WO2009040316A1 - Système d'accès sans clé à fonction de secours - Google Patents

Système d'accès sans clé à fonction de secours Download PDF

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Publication number
WO2009040316A1
WO2009040316A1 PCT/EP2008/062564 EP2008062564W WO2009040316A1 WO 2009040316 A1 WO2009040316 A1 WO 2009040316A1 EP 2008062564 W EP2008062564 W EP 2008062564W WO 2009040316 A1 WO2009040316 A1 WO 2009040316A1
Authority
WO
WIPO (PCT)
Prior art keywords
frequency signals
quasi
low
stationary
mobile unit
Prior art date
Application number
PCT/EP2008/062564
Other languages
German (de)
English (en)
Inventor
Stefan Hermann
Michael Bräuer
Franz Plattner
Original Assignee
Continental Automotive 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 Continental Automotive Gmbh filed Critical Continental Automotive Gmbh
Publication of WO2009040316A1 publication Critical patent/WO2009040316A1/fr

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
    • G07C9/00174—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
    • B60R25/04—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/20—Means to switch the anti-theft system on or off
    • B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/40—Features of the power supply for the anti-theft system, e.g. anti-theft batteries, back-up power supply or means to save battery power
    • B60R25/406—Power supply in the remote key
    • 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
    • G07C2009/00579—Power supply for the keyless data carrier
    • G07C2009/00587—Power supply for the keyless data carrier by battery
    • 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
    • G07C2009/00579—Power supply for the keyless data carrier
    • G07C2009/00603—Power supply for the keyless data carrier by power transmission from lock
    • 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
    • G07C2209/61—Signal comprising different frequencies, e.g. frequency hopping

