EP3073463A1 - Dispositif de detection de vehicule - Google Patents

Dispositif de detection de vehicule Download PDF

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Publication number
EP3073463A1
EP3073463A1 EP16160417.8A EP16160417A EP3073463A1 EP 3073463 A1 EP3073463 A1 EP 3073463A1 EP 16160417 A EP16160417 A EP 16160417A EP 3073463 A1 EP3073463 A1 EP 3073463A1
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EP
European Patent Office
Prior art keywords
signal
detuning
induction loop
vehicle detection
detection device
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.)
Granted
Application number
EP16160417.8A
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German (de)
English (en)
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EP3073463B1 (fr
Inventor
Dipl.-Ing. Dr. Thomas Waibel
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.)
Designa Verkehrsleittechnik GmbH
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Designa Verkehrsleittechnik GmbH
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Publication of EP3073463A1 publication Critical patent/EP3073463A1/fr
Application granted granted Critical
Publication of EP3073463B1 publication Critical patent/EP3073463B1/fr
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
    • G08G1/145—Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas
    • G08G1/146—Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas where the parking area is a limited parking space, e.g. parking garage, restricted space
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
    • G08G1/145—Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas
    • G08G1/148—Management of a network of parking areas
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
    • G08G1/149—Traffic control systems for road vehicles indicating individual free spaces in parking areas coupled to means for restricting the access to the parking space, e.g. authorization, access barriers, indicative lights

Definitions

  • the invention relates to a vehicle detection device and a method for monitoring an integrated in a roadway induction loop.
  • vehicle detection devices which use induction loops which are integrated into the roadway.
  • Such induction loops form a coil, which is part of a resonant circuit.
  • the inductance of this coil changes, d. h., the resonant frequency of the induction loop changes or is detuned.
  • the detuning of the resonance frequency is detected and when a predetermined limit value is exceeded, a switching signal is output which represents a vehicle traveling over.
  • Such induction loops are used in particular in multi-storey car parks to detect vehicles in front of, under and behind barriers which obstruct the entrances and exits of the parking garages or parking spaces.
  • the problem with such vehicle detection devices is that the quality of the induction loop can change over time. This may be caused by moisture, roadway and induction loop deformations or the like. Such changes may cause the moods that occur to change and, in particular, to diminish, so that vehicles can no longer be reliably detected and malfunctioning, which in extreme cases can, for example, lead to a barrier closes while a vehicle is under the barrier.
  • the vehicle detection device has at least one induction loop built into a roadway.
  • the induction loop may be embedded in a known manner in a concrete or asphalt pavement or a lane of other suitable material.
  • the induction loop forms a coil in a known manner, which is part of a resonant circuit.
  • When the induction loop is passed over, its resonance frequency or the resonant circuit containing the induction loop is detuned in its resonant frequency.
  • the detuning occurring can be used in a known manner to signal a vehicle running over.
  • the induction loop is connected to a monitoring device which serves to monitor the quality, ie the correct functioning of the induction loop. It is possible to monitor the quality or function without using an additional reference or test loop.
  • the monitoring device is designed such that it detects the resonance frequency of the induction loop or the resonant circuit, which contains the induction loop, and evaluates this resonant frequency or generates and evaluates a detuning signal representing the detuning. This means that either a signal representing the detuning can be evaluated or the resonant frequency can also be evaluated directly. In this case, a larger change in the resonance frequency means a larger amount of the detuning signal.
  • the resonance frequency or the detuning signal is evaluated in such a way that the monitoring device compares values of this signal with one another at different times. That is, there is no comparison with predetermined limits to monitor the induction loop, but the waveform of the resonant frequency or the detuning signal itself is evaluated at different times by comparing values of the signal occurring at different times. These times can be fixed predetermined recurring times. Preferably, a continuous evaluation of the resonance frequency or the detuning signal can take place.
  • the monitoring device can be designed such that it the resonance frequency or the detuning signal continuously monitors and compares the values to be compared, for example maxima and / or minima, and compares them with one another on the signal course.
  • the monitoring device can have a memory in order to store individual values or an entire signal profile. The continuous monitoring can be carried out in such a way that values of the detuning signal are recorded and evaluated at small, regular intervals.
