BR9912939A - Processo para a gravação de imagens - Google Patents

Processo para a gravação de imagens

Info

Publication number
BR9912939A
BR9912939A BR9912939-6A BR9912939A BR9912939A BR 9912939 A BR9912939 A BR 9912939A BR 9912939 A BR9912939 A BR 9912939A BR 9912939 A BR9912939 A BR 9912939A
Authority
BR
Brazil
Prior art keywords
conductors
shielding
recording images
always
conductor
Prior art date
Application number
BR9912939-6A
Other languages
English (en)
Inventor
Paul-Werner Von Basse
Josef Willer
Thomas Scheiter
Stephan Marksteiner
Original Assignee
Infineon Technologies Ag
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 Infineon Technologies Ag filed Critical Infineon Technologies Ag
Publication of BR9912939A publication Critical patent/BR9912939A/pt

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

Landscapes

  • 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)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Image Input (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Collating Specific Patterns (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Radiation (AREA)

Abstract

"PROCESSO PARA A GRAVAçãO DE IMAGENS". Uma disposição em forma de retícula de superfícies de condutores é utilizada para a gravação capacitiva de imagens sendo que sempre entre os condutores (2) previstos para a medição são utilizados condutores de blindagem (8). Durante vários ciclos de carregamento e de descarregamento é sempre levado o potencial sobre os condutores correspondentes a cada ponto de imagem para impedir correntes de deslocamento entre os condensadores de blindagem. Para idêntica variação dos potenciais elétricos sobre esse condutores pode ser utilizado, por exemplo, um condutor de compensação com um amplificador de operação regenerado (9, 10).
BR9912939-6A 1998-08-13 1999-08-12 Processo para a gravação de imagens BR9912939A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19836770A DE19836770C1 (de) 1998-08-13 1998-08-13 Verfahren zur kapazitiven Bilderfassung
PCT/DE1999/002523 WO2000010205A2 (de) 1998-08-13 1999-08-12 Verfahren zur kapazitiven bilderfassung

Publications (1)

Publication Number Publication Date
BR9912939A true BR9912939A (pt) 2005-04-12

Family

ID=7877459

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9912939-6A BR9912939A (pt) 1998-08-13 1999-08-12 Processo para a gravação de imagens

Country Status (13)

