz, Wieslaw Method and device for detecting surface structures
US5077695A (en) * 1989-11-13 1991-12-31 Board Of Trustees Of The Leland Stanford Junior University Near field scanning acoustic microscope and method
CH684766A5 (en) * 1990-03-28 1994-12-15 Eric Bauer Installation comprising a whole of reading heads of a latent complex information.
US5235982A (en) * 1991-09-30 1993-08-17 General Electric Company Dynamic transmit focusing of a steered ultrasonic beam

Also Published As

Publication number Publication date
DE59407614D1 (en) 1999-02-25
CA2120205C (en) 2005-09-20
EP0619095B1 (en) 1999-01-13
EP0619095A1 (en) 1994-10-12
DE4310390A1 (en) 1994-10-13
US5515298A (en) 1996-05-07
CA2120205A1 (en) 1994-10-01
JPH07108042A (en) 1995-04-25
DE4310390C2 (en) 1995-03-16

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee