EP3482373A1 - Verfahren zum betrieb eines schliesssystems für ein kraftfahrzeug, tragbarer id-geber für ein kraftfahrzeug und schliesssystem - Google Patents
Verfahren zum betrieb eines schliesssystems für ein kraftfahrzeug, tragbarer id-geber für ein kraftfahrzeug und schliesssystemInfo
- Publication number
- EP3482373A1 EP3482373A1 EP17729052.5A EP17729052A EP3482373A1 EP 3482373 A1 EP3482373 A1 EP 3482373A1 EP 17729052 A EP17729052 A EP 17729052A EP 3482373 A1 EP3482373 A1 EP 3482373A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- transmitter
- motor vehicle
- microcontroller
- saving mode
- value set
- 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.)
- Pending
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
-
- 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
- G07C2009/00341—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 keyless data carrier having more than one limited data transmission ranges
- G07C2009/00357—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 keyless data carrier having more than one limited data transmission ranges and the lock having more than one limited data transmission ranges
-
- 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
- G07C2009/00365—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 in combination with a wake-up circuit
- G07C2009/0038—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 in combination with a wake-up circuit whereby the wake-up circuit is situated in the keyless data carrier
-
- 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
- G07C2209/08—With time considerations, e.g. temporary activation, valid time window or time limitations
Definitions
- the invention relates to a method for operating a
- Locking system for a motor vehicle further relates to a portable ID transmitter for a motor vehicle. Furthermore, the invention relates to a locking system having an ID transmitter and a motor vehicle side control unit.
- Such locking systems are used in particular for the operation of motor vehicles.
- the electronic locking systems serve, for example, as a door closing system, for
- keyless refers to the fact that an operator carries a portable ID transmitter.This portable ID transmitter does not necessarily have to be actively actuated, instead the ID transmitter is already sufficient to carry a
- an access grant or a release of an engine start already done by the operator to the
- the motor vehicle side control unit is caused.
- the LF wake-up signal is then received by the ID transmitter.
- the ID transmitter in response to a suitable LF wake-up signal, initiates radio frequency radio communication with the vehicle-mounted controller.
- the high-frequency bidirectional communication between ID transmitter and motor vehicle includes an exchange of
- identifying data such as cryptographic
- Control unit is determined whether the operator is authorized or not authorized to operate the motor vehicle.
- the mentioned function is triggered, so granted, for example, the access to the motor vehicle or not granted.
- the high-frequency communication that is carried out can also be used to enable the
- a distance of the operator can be determined.
- the operation of such a locking system is energy-intensive.
- the ID transmitter indicates the necessary energy supply
- portable ID encoders are for example the
- a portable ID transmitter which also has a power saving mode in addition to an operating mode.
- the ID donor is able to enter energy-saving mode after a certain time.
- the ID transmitter has a motion sensor. It is envisaged that the ID transmitter after a certain time enters its energy-saving mode without detected movement. If the motion sensor then causes a movement of the ID
- Encoder he sets a wake-up signal to a microcontroller of the ID transmitter. In response to the wake-up signal, the ID transmitter resumes the active operating state of the ID transmitter.
- Energy saving mode although it is actually in use or should be.
- An example is a prolonged stoppage of a motor vehicle in a traffic jam, which after a certain time would lead to the known ID transmitter in the
- the locking system is intended to provide the advantages of the possibility of occupying a power-saving mode by the ID transmitter, whereby the described disadvantages of taking the energy-saving mode in unfavorable constellations should be avoided or at least reduced.
- the object is achieved with a method for operating a locking system with the features of claim 1, with a portable ID transmitter for a motor vehicle having the features of claim 13 and with a locking system with the features of claim 15.
- the inventive method allows operation of a locking system for a motor vehicle, wherein the
- Locking system has at least one motor vehicle side control unit and a portable ID transmitter.
- the portable ID transmitter has at least a first operating mode and a second operating mode.
- the second operating mode is as
- the ID transmitter has a
- MEMS sensor is formed, a microcontroller, a controlled by the microcontroller transmitting and receiving circuit for wireless communication of the ID transmitter with the
- Microcontroller coupled LF receiver circuit for receiving LF alarm signals transmitted in the LF frequency range.
- the second mode of operation differs from the first mode
- the ID transmitter is set up so that it depends on the movements of the ID transmitter, which is the motion sensor
- Operating mode occurs.