Definitions

  • the invention relates to a keyless entry system with emergency function.
  • RKE systems remote keyless entry systems
  • RKE systems are now the standard solution not only for the comfortable locking and unlocking of a vehicle, but also for additional comfort functions.
  • the control of these comfort functions by means of a usually integrated in a Fahrze ⁇ g Congressl radio control, which are used in addition to the locking and unlocking of the doors and the trunk also for activating and deactivating the immobilizer.
  • RKE systems work with uni- or bidirectional communication in the area of ISM frequencies released worldwide for this purpose. Further features include, for example, increased data transmission security through a challenge-response authentication. coding process (bidirectional) and low energy consumption. In addition, further applications provide for personalization of the functions of a RKE system to selected persons.
  • PASE PAsive Start and Entry
  • ID identification transmitter
  • PASE PAsive Start and Entry
  • the driver only has to carry an identification transmitter (ID) with him and gets access to the vehicle by simply touching the door handle.
  • ID identification transmitter
  • the motor can be started by pressing a button.
  • the PASE system locks the vehicle either automatically or at the push of a button.
  • the driver's identification card replaces conventional mechanical or radio controlled keys to provide maximum comfort and ease of use for the driver. Again, there is the possibility of personalization on selected people.
  • a multi-channel bidirectional data transmission is used, which also takes place wirelessly and encrypted, for example in the range of the above-mentioned ISM frequencies.
  • All functions which enable such wireless data transmission via a keyless entry system require a source of energy which provides the energy necessary for the operation of the mobile transceiver unit (for example an identification transmitter).
  • This energy source is usually a battery.
  • the above functions of the mobile transceiver are no longer available stand if the battery can no longer provide the energy necessary for the proper operation of the mobile transceiver unit, for example due to discharge or defect in the battery. Since a user usually does not constantly carry a replacement battery with him, in such a case, even access to the motor vehicle itself (see keyless identification transmitter and PASE) and its operation, such as the engine start (see deactivation of the immobilizer), not more is possible.
  • a so-called emergency function has been integrated into such mobile, in-room access systems, which enables access to the motor vehicle and the starting of the motor vehicle, ie in particular the deactivation of the immobilizer.
  • the transmission of energy through a field of low frequency is known by so-called transponders.
  • a magnetic field with low frequency is limited in its range and therefore allows a safe restriction of the distance from which the corresponding functions can be performed.
  • the immobilizer suspension may only be carried out if the mobile transmitting and receiving unit of the keyless entry system is within a maximum distance of 10 cm from a predefined point in the vehicle.
  • the transmission of the energy required for operating the mobile transmitting and receiving unit to the latter is usually carried out by the low-frequency magnetic field.
  • the disadvantage here is that the communication also taking place via the low-frequency magnetic field between the mobile transmitting and receiving unit and a stationary transmitting and receiving unit in the motor vehicle generates a high level of energy. needs, which in turn has a negative impact. This leads to the fact that stronger magnetic fields are required for the power supply in order to continuously provide sufficient energy of the mobile transmitting and receiving unit.
  • the possible removal of mobile transmitting and receiving unit to the vehicle or the defined point from which the low-frequency power supply from the vehicle takes place limited. If the magnetic field drops below a value due to the distance, which no longer ensures the power supply of the mobile transmitting and receiving unit, no emergency function of the mobile transmitting and receiving unit can then be maintained. This may, for example, lead to a keyless PASE function that no access to the vehicle is possible because the said point could be due to the required proximity to the start button within the vehicle.
  • Object of the present invention is therefore to provide a mobile transmitting and receiving unit, the reliable power supply and a low-frequency magnetic field with a lower level can be used.
  • the task is solved by a mobile transmitting and receiving unit for a keyless entry system for a
  • FIG. 1 shows a block diagram of a first exemplary embodiment of an inventive access system with a quasi-stationary unit with transmitting and receiving stage for high-frequency signals and a separate quasi-stationary unit with transmission stage for low-frequency signals;
  • FIG. 2 is a block diagram of a second exemplary embodiment of an access system according to the invention with a quasi-stationary unit which has both a transmitting and receiving stage for high-frequency signals and a transmitting stage for low-frequency signals;
  • FIG. 3 shows in a diagram the course of a low-frequency energy transmission and the high-frequency communication between the quasi-stationary and the mobile units
  • FIG. 4 is a diagram showing the sequence of the time-limited low-frequency energy transmission and the high-frequency communication between the quasi-stationary and the mobile units.
  • FIG. 1 shows in a block diagram an exemplary embodiment of an inventive access system, in which a quasi-stationary unit 1, a transmission stage 2 for generating high-frequency signals 16a (for example, large 200 kHz), a receiving stage 3 for evaluating high-frequency signals 16b and an antenna 12 for radiating and receiving the high-frequency signals 16a, 16b.
  • the access system further comprises an activatable and deactivatable quasi- stationary unit 4 with a transmission stage 5 for generating never ⁇ derfrequenter signals 17 (for example, less than 200 kHz) and an antenna 13 for emitting these signals.
  • the access system according to FIG. 1 comprises a mobile unit 6 with a transmitting stage 7 for generating the high-frequency signals 16b and a receiving stage 8 for evaluating the high-frequency signals 16a and an antenna 14 for emitting and receiving the high-frequency signals 16b, 16a.
  • the unit 6 according to Figure 1 on a Energyquel ⁇ le 10, an energy storage 11, a receiver stage 11 for evaluating the low-frequency signals 17 and an antenna 15 for receiving the low frequency signals 17th
