EP1906363A1 - Système de contrôle d'accès - Google Patents

Système de contrôle d'accès Download PDF

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Publication number
EP1906363A1
EP1906363A1 EP06020634A EP06020634A EP1906363A1 EP 1906363 A1 EP1906363 A1 EP 1906363A1 EP 06020634 A EP06020634 A EP 06020634A EP 06020634 A EP06020634 A EP 06020634A EP 1906363 A1 EP1906363 A1 EP 1906363A1
Authority
EP
European Patent Office
Prior art keywords
control system
identification device
access control
identification
carrier
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.)
Ceased
Application number
EP06020634A
Other languages
German (de)
English (en)
Inventor
Jochen Suck
Karl-Friedrich Lambrecht
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
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 Delphi Technologies Inc filed Critical Delphi Technologies Inc
Priority to EP06020634A priority Critical patent/EP1906363A1/fr
Priority to JP2007257138A priority patent/JP2008160801A/ja
Publication of EP1906363A1 publication Critical patent/EP1906363A1/fr
Ceased 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
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks

Definitions

  • the invention relates to an access control system, in particular for vehicles, having an access-side electronic control device, a user-side identification device and means for a wireless bidirectional communication between the access-side control device and the user-side identification device, wherein in a first mode for waking the identification device at least one generated by the control device wake-up signal sent to the identification device and information is exchanged between the control device and the identification device in a second mode of alert identification device.
  • Such an access control system is used, for example, when it comes to checking whether a respective person is authorized as the owner of a respective identification device to pass through the relevant access control device. This may be the case both for stationary access control devices, to which only a selected group of persons has access, and for mobile access control devices, in particular in vehicles, such as e.g. Motor vehicles, ships or bicycles. With the access control devices in question should be counteracted in particular a theft of the vehicle in question.
  • the respective access control system can be provided in particular as a so-called keyless entry system and / or keyless entry system for vehicles.
  • it comprises an electronic control unit assigned to the vehicle, which as a rule is permanent is powered, and the mobile identification means to identify a respective authorized user.
  • a respective identification device itself may be part of a vehicle key which is in a bidirectional data exchange with the control device in the region of the closing and / or starting system of the vehicle.
  • the respective identification devices can also be integrated, in particular, into chip cards or the like and designed, for example, as a transponder. Transponders have no own power supply, they are rather supplied with energy as the identification device approaches the control device and subsequently automatically addressed for transmission of the authentication response signals.
  • Typical of keyless vehicle access control systems is the use of two-way radio communication between the vehicle and the identification device.
  • an LF communication e.g., 20 kHz, 125 kHz, 13.56 MHz
  • UHF system e.g 315 MHz, 433 MHz, 868 MHz, 2.45 GHz
  • ferrite core antennas are used in door handles or inside a door in the conventional systems. Each antenna must be matched to the electronic central unit and with these are connected, which is extremely complicated and expensive, since a fully protected keyless system would require up to 10 ferrite antennas.
  • the invention has for its object to provide an improved access control system of the type mentioned, in which the aforementioned problems are eliminated.
  • the structure should be simplified and accordingly the costs should be reduced.
  • the wake-up signal generated by the controller is sent via at least one UHF frequency to the identification device.
  • a NF carrier modulated with the wake-up signal is mixed with the UHF frequency and the mixed signal obtained is sent to the identification device.
  • the filter means and demodulation means are preferably passive, i. non-battery powered components.
  • the demodulation means may comprise, for example, at least one NF-resonant electrical circuit.
  • an electrical LF resonant circuit may include, for example, an inductance and a capacitor parallel thereto.
  • the information exchange between the control device and the identification device takes place at least partially via at least one UHF frequency.
  • the entire exchange of information between the control device and the identification device can take place via at least one UHF frequency.
  • the information exchange between the control device and the identification device can take place at least partially via at least one LF frequency.
  • the identification device can also comprise both high frequency and low frequency antenna receiving means.
  • the entire exchange of information between the control device and the identification device takes place via at least one LF frequency.
  • the previously required LF antennas on the vehicle can therefore be omitted if only one UHF connection is used.
  • the demodulated signal of the UHF connection causes the user-side identification device to wake up.
  • the data exchange can take place in the UHF range, whereby a higher data rate can be achieved.
  • the data exchange can also take place in the same way as the waking up of the identification device.
  • An example of an ASK, PSK or FSK-modulated LF carrier is to be mixed with a UHF frequency in order to send a connection setup signal from the vehicle or an electronic control device or base station associated therewith to the identification device.
  • the RF information radio frequency
  • the RF information can be filtered and demodulated on the side of the identification device such that only the LF carrier information is present at the LF section of the circuit of the identification device.
  • the identification device may be provided with a low-frequency resonant circuit, for example, of an inductance and a capacitor parallel thereto, which is arranged at the input of a LF receiver part of the identification device, so that, for example, a logic of the identification device comprising at least one integrated circuit from that coming from the control device modulated NF-carrier a wake-up signal generate and ensure that the identification device is put into the awake state.
  • a logic of the identification device comprising at least one integrated circuit from that coming from the control device modulated NF-carrier a wake-up signal generate and ensure that the identification device is put into the awake state.
  • the data exchange between the example associated with a vehicle control device and the user-side identification device for example, via at least one UHF frequency to shorten the communication time by increasing the data rate.
  • the relevant data exchange can also take place in the LF range, as is known per se.
  • the wake-up channel of the LF receiver of the identification device is independent of the orientation or position of the identification device, due to the far-field situation in this mode.
  • This technique differs fundamentally from that of a pure AF-wake-up system in which a three-dimensional wake-up receiving circuit is required due to the near-field behavior at low frequency or correspondingly large wavelength.
  • FIG. 1 shows, in a simplified schematic illustration, an exemplary embodiment of an access control system 10 in a first operating mode for waking up an identification device 12, while FIG. 2 shows this access control system 10 in a second operating mode in which information is exchanged when the identification device awakens ,
  • the access control system 10 provided in particular for vehicles comprises an access-side electronic control device 14, the user-side identification device 12 and antennas 16, 18 for wireless bidirectional communication between the access-side control device 14 and the user-side identification device 12.
  • At least one wake-up signal generated by the control device 14 is sent via an antenna 16 assigned to the control device 14 or the vehicle to the identification device 12, which transmits this wake-up signal via an antenna assigned to it 18 receives.
  • the second operating mode shown in FIG. 2 in the case of a woken identification device 12, information is exchanged between the control device 14 and the identification device 12.
  • the wake-up signal generated by the control device 14 is sent to the identification device 12 via at least one UHF frequency F2.
  • a modulated with the wake-up signal NF carrier F 1 is mixed by means of a mixer 20 with the UHF frequency F2 and the obtained mixed signal F12 is sent to the identification device 12.
  • an NF carrier F1 for example, an ASK-modulated carrier, a PSK-modulated carrier or an FSK-modulated carrier can be provided.
  • the identification device 12 comprises filter means 22 and demodulation means 24 for filtering and demodulating the received mixed signal F12.
  • it comprises a LF wake-up receiving part 26 to which the LF carrier information obtained by the filtering and demodulation of the mixed signal F12 is supplied.
  • the demodulation means 24 comprise a low-frequency electrical resonance circuit 28, which in the present case contains an inductance L1 and a capacitor C1 parallel thereto.
  • a passive demodulation device such as e.g. a demodulation diode, preferably a Schottky diode 30 may be provided.
  • the information exchange between the control device 14 and the identification device 12 can take place, for example, via at least one UHF frequency F2.
  • a bidirectional data exchange is possible.
  • the identification device 12 may include filter means 22, a UHF receiver 32, a microcontroller 34, and a UHF transmitter 36.
  • the access or vehicle-side control device 14 are associated with transmitting and receiving antennas 16, but in principle, however, an integrated transmission / reception antenna is conceivable. Also, the identification device 12 are associated with receive and transmit antennas 18, which in principle again an integrated transmit / receive antenna can be provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
EP06020634A 2006-09-29 2006-09-29 Système de contrôle d'accès Ceased EP1906363A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP06020634A EP1906363A1 (fr) 2006-09-29 2006-09-29 Système de contrôle d'accès
JP2007257138A JP2008160801A (ja) 2006-09-29 2007-10-01 アクセス制御システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06020634A EP1906363A1 (fr) 2006-09-29 2006-09-29 Système de contrôle d'accès

