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EP1496478A2 - Système de sécurité par reconnaissance d'empreintes digitales - Google Patents

Système de sécurité par reconnaissance d'empreintes digitales Download PDF

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Publication number
EP1496478A2
EP1496478A2 EP04103268A EP04103268A EP1496478A2 EP 1496478 A2 EP1496478 A2 EP 1496478A2 EP 04103268 A EP04103268 A EP 04103268A EP 04103268 A EP04103268 A EP 04103268A EP 1496478 A2 EP1496478 A2 EP 1496478A2
Authority
EP
European Patent Office
Prior art keywords
digital data
local
remote
cpu
fingerprint
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.)
Withdrawn
Application number
EP04103268A
Other languages
German (de)
English (en)
Other versions
EP1496478A3 (fr
Inventor
Massimiliano Villa
Matteo Cavaioni
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.)
Multimedia Srl
Original Assignee
Multimedia Srl
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 Multimedia Srl filed Critical Multimedia Srl
Publication of EP1496478A2 publication Critical patent/EP1496478A2/fr
Publication of EP1496478A3 publication Critical patent/EP1496478A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/30—Individual registration on entry or exit not involving the use of a pass
    • G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
    • G07C9/37—Individual registration on entry or exit not involving the use of a pass in combination with an identity check using biometric data, e.g. fingerprints, iris scans or voice recognition

