WO2011067428A1 - Carte intelligente sans contacts - Google Patents

Carte intelligente sans contacts Download PDF

Info

Publication number
WO2011067428A1
WO2011067428A1 PCT/ES2009/070558 ES2009070558W WO2011067428A1 WO 2011067428 A1 WO2011067428 A1 WO 2011067428A1 ES 2009070558 W ES2009070558 W ES 2009070558W WO 2011067428 A1 WO2011067428 A1 WO 2011067428A1
Authority
WO
WIPO (PCT)
Prior art keywords
card
smart card
contactless smart
capacitive sensor
microprocessor
Prior art date
Application number
PCT/ES2009/070558
Other languages
English (en)
Spanish (es)
Inventor
Jose Carlos Cossio Gomez
Original Assignee
Servicios Para Medios De Pago, S.A.
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 Servicios Para Medios De Pago, S.A. filed Critical Servicios Para Medios De Pago, S.A.
Priority to PCT/ES2009/070558 priority Critical patent/WO2011067428A1/fr
Publication of WO2011067428A1 publication Critical patent/WO2011067428A1/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
    • G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers
    • G06K19/07345—Means for preventing undesired reading or writing from or onto record carriers by activating or deactivating at least a part of the circuit on the record carrier, e.g. ON/OFF switches
    • G06K19/07354—Means for preventing undesired reading or writing from or onto record carriers by activating or deactivating at least a part of the circuit on the record carrier, e.g. ON/OFF switches by biometrically sensitive means, e.g. fingerprint sensitive
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0716—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising a sensor or an interface to a sensor
    • G06K19/0718—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising a sensor or an interface to a sensor the sensor being of the biometric kind, e.g. fingerprint sensors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs

Definitions

  • the invention relates to the magnetic and security card sector, in particular for contactless cards. Specifically, it focuses on the implantation of a capacitive sensor on the card itself, which prevents activation of the card without positioning the user's finger on said sensor.
  • Smart cards are plastic cards, similar in size and others to credit cards, which have an integrated circuit stamped on them. There are smart cards with contacts and without contacts, both being able to perform the same functions, but using different transmission protocols in logical and physical layer. So, focusing on the cards Smart contacts without contacts, these do not use a galvanic contact but inductive interaction, which does not need to be introduced into an intelligent reader terminal.
  • Patent EP 1706852 is known in the state of the art, which consists of an identification card that has means for generating and transmitting signals in the body of the cardholder, and means for receive and interpret the signals of the cardholder's body.
  • the signals are attenuated by the bioelectrical impedance of the cardholder's body, such that the interpretation of the attenuated signals by means of interpretation provides a bioelectrical impedance signature to uniquely identify the cardholder.
  • the means for generating and transmitting signals in the cardholder's body and the means for receiving and interpreting the signals of the cardholder's body comprise a controller that has a central processing unit and an associated memory, two or more electrodes.
  • the two or more electrodes are arranged on the opposite main faces of the identification card and are positioned such that the index finger and the thumb are naturally located thereon when the card is held between the index and thumb fingers, and when the cardholder holds the electrodes between his index and his thumb for a predetermined period of time, the card's own energy source is activated.
  • WO 2009/005927 describes a fraud control method associated with prepaid devices. It includes the configuration of the anti-fraud platform parameters comprising one or more of the limits defined by one or more limit values associated with a particular platform parameter, one or more thresholds defined by one or more threshold values associated with a particular platform parameter, and one or more rules that define the restrictions of certain prepaid device activities. The method also includes the application of fraud parameters to the device production data prepaid platform and determining whether the issuance of the device prepaid, depending on whether the parameters were caused by data production.
  • the proposed invention consists of a contactless smart card that uses a capacitive sensor made with a thin layer of metallic material (copper or aluminum) incorporated into the screen printing of the card, so that when a finger is approached a variation in the capacity which is detected by the microcontroller as a valid pulse of the sensor.
  • an oscillator of a known frequency is created that allows the detection capacitor to be loaded and unloaded, which is implemented by means of a copper metallic foil engraved on the screen of the card.
  • the timer of the microcontroller together with the corresponding software is able to detect that it is a valid pulse of the capacitive sensor.
  • Figure 1 shows a schematic view of the contactless smart card of the invention.
  • Contactless smart card comprising a plastic support (3) with at least one part of its surface a registration area, an antenna (4) and an integrated circuit (3) inserted in the plastic support (1) that It contains a microprocessor with the timer and the corresponding software.
  • This card is characterized by its advantages over those of the same type that allow distance reading without user authorization. This is achieved thanks to the provision on its own support (1) of a capacitive sensor (1) incorporated into the screen printing of the card, which is implemented by a thin metallic sheet of material chosen from copper, aluminum or other flexible metallic material.
  • a capacitive sensor (1) incorporated into the screen printing of the card, which is implemented by a thin metallic sheet of material chosen from copper, aluminum or other flexible metallic material.
  • the timer of the microcontroller together with the corresponding software is able to detect that it is a valid pulse of the capacitive sensor. In this way, the card is not activated when any radiofrequency field radiates the card, but only when the finger is located on the capacitive sensor (1). This prevents the execution of commands without the express authorization of the user.