  • the quasi-stationary units 1 and 4 are for example mounted in or on a vehicle and the mobile unit 6 is carried along by a user of the vehicle.
  • the transmitting and receiving antenna 12 of the quasi-stationary unit 1 is connected both to the transmitting stage 2 and to the receiving stage 3, and the transmitting antenna 13 is connected to the transmitting stage 5.
  • the transmitting stage 7 and the receiving stage 8 are coupled to the transmitting and receiving antenna 14, and the receiving stage 9 is coupled to the receiving antenna 15.
  • an energy source 10 is connected to the transmission stage 7 and the reception stage 8.
  • the energy storage device 11 of the mobile unit 6 is connected to the transmitter stage 7, with the reception ⁇ stage 8 and to the receiving stage. 9
  • the receiving stage 8 and the transmitting stage 7 are energized by the power source 10 for their operation, as shown in FIG the arrows leading from the power source 10 to the transmitting and receiving stages 7 and 8 are shown.
  • a power source 10 of a mobile unit 6 a battery, for.
  • a non-rechargeable dry cell provided. about the high-frequency transmit and receive signals 16a, 16b (collectively also referred to as "16") are exchanged high-frequency information between the units 1, 6 when the mobile unit 6 is in sufficient proximity to the quasi-stationary unit 1, to a sufficient Field strength of the high-frequency signals 16 to ensure.
  • the energy source 10 for example a battery
  • the reception stage 8 and the transmission stage 7 are energized by the energy store 11 for their operation supplied, as indicated in Figure 1 by the energy storage 11 to the transmitting and receiving stages 7 and 8 leading arrows. If the low-frequency signals 17 are not transmitted continuously, this presupposes that such an emergency situation is detected by the keyless entry system and the energy store 11 is correspondingly charged with energy in order to enable the operation of the mobile unit 6 in such an emergency case ,
  • the triggering of the detection of an emergency case is carried out, for example, by a specific event and subsequent non-occurrence of a high-frequency communication between the quasi-stationary unit 1 and the mobile unit 6. This fostzeitandommen one due to the If the high-frequency communication between the units 1 and 6 triggered by the event is detected by the quasi-stationary unit 1 in the absence of corresponding high-frequency response signals of the mobile unit 6 upon request.
  • the low-frequency signal 17 is received by the reception antenna 15 and evaluated by the reception stage 9, ie in any case the energy transmitted is processed and any information still contained is removed and forwarded to other units (not shown).
  • the low-frequency signal 17 serves exclusively or at least primarily for the transmission of energy to the mobile unit 6 and supplies the mobile unit 6 with energy for its operation with sufficient field strength at the receiving location.
  • the receiving stage 9 prepares the energy transmitted via the low-frequency signal 17 so that the energy store 11 can be charged with it. This is indicated in FIG. 1 by the arrow directed from the receiving stage 9 to the energy store 11.
  • the energy storage device 11 is, for example, a capacitor, in particular a so-called gold cap of sufficient capacity.
  • the energy accumulator 11 is ⁇ load with sufficient energy, it can now be used in emergency operation as a substitute for the power source 10 to operate the receiver stage 8 and the transmitter stage 7, whereby the desired high-frequency communication (signals 16) between the quasi-stationary unit 1 and the mobile unit 6 can be made available even in an emergency case.
  • This is indicated in FIG. 1 by corresponding connections with arrows which lead from the energy store 11 to the transmitting stage 7 and to the receiving stage 8.
  • the quasi-stationary unit 1 can also be designed to control an immobilizer of the vehicle.
  • an immobilizer of the vehicle In such a case must, for safety, in order to start the engine from a distance to Vietnamese ⁇ , only a signal for deactivation of the immobilizer can be generated when the mobile unit is less than a maxi- mum distance from a certain point away on the vehicle.
  • a certain point is typically located in the interior of a motor vehicle, for example at a distance from a receptacle for the mobile unit 6, in which it must be used in order to enable the engine to start the vehicle.
  • the maximum distance to this particular point in the vehicle is for example 10 cm.
  • the particular point in or on the vehicle may be given by the antenna 12, for example.
  • the distance between the antenna 12 and the mobile unit 6 is determined via a field strength measurement.
  • the field strength generated at the transmitting and receiving antenna 14 by means of the reception is ⁇ stage 8 in the mobile unit 6, and evaluated the value of the measured field strength is sent to the quasi-stationary unit. 1 In this way, the respective actual distance between the specific point in or on the vehicle and the mobile unit 6 can be reliably determined. Based on this information, the decision is then made as to whether the immobilizer can be deactivated.
  • the field strength of the low-frequency signal 17 can be evaluated that is transmitted to the mobile unit 6 for energy transmission by the transmission stage 5 of the quasi-stationary unit 4.
  • the transmitting antenna 13 defines the particular point in or on the vehicle, which is referred to for determining the distance of the mobile unit 6 by means of a field strength measurement, which in turn serves as a criterion for deactivating the immobilizer.
  • the field strength generated by the quasi-steady unit 4 is at the location of the mobile unit 6, and more precisely at the location of the receiving antenna 15 evaluated and the value of the measured field strength is determined using high-frequency communication (signals 16) sent to the quasistatio ⁇ nare unit. 1
  • the quasi-stationary unit 1 of the in-lock access system can (also) be designed to control a keyless access control to a vehicle.
  • an emergency case is determined when the operation of a door handle of a vehicle no high-frequency communication between the quasi-stationary unit 1 and the mobile unit 6 comes about, which initially would not be possible to access the vehicle.
  • This access to the vehicle is then again allows when in case of emergency, as described above, the charge ⁇ the energy storage 11 is done and thus the high-frequency communication is possible.
  • the transmission stage 5 of the quasi-stationary unit 4 must emit the low-frequency signal via the transmitting antenna 13 mounted in or on the vehicle with such high energy that charging of the energy accumulator 11 also occurs in the immediate vicinity of the vehicle (outside the vehicle interior). space).