- a common implementation for this approach is such that the ID transmitter enters the second mode of operation after a predetermined time of rest in which the motion sensor detects no movement.
- the inventive method comprises a step in which the ID transmitter by means of the motor vehicle side
- a state value set is transmitted, which is dependent on a mode of use of the motor vehicle.
- the inventive method further comprises a step that, with the aid of the microcontroller in the first operating mode before a transition to the second operating mode, namely the energy saving mode, the State value set is evaluated and activating the
- Energy saving mode is performed in dependence on the state value set.
- One aspect of the inventive approach is that the ID transmitter by means of a transmission of a
- State value set is communicated to what extent the current use mode of the vehicle at a given time should affect the behavior of the ID transmitter.
- the condition value set is of the usage mode of the
- Use modes of the motor vehicle may be different. It is not necessary for a present
- the motor vehicle is located; Rather, it is decisive that the ID provider supplies the information of the
- MicroController evaluates the state value set, and is informed on this basis using the condition value set about what further behavior of the ID transmitter is provided for activating its energy saving mode.
- the intended further behavior of the ID transmitter is dependent on which of the modes of use of the motor vehicle is present.
- the state value set can in particular via a
- the state value set may be formed as a bit, but other suitable data types may be provided.
- Another aspect of the approach according to the invention is that, before a transition to the second operating mode, namely the energy-saving mode, the activation of the Energy saving mode depending on the state value set is done.
- the dependence of the activation of the energy-saving mode can be implemented in different ways.
- the dependence of the activation of the energy-saving mode on the state value set can consist, for example, in the fact that the ID transmitter supplies the
- Energy saving mode may or may not occur.
- the dependency on the state value set can provide, for example, that the ID transmitter is informed of a period of time after which it expires without
- the detected movement of the ID transmitter is to enter the energy-saving mode.
- the status value set is evaluated by the
- Condition value set by the ID transmitter so that the intended time period with the transmission of the state value set is precisely controlled.
- the activation of the energy-saving mode as a function of the state value set takes place with the aid of the microcontroller. This includes in particular that the microcontroller the
- Microcontroller can be done immediately after the transmission of the condition value set; but it can alternatively or additionally be provided that at other times, for example, in a regular sequence or after a
- Evaluation of the state value set by the microcontroller takes place. It is essential that it is ensured that at least one evaluation of the state value set by the microcontroller has taken place before a transition in the energy-saving mode.
- the State value set to be buffered after the transmission can be stored on the storage device of the ID transmitter, which will be explained below, which is coupled to the microcontroller.
- the method according to the invention thus provides a possibility for different ones
- the references are stored on a memory which is coupled to the microcontroller.
- the microcontroller performs activation of the power save mode according to an instruction parameter set associated with the matching reference.
- a storage unit is to be understood as a component component which is suitable for temporary or permanent storage of data.
- memory can, for example, a
- the statement parameter set is an instruction or a set of statements
- An instruction parameter set may, for example, have a value indicating whether it is intended to enter the energy-saving mode at all, or whether instead of entering the energy-saving mode, the state should be disabled.
- Memory set stored instruction parameter sets are provided with references.
- references for example, a running number can be provided. It can be provided that a unique mode of use of the motor vehicle
- Reference is assigned. Alternatively or in parallel, however, it may also be provided that a reference is assigned to more than one mode of use of the motor vehicle, for example if two different modes of use of the motor vehicle are to lead to the same behavior of the ID transmitter.
- the reference is referenced with a reference pointer, whereby the reference pointer is preferably implemented as an identical data type as the reference.
- the ID transmitter is informed of a usage mode of the motor vehicle by means of a reference.
- MikroController is based on a database of behaviors intended for different usage modes for activating the energy saving mode of the ID transmitter, namely the
- This embodiment of the method is based on the idea that the identification of the mode of use of the motor vehicle can already be performed on the motor vehicle side, for example by means of the motor vehicle-side control device.
- Reference pointer is then a code that is transmitted to the ID transmitter and derived from the usage mode.
- the reference pointer must then be checked by the microcontroller by comparison with stored on the memory references only to an identity of reference pointer and reference.
- An instruction parameter set includes a release instruction that enables or disables the ID transmitter from entering sleep mode.
- the release statement can be provided as a Boolean number, that is, take the values 0 or 1.
