ES2175176T3 - Metodo y dispositovo para la deteccion de un elemento electroconductor en un documento. - Google Patents

Metodo y dispositovo para la deteccion de un elemento electroconductor en un documento.

Info

Publication number
ES2175176T3
ES2175176T3 ES96944044T ES96944044T ES2175176T3 ES 2175176 T3 ES2175176 T3 ES 2175176T3 ES 96944044 T ES96944044 T ES 96944044T ES 96944044 T ES96944044 T ES 96944044T ES 2175176 T3 ES2175176 T3 ES 2175176T3
Authority
ES
Spain
Prior art keywords
driving element
document
detection
signal
electro
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.)
Expired - Lifetime
Application number
ES96944044T
Other languages
English (en)
Inventor
Christoph Dr Gerz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Giesecke+Devrient GmbH
Original Assignee
Giesecke+Devrient GmbH
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 Giesecke+Devrient GmbH filed Critical Giesecke+Devrient GmbH
Application granted granted Critical
Publication of ES2175176T3 publication Critical patent/ES2175176T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/088—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices operating with electric fields

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Facsimile Heads (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

LA INVENCION SE REFIERE A UN PROCESO PARA LA DETECCION DE UN ELEMENTO CONDUCTOR ELECTRICO EN UN DOCUMENTO, EN EL QUE SE ACOPLA UNA SEÑAL CON FRECUENCIA PORTADORA MODULADA CON, AL MENOS, UN ELECTRODO TRANSMISOR. ESTA SEÑAL SE TRANSMITE, POR LO MENOS, A UN ELECTRODO DE RECEPCION A TRAVES DEL ELEMENTO CONDUCTOR ELECTRICO, PROCESANDOSE LA SEÑAL MODULADA RECIBIDA PARA EL RECONOCIMIENTO DEL ELEMENTO CONDUCTOR ELECTRICO. EL ELEMENTO CONDUCTOR ELECTRICO FORMA DE ESTA MANERA UN ELEMENTO ACOPLADOR CAPACITIVO ENTRE EL ELECTRODO DE TRANSMISION Y DE RECEPCION.
ES96944044T 1995-12-22 1996-12-20 Metodo y dispositovo para la deteccion de un elemento electroconductor en un documento. Expired - Lifetime ES2175176T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19548532A DE19548532A1 (de) 1995-12-22 1995-12-22 Verfahren zur Detektion eines elektrisch leitfähigen Elements in einem Dokument

Publications (1)

Publication Number Publication Date
ES2175176T3 true ES2175176T3 (es) 2002-11-16

Family

ID=7781280

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96944044T Expired - Lifetime ES2175176T3 (es) 1995-12-22 1996-12-20 Metodo y dispositovo para la deteccion de un elemento electroconductor en un documento.

Country Status (10)

Country Link
US (1) US6094147A (es)
EP (1) EP0811209B1 (es)
JP (1) JP4027975B2 (es)
CN (1) CN1126067C (es)
AT (1) ATE216521T1 (es)
AU (1) AU1377397A (es)
DE (2) DE19548532A1 (es)
ES (1) ES2175176T3 (es)
RU (1) RU2169392C2 (es)
WO (1) WO1997023848A1 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19718916A1 (de) * 1997-04-25 1998-10-29 Whd Elektron Prueftech Gmbh Anwendung und Verfahren zur Prüfung von Kokumenten mit beugungsoptisch wirksamen Sicherheitsschichten
DE19734855B4 (de) * 1997-08-12 2005-09-08 WHD elektronische Prüftechnik GmbH Vorrichtung zur Prüfung beugungsoptisch wirksamer Sicherheitselemente
NL1008929C2 (nl) * 1998-04-20 1999-10-21 Vhp Ugchelen Bv Uit papier vervaardigd substraat voorzien van een geïntegreerde schakeling.
GB2343571B (en) * 1998-11-07 2001-01-10 Marconi Electronic Syst Ltd A receiver circuit
US6714214B1 (en) * 1999-12-07 2004-03-30 Microsoft Corporation System method and user interface for active reading of electronic content
DE10122100A1 (de) * 2001-05-07 2002-11-14 Giesecke & Devrient Gmbh Vorrichtung und Verfahren zur Untersuchung von Objekten
DE102004022752B4 (de) 2004-05-07 2018-03-08 Bundesdruckerei Gmbh Vorrichtung zur Echtheitsprüfung eines Wert- oder Sicherheitsdokuments
CN102230949A (zh) * 2011-03-30 2011-11-02 电子科技大学 一种电子元器件微小区域电容值的检测系统
CN104049003A (zh) * 2014-06-10 2014-09-17 中国人民银行印制科学技术研究所 一种阵列电容式感应传感器及有价证券防伪检测方法
CN104802514B (zh) * 2015-05-13 2017-12-22 广州广电运通金融电子股份有限公司 一种表面粘贴异物的薄片类介质检测装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4255652A (en) * 1979-01-31 1981-03-10 Coulter Systems Corporation High speed electrically responsive indicia detecting apparatus and method
US5417316A (en) * 1993-03-18 1995-05-23 Authentication Technologies, Inc. Capacitive verification device for a security thread embedded within currency paper
DE4339417A1 (de) * 1993-11-18 1995-05-24 Optima Buerotechnik Gmbh Banknoten - Prüfgerät
DE4405860B4 (de) * 1994-02-23 2006-11-23 WHD elektronische Prüftechnik GmbH Messanordnung zur Auswertung eines Metallfadens
US5419424A (en) * 1994-04-28 1995-05-30 Authentication Technologies, Inc. Currency paper security thread verification device
US5614824A (en) * 1995-05-15 1997-03-25 Crane & Co., Inc. Harmonic-based verifier device for a magnetic security thread having linear and non-linear ferromagnetic characteristics

Also Published As

Publication number Publication date
AU1377397A (en) 1997-07-17
DE59609094D1 (de) 2002-05-23
ATE216521T1 (de) 2002-05-15
JP4027975B2 (ja) 2007-12-26
EP0811209A1 (de) 1997-12-10
JPH11501139A (ja) 1999-01-26
US6094147A (en) 2000-07-25
RU2169392C2 (ru) 2001-06-20
EP0811209B1 (de) 2002-04-17
CN1126067C (zh) 2003-10-29
DE19548532A1 (de) 1997-06-26
CN1178593A (zh) 1998-04-08
WO1997023848A1 (de) 1997-07-03

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