  • the high-frequency communication between the mobile unit 6 and the quasi-stationary unit 1 requires significantly less energy than the hitherto customary bidirectional low-frequency communication in the emergency case.
  • the radiated energy or the field strength of the low-frequency signal 17 of the quasi-stationary unit 4 can accordingly be made smaller, which in turn has a favorable effect on costs and structural dimensions.
  • the quasi-stationary units 1 and 4 can consist of two physically separate units, so that the installation location of the quasi-stationary unit 4 can be determined separately from the quasi-stationary unit 1, depending on the application and vehicle body requirements.
  • the antenna 12 may be located for example near the centra ⁇ len-board electronics of the vehicle or in the region of the dashboard. In such a case, the antenna 13 could, for example, be mounted in such a way that the mobile unit 6 can already be supplied with energy outside the vehicle at low field strength in an emergency case, for example to ensure the Turo réellesfunktion.
  • a location for the antenna 13 for example, a location on the outer body of the vehicle from where the low-frequency transmission of energy to the mobile unit 6 is less attenuated than would be the case with a transmitting antenna arranged in the vehicle interior.
  • Mobile units known Schluselloser access systems can be converted with little effort to a mobile unit 6 for an inventive access system.
  • a mobile unit of a known keyless entry system usually already includes the components for high-frequency communication and the receiving stage for low-frequency signals in an emergency case.
  • the associated transmission stage for the low-frequency transmission of energy to the mobile unit 6 can be used.
  • the corresponding components namely the transmitting stage and the antenna of the PASE unit already present and interposed in the vehicle, are used for low-frequency energy transmission.
  • FIG. 2 shows in a block diagram a further exemplary embodiment, which is shown in FIG. 1 in that the transmission stage 5 for low-frequency signals 17 and the associated transmitting antenna 13 are in the quasi-stationary manner
  • Transmission unit 1 mitintegriert and not as shown in Figure 1 is housed in a separate quasi-stationary transmitting unit 4. This may result in further cost savings and reduction of the wiring and integration costs of the keyless entry system.
  • FIG. 3 shows a time diagram of the sequence of continuous low-frequency energy transmission and high-frequency communication between the quasi-stationary and mobile units in the exemplary embodiments according to FIGS. 1 and 2, which has been triggered by a specific event Startup of the engine or Betati ⁇ conditions of a door handle, in which initially no high-frequency communication between the mobile unit 6 and the quasi-stationary unit 1 takes place, so an emergency case is detected by the quasi-stationary unit 1.
  • the abscissa of the diagram according to FIG. 3 designates the time t, the ordinate schematically the activities in connection with a specific event 21, a determination of the emergency case 24, a low-frequency energy transmission 22 to the mobile unit 6 and a high-frequency, bidirectional communication 23 between the mobile Unit 6 and the quasi-stationary unit 1 in an access system according to Figures 1 and 2.
  • the low-frequency power transmission 22 to the mobile unit 6 is activated after the event 21 has occurred and a determination of the emergency case 24 has been made.
  • the energy storage 11 of the mobile unit 6 is sufficiently charged by the low-frequency energy transfer 22 to execute the desired high-frequency communication 23.
  • the amount of time that is needed to adequately convincedla- an energy store in a mobile unit for the operation of the mobile unit to depends among other things on the capacity of Energyspei ⁇ Chers, the field strength of the low frequency signal at the location of the antenna 15 and the efficiency of the antenna 15 and the receiving stage 9 from.
  • the duration of such a high-frequency bidirectional communication 23 between the mobile unit 6 and the quasi-stationary unit 1 shown schematically in FIG. 3 is for example between 10 ms and 200 ms (eg at 50 ms).
  • the short communication time represents a significant advantage over a known bidirectional low-frequency communication in the emergency case, since the same information content due to the higher transmission frequency and the associated higher data rate can be transmitted in a much shorter period.
  • the energy storage 11 of the mobile unit 6 must therefore provide significantly less energy for the operation of the mobile unit than would be the case with a corresponding low-frequency communication. It can therefore have a lower capacity and accordingly be charged faster and with less energy required.
  • all high-frequency information signals of units 1 and 6 are exchanged and are not limited to a never ⁇ derfrequente emergency communication. The original functional scope of the mobile unit thus remains completely preserved even in an emergency situation.
  • the transmission stage 5 of the quasi-stationary unit for low-frequency signals 17 can be inexpensively designed as a pure transmission stage for energy transmission to the mobile unit 6, since no bidirectional low-frequency communication must take place even in an emergency case and no corresponding low-frequency reception stage and downstream Processing logic needed.
  • energy is continuously transmitted to the mobile unit 6 in an emergency case as long as the energy store 11 is charged, as long as high-frequency communication takes place between the mobile unit 6 and the quasi-stationary unit 1. Is such a high-frequency communica- tion no longer necessary, can set the quasi-stationary Sendestu ⁇ fe 5 optionally also the transmission of low-frequency signal in order to save energy.
  • Figure 4 is a diagram showing the the drawn by a particular sequence of events of a non-continuous low energy transfer and the high-frequency Kom ⁇ communication between the quasi-steady and the mobile units according to the figures 1 and 2.
  • the basic structure of the chart corresponds to that shown in FIG. 3 From FIG. 4, however, it can be seen that, in contrast to the diagram shown in FIG. 3, the low-frequency energy transmission 22 is terminated after a certain period of time (again, for example, about 500 ms), assuming that the energy store 11 of the mobile unit is assumed 6 is sufficiently charged to perform the desired high-frequency communication 23.
  • a draw by a certain Event can also occur in the same way a cyclic firing without occurrence of a specific event.
  • a specific event for example the actuation of a door handle or the actuation of a start button for the engine start