- the ID transmitter With a release instruction, the ID transmitter is informed whether or not he should enter energy-saving mode. Depending on the corresponding mode of use of the motor vehicle can thus be specifically prevented that the energy-saving mode is activated. For example, in situations where it is anticipated that the user may wish to operate the ID transmitter in its first mode of operation, it may be a foregone conclusion
- An advantage of the method is the user-friendliness resulting from the fact that the frequency of situations is reduced, that a user must move the ID transmitter after a failed attempt to identify. This is achieved, for example, by contacting the manufacturer of the
- Energy saving mode occurs. As an example, there is a traffic jam
- Energy saving mode can be shortened targeted. This results in addition to a further energy savings, the advantage that the probability of so-called relay attacks is reduced.
- a relay attack is in the
- the presented method also makes it possible to increase the security of keyless locking systems.
- Microcontroller performs the activation of the power saving mode with a predetermined instruction parameter set. A default behavior is provided for which case
- the vehicle-mounted control unit receives no instructions or instructions that it can not interpret.
- the instruction parameter set is a
- Time instruction includes. This time instruction corresponds to a predetermined period of time, after which the activation of the energy-saving mode is performed, if during the period of time the ID transmitter was not actuated and no movement of the ID transmitter was detected by the motion sensor. This provides the advantageous possibility that for
- Time periods can be predefined, which the ID transmitter must remain unmoved before it can enter its energy-saving mode.
- the behavior of energy-saving mode can thus be adapted to expected behaviors. For example, entering an energy-saving mode in the context of
- Traffic light phases are avoided and corresponding periods of time are provided for different countries, if in
- State value set itself comprises a release value which corresponds to the ID Enables or disables the activation of power saving mode.
- the ID encoder only after comparison of reference pointer and reference to
- the ID transmitter is the release value from the state value set immediately after receipt and evaluation by the microcontroller available. This training of
- Energy saving mode immediately release or lock, regardless of whether references are stored on the memory or which references are stored on the memory.
- the provision of the clearance value leads to the advantageous reduction of required operations of the microcontroller, since a recourse to information stored on the memory, less frequently required.
- Advantageous effects are a reduced energy requirement and a prolonged life of the supply battery.
- the release parameter is provided as a Boolean number, which can take either the value 1 or the value 0.
- State value set itself comprises a time value which corresponds to a predetermined period of time, after which the
- Activating the energy saving mode is carried out if during the period of time the ID transmitter was not actuated and no
- Control unit can be used advantageously, for example, to set time values based on more complex arithmetic operations and using more extensive data.
- microcontroller is coupled to a manually operable button of the ID transmitter, and that as a result of an operation the key is overwritten by an operator with the release value having a predetermined value.
- the set value enables or disables the activation of sleep mode. In this embodiment, it is therefore provided that behavior selected by the operator is given priority for the ID transmitter.
- the method according to the invention provides that the activation of the energy-saving mode is enabled by activating the movement sensor and / or by inhibiting the activation of the energy mode by deactivating the movement sensor.
- This implementation of activating or blocking is advantageous because with a corresponding activation
- the desired behavior can be realized. For example, locking by disabling the motion sensor results in the motion sensor having no output signals indicative of motion. If appropriately configured, the microcontroller interprets the missing output signal to the effect that activating the power saving mode is disabled regardless of a corresponding movement of the ID transmitter, as not desired.
- Motion sensor for activating the energy saving mode
- the motion sensor itself can be activated or deactivated with the advantage that even when the ID transmitter moves in the energy-saving mode, no waking up of the ID transmitter takes place. This has the advantage that relay attacks are effectively prevented. If usage modes become known in which relay attacks are more likely, the motion sensor may have a suitably adapted one
- a wake-up of the ID transmitter with re-entry into the first operating mode must thereafter be done by a manual action of the user, For example, an actuation of a corresponding
- the microcontroller is set into a power-saving mode for activating the energy-saving mode of the ID transmitter.
- the microcontroller in the energy-saving mode only has to be able to detect a low wake-up potential, which is applied by the motion sensor to the microcontroller.
- the transmitting and receiving circuit is designed as an RF transmitting and receiving circuit.
- the motor vehicle-side control unit to the ID transmitter
- a state value set is provided for at least one of the usage modes
- the motor vehicle is located within a
- a method is arranged that the activation of the energy saving mode is disabled when the motor vehicle is running.
- the said usage modes have the advantage that they can be detected using sensors which are provided in conventional modern motor vehicles anyway.
