BR9913510A - Processo de dispositivo para captação capacitiva de imagem - Google Patents
Processo de dispositivo para captação capacitiva de imagemInfo
- Publication number
- BR9913510A BR9913510A BR9913510-8A BR9913510A BR9913510A BR 9913510 A BR9913510 A BR 9913510A BR 9913510 A BR9913510 A BR 9913510A BR 9913510 A BR9913510 A BR 9913510A
- Authority
- BR
- Brazil
- Prior art keywords
- image capture
- image
- capacitive image
- device process
- capture
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 239000003990 capacitor Substances 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Image Input (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Facsimile Heads (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Collating Specific Patterns (AREA)
Abstract
Patente de Invenção: <B>"PROCESSO E DISPOSITIVO PARA CAPTAçãO CAPACITIVA DE IMAGEM"<D>. Em um sensor para captação capacitiva de imagens, especialmente de imagens de impressões digitais, os condensadores (C 12) associados a cada ponto de imagem são complementados por eletrodos de referência, que estão capacitivamente acoplados entre si por meio de capacitâncias de acoplamento (CK). Uma captação paralela da imagem por meio dos eletrodos de medição previstos e dos eletrodos de referência adicionais fornece, por um lado, uma imagem subdividida em correspondência à retícula, e por outro lado é tirada uma média local resultante do acoplamento capacitos, que é aproveitada como valor de referência local.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19841001A DE19841001C1 (de) | 1998-09-08 | 1998-09-08 | Verfahren und Vorrichtung zur kapazitiven Bilderfassung |
PCT/DE1999/002727 WO2000014675A1 (de) | 1998-09-08 | 1999-09-01 | Verfahren und vorrichtung zur kapazitiven bilderfassung |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9913510A true BR9913510A (pt) | 2001-06-05 |
Family
ID=7880233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9913510-8A BR9913510A (pt) | 1998-09-08 | 1999-09-01 | Processo de dispositivo para captação capacitiva de imagem |
Country Status (11)
Country | Link |
---|---|
US (1) | US6842542B2 (pt) |
EP (1) | EP1110170B1 (pt) |
JP (1) | JP2002524752A (pt) |
KR (1) | KR100417726B1 (pt) |
CN (1) | CN1225715C (pt) |
AT (1) | ATE326039T1 (pt) |
BR (1) | BR9913510A (pt) |
DE (2) | DE19841001C1 (pt) |
RU (1) | RU2192666C1 (pt) |
UA (1) | UA55557C2 (pt) |
WO (1) | WO2000014675A1 (pt) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10155733C1 (de) * | 2001-11-14 | 2003-07-10 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Bilderfassung |
AT410844B (de) * | 2002-03-25 | 2003-08-25 | Christian Stockinger | Messvorrichtung und methode zur ermittlung von ungenauem anlegen von sensoren und reduzierung von messfehlern für robuste messsysteme für z.b. physiologische messgrössen |
JP2005233688A (ja) | 2004-02-17 | 2005-09-02 | Seiko Epson Corp | 静電容量検出装置、指紋センサ、バイオメトリクス認証装置、及び静電容量検出条件の探索方法 |
US8531433B2 (en) | 2010-07-21 | 2013-09-10 | Synaptics Incorporated | Producing capacitive images comprising non-connection values |
CN102495295B (zh) * | 2011-12-26 | 2013-11-06 | 南开大学 | 一种半导体薄膜材料电容特性的测量方法及装置 |
DE102017100516A1 (de) * | 2017-01-12 | 2018-07-12 | Johannes Kepler Universität Linz | Impedanzbehaftete Elektrode |
CN107049326B (zh) * | 2017-03-15 | 2019-10-25 | 英华达(南京)科技有限公司 | 单边咀嚼监测设备及其方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4162481A (en) * | 1976-12-22 | 1979-07-24 | Recognition Equipment Incorporated | Adaptive correlator for video processing |