Publications (1)

Publication Number Publication Date
EP1906363A1 true EP1906363A1 (fr) 2008-04-02

Family

ID=37569649

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06020634A Ceased EP1906363A1 (fr) 2006-09-29 2006-09-29 Système de contrôle d'accès

Country Status (2)

Country Link
EP (1) EP1906363A1 (fr)
JP (1) JP2008160801A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101826224B (zh) * 2009-03-06 2012-05-30 厦门爱登特科技有限公司 基于人脸识别的内置型识别门系统及其实现方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996028628A1 (fr) * 1995-03-14 1996-09-19 Trw Inc. Systeme d'acces a un vehicule et de demarrage du moteur, sans cle
DE19839695C1 (de) * 1998-09-01 2000-05-04 Kostal Leopold Gmbh & Co Kg Verfahren zum Durchführen einer schlüssellosen Zugangsberechtigungskontrolle sowie schlüssellose Zugangsberechtigungskontrolleinrichtung
DE10040480A1 (de) * 2000-08-18 2002-02-28 Marquardt Gmbh Schließsystem, insbesondere für ein Kraftfahrzeug
DE202005014136U1 (de) * 2005-09-07 2006-01-12 Interflex Datensysteme Gmbh & Co. Kg Mobilteil und/oder Stationärteil eines Informationsübertragungssystems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59906447D1 (de) * 1998-09-01 2003-09-04 Kostal Leopold Gmbh & Co Kg Verfahren zum durchführen einer schlüssellosen zugangsberechtigungskontrolle sowie schlüssellose zugangsberechtigungskontrolleinrichtung
DE10005503C2 (de) * 2000-02-08 2003-01-30 Atmel Germany Gmbh Verfahren zur Erhöhung der Manipulationssicherheit bei einer bidirektionalen, kontaktlosen Datenübertragung
JP2001336321A (ja) * 2000-05-31 2001-12-07 Omron Corp 制御装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996028628A1 (fr) * 1995-03-14 1996-09-19 Trw Inc. Systeme d'acces a un vehicule et de demarrage du moteur, sans cle
DE19839695C1 (de) * 1998-09-01 2000-05-04 Kostal Leopold Gmbh & Co Kg Verfahren zum Durchführen einer schlüssellosen Zugangsberechtigungskontrolle sowie schlüssellose Zugangsberechtigungskontrolleinrichtung
DE10040480A1 (de) * 2000-08-18 2002-02-28 Marquardt Gmbh Schließsystem, insbesondere für ein Kraftfahrzeug
DE202005014136U1 (de) * 2005-09-07 2006-01-12 Interflex Datensysteme Gmbh & Co. Kg Mobilteil und/oder Stationärteil eines Informationsübertragungssystems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101826224B (zh) * 2009-03-06 2012-05-30 厦门爱登特科技有限公司 基于人脸识别的内置型识别门系统及其实现方法

Also Published As

Publication number Publication date
JP2008160801A (ja) 2008-07-10

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