- the desired of the mentioned methods can thus without
- Exemplary may be for one or more of the above
- the portable ID transmitter includes: a supply battery, a motion sensor, a
- Microcontroller one controlled by the microcontroller transmitting and receiving circuit for wireless communication of the ID transmitter with the motor vehicle side control unit, one with the
- Microcontroller coupled LF receiving circuit for receiving waking signals sent in the LF frequency range and a memory coupled to the microcontroller memory.
- the ID transmitter is set up to be able to assume at least a first operating mode and a second operating mode, of which the second operating mode is applied as an energy-saving mode.
- Microcontroller is set up, one of one
- Operating mode namely the energy-saving mode to perform the activation of the energy-saving mode depending on the state value set.
- the microcontroller is designed to store the condition value set in the memory unit after the condition value set has been received by the transmission and reception circuit or LF reception circuit.
- the microcontroller is set up to carry out one of the methods described and explained above.
- Another aspect of the invention relates to a
- Locking system having an ID transmitter of the type described above and a motor vehicle-side control unit, which is the wireless communication with the ID transmitter is set up so that the ID transmitter to carry out a method of the type presented above in cooperation with the
- vehicle-side control unit is capable of.
- Fig. 1 a schematic representation of a
- Fig. 2 a schematic representation of a
- Fig. 5 is a flowchart for another example
- Fig. 6 a schematic representation of
- Control unit 8 in entirety with the ID transmitter 1, a locking system for the motor vehicle 9 is.
- FIG. 2 is an exemplary illustration of a portable one.
- the ID transmitter 1 for a motor vehicle 9 refer.
- the ID transmitter 1 includes an LF receiving circuit 6 consisting of receiving coils and LF amplifier circuits consists.
- the LF receiving circuit 6 is coupled to a microcontroller 4.
- an RF transmitting and receiving circuit 5 is provided, which is coupled to the microcontroller 4.
- the ID transmitter 1 further comprises a motion sensor 3 embodied as a MEMS element.
- the motion sensor 3 is coupled via a line to an input port of the microcontroller 4. When the motion sensor 3 detects a movement of the ID transmitter 1, it gives over the
- the ID transmitter 1 comprises a storage unit 7, which serves as a nonvolatile flash memory
- the ID transmitter includes a mechanical key 8, which is manually operable by an operator.
- a release parameter of a predetermined value in this case the value Enable enable the energy saving mode
- the ID transmitter contains a supply battery 2.
- microcontroller 4 which is set up such that one of the input
- FIG. 3 is a flow chart for an exemplary
- Embodiment of the inventive method for operating a locking system refer.
- a first step 14 the motor vehicle 9 takes a
- the usage mode designates a predefined state of the motor vehicle 9.
- the usage mode is provided with sensors arranged on the motor vehicle 9
- the ID transmitter determines predefined mode of use, follows a transmission of a state value set 11 to the ID transmitter 1.
- the transmission the state value set 11 is initiated by the motor vehicle-side control unit 8 and made in the illustrated example via the RF transmission system of the motor vehicle 9 (flow point 15).
- the ID transmitter then receives the condition value set 11 by means of the transmitting and receiving circuit 5 designed as RF transmitting and receiving circuit 5 (discharge point 16).
- the ID transmitter 1 stores the state value set 15 for a possible later query by depositing it on the storage device 7 of the ID transmitter 1 (execution point 17).
- a decision point 18 it is checked whether a reference pointer of the state value set 11 matches a set of references. If this is not the case, the corresponding branch path brings about a selection of a predetermined instruction parameter set.
- the predetermined instruction parameter set results in a release of the energy-saving mode.
- Instruction parameter set comprises, in addition to the release, a statement which in this example is 1, so that the
- Activation of the energy saving mode is enabled, as well as a time value, which in the example is N seconds
- Energy saving mode is set and the LF receiving circuit 6 of the ID transmitter 1 is turned off.
- the microcontroller reads the instruction parameter set, which is associated with the matching reference (flow point 22).
- enabling is the power save mode locked so that the ID transmitter does not enter the energy-saving mode (step 23).
- FIG. 4 is a schematic of a state value set 11
- the state value set 11 consists in the representation shown of a reference pointer 12 and includes beyond this, no further information.
- FIG. 2 schematically shows a number of references 12'a, 12'b, 12'c, 12'n. Each of the references 12'a, 12'b, 12'c, 12'n is assigned an instruction parameter set 13a, 13b, 13c, 13n.