Abstract

L'invention concerne une carte intelligente sans contacts qui comprend un support (3) en plastique avec au moins dans une partie de sa surface une zone d'enregistrement, une antenne (4) et un circuit intégré (3) inséré dans le support (1) en plastique qui contient un microprocesseur avec un compteur et un logiciel correspondant, qui comprend un capteur capacitif (1) composé d'une fine couche métallique de cuivre, d'aluminium ou d'un autre matériau métallique souple, incorporé à la sérigraphie de la carte, de façon que l'approche d'un doigt produise une variation dans la capacité qui est détectée par le microprocesseur comme une pulsation valide du capteur.
PCT/ES2009/070558 2009-12-04 2009-12-04 Carte intelligente sans contacts WO2011067428A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/ES2009/070558 WO2011067428A1 (fr) 2009-12-04 2009-12-04 Carte intelligente sans contacts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2009/070558 WO2011067428A1 (fr) 2009-12-04 2009-12-04 Carte intelligente sans contacts

Publications (1)

Publication Number Publication Date
WO2011067428A1 true WO2011067428A1 (fr) 2011-06-09

Family

ID=44114634

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2009/070558 WO2011067428A1 (fr) 2009-12-04 2009-12-04 Carte intelligente sans contacts

Country Status (1)

Country Link
WO (1) WO2011067428A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103235924A (zh) * 2013-03-28 2013-08-07 东信和平科技股份有限公司 一种非接触式读卡器的电容感应方法及装置
FR3021456A1 (fr) * 2014-05-23 2015-11-27 Oberthur Technologies Procede de fabrication d'un capteur sur un substrat isolant

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006138440A2 (fr) * 2005-06-16 2006-12-28 Visa International Service Association Systemes et procedes d'actionnement sans contact
US7307485B1 (en) * 2005-11-14 2007-12-11 Cypress Semiconductor Corporation Capacitance sensor using relaxation oscillators
US7541816B1 (en) * 2008-05-05 2009-06-02 Generalplus Technology Inc. Capacitive sensor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006138440A2 (fr) * 2005-06-16 2006-12-28 Visa International Service Association Systemes et procedes d'actionnement sans contact
US7307485B1 (en) * 2005-11-14 2007-12-11 Cypress Semiconductor Corporation Capacitance sensor using relaxation oscillators
US7541816B1 (en) * 2008-05-05 2009-06-02 Generalplus Technology Inc. Capacitive sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103235924A (zh) * 2013-03-28 2013-08-07 东信和平科技股份有限公司 一种非接触式读卡器的电容感应方法及装置
FR3021456A1 (fr) * 2014-05-23 2015-11-27 Oberthur Technologies Procede de fabrication d'un capteur sur un substrat isolant

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