GB2244164A (en) * | 1990-05-18 | 1991-11-20 | Philips Electronic Associated | Fingerprint sensing |
US5812252A (en) * | 1995-01-31 | 1998-09-22 | Arete Associates | Fingerprint--Acquisition apparatus for access control; personal weapon and other systems controlled thereby |
US5907627A (en) * | 1995-11-06 | 1999-05-25 | Dew Engineering And Development Limited | Contact imaging device |
US5956415A (en) * | 1996-01-26 | 1999-09-21 | Harris Corporation | Enhanced security fingerprint sensor package and related methods |
US6067368A (en) * | 1996-01-26 | 2000-05-23 | Authentec, Inc. | Fingerprint sensor having filtering and power conserving features and related methods |
GB9608747D0 (en) * | 1996-04-26 | 1996-07-03 | Philips Electronics Nv | Fingerprint sensing devices and systems incorporating such |
GB9615278D0 (en) * | 1996-07-20 | 1996-09-04 | Philips Electronics Nv | Capacitive sensing array device |
US6038334A (en) * | 1997-02-21 | 2000-03-14 | Dew Engineering And Development Limited | Method of gathering biometric information |
US6259805B1 (en) * | 1996-12-04 | 2001-07-10 | Dew Engineering And Development Limited | Biometric security encryption system |
GB9708559D0 (en) * | 1997-04-29 | 1997-06-18 | Philips Electronics Nv | Fingerprint sensing devices and systems incorporating such |
US5953441A (en) * | 1997-05-16 | 1999-09-14 | Harris Corporation | Fingerprint sensor having spoof reduction features and related methods |
US6011859A (en) * | 1997-07-02 | 2000-01-04 | Stmicroelectronics, Inc. | Solid state fingerprint sensor packaging apparatus and method |
DE19756560C2 (de) * | 1997-12-18 | 2000-06-21 | Siemens Ag | Verfahren und Vorrichtung zur Bilderfassung |
-
1998
- 1998-09-08 DE DE19841001A patent/DE19841001C1/de not_active Expired - Fee Related
-
1999
- 1999-01-09 UA UA2001031588A patent/UA55557C2/uk unknown
- 1999-09-01 EP EP99953643A patent/EP1110170B1/de not_active Expired - Lifetime
- 1999-09-01 DE DE59913415T patent/DE59913415D1/de not_active Expired - Lifetime
- 1999-09-01 BR BR9913510-8A patent/BR9913510A/pt not_active IP Right Cessation
- 1999-09-01 KR KR10-2001-7002992A patent/KR100417726B1/ko not_active IP Right Cessation
- 1999-09-01 CN CNB998104450A patent/CN1225715C/zh not_active Expired - Lifetime
- 1999-09-01 WO PCT/DE1999/002727 patent/WO2000014675A1/de active IP Right Grant
- 1999-09-01 JP JP2000569347A patent/JP2002524752A/ja not_active Ceased
- 1999-09-01 RU RU2001109244/09A patent/RU2192666C1/ru not_active IP Right Cessation
- 1999-09-01 AT AT99953643T patent/ATE326039T1/de not_active IP Right Cessation
-
2001
- 2001-03-08 US US09/801,962 patent/US6842542B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2002524752A (ja) | 2002-08-06 |
UA55557C2 (uk) | 2003-04-15 |
US20010026635A1 (en) | 2001-10-04 |
US6842542B2 (en) | 2005-01-11 |
ATE326039T1 (de) | 2006-06-15 |
RU2192666C1 (ru) | 2002-11-10 |
WO2000014675A1 (de) | 2000-03-16 |
DE59913415D1 (de) | 2006-06-14 |
KR20010086377A (ko) | 2001-09-10 |
CN1316080A (zh) | 2001-10-03 |
CN1225715C (zh) | 2005-11-02 |
RU2001109244A (ru) | 2004-01-27 |
DE19841001C1 (de) | 2000-04-20 |
KR100417726B1 (ko) | 2004-02-11 |
EP1110170A1 (de) | 2001-06-27 |
EP1110170B1 (de) | 2006-05-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 6A, 7A E 8A ANUIDADES. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1911 DE 21/08/2007. |