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne un système d'accès sans clé pour un véhicule. Le système d'accès selon l'invention est constitué d'une unité quasi stationnaire (1) montée dans ou sur le véhicule et présentant un étage émetteur (2) et récepteur (3) pour des signaux haute fréquence (16), d'un étage émetteur quasi stationnaire (5) pour des signaux basse fréquence (17) monté dans ou sur le véhicule, ainsi que d'une unité mobile (6) présentant un étage émetteur (7) et récepteur (8) pour des signaux haute fréquence (16), un étage récepteur (9) pour des signaux basse fréquence (17), ainsi qu'une source d'énergie (10) et un accumulateur d'énergie (11) pour son alimentation propre en énergie. L'unité mobile et l'unité quasi stationnaire (1, 6) échangent sans fil des informations au moyen des signaux haute fréquence (16). Dans un mode de fonctionnement de secours, lorsque la source d'énergie (10) ne fournit pas suffisamment d'énergie à l'étage émetteur et récepteur (7, 8) pour signaux haute fréquence (16) dans l'unité mobile (6), l'étage émetteur quasi stationnaire (5) transmet de l'énergie au moyen des signaux basse fréquence (17) à l'étage récepteur (9) pour signaux basse fréquence (17) dans l'unité mobile (6), cette énergie étant stockée dans l'accumulateur d'énergie (11) de l'unité mobile et alimentant l'étage émetteur et récepteur (7, 8) pour signaux haute fréquence (16) dans l'unité mobile (6).
PCT/EP2008/062564 2007-09-20 2008-09-19 Système d'accès sans clé à fonction de secours WO2009040316A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007044871.8 2007-09-20
DE102007044871A DE102007044871A1 (de) 2007-09-20 2007-09-20 Schlüsselloses Zugangssystem mit Notlauffunktion

