EP2766883A1 - Fernsteuerungssystem und verfahren zur automatischen verriegelung-und/oder entriegelung mindestens einer beweglichen platte eines kraftfahrzeugs und/oder zum starten eines kraftfahrzeugmotors mithilfe des fernsteuerungssystems - Google Patents

Fernsteuerungssystem und verfahren zur automatischen verriegelung-und/oder entriegelung mindestens einer beweglichen platte eines kraftfahrzeugs und/oder zum starten eines kraftfahrzeugmotors mithilfe des fernsteuerungssystems

Info

Publication number
EP2766883A1
EP2766883A1 EP12772779.0A EP12772779A EP2766883A1 EP 2766883 A1 EP2766883 A1 EP 2766883A1 EP 12772779 A EP12772779 A EP 12772779A EP 2766883 A1 EP2766883 A1 EP 2766883A1
Authority
EP
European Patent Office
Prior art keywords
control system
remote control
signal
module
vehicle
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Withdrawn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
EP12772779.0A
Other languages
English (en)
French (fr)
Inventor
Vincent Portet
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.)
Johnson Controls Automotive Electronics SAS
Original Assignee
Johnson Controls Automotive Electronics SAS
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 Johnson Controls Automotive Electronics SAS filed Critical Johnson Controls Automotive Electronics SAS
Publication of EP2766883A1 publication Critical patent/EP2766883A1/de
Withdrawn legal-status Critical Current

Links

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
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
    • G01S13/84—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted for distance determination by phase measurement
    • 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
    • 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
    • G07C2009/00555—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 comprising means to detect or avoid relay attacks
    • 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
    • G07C2209/00—Indexing scheme relating to groups G07C9/00 - G07C9/38
    • G07C2209/60—Indexing scheme relating to groups G07C9/00174 - G07C9/00944
    • G07C2209/63—Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle

Definitions

  • the present invention relates to a remote control system, in particular for locking and / or for automatically unlocking at least one opening leaf of a motor vehicle and / or for starting an engine of a motor vehicle.
  • the present invention relates to a method for automatically locking and / or unlocking at least one opening leaf of a motor vehicle and / or for starting an engine of a motor vehicle using a remote control system. .
  • Systems and methods of access control which include a portable module, such as a personalized portable object, for opening and / or starting a motor vehicle, and which operate by wireless transmission of a coded identification signal.
  • electronic means are provided in the motor vehicle. These electronic means comprise in particular access management means connected to reception means and / or signal transmission means.
  • the access control method for the motor vehicle consists in transmitting one or more coded signals between a vehicle module in the motor vehicle and the portable module.
  • a verification of the coded signal is performed in access management means.
  • the portable module may in particular be an electronic key, a watch, a mobile phone, a smart card, a badge or other portable device.
  • this portable object is an electronic key for controlling access to a vehicle.
  • This portable object may in particular include an own source of energy for
  • a response signal is automatically transmitted to the vehicle based on an interrogation signal received from the vehicle module in the motor vehicle.
  • the portable module must be in a restricted area around the vehicle to receive this interrogation signal from the vehicle module in the motor vehicle.
  • the present invention is intended in particular to overcome the drawbacks of the prior art, especially those mentioned above, and also aims to provide a remote control system, in particular to lock and / or to unlock automatically at least an opening of a motor vehicle and / or for starting an engine of a motor vehicle which is both capable of reliably detecting attacks, in particular by intermediate relay, and which can be achieved with reduced costs.
  • this object is achieved by a remote control system, in particular for locking and / or for automatically unlocking at least one opening leaf of a motor vehicle and / or for starting an engine of a motor vehicle, the remote control system comprising a vehicle module intended to be installed inside the vehicle,
  • the remote control system further comprising a portable module intended to be worn by a user of the remote control system
  • the remote control system being able to determine the distance between the vehicle module, on the one hand, and the portable module, on the other hand,
  • the first radiofrequency signal being a signal obtained by phase modulation or frequency modulation
  • the second radio frequency signal being a signal obtained by employing a phase locked loop in the portable module, the phase locked loop taking the first radio frequency signal as a reference for generating the second radio frequency signal.
  • the portable module comprises a radio frequency identification transponder (RFID-transponder).
  • RFID-transponder radio frequency identification transponder
  • the present invention it is advantageously possible to determine the distance between the vehicle, that is to say between the vehicle module, and the portable module, that is to say for example the key of the car.
  • the determination of the distance is in particular carried out by monitoring a phase modulation or a frequency modulation of signals that are exchanged between the vehicle module and the portable module.
  • the first radiofrequency signal, emitted by an antenna associated with the vehicle module is an additional signal with respect to the interrogation signal which is also transmitted by the vehicle module. This is why, in the following, the interrogation signal is also called the third signal
  • the third radio frequency signal is provided for authentication of the portable module relative to the vehicle module.
  • the vehicle module emits the third radio frequency signal and the first radio frequency signal, and that by the second radio frequency signal, the portable module not only responds to the third radio frequency signal (that is to say the interrogation signal which is known in the state of the art), but also to the first radiofrequency signal which comprises a phase modulation and / or a frequency modulation (or which is obtained by a phase modulation and / or by frequency modulation).
  • the third radio frequency signal that is to say the interrogation signal which is known in the state of the art
  • the first radiofrequency signal which comprises a phase modulation and / or a frequency modulation (or which is obtained by a phase modulation and / or by frequency modulation).
  • remote control system is a hands-free access system.
  • a particularly preferred development of the invention lies in the fact that the vehicle module is configured to cyclically transmit the first radio frequency signal and / or the third radio frequency signal to detect the presence of the portable module.
  • the first radiofrequency signal and / or the second radiofrequency signal is a radiofrequency signal or are radiofrequency signals having a high frequency between 5 and 500 MHz, in particular between 6.765 MHz and 6.795 MHz or between 13.553 MHz and 13.567 MHz or between 26.957 MHz and 27.283 MHz or between 40.66 MHz and 40.70 MHz or between 433.05 MHz and 434.79 MHz or between 868 MHz and 870 MHz.
  • ISM frequencies also called ISM bands, abbreviation for "industrial scientific and medical” for industrial, scientific, medical, domestic or similar
  • authorized frequencies are usually shared with harmonized frequency bands for radio communication equipment.
  • the first radiofrequency signal is emitted using a frequency in the ISM band.
  • the vehicle module With the aid of the first radiofrequency signal, it is possible in particular according to the present invention to transmit additional functions between the vehicle module and the portable module.
  • a particularly preferred development of the invention lies in the fact that the first radiofrequency signal and the second radiofrequency signal are radio frequency signals having different frequencies, such that either the frequency of the first radiofrequency signal is the result of a multiplication of the frequency the second radio frequency signal by an integer or by a fraction, ie the frequency of the second radio frequency signal is the result of a multiplication of the frequency of the first radiofrequency signal by an integer or by a fraction.
  • radio frequency and comparison between the origin of the first radio frequency signal and the signal received as a second radio frequency signal or a frequency multiplication process between the reception of the second radio frequency signal and the comparison between the signal received as a second radio frequency signal and the origin of the first radiofrequency signal.
  • the third radio frequency signal is a low frequency signal having a frequency of between 20 and 500 kHz.
  • a third radio frequency signal a signal generally used as an interrogation signal, in particular a signal, for example of 125 kHz.
  • the present invention also relates to a method for automatically locking and / or unlocking at least one opening leaf of a motor vehicle and / or for starting an engine of a motor vehicle with the aid of a control system.
  • the remote control system comprising a vehicle module intended to be installed inside the vehicle
  • the remote control system further comprising a portable module intended to be worn by a user of the remote control system, the remote control system being able to determine the distance between the vehicle module, on the one hand, and the portable module, on the other hand,
  • the method comprising the following steps: during a first step of the method, the first radiofrequency signal is generated by means of a phase modulation or a frequency modulation of an initial signal,
  • the first radiofrequency signal is emitted by the vehicle module to the portable module
  • the second radio frequency signal is generated via a phase-locked loop in the portable module, the phase-locked loop taking the first radiofrequency signal as a reference to generate the second radio frequency signal,
  • the second radiofrequency signal is emitted by the portable module towards the vehicle module.
  • a particularly preferred development of the invention lies in the fact that during a fifth step of the method, the second radio frequency signal, after reception by the vehicle module, is compared with the first radiofrequency signal.
  • FIG. 1 is a schematic view of the communication between a vehicle and a key of the motor vehicle, the vehicle comprising the vehicle module and the key of the vehicle comprising the portable module
  • FIG. 2 is a schematic view of the communication between the module. vehicle and the portable module with respect to the first and second signal
  • FIG. 1 schematically shows a remote control system, in particular for locking and / or for automatically unlocking at least one opening leaf of a motor vehicle 12 and / or for starting an engine of a motor vehicle 12.
  • the control system at distance 1 comprises a vehicle module 2 which is in the motor vehicle 12 and, moreover, a portable module 3 which is in particular in a car key 13 or in a badge element 13 intended to be worn by a user of the motor vehicle .
  • the remote control system 1 is able to determine the distance or at least to determine if the distance exceeds a predetermined distance threshold) between the vehicle module 2, on the one hand, and the portable module 3, on the other hand, via, on the one hand, a first radiofrequency signal 6 emitted by an antenna associated with the vehicle module 2, and, on the other hand, a second radiofrequency signal 4 emitted by an antenna associated with the portable module 3.
  • the vehicle module 2 and the portable module 3 comprise control management means for generating radio frequency signals, as well as for receiving radio frequency signals as well as for analyzing radiofrequency signals.
  • a hands-free remote control system 1 (keyless entry system, keyless entry system, keyless go) generally operates as follows: The presence of the portable module is detected in a predefined perimeter around the motor vehicle 12. The detection of the portable module will wake up, in a management module in the motor vehicle 12, in particular the vehicle module 2, an access computer which proceeds by radio communication to the authentication of the portable module 3 to verify that the portable module 3 is associated with the motor vehicle 12. In case of negative authentication, the search for the presence of a portable module 3 within the determined perimeter is continued. In case of positive authentication, the remote opening system is placed in a state ready to be unlocked, especially for all the openings.
  • the vehicle module 2 waits for reception of the correct response signal to open the opening of the motor vehicle 12.
  • the interrogation signal as well as the response signal are coded signals, and the vehicle module 2 can determine (on positive authentication) that the two codes whose signals correspond to each other.
  • the first radiofrequency signal which is a signal additional to the interrogation signal known in the state of the art, it is advantageously possible to determine the distance (or at least discern whether the distance exceeds a certain threshold) between the vehicle module and the portable module to prevent intermediate relay attacks.
  • the vehicle module 2 transmits the first radiofrequency signal 6 which is received by the portable module 3. Furthermore, the portable module 3 transmits the second radio frequency signal 4 which is received by the vehicle module 2.
  • the second radio frequency signal 4 may correspond to the response signal that the portable module transmits in response to the interrogation signal (third radio frequency signal) or it may correspond to an additional radio frequency signal (that is to say the third radio frequency signal of interrogation corresponds to a radio frequency response signal which is different from the second radio frequency signal, and the first and second radio frequency signals are additional signals).
  • FIG. 2 shows the exchange between the first radiofrequency signal 6 and the second radiofrequency signal between the vehicle module 2 and the portable module 3. It is preferred according to the present invention that the first radio frequency signal 6 is a signal in the ISM band while the second radio frequency signal is a signal in the UHF (ultra high frequency) band.
  • the first radio frequency signal 6 is a signal in the ISM band while the second radio frequency signal is a signal in the UHF (ultra high frequency) band.
  • a radio frequency signal obtained by a phase modulation and / or a frequency modulation is generated using an oscillator 9 in the vehicle module 2 and transmitted via of an antenna 5 of the vehicle module 2 to the portable module 3.
  • the signal received by the portable module 3 as first radiofrequency signal 6 is modified to obtain the second radiofrequency signal 4.
  • a frequency multiplication is performed in the portable module 3 to obtain a different frequency for the second radiofrequency signal 4 with respect to the first radiofrequency signal 6.
  • a frequency division p It can be carried out or provided in the portable module 3.
  • the radiofrequency signal is re-transmitted by the portable module 3 as the second radiofrequency signal 4 to the vehicle module 2.
  • the second radiofrequency signal 4 is received and processed in a reverse manner to the processing in the portable module 3.
  • a division unit 8 realizes a division of frequencies when, in the portable module 3, a multiplication of frequencies has been achieved.
  • the signal resulting from the processing of the second radiofrequency signal 4 received by a vehicle module 2, as well as the original signal of the first radiofrequency signal 6 at the output of the oscillator (or generator) 9 in the vehicle module 3 are mixed in a mixing circuit 10.
  • a low low filter which passes low frequencies, the result of which is supplied to a microprocessor January 1 which can determine the phase shift and / or the difference of the phase modulation between the first signal 6 transmitted from the vehicle module 2 to the portable module 3, on the one hand, and the second radiofrequency signal 4 between the portable module 3 and the vehicle module 2, on the other hand.