  • a digitization of the detuning signal can be performed.
  • the induction loop is connected to an evaluation device, wherein the evaluation device is configured such that it the detuning of the resonant frequency of the induction loop, d. H. detects the detuning of the resonant frequency of a resonant circuit having the induction loop and outputs a digital switching signal when a predetermined detuning limit value is exceeded.
  • a digital switching signal then preferably represents a vehicle, which passes over the induction loop. That is, the output of the switching signal is made dependent on the magnitude of the amplitude.
  • a digital switching signal is output only when a ripple or amplitude of detuning exceeds a predetermined detuning limit.
  • the signal conditioning of the detuning signal is compared with the predetermined limit value by the evaluation device.
  • the monitoring device compares values of the detuning signal with each other at different times, ie. h., It is preferably a relative instead of or in addition to an absolute evaluation of the detuning signal.
  • the monitoring device can be designed such that it detects vehicles by a relative signal evaluation, which run over the induction loop.
  • the monitoring device is preferably designed such that it recognizes on the basis of deflections of the detuning signal compared to the further waveform of the detuning signal vehicles.
  • the monitoring device evaluates the signal curve over time in order to detect vehicles traveling on the basis of the occurring rashes or amplitudes.
  • the monitoring device then does not recognize the vehicles traveling over that a predetermined limit value is exceeded, but that the detuning signal has a rash or an amplitude with respect to the further signal course.
  • This has the advantage that overrunning vehicles can be detected independently of predetermined limits.
  • different types of vehicles can be detected, since the monitoring device can also be designed so that it evaluates the rash their amount, for example, larger vehicles produce a larger swing than smaller vehicles.
  • Such a monitoring device can be used as an alternative to the described evaluation device or in addition to such an evaluation device, in order to allow greater reliability and a differentiated recognition of different types of vehicles.
  • the monitoring device is designed such that it detects the amplitudes or excursions of the detuning signal over a period of time and recognizes a deterioration in the quality or function of the induction loop from a change in the magnitude of the excursions over this period.
  • the monitoring device is designed such that it generates a warning signal when the amount of the deflections changes over this period of time.
  • the time period may be a predetermined period of time, preferably a continuous monitoring of the amplitudes or excursions of the detuning signal takes place. If these are yourself For example, this will decrease the quality of the induction loop, and the monitoring device is preferably designed to output a warning signal upon such a change.
  • Such a warning signal can be displayed directly to an operator, be it visually or acoustically, or further processed in a higher-level control device in order to initiate necessary measures such as, for example, maintenance or checking of the induction loop.
  • the monitoring device may be designed so that an indication signal is output when the average amount of the rashes or amplitudes has decreased by a certain amount, ie a predetermined amount or a predetermined percentage.
  • the monitoring device is designed so that it does not directly compare individual amplitudes with each other, but averages over a period of time the amplitudes or amplitudes occurring and considers changes in this mean value.
  • the monitoring device is designed such that it detects the rash or amplitudes of the detuning signal and generates a hint or error signal when the magnitude of the excursions of the detuning signal or the resonance frequency falls below a predetermined lower limit.
  • the lower limit can be set so that it forms a limit to which a proper function of the induction loop is assumed. If the lower limit is exceeded, this is no longer guaranteed and it is issued a warning signal, which can either be detected directly by an operator or can be further processed in a higher-level control device to cause necessary measures such as maintenance or repair of the induction loop.
  • the monitoring device is arranged away from the induction loop and the resonance frequency or detuning signal is transmitted to the monitoring device via a data network, in particular the Internet.
  • a loop detector can be arranged directly on the induction loop, in which the other components of the resonant circuit are located and which outputs the detuning signal as an analog or preferably digitized signal.
  • Such a loop detector is preferably arranged in the immediate vicinity of the induction loop, for example directly at a barrier of a parking lot.
  • the monitoring device can be far away, for example, integrated into a central server, in which preferably also an entire control device for one or more parking spaces can be integrated.
  • the monitoring device can be installed at almost any location and easily connected to an induction loop located at any other location.
  • a plurality of induction loops are connected to a common monitoring device, which evaluates the detuning signals of the plurality of induction loops independently of each other.