Country Link
US (1) US6365888B2 (pt)
EP (1) EP1110169B1 (pt)
JP (1) JP3482190B2 (pt)
KR (1) KR100416445B1 (pt)
CN (1) CN1134746C (pt)
AT (1) ATE214179T1 (pt)
BR (1) BR9912939A (pt)
DE (2) DE19836770C1 (pt)
ES (1) ES2173760T3 (pt)
MX (1) MXPA01001551A (pt)
RU (1) RU2192665C1 (pt)
UA (1) UA55554C2 (pt)
WO (1) WO2000010205A2 (pt)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10021501C1 (de) * 2000-05-03 2001-10-31 Siemens Ag Aktivierung eines Fingertip-Sensors
US6665428B1 (en) * 2000-08-28 2003-12-16 Stmicroelectronics, Inc. Resistive finger detection for fingerprint sensor
US6501284B1 (en) * 2000-08-28 2002-12-31 Stmicroelectronics, Inc. Capacitive finger detection for fingerprint sensor
DE10110724A1 (de) * 2001-03-06 2002-09-26 Infineon Technologies Ag Fingerabdrucksensor mit Potentialmodulation des ESD-Schutzgitters
US6525547B2 (en) * 2001-04-17 2003-02-25 Sentronics Corporation Capacitive two dimensional sensor
US7256589B2 (en) 2001-04-27 2007-08-14 Atrua Technologies, Inc. Capacitive sensor system with improved capacitance measuring sensitivity
US7259573B2 (en) 2001-05-22 2007-08-21 Atrua Technologies, Inc. Surface capacitance sensor system using buried stimulus electrode
US20030013328A1 (en) * 2001-05-22 2003-01-16 Andrade Thomas L. Connection assembly for integrated circuit sensors
TW583592B (en) * 2002-04-03 2004-04-11 Lightuning Tech Inc Capacitive fingerprint sensor
KR100473383B1 (ko) * 2002-07-19 2005-03-10 매그나칩 반도체 유한회사 정전용량식 지문감지센서의 단위화소 및 그를 이용한지문감지장치
DE10260186B3 (de) * 2002-12-20 2004-06-24 Infineon Technologies Ag Biometrischer Sensor
KR100943271B1 (ko) * 2003-05-06 2010-02-23 삼성전자주식회사 지문 인식신호 처리장치
DE10350410A1 (de) * 2003-10-28 2005-01-20 Infineon Technologies Ag Fingerabdrucksensor mit Sensorschaltung zur Erfassung eines Messparameters
DE102005024992B4 (de) * 2005-06-01 2007-02-08 Heidelberger Druckmaschinen Ag Verfahren und Vorrichtung zum Fördern eines Bogens durch eine drucktechnische Maschine
DE102007003887A1 (de) * 2007-01-19 2008-07-24 Endress + Hauser Gmbh + Co. Kg Verfahren zur Bedienung einer Vorrichtung zur kapazitiven Bestimmung und/oder Überwachung einer Prozessgröße
US9747489B2 (en) * 2014-01-14 2017-08-29 Focaltech Electronics, Ltd. Electric field-type fingerprint identification apparatus and state control method and prosthesis identification method thereof
US9152841B1 (en) * 2014-03-24 2015-10-06 Fingerprint Cards Ab Capacitive fingerprint sensor with improved sensing element
US10004432B2 (en) 2015-09-01 2018-06-26 Qualcomm Incorporated Pixel receiver with capacitance cancellation for ultrasonic imaging apparatus
US9753598B2 (en) * 2015-12-30 2017-09-05 Image Match Design Inc. Sensing device
KR101886034B1 (ko) * 2017-06-09 2018-09-07 주식회사 센소니아 성능이 강화되는 지문 인식 시스템 및 이에 포함되는 누적 측정 회로
US10650214B2 (en) 2018-04-24 2020-05-12 Image Match Design Inc. Fingerprint sensor and method of fingerprint detection

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4290052A (en) * 1979-10-26 1981-09-15 General Electric Company Capacitive touch entry apparatus having high degree of personal safety
GB2244164A (en) * 1990-05-18 1991-11-20 Philips Electronic Associated Fingerprint sensing
US5489888A (en) * 1990-11-07 1996-02-06 Precitec Gmbh Sensor system for contactless distance measuring
US5963679A (en) * 1996-01-26 1999-10-05 Harris Corporation Electric field fingerprint sensor apparatus and related methods
DE19756560C2 (de) * 1997-12-18 2000-06-21 Siemens Ag Verfahren und Vorrichtung zur Bilderfassung

Also Published As

Publication number Publication date
DE59900961D1 (de) 2002-04-11
WO2000010205A2 (de) 2000-02-24
JP3482190B2 (ja) 2003-12-22
KR20010072461A (ko) 2001-07-31
US6365888B2 (en) 2002-04-02
US20010022337A1 (en) 2001-09-20
ATE214179T1 (de) 2002-03-15
DE19836770C1 (de) 2000-04-20
EP1110169B1 (de) 2002-03-06
UA55554C2 (uk) 2003-04-15
ES2173760T3 (es) 2002-10-16
RU2192665C1 (ru) 2002-11-10
RU2001107020A (ru) 2004-01-27
CN1312929A (zh) 2001-09-12
WO2000010205A3 (de) 2000-05-18
JP2002522797A (ja) 2002-07-23
EP1110169A2 (de) 2001-06-27
CN1134746C (zh) 2004-01-14
KR100416445B1 (ko) 2004-01-31
MXPA01001551A (es) 2005-06-20

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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.