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Lock And Its Accessories (AREA)
EP12772779.0A 2011-10-11 2012-10-11 Fernsteuerungssystem und verfahren zur automatischen verriegelung-und/oder entriegelung mindestens einer beweglichen platte eines kraftfahrzeugs und/oder zum starten eines kraftfahrzeugmotors mithilfe des fernsteuerungssystems Withdrawn EP2766883A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011115689 2011-10-11
FR1104046A FR2981026A1 (fr) 2011-10-11 2011-12-23 Systeme de controle a distance, et procede pour verrouiller et/ou pour deverrouiller automatiquement au moins un ouvrant d'un vehicule automobile et/ou pour demarrer un moteur d'un vehicule automobile a l'aide d'un systeme de controle a distance
PCT/EP2012/070216 WO2013053860A1 (fr) 2011-10-11 2012-10-11 Systeme de controle a distance et procede pour verrouiller et/ou pour deverrouiller automatiquement au moins un ouvrant d'un vehicule automobile et/ou pour demarrer un moteur d'un vehicule automobile a l'aide d'un systeme de controle a distance

Publications (1)

Publication Number Publication Date
EP2766883A1 true EP2766883A1 (de) 2014-08-20

Family

ID=47953789

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12772779.0A Withdrawn EP2766883A1 (de) 2011-10-11 2012-10-11 Fernsteuerungssystem und verfahren zur automatischen verriegelung-und/oder entriegelung mindestens einer beweglichen platte eines kraftfahrzeugs und/oder zum starten eines kraftfahrzeugmotors mithilfe des fernsteuerungssystems

Country Status (5)

Country Link
US (1) US20140327517A1 (de)
EP (1) EP2766883A1 (de)
JP (1) JP2014534363A (de)
FR (1) FR2981026A1 (de)
WO (1) WO2013053860A1 (de)

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Also Published As

Publication number Publication date
WO2013053860A1 (fr) 2013-04-18
JP2014534363A (ja) 2014-12-18
FR2981026A1 (fr) 2013-04-12
US20140327517A1 (en) 2014-11-06

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