  • the individual induction loops are preferably each provided with a loop detector, which the Outputs detuning signal of the respective induction loop to the monitoring device and transmits. In this case, a transmission in the manner described above via a data network.
  • the monitoring device may be, for example, a central monitoring device for a larger parking garage or a larger parking lot. More preferably, however, the monitoring device is used anywhere to monitor induction loops of various devices, ie, for example, several parking garages.
  • the monitoring device can be arranged essentially at any desired location, from where it can also monitor induction loops arranged at a great distance.
  • each induction loop is individually monitored so that deterioration or damage to each individual induction loop can be detected or corresponding indication or error signals can be output for individual induction loops, as described above.
  • the detection device as described above, integrated in a parking space access control system, wherein the at least one induction loop is part of a gate or gate control. That is, the induction loop may be arranged in front of, under or behind a barrier to detect vehicles there. Alternatively, the vehicle detection device may also be integrated into other systems, such as traffic light controllers.
  • the subject of the invention is thus particularly preferably also a parking space access control system, which comprises a vehicle detection device according to the preceding description.
  • the monitoring device can further preferably be integrated into the gate or barrier control of the parking space access control system be.
  • the gate or barrier control causes the opening and closing of barriers or gates, which limit the parking space. This preferably includes access control and payment processing.
  • the barrier control can be arranged locally directly at the barrier, but is more preferably arranged centrally away from the barrier. Thus, a central gate or gate control for a whole parking space object, ie a parking garage or a parking lot can be provided. More preferably, it is also possible to provide a central barrier control or control device which controls the barriers and gates of several parking garages.
  • the barriers and gates can be connected in a known manner via a suitable data network, in particular the Internet, with the control device, ie the gate or barrier control.
  • the invention also provides a method for monitoring an integrated in a roadway induction loop.
  • a method for monitoring an integrated in a roadway induction loop occurring detunings of the resonant frequency of the induction loop or of the resonant frequency of a resonant circuit, of which the induction loop is part, are detected at different times and compared with one another.
  • a continuous recording takes place, if appropriate with averaging, wherein mean values can be compared with one another at different times.
  • the process sequences described there are likewise preferably the subject of the process according to the invention.
  • the method is suitably suitable for use with such a vehicle detection device.
  • the amplitudes or amplitudes of the detuning of the resonance frequency are preferred Detuned signal over a period of time and compared. This can be a predetermined period of time.
  • the rashes or amplitudes are recorded continuously, it being possible to form average values over individual periods or continuously, which then in turn can be compared with one another at different times.
  • a reference signal is generated if the magnitude of the amplitudes or amplitudes of the detuning signal falls below a predetermined lower limit. If the detuning is no longer sufficiently large, a vehicle can no longer reliably be detected. A correspondingly generated upon reaching the predetermined lower limit indication signal can be timely point out that the respective induction loop has to be maintained or repaired.
  • the vehicle detection device according to the invention can be used, in particular, in a parking space monitoring system, as used, for example, for parking garages or parking spaces.
  • the vehicle detection device is used to detect whether a vehicle is standing in front of a barrier.
  • FIG. 1 shown parking space monitoring system two barriers 2 are shown by way of example, which obstruct, for example, two entrances or entrances and exits of a parking garage.
  • a vehicle detection device is arranged with an induction loop 4, wherein the induction loops 4 can be embedded in a known manner in a roadway.
  • an induction loop 4 is shown, but in reality at each barrier 2 a plurality of induction loops 4 can be arranged, for example, in front of, below and behind the barrier to the passage of a vehicle through the barrier 2 to monitor.
  • Each induction loop 4 is connected to a loop detector 6, which forms the evaluation device for the induction loop 4.
  • the induction loop 4 forms part of a resonant circuit whose remaining components are arranged in the loop detector 6.
  • the induction loop 4 When driving over the induction loop 4 by a vehicle whose inductance and thus the resonant frequency of the resonant circuit changes. This change in the resonant frequency or detuning of the resonant circuit is detected by the loop detector 6.
