WO2002095439A3 - Surface capacitance sensor system using buried stimulus electrode - Google Patents
Surface capacitance sensor system using buried stimulus electrode Download PDFInfo
- Publication number
- WO2002095439A3 WO2002095439A3 PCT/US2002/016533 US0216533W WO02095439A3 WO 2002095439 A3 WO2002095439 A3 WO 2002095439A3 US 0216533 W US0216533 W US 0216533W WO 02095439 A3 WO02095439 A3 WO 02095439A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrodes
- sensor
- sensor system
- buried
- surface capacitance
- Prior art date
Links
Classifications
-
- 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
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002591858A JP4102672B2 (en) | 2001-05-22 | 2002-05-22 | Surface capacitive sensor system using implantable stimulation electrodes |
AU2002310124A AU2002310124A1 (en) | 2001-05-22 | 2002-05-22 | Surface capacitance sensor system using buried stimulus electrode |
EP02737174A EP1412765A4 (en) | 2001-05-22 | 2002-05-22 | Surface capacitance sensor system using buried stimulus electrode |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29285801P | 2001-05-22 | 2001-05-22 | |
US60/292,858 | 2001-05-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002095439A2 WO2002095439A2 (en) | 2002-11-28 |
WO2002095439A3 true WO2002095439A3 (en) | 2003-05-01 |
Family
ID=23126513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2002/016533 WO2002095439A2 (en) | 2001-05-22 | 2002-05-22 | Surface capacitance sensor system using buried stimulus electrode |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1412765A4 (en) |
JP (1) | JP4102672B2 (en) |
AU (1) | AU2002310124A1 (en) |
TW (1) | TWI225932B (en) |
WO (1) | WO2002095439A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8194047B2 (en) * | 2009-11-16 | 2012-06-05 | Au Optronics Corporation | Multi-channel touch panel |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5869791A (en) * | 1995-04-18 | 1999-02-09 | U.S. Philips Corporation | Method and apparatus for a touch sensing device having a thin film insulation layer about the periphery of each sensing element |
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 |
US6289114B1 (en) * | 1996-06-14 | 2001-09-11 | Thomson-Csf | Fingerprint-reading system |
US6317508B1 (en) * | 1998-01-13 | 2001-11-13 | Stmicroelectronics, Inc. | Scanning capacitive semiconductor fingerprint detector |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4353056A (en) * | 1980-06-05 | 1982-10-05 | Siemens Corporation | Capacitive fingerprint sensor |
JPS5987583A (en) * | 1982-11-11 | 1984-05-21 | Sony Corp | Position detector |
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 (en) * | 1992-09-30 | 2000-10-16 | 新光電気工業株式会社 | Shape inspection method and shape inspection device |
JP3418479B2 (en) * | 1995-05-11 | 2003-06-23 | 日本電信電話株式会社 | Fingerprint input device |
US5963679A (en) * | 1996-01-26 | 1999-10-05 | Harris Corporation | Electric field fingerprint sensor apparatus and related methods |
-
2002
- 2002-05-22 EP EP02737174A patent/EP1412765A4/en not_active Withdrawn
- 2002-05-22 WO PCT/US2002/016533 patent/WO2002095439A2/en active Application Filing
- 2002-05-22 TW TW091110792A patent/TWI225932B/en not_active IP Right Cessation
- 2002-05-22 AU AU2002310124A patent/AU2002310124A1/en not_active Abandoned
- 2002-05-22 JP JP2002591858A patent/JP4102672B2/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5869791A (en) * | 1995-04-18 | 1999-02-09 | U.S. Philips Corporation | Method and apparatus for a touch sensing device having a thin film insulation layer about the periphery of each sensing element |
US6289114B1 (en) * | 1996-06-14 | 2001-09-11 | Thomson-Csf | Fingerprint-reading system |
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 |
Also Published As
Publication number | Publication date |
---|---|
JP2004528572A (en) | 2004-09-16 |
WO2002095439A2 (en) | 2002-11-28 |
TWI225932B (en) | 2005-01-01 |
AU2002310124A1 (en) | 2002-12-03 |
EP1412765A4 (en) | 2008-02-06 |
JP4102672B2 (en) | 2008-06-18 |
EP1412765A2 (en) | 2004-04-28 |
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