TWI225932B - Surface capacitance sensor system using buried stimulus electrode - Google Patents

Surface capacitance sensor system using buried stimulus electrode Download PDF

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Publication number
TWI225932B
TWI225932B TW091110792A TW91110792A TWI225932B TW I225932 B TWI225932 B TW I225932B TW 091110792 A TW091110792 A TW 091110792A TW 91110792 A TW91110792 A TW 91110792A TW I225932 B TWI225932 B TW I225932B
Authority
TW
Taiwan
Prior art keywords
electrode
patent application
sensor
capacitance
electrodes
Prior art date
Application number
TW091110792A
Other languages
English (en)
Chinese (zh)
Inventor
Thomas Lester Andrade
Original Assignee
Silable 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 Silable Inc filed Critical Silable Inc
Application granted granted Critical
Publication of TWI225932B publication Critical patent/TWI225932B/zh

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Classifications

    • 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

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  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
TW091110792A 2001-05-22 2002-05-22 Surface capacitance sensor system using buried stimulus electrode TWI225932B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29285801P 2001-05-22 2001-05-22

Publications (1)

Publication Number Publication Date
TWI225932B true TWI225932B (en) 2005-01-01

Family

ID=23126513

Family Applications (1)

Application Number Title Priority Date Filing Date
TW091110792A TWI225932B (en) 2001-05-22 2002-05-22 Surface capacitance sensor system using buried stimulus electrode

Country Status (5)

Country Link
EP (1) EP1412765A4 (de)
JP (1) JP4102672B2 (de)
AU (1) AU2002310124A1 (de)
TW (1) TWI225932B (de)
WO (1) WO2002095439A2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI396120B (zh) * 2009-11-16 2013-05-11 Au Optronics Corp 多頻道觸控面板

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4353056A (en) * 1980-06-05 1982-10-05 Siemens Corporation Capacitive fingerprint sensor
JPS5987583A (ja) * 1982-11-11 1984-05-21 Sony Corp 位置検出装置
US4526043A (en) * 1983-05-23 1985-07-02 At&T Bell Laboratories Conformable tactile sensor
US5010772A (en) * 1986-04-11 1991-04-30 Purdue Research Foundation Pressure mapping system with capacitive measuring pad
GB2244164A (en) * 1990-05-18 1991-11-20 Philips Electronic Associated Fingerprint sensing
JP3098635B2 (ja) * 1992-09-30 2000-10-16 新光電気工業株式会社 形状検査方法と形状検査装置
GB9507817D0 (en) * 1995-04-18 1995-05-31 Philips Electronics Uk Ltd Touch sensing devices and methods of making such
JP3418479B2 (ja) * 1995-05-11 2003-06-23 日本電信電話株式会社 指紋入力装置
US5963679A (en) * 1996-01-26 1999-10-05 Harris Corporation Electric field fingerprint sensor apparatus and related methods
FR2749955B1 (fr) * 1996-06-14 1998-09-11 Thomson Csf Systeme de lecture d'empreintes digitales
US6191593B1 (en) * 1997-12-17 2001-02-20 Stmicroelectronics, Inc. Method for the non-invasive sensing of physical matter on the detection surface of a capacitive sensor
US6317508B1 (en) * 1998-01-13 2001-11-13 Stmicroelectronics, Inc. Scanning capacitive semiconductor fingerprint detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI396120B (zh) * 2009-11-16 2013-05-11 Au Optronics Corp 多頻道觸控面板

Also Published As

Publication number Publication date
WO2002095439A2 (en) 2002-11-28
AU2002310124A1 (en) 2002-12-03
EP1412765A4 (de) 2008-02-06
WO2002095439A3 (en) 2003-05-01
EP1412765A2 (de) 2004-04-28
JP4102672B2 (ja) 2008-06-18
JP2004528572A (ja) 2004-09-16

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