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NO20025803D0 - Levende finger - Google Patents

Levende finger

Info

Publication number
NO20025803D0
NO20025803D0 NO20025803A NO20025803A NO20025803D0 NO 20025803 D0 NO20025803 D0 NO 20025803D0 NO 20025803 A NO20025803 A NO 20025803A NO 20025803 A NO20025803 A NO 20025803A NO 20025803 D0 NO20025803 D0 NO 20025803D0
Authority
NO
Norway
Prior art keywords
pickup
electrodes
current supply
condition
determining
Prior art date
Application number
NO20025803A
Other languages
English (en)
Inventor
Oerjan G Martinsen
Jon Nysaether
Original Assignee
Idex Asa
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 Idex Asa filed Critical Idex Asa
Priority to NO20025803A priority Critical patent/NO20025803D0/no
Publication of NO20025803D0 publication Critical patent/NO20025803D0/no
Priority to ES03812396T priority patent/ES2333119T3/es
Priority to DE60329218T priority patent/DE60329218D1/de
Priority to KR1020057010040A priority patent/KR20050074650A/ko
Priority to PCT/NO2003/000405 priority patent/WO2004049942A1/en
Priority to AU2003302594A priority patent/AU2003302594A1/en
Priority to CNB200380104966XA priority patent/CN100401980C/zh
Priority to JP2004557000A priority patent/JP4528130B2/ja
Priority to US10/537,508 priority patent/US7848798B2/en
Priority to AT03812396T priority patent/ATE442083T1/de
Priority to EP03812396A priority patent/EP1567057B1/en
Priority to DK03812396T priority patent/DK1567057T3/da
Priority to NO20053222A priority patent/NO339828B1/no
Priority to HK06107743.9A priority patent/HK1087317A1/xx
Priority to US12/961,007 priority patent/US8195285B2/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/117—Identification of persons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0531—Measuring skin impedance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6825—Hand
    • A61B5/6826—Finger
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/44—Detecting, measuring or recording for evaluating the integumentary system, e.g. skin, hair or nails
    • A61B5/441—Skin evaluation, e.g. for skin disorder diagnosis
    • A61B5/442—Evaluating skin mechanical properties, e.g. elasticity, hardness, texture, wrinkle assessment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/683—Means for maintaining contact with the body
    • A61B5/6838—Clamps or clips
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/40—Spoof detection, e.g. liveness detection

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Dermatology (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Image Input (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Gloves (AREA)
  • Collating Specific Patterns (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
NO20025803A 2002-12-03 2002-12-03 Levende finger NO20025803D0 (no)

Priority Applications (15)

Application Number Priority Date Filing Date Title
NO20025803A NO20025803D0 (no) 2002-12-03 2002-12-03 Levende finger
DK03812396T DK1567057T3 (da) 2002-12-03 2003-12-03 Detektering af levende finger ved hjælp af firepunktsmåling af kompleks impedans
CNB200380104966XA CN100401980C (zh) 2002-12-03 2003-12-03 用四点复阻抗测量的活体手指检测
US10/537,508 US7848798B2 (en) 2002-12-03 2003-12-03 Live finger detection by four-point measurement of complex impedance
KR1020057010040A KR20050074650A (ko) 2002-12-03 2003-12-03 복소 임피던스의 네 지점 측정에 의한 살아있는 손가락검출
PCT/NO2003/000405 WO2004049942A1 (en) 2002-12-03 2003-12-03 Live finger detection by four-point measurement of complex impedance
AU2003302594A AU2003302594A1 (en) 2002-12-03 2003-12-03 Live finger detection by four-point measurement of complex impedance
ES03812396T ES2333119T3 (es) 2002-12-03 2003-12-03 Deteccion de dedo vivo mediante medicion en cuatro puntos de impedancia compleja.
JP2004557000A JP4528130B2 (ja) 2002-12-03 2003-12-03 複素インピーダンスの４点測定による生きている指の検出
DE60329218T DE60329218D1 (de) 2002-12-03 2003-12-03 Lebendfingernachweis durch vier-punkte-messung der komplexen impedanz
AT03812396T ATE442083T1 (de) 2002-12-03 2003-12-03 Lebendfingernachweis durch vier-punkte-messung der komplexen impedanz
EP03812396A EP1567057B1 (en) 2002-12-03 2003-12-03 Live finger detection by four-point measurement of complex impedance
NO20053222A NO339828B1 (no) 2002-12-03 2005-06-30 Sensorenhet for bestemmelse av tilstanden til en struktur for bekreftelse at et målt fingeravtrykk er på en levende finger
HK06107743.9A HK1087317A1 (no) 2002-12-03 2006-07-11
US12/961,007 US8195285B2 (en) 2002-12-03 2010-12-06 Live finger detection by four-point measurement of complex impedance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20025803A NO20025803D0 (no) 2002-12-03 2002-12-03 Levende finger