Definitions

  • the present invention refers to a security system provided for recognition of fingerprints.
  • the present invention refers, but is not limited to a security system which can be used as an anti-theft device for vehicles such as cars, or places or premises such as houses.
  • each user is provided with a transponder (in particular, a transmitter which operates at a frequency of 433 MHz) which emits a signal which is recognized by a system installed in the vehicle when the engine is turned on.
  • a transponder in particular, a transmitter which operates at a frequency of 433 MHz
  • failed recognition can prevent the vehicle from starting or can be followed by transmission of a silent alarm to a managing centre.
  • These systems typically comprise a user fingerprint acquisition unit and a processing device capable of comparing each acquired fingerprint with a pre-stored reference fingerprint.
  • Object of the present invention is to propose a security system with fingerprint recognition which overcomes the limitations of the above-mentioned conventional systems.
  • the object of the present invention is achieved by a security system as defined in the attached claim 1.
  • Particular embodiments of the invention are defined in the attached claims 2-19.
  • a device for fingerprint recognition as described in the attached claim 20 also forms part of this invention.
  • Figure 1 shows a preferred embodiment of the security system 100 according to the invention which can be used as an anti-theft device, in particular, for vehicles, for example, cars or premises such as houses.
  • the security system 100 comprises a local apparatus 50 and a remote managing apparatus 3.
  • the local apparatus 50 is intended to be installed on board the vehicle, preferably inside the driver and passenger compartment or inside the house.
  • the remote managing apparatus 3 is located in an anti-theft security service management centre and can be placed in a single locality and ensure radio management, i.e. wireless management of a plurality of local apparatus 50 distributed throughout the territory of a single nation or various nations.
  • the local apparatus 50 comprises a fingerprint unit 2 for acquiring, reading and recognizing fingerprints, an interface processing device INT and a communication apparatus 7, L-MD.
  • the local apparatus 50 advantageously comprises a module 12 for localizing the position of the vehicle in the area.
  • the fingerprint unit 2 includes, for example, in a single housing, a fingerprint acquisition unit 1 connected by means of a bus 9 to a local processing device CPU connected, in turn, to a memory M by means of a bus 10.
  • the acquisition unit 1 is such as to acquire the fingerprint of the user's finger coupled to an input port 11 and transmit, on the bus 9, an electrical signal, for example of the digital type, corresponding to said fingerprint.
  • users of the system 100 use the acquisition unit both in the initial registration step, to store the fingerprint of the main user (for example, the owner of the vehicle), and every time it is necessary to recognize the user who wants to start the vehicle or enter the house.
  • the main user for example, the owner of the vehicle
  • the acquisition unit 1 can be produced with conventional technologies and, according to a particular embodiment of the invention, may comprise a video camera (for example, of the digital type) which acquires the image of the print of the finger placed on the support element 11 (for example, a transparent prism).
  • Said camera comprises a sensor for image acquisition (for example, a matrix of integrated photodiodes) and, if necessary, suitable processing modules for the acquired image.
  • suitable types of acquisition units may be used, such as capacitive or pressure-static sensors, based on the variation of the electrical conductivity.
  • the local processing device CPU and the memory M can be formed of a microcontroller of the conventional type provided on a single electronic board adequately connected to the acquisition unit 1.
  • the local processing device CPU in accordance with procedures which will be explained hereinafter, can manage part of the operations necessary to store in the memory M the reference digital data corresponding to the main user's fingerprint.
  • the processing device CPU is so as to carry out recognition of a current fingerprint placed on the input 11 of the acquisition unit 1, by means of a comparing (performed in execution of a suitable software) of the reference digital data with other digital data corresponding to the current fingerprint.
  • the fingerprint unit 2 is connected, by means of a bus 13, to the interface processing device INT coupled to the local communication apparatus 7, by means of a bus 14, as an example of the serial type.
  • the processing device INT comprises a suitable electronic board (for example, a microcontroller) such as to handle the exchange of information signals and control signals between the fingerprint unit 2 and the local communication apparatus 7.
  • a suitable electronic board for example, a microcontroller
  • the interface processing device INT is such as to generate, for example on the basis of recognition signals supplied by the fingerprint unit 2, alarm signals and/or signals which enable and disable particular vehicle functions (for example, engine start, seat position adjustment or mirror adjustment).
  • Said alarm and/or enabling signals are provided on output lines L of the interface device INT.
  • the local communication apparatus 7 is suitable for radio reception and transmission and, is preferably compliant with a conventional mobile telephone system.
  • the local communication apparatus 7 is a MODEM (provided with an aerial A) intended to communicate with the remote managing apparatus 3.
  • the local communication apparatus 7 is a GSM (Global System Mobile) type modem.
  • the position localization module 12 (provided with an aerial A') is, typically, a conventional apparatus which works within a GPS (Global Positioning System) satellite system.
  • the position localization module 12 is connected by means of a data transmission line, such as a bus 16, to the local communication apparatus 7 to send data concerning the position of the vehicle to the remote managing apparatus.
  • a further data bus B1 which allows the interchange of data between the interface device INT and the position localization module 12, can be provided.
  • the remote managing apparatus 3 comprises one or more central processors 8 which handle the data and the information received from the local apparatus 50 and which generate control signals to be sent to said local apparatus.
  • the central processor 8 can be a conventional personal computer PC provided with a central processing unit working with mass storage and removable discs (hard disc, Compact Disk readers, floppy discs) and is provided with suitable peripheral units such as a monitor MNT, a keyboard BD and a mouse MSE.
  • a remote communication apparatus 4, R-MD is associated with the central processor 8, in order to exchange data with the local communication apparatus 7 in a wireless mode.
  • the remote communication device 4 is also a GSM type MODEM.
  • the central processor 8 by means of the remote communication device 4, plays a primary role in the operation of registering the reference fingerprint of the main user.
  • special software is stored in the memory of the central processor 8 to perform said reading procedure.
  • the remote managing apparatus 3 is, advantageously, further provided with a telephone 5 (mobile or landline) which makes it possible for the security system 100 operator to communicate with the main user provided with a respective telephone 6, preferably portable or mobile.
  • a telephone 5 mobile or landline
  • the central processor 8 or other processors having greater capacity can collect data concerning the position of the vehicle and visualize this position on the monitor MNT.
