JP2001525067A - 調節可能な利得を有する容量性指紋センサ - Google Patents

調節可能な利得を有する容量性指紋センサ

Info

Publication number
JP2001525067A
JP2001525067A JP54939098A JP54939098A JP2001525067A JP 2001525067 A JP2001525067 A JP 2001525067A JP 54939098 A JP54939098 A JP 54939098A JP 54939098 A JP54939098 A JP 54939098A JP 2001525067 A JP2001525067 A JP 2001525067A
Authority
JP
Japan
Prior art keywords
array
sensing
sensing elements
sensing element
voltage
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.)
Pending
Application number
JP54939098A
Other languages
English (en)
Japanese (ja)
Inventor
ジー． ディッキンソン，アレクサンダー
マクファーソン，ロス
メンディス，スネトラ
シー． ロス，ポール
Original Assignee
ベリディコム，インコーポレイテッド
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25320687&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP2001525067(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ベリディコム，インコーポレイテッド filed Critical ベリディコム，インコーポレイテッド
Publication of JP2001525067A publication Critical patent/JP2001525067A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/004—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring coordinates of points
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/34—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • 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
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/30—Individual registration on entry or exit not involving the use of a pass
    • G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
    • G07C9/37—Individual registration on entry or exit not involving the use of a pass in combination with an identity check using biometric data, e.g. fingerprints, iris scans or voice recognition

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (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)
JP54939098A 1997-05-13 1998-05-12 調節可能な利得を有する容量性指紋センサ Pending JP2001525067A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/855,230 US6049620A (en) 1995-12-15 1997-05-13 Capacitive fingerprint sensor with adjustable gain
US08/855,230 1997-05-13
PCT/US1998/009597 WO1998052135A2 (en) 1997-05-13 1998-05-12 Capacitive fingerprint sensor with adjustable gain

Publications (1)

Publication Number Publication Date
JP2001525067A true JP2001525067A (ja) 2001-12-04

Family

ID=25320687

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54939098A Pending JP2001525067A (ja) 1997-05-13 1998-05-12 調節可能な利得を有する容量性指紋センサ

Country Status (5)

Country Link
US (2) US6049620A (US06538456-20030325-M00005.png)
EP (1) EP0981800A4 (US06538456-20030325-M00005.png)
JP (1) JP2001525067A (US06538456-20030325-M00005.png)
AU (1) AU7379698A (US06538456-20030325-M00005.png)
WO (1) WO1998052135A2 (US06538456-20030325-M00005.png)

Cited By (2)

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US7486809B2 (en) 2004-02-17 2009-02-03 Seiko Epson Corporation Capacitance detection device, fingerprint sensor, biometric authentication device, and method for searching capacitance detection condition
WO2011070660A1 (ja) 2009-12-09 2011-06-16 富士通株式会社 静電容量センサ及び生体画像生成方法

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EP0981800A2 (en) 2000-03-01
WO1998052135A3 (en) 1999-03-25
US6049620A (en) 2000-04-11
WO1998052135A2 (en) 1998-11-19
EP0981800A4 (en) 2001-01-31
AU7379698A (en) 1998-12-08
US6538456B1 (en) 2003-03-25

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