  • an operator terminal 8 is also shown at each barrier 2, which serves for example for issuing or receiving parking tickets. Further, in the example in FIG. 1 by way of example, a payment terminal 10 is shown. It is to be understood that a plurality of barriers 2, operating terminals 8 and also a plurality of payment terminals 10 can be present in a parking garage.
  • the system further comprises a central control device 12, which forms a barrier control and controls a plurality of barriers 2 in the manner described below. It should be understood that the central control device 12 can not only control a single parking garage or a single parking space with its components, but can control a multiplicity of different parking garages and parking spaces or the elements present there such as barriers 2.
  • control device 12 via the Internet 14 with all components to be controlled, d. H. in particular the barriers 2, the control terminals 8 and / or the payment terminals 10 connected.
  • the loop detectors 6 are also connected to the control device 12 via the Internet 14.
  • the control device 12 transmits via the Internet 14 control commands to the individual barriers 2 to open them and close, if necessary.
  • the controller 12 receives data from the operator terminals 8 and sends data to the operator terminals 8, for example, in the issue and reading of parking tickets. Accordingly, it communicates via the Internet 14 with the payment terminals 10 to handle payment transactions.
  • the loop detectors 6 when a vehicle passes over the induction loop 4 and causes detuning of the resonant frequency, the loop detectors 6 output a digital switching signal this is transmitted to the central control device 12. In this case, a digital switching signal is output when a predetermined limit value for the detuning is exceeded.
  • a monitoring device 16 which monitors the function of the induction loops 4, is integrated in the central control device 12, which may be formed by a server system.
  • the monitoring device 16 can be integrated into the control device 12 as a module, in particular as a software module.
  • the monitoring of the function or quality of the induction loops 4 takes place in such a way that not only only digital switching signals are transmitted from the loop detectors 6 to the control device 12, but instead of these switching signals or in addition to these switching signals the detected resonance frequency or a detuning signal is transmitted. which represents the actually occurring detuning the resonance frequency.
  • FIG. 2 shows the course of the resonance frequency F over the time t.
  • the frequency F1 represents the resonant frequency of the resonant circuit or the induction loop 4 in the uncorrupted state, ie, when no vehicle is above the induction loop. If a vehicle is located above the induction loop, the resonance frequency z decreases in this example.
  • B at the times t 1 , t 2 , t 3 and t 4 . If the resonant frequency F falls below a limit value G, the associated loop detector 6 outputs a digital switching signal via the Internet 14 to the control device 12.
  • the amount of detuning decreases over time, ie, at time t 4 the detuning is less than at time t 1 . This may result from a deterioration in the quality of the induction loop 4, which may eventually lead to the Detuning the limit G no longer falls below, so that no more switching signal is generated when a vehicle is above the induction loop 4.
  • a detuning signal V is plotted over time t.
  • the detuning signal V corresponds to the frequency difference by which the resonant frequency of the oscillating circuit or the induction loop 4 is detuned when driving over a vehicle. If there is no detuning, the amount of the detuning signal V is zero. If the resonant frequency of the induction loop 4 is detuned by passing over the induction loop 4, the detuning signal V shows amplitudes or deflections, in this example A1, A2, A3, A4 and A5. When the amount of these excursions A1, A2, A3, A4, and A5 exceeds the limit value G, the loop detector 6 generates the said digital switching signal.
  • the amount of the rashes A1, A2 decreases over time, ie, the rashes A3 and A4 are smaller than the rashes A1 and A2, and the rash A5 is even smaller. That is, the signal of the induction loop 4, which represents a vehicle traveling over, becomes worse over time, which may be caused, for example, by geometric variations of the induction loop in the road, moisture entering the asphalt, or the like.
  • the monitoring device 16 is designed such that it continuously monitors the detuning signal V for each individual induction loop 4 in such a way that the magnitudes of the occurring deflections are compared with one another. Now recognizes the monitoring device 16, that the amounts of the excursions are smaller, that is, in this example, the rashes A3 and A4 are weaker than the previous rashes A1 and A2 and the rash A5 is again weaker, the monitoring device 16 may generate an alert signal indicating that the induction loop 4 no longer works properly and needs to be serviced or repaired.
  • a limit value G or a lower limit U can also be provided for this, below which such a warning signal is generated.