  • the remote managing apparatus 3 is in communication with a specialized Police centre so that data regarding a detected anomalous event can be transmitted to the police.
  • both the interface processing device INT and the local processing device CPU are produced in such a way as not to have further access ports which would make it possible to connect them to an external computer with which to pilot storage of fingerprints of non-authorized people.
  • Figure 2 shows a flow diagram which represents the steps of a method according to the invention for the registration of the reference fingerprint.
  • the user is given, preferably by the same service centre which runs the entire system 100, a secret code (typically a password) which unequivocally identifies both the user and the particular local apparatus 50 purchased by him.
  • a secret code typically a password
  • the main user will install the local apparatus in his vehicle or at his home and will start (START step) the procedure to read his fingerprint.
  • COMM In a first step called COMM, the main user contacts, by means of his telephone 6, the telephone 5 of the remote managing apparatus 3 and refers the password to the operator of the system 100.
  • the operator proceeds with identification of the main user, initially entering the password into the central processor 8, for example, by means of the keyboard BD (INSERT-COD step).
  • the software of the central processor 8 makes a comparison (CFR-IDENT) between the password and all the passwords stored in a remote database R-DB (for example, located in the said central processor) and regarding all the users of the system 100.
  • CFR-IDENT a comparison between the password and all the passwords stored in a remote database R-DB (for example, located in the said central processor) and regarding all the users of the system 100.
  • the registration procedure can continue only if this identification step is successful.
  • the vehicle or house can be equipped with a local processor (a PC) which is connected to a data communication network (for example, the Internet) of which the central processor 8 forms part.
  • the local processor can send non-vocal signals to the central processor 8 carrying the user's identification code.
  • the password can be entered in a special box on the web page of the Internet site of the security system 100.
  • the central processor 8 In the case the comparison procedure CFR-IDENT leads to identification of an authorized user, the central processor 8 generates a first authorization signal S aut (AUT-SIG step) and sends it to the remote communication device 4. Said authorization signal is necessary to enable memorization of the digital data corresponding to the reference fingerprint in the memory M of the local apparatus 50.
  • the software installed in the central processor 8 is such as to generate the authorization signal S aut in such a way that it carries a further code exclusively associated to that specific local apparatus 50 purchased by the identified main user.
  • the authorization signal S aut is processed by the communication device 4 which, according to the embodiment, processes it in accordance with the GSM mobile communication system and sends it by means of the aerial A (IRRD irradiation step).
  • the transmitted authorization signal S aut is received (RECEIV step) by the local communication apparatus 7 which, after processing it according to GSM demodulation procedures, delivers it on one or more lines of the bus 14.
  • the interface processing device INT receives, in its turn, the demodulated authorization signal S aut and carries out the recognition of this code to evaluate the suitability of the authorization signal (COD-RECOGN step).
  • the interface device INT carries out the operation of comparing with a corresponding code (as well as any decoding and/or decrypting operations).
  • the registration procedure continues only if the interface processing device INT recognizes that the authorization signal S aut is the one unequivocally intended for that specific local apparatus 50.
  • the interface processing device INT generates an enabling signal S ab and sends it to the local processing device CPU associated to the fingerprint unit 2 by means of one or more lines of the bus 13.
  • the interface processing device INT begins the countdown of a registration time interval within which registration of the fingerprint can take place.
  • Start of the registration time interval is indicated, for example, by a signal which, from the interface processing device INT and through the bus 13 and the local processing device CPU, causes activation of a luminous source 17 (for example a LED, Light Emitting Diode) provided on the fingerprint unit 2.
  • a luminous source 17 for example a LED, Light Emitting Diode
  • the main user can place his fingertip on the transparent prism 11, or an other suitable sensor.
  • the enabling signal S ab allows the local processing device CPU to command the acquisition unit 1 in order to perform acquisition of the image of the fingerprint (ACQ step), its processing (ELAB step) for obtaining corresponding digital data (performed according suitable mathematical models known to the skilled person), and storage of said data in the memory M (STOR step).
  • the same luminous source 17 can, as it switches off, signal the end of the time interval available for registration.
  • the local processing device CPU After registration is complete, it is possible for the local processing device CPU to generate a confirmation signal which, through the interface device INT and the local communication apparatus 7, reaches the remote managing apparatus 3.
  • the confirmation signal received by the remote communication device 4 causes, by means of the software of the central processor 8, visualization of a corresponding message of completed registration on the monitor MNT.
  • the operator of the remote managing apparatus can inform the user, by means of the phones 5 and 6, that the registration procedure has been completed.
  • the user can register the print of another finger which will be used exclusively to signal an anomalous situation, for example, a situation where he is under duress.
  • the local processing device CPU compares the acquired current digital data with the reference digital data stored in the memory M.
  • the local processing device CPU sends a user recognition signal to the interface processing device INT which can, for example, by means of a special relay (not shown), command ignition of the vehicle engine or, by means of another conventional actuator, opening of the front door of the house.
  • a special relay not shown
  • command ignition of the vehicle engine or, by means of another conventional actuator, opening of the front door of the house.
  • the position of the vehicle is sent to the remote managing apparatus 3, obtained by means of the GPS module 12.
  • the fingerprint unit 2 will recognize this other fingerprint stored and will send, similarly to that described above, an alarm signal to the remote managing apparatus 3.
  • the system 100 it is possible to design the system 100 in such a way that the vehicle doors could be opened and the activation of the car motor could be allowed.
  • the system 100 of the present invention offers considerable advantages compared to conventional systems.
  • the teachings of this invention make it possible to adopt a fingerprint registration procedure which makes fraud particularly difficult if not totally impossible.
  • the registration operations are controlled by the same centre which controls the security system and not, as happens in the state of the art, by car dealers or security system installers who can register fingerprints of people not authorized by the main user.
  • the registration procedure made possible by the security system according to the invention can be considered user-friendly since the owner is not obliged to go in person to the system control centre to carry out said registration.