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Publication Number Publication Date
WO2009040316A1 true WO2009040316A1 (fr) 2009-04-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106327629A (zh) * 2016-08-12 2017-01-11 广西大学 一种通过音频通道传输密码控制开闭锁的方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009043053A1 (de) * 2009-09-28 2011-03-31 Marquardt Gmbh Schließsystem, insbesondere für ein Kraftfahrzeug
DE102013014890A1 (de) 2013-09-06 2015-03-12 Audi Ag Verfahren zum Betrieb eines Kraftfahrzeugs und Kraftfahrzeug
DE102016005342A1 (de) * 2015-05-04 2016-11-10 Marquardt Gmbh Schließsystem sowie Vorrichtung mit einem Schließsystem

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4226053A1 (de) * 1991-08-09 1993-02-11 Alps Electric Co Ltd Fernbedieneinrichtung
DE4329697A1 (de) * 1993-09-02 1995-03-09 Siemens Ag Fernsteuerbare Zugangskontrolleinrichtung
DE4340260A1 (de) * 1993-10-01 1995-04-06 Marquardt Gmbh Schließsystem, insbesondre für Kraftfahrzeuge
DE19850176C1 (de) * 1998-10-30 2000-08-31 Siemens Ag Diebstahlschutzeinrichtung für ein Kraftfahrzeug und Verfahren zum Betreiben der Diebstahlschutzeinrichtung
WO2003072402A1 (fr) * 2002-02-21 2003-09-04 Marquardt Gmbh Appareil de commande pour vehicule automobile
EP1431141A2 (fr) * 2002-12-19 2004-06-23 Kabushiki Kaisha Tokai Rika Denki Seisakusho Contrôle de démarrage de moteur pour véhicule
WO2005087556A1 (fr) * 2004-03-10 2005-09-22 Daimlerchrysler Ag Systeme d'autorisation de conduite, element d'authentification associe et procede d'alimentation en energie

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0767286A3 (fr) * 1995-10-02 1998-10-14 Motorola, Inc. Système télécommandé d'entrée sans clé et d'immobilisation pour véhicules automobiles
US6323566B1 (en) * 1996-10-10 2001-11-27 Texas Instruments Incorported Transponder for remote keyless entry systems
DE19832628C2 (de) * 1998-07-21 2000-10-12 Daimler Chrysler Ag Transponderanordnung
DE102004039651A1 (de) * 2004-08-16 2006-03-09 Giesecke & Devrient Gmbh Gesteuertes kontaktloses Aufladen eines Akkumulators

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4226053A1 (de) * 1991-08-09 1993-02-11 Alps Electric Co Ltd Fernbedieneinrichtung
DE4329697A1 (de) * 1993-09-02 1995-03-09 Siemens Ag Fernsteuerbare Zugangskontrolleinrichtung
DE4340260A1 (de) * 1993-10-01 1995-04-06 Marquardt Gmbh Schließsystem, insbesondre für Kraftfahrzeuge
DE19850176C1 (de) * 1998-10-30 2000-08-31 Siemens Ag Diebstahlschutzeinrichtung für ein Kraftfahrzeug und Verfahren zum Betreiben der Diebstahlschutzeinrichtung
WO2003072402A1 (fr) * 2002-02-21 2003-09-04 Marquardt Gmbh Appareil de commande pour vehicule automobile
EP1431141A2 (fr) * 2002-12-19 2004-06-23 Kabushiki Kaisha Tokai Rika Denki Seisakusho Contrôle de démarrage de moteur pour véhicule
WO2005087556A1 (fr) * 2004-03-10 2005-09-22 Daimlerchrysler Ag Systeme d'autorisation de conduite, element d'authentification associe et procede d'alimentation en energie

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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