Publications (1)

Publication Number Publication Date
NO20025803D0 true NO20025803D0 (no) 2002-12-03

Family

ID=19914250

Family Applications (2)

Application Number Title Priority Date Filing Date
NO20025803A NO20025803D0 (no) 2002-12-03 2002-12-03 Levende finger
NO20053222A NO339828B1 (no) 2002-12-03 2005-06-30 Sensorenhet for bestemmelse av tilstanden til en struktur for bekreftelse at et målt fingeravtrykk er på en levende finger

Family Applications After (1)

Application Number Title Priority Date Filing Date
NO20053222A NO339828B1 (no) 2002-12-03 2005-06-30 Sensorenhet for bestemmelse av tilstanden til en struktur for bekreftelse at et målt fingeravtrykk er på en levende finger

Country Status (13)

Country Link
US (2) US7848798B2 (no)
EP (1) EP1567057B1 (no)
JP (1) JP4528130B2 (no)
KR (1) KR20050074650A (no)
CN (1) CN100401980C (no)
AT (1) ATE442083T1 (no)
AU (1) AU2003302594A1 (no)
DE (1) DE60329218D1 (no)
DK (1) DK1567057T3 (no)
ES (1) ES2333119T3 (no)
HK (1) HK1087317A1 (no)
NO (2) NO20025803D0 (no)
WO (1) WO2004049942A1 (no)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110772252A (zh) * 2018-07-27 2020-02-11 三星电子株式会社 测量生物信号的装置和方法

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NO20025803D0 (no) 2002-12-03 2002-12-03 Idex Asa Levende finger
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US8116540B2 (en) 2008-04-04 2012-02-14 Validity Sensors, Inc. Apparatus and method for reducing noise in fingerprint sensing circuits
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US8791792B2 (en) 2010-01-15 2014-07-29 Idex Asa Electronic imager using an impedance sensor grid array mounted on or about a switch and method of making
US9666635B2 (en) 2010-02-19 2017-05-30 Synaptics Incorporated Fingerprint sensing circuit
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TWI612298B (zh) * 2016-07-22 2018-01-21 奇景光電股份有限公司 材料辨識系統及相關辨識方法
CN107664656B (zh) * 2016-07-28 2020-06-30 奇景光电股份有限公司 材料辨识系统及材料辨识方法
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CN110772252A (zh) * 2018-07-27 2020-02-11 三星电子株式会社 测量生物信号的装置和方法

Also Published As

Publication number Publication date
JP2006508734A (ja) 2006-03-16
ES2333119T3 (es) 2010-02-17
ATE442083T1 (de) 2009-09-15
NO20053222D0 (no) 2005-06-30
US8195285B2 (en) 2012-06-05
US20110074443A1 (en) 2011-03-31
CN1720001A (zh) 2006-01-11
WO2004049942A1 (en) 2004-06-17
US20050281441A1 (en) 2005-12-22
AU2003302594A1 (en) 2004-06-23
EP1567057B1 (en) 2009-09-09
NO20053222L (no) 2005-06-30
JP4528130B2 (ja) 2010-08-18
HK1087317A1 (no) 2006-10-13
DK1567057T3 (da) 2009-11-23
DE60329218D1 (de) 2009-10-22
KR20050074650A (ko) 2005-07-18
EP1567057A1 (en) 2005-08-31
CN100401980C (zh) 2008-07-16
NO339828B1 (no) 2017-02-13
US7848798B2 (en) 2010-12-07

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