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  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
  • Collating Specific Patterns (AREA)
EP04103268A 2003-07-11 2004-07-09 Système de sécurité par reconnaissance d'empreintes digitales Withdrawn EP1496478A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT001431A ITMI20031431A1 (it) 2003-07-11 2003-07-11 Sistema di sicurezza con riconoscimento d'impronte digitali
ITMI20031431 2003-07-11

Publications (2)

Publication Number Publication Date
EP1496478A2 true EP1496478A2 (fr) 2005-01-12
EP1496478A3 EP1496478A3 (fr) 2005-10-19

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EP04103268A Withdrawn EP1496478A3 (fr) 2003-07-11 2004-07-09 Système de sécurité par reconnaissance d'empreintes digitales

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EP (1) EP1496478A3 (fr)
IT (1) ITMI20031431A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2568679A (en) * 2017-11-22 2019-05-29 Continental Automotive Gmbh A vehicular system and method for sending silent request for assistance when driving under duress
CN112863036A (zh) * 2021-01-13 2021-05-28 铜陵市金鑫人防工程防护设备有限公司 一种基于物联网的防护门管理系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1170704A1 (fr) * 2000-07-04 2002-01-09 acter AG Dispositif d'autorisation d'accès portable, récepteur GPS et antenne
WO2002012660A1 (fr) * 2000-08-03 2002-02-14 Koo Hong Sik Procede, dispositif et systeme de verrouillage de porte
US20020094111A1 (en) * 2000-05-19 2002-07-18 Puchek Daniel R. Access control method and apparatus
US20020097145A1 (en) * 1997-11-06 2002-07-25 David M. Tumey Integrated vehicle security system utilizing facial image verification
WO2003077208A1 (fr) * 2002-02-21 2003-09-18 Hawk International, Inc. Systeme securise d'acces a une empreinte

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020097145A1 (en) * 1997-11-06 2002-07-25 David M. Tumey Integrated vehicle security system utilizing facial image verification
US20020094111A1 (en) * 2000-05-19 2002-07-18 Puchek Daniel R. Access control method and apparatus
EP1170704A1 (fr) * 2000-07-04 2002-01-09 acter AG Dispositif d'autorisation d'accès portable, récepteur GPS et antenne
WO2002012660A1 (fr) * 2000-08-03 2002-02-14 Koo Hong Sik Procede, dispositif et systeme de verrouillage de porte
WO2003077208A1 (fr) * 2002-02-21 2003-09-18 Hawk International, Inc. Systeme securise d'acces a une empreinte

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2568679A (en) * 2017-11-22 2019-05-29 Continental Automotive Gmbh A vehicular system and method for sending silent request for assistance when driving under duress
US10654445B2 (en) 2017-11-22 2020-05-19 Continental Automotive Gmbh Vehicular system and method for sending silent request for assistance when driving under duress
CN112863036A (zh) * 2021-01-13 2021-05-28 铜陵市金鑫人防工程防护设备有限公司 一种基于物联网的防护门管理系统

Also Published As

Publication number Publication date
ITMI20031431A1 (it) 2005-01-12
EP1496478A3 (fr) 2005-10-19

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