- the entirety of a reference 12'a, 12'b, 12'c, 12n and an instruction parameter set 13a, 13b, 13c, 13n in a compound data type is stored on the storage device 7.
- the reference pointer 12 of the state value set agrees with the reference 12'a associated with the instruction parameter set 13a.
- the method according to FIG. 1 would therefore be in a usage mode of the
- the state value set 11 is assigned to be performed with the instruction parameters of the instruction parameter set 13a.
- the state value set 11 is assigned to be performed with the instruction parameters of the instruction parameter set 13a.
- Instruction parameter set 13a a release instruction "1" which enables the ID transmitter to activate the energy-saving mode
- FIG. 5 shows an alternative procedure
- the example of the method according to the invention to be taken from FIG. 3 differs from the example to be taken from FIG. 1 in that the state value set does not have any
- the status value set itself comprises a release value "1"
- Condition value set a time value that is a predetermined
- Duration in this case 2 s, after which the activation of the energy-saving mode is carried out if during the period of time the ID transmitter was not actuated and no
- Condition value set is made only shortly before a possible entry of the ID transmitter in the energy saving mode.
- Fig. 6 is a schematic representation of
- State value sets 31a and 31b each having a release value 32a, 32b and in the case of state value set 31a has a time value 32a.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016112593.8A DE102016112593A1 (de) | 2016-07-08 | 2016-07-08 | Verfahren zum Betrieb eines Schließsystems für ein Kraftfahrzeug, tragbarer ID-Geber für ein Kraftfahrzeug und Schließsystem |
PCT/EP2017/063164 WO2018007072A1 (de) | 2016-07-08 | 2017-05-31 | Verfahren zum betrieb eines schliesssystems für ein kraftfahrzeug, tragbarer id-geber für ein kraftfahrzeug und schliesssystem |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3482373A1 true EP3482373A1 (de) | 2019-05-15 |
Family
ID=59034738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17729052.5A Pending EP3482373A1 (de) | 2016-07-08 | 2017-05-31 | Verfahren zum betrieb eines schliesssystems für ein kraftfahrzeug, tragbarer id-geber für ein kraftfahrzeug und schliesssystem |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3482373A1 (de) |
DE (1) | DE102016112593A1 (de) |
WO (1) | WO2018007072A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019211192A1 (de) * | 2019-07-26 | 2021-01-28 | Volkswagen Aktiengesellschaft | Innen- und Außenerkennung von ID-Gebern für ein Fahrzeug |
DE102019134001B4 (de) * | 2019-12-11 | 2023-07-06 | Ktm Ag | System mit einem Motorrad und einer transportablen Funkvorrichtung |
DE102022109617A1 (de) | 2022-04-21 | 2023-10-26 | Marquardt Gmbh | Funkschlüssel zum Entsperren des Fahrzeugs und/oder zur Freigabe einer Funktion des Fahrzeugs |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4340260A1 (de) | 1993-10-01 | 1995-04-06 | Marquardt Gmbh | Schließsystem, insbesondre für Kraftfahrzeuge |
DE102011001226A1 (de) | 2011-03-11 | 2012-09-13 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Tragbarer Identifikationsgeber für ein passives Zugangssystem eines Kraftfahrzeugs und Verfahren zum energiesparenden Betreiben des Identifikationsgebers |
DE102011050160B4 (de) | 2011-05-06 | 2021-10-28 | HELLA GmbH & Co. KGaA | Identifikationsgeber mit verringertem Stromverbrauch |
US9082241B2 (en) * | 2012-01-06 | 2015-07-14 | Nxp B.V. | Wireless communications circuit |
GB2515007A (en) * | 2013-05-31 | 2014-12-17 | Jaguar Land Rover Ltd | Vehicle communication system |
GB2517129B (en) * | 2013-05-31 | 2015-12-09 | Jaguar Land Rover Ltd | Vehicle communication system |
DE202016102327U1 (de) * | 2016-05-02 | 2016-05-19 | Germaneers Gmbh | Gerät zur Verhinderung des Missbrauchs eines Funkschlüssels |
-
2016
- 2016-07-08 DE DE102016112593.8A patent/DE102016112593A1/de active Pending
-
2017
- 2017-05-31 EP EP17729052.5A patent/EP3482373A1/de active Pending
- 2017-05-31 WO PCT/EP2017/063164 patent/WO2018007072A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
DE102016112593A1 (de) | 2018-01-11 |
WO2018007072A1 (de) | 2018-01-11 |
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