DE69811361D1 - Fingerabdrucksensor mit einer anisotropen dielektrischen schicht und dazugehörige verfahren - Google Patents

Fingerabdrucksensor mit einer anisotropen dielektrischen schicht und dazugehörige verfahren

Info

Publication number
DE69811361D1
DE69811361D1 DE69811361T DE69811361T DE69811361D1 DE 69811361 D1 DE69811361 D1 DE 69811361D1 DE 69811361 T DE69811361 T DE 69811361T DE 69811361 T DE69811361 T DE 69811361T DE 69811361 D1 DE69811361 D1 DE 69811361D1
Authority
DE
Germany
Prior art keywords
dielectric layer
fingerprint sensor
related method
anisotropic dielectric
anisotropic
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69811361T
Other languages
English (en)
Other versions
DE69811361T2 (de
Inventor
R Setlak
Vonno W Van
Mike Newton
M Salatino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Authentec Inc
Original Assignee
Authentec Inc
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 Authentec Inc filed Critical Authentec Inc
Publication of DE69811361D1 publication Critical patent/DE69811361D1/de
Application granted granted Critical
Publication of DE69811361T2 publication Critical patent/DE69811361T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • 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
    • G06V40/1329—Protecting the fingerprint sensor against damage caused by the finger
    • 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
    • A61B5/1171—Identification of persons based on the shapes or appearances of their bodies or parts thereof
    • A61B5/1172—Identification of persons based on the shapes or appearances of their bodies or parts thereof using fingerprinting
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Human Computer Interaction (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Image Input (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Semiconductor Integrated Circuits (AREA)
DE69811361T 1997-05-16 1998-05-06 Fingerabdrucksensor mit einer anisotropen dielektrischen schicht und dazugehörige verfahren Expired - Fee Related DE69811361T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/858,005 US6088471A (en) 1997-05-16 1997-05-16 Fingerprint sensor including an anisotropic dielectric coating and associated methods
PCT/US1998/009204 WO1998052145A1 (en) 1997-05-16 1998-05-06 Fingerprint sensor including an anisotropic dielectric coating and associated methods

Publications (2)

Publication Number Publication Date
DE69811361D1 true DE69811361D1 (de) 2003-03-20
DE69811361T2 DE69811361T2 (de) 2003-08-21

Family

ID=25327216

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69811361T Expired - Fee Related DE69811361T2 (de) 1997-05-16 1998-05-06 Fingerabdrucksensor mit einer anisotropen dielektrischen schicht und dazugehörige verfahren

Country Status (8)

Country Link
US (2) US6088471A (de)
EP (1) EP0983572B1 (de)
JP (1) JP4082467B2 (de)
KR (1) KR20010012636A (de)
CN (1) CN1278347A (de)
AU (1) AU7565198A (de)
DE (1) DE69811361T2 (de)
WO (1) WO1998052145A1 (de)

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Also Published As

Publication number Publication date
EP0983572B1 (de) 2003-02-12
JP4082467B2 (ja) 2008-04-30
US6376393B1 (en) 2002-04-23
DE69811361T2 (de) 2003-08-21
EP0983572A1 (de) 2000-03-08
CN1278347A (zh) 2000-12-27
KR20010012636A (ko) 2001-02-26
AU7565198A (en) 1998-12-08
WO1998052145A1 (en) 1998-11-19
JP2002502517A (ja) 2002-01-22
US6088471A (en) 2000-07-11

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