  • the signal or the magnitude of the deflection A5 falls below this lower limit U, which can then cause the monitoring device 16 to output the notification signal.
  • the direct monitoring of the resonant frequency or the detuning signal V instead of just one switching signal has the additional advantage that a much more accurate detection of overrunning vehicles is possible.
  • different types of vehicles can be distinguished, since different vehicle types cause different deflections A.
  • larger vehicles cause greater disgruntlement than smaller vehicles.
  • These can be distinguished in this way.
  • FIG. 4 shows the course of the resonance frequency as shown in FIG. 2 . If a first vehicle now passes over the associated induction loop 4, the resonance frequency decreases starting from the rest frequency F1 to a resonance frequency F2 at time t 1 . Since it discriminates the limit value G, a vehicle running over is recognized and a digital switching signal representing the vehicle overrunning can be output by the loop detector 6. In conventional systems, the limit value G would not be exceeded again until the time t 4 , and it was only at this point in time that it was possible to detect the departure of the vehicle. In the example shown, two vehicles travel directly behind one another via the induction loop 4.
  • the small gap between the vehicles causes the resonant frequency to increase again to the value F3 at time t 2 , which, however, is below the limit value G is located and thus causes no digital switching signal or no change of the digital switching signal, so that in a conventional system here no second vehicle could be detected, which passes over the induction loop at time t 3 , which in turn leads to a reduction of the resonance frequency to the value F2 is coming.
  • the relative change of the resonance frequency or the value of the value F2 to the value F3 can be detected by the monitoring device, so that it can be detected here that two Vehicles directly after one another drive over the induction loop 4.
  • the monitoring device 16 may be designed such that it detects when a signal waveform, as shown in FIG. 4 is shown, outputs an alarm signal to cause a manual check.
  • the change of the waveform, as shown in FIG. 4 can be achieved by continuous monitoring of the detuning signal V and the resonance frequency F.
  • the amount of the signal can be continuously recorded and evaluated at regular intervals. These time intervals are chosen so small that they are in any case smaller than the expected time intervals between two vehicles crossing the induction loop 4.
  • the values of the resonance frequency F and of the associated detuning signal V are preferably compared with one another at the times t 1 , t 2 , t 3 and t 4 , ie not only a comparison with a limit value G takes place so that changes in the waveform can be detected independently of predetermined limits.
  • the signal of the resonant frequency can be evaluated by the monitoring device or a detuning signal representing the detuning. Both are considered equivalent within the meaning of the invention.
  • the evaluation of the signal in the monitoring device can be either purely relative, with changes or differences in the rash occurring when detuning the resonance frequency are evaluated, for example, to be able to detect malfunctions of the function of the induction loop early or to detect different types of vehicles or vehicles driving directly behind each other.
  • This further limit forms a lower limit for the amounts of disgruntlement occurring.
  • D. h. When crossing the induction loop 4 by a vehicle in this case the amount of the deflection of the detuning signal is compared with two limit values, ie, a lower limit value, which signals the passing of the induction loop 4 by a vehicle, and an upper limit, which additionally has to be exceeded in order to ensure the correct function of the induction loop 4. If only the threshold value causing the switching signal is exceeded, the desired function of the induction loop 4 is still given, but it can be recognized early by the monitoring device 16 that the function of the induction loop 4 is deteriorating in order to perform maintenance or replacement can before the function of the induction loop 4 fails.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Traffic Control Systems (AREA)
EP16160417.8A 2015-03-16 2016-03-15 Dispositif de detection de vehicule Active EP3073463B1 (fr)

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Application Number Priority Date Filing Date Title
DE102015204674.5A DE102015204674B4 (de) 2015-03-16 2015-03-16 Fahrzeug-Detektionsvorrichtung

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EP3073463A1 true EP3073463A1 (fr) 2016-09-28
EP3073463B1 EP3073463B1 (fr) 2020-01-01

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106409006A (zh) * 2016-11-08 2017-02-15 南威软件股份有限公司 一种基于云数据的停车场联网管理系统
CN106846887A (zh) * 2017-01-12 2017-06-13 中山市易达号信息技术有限公司 一种智能车位锁控制系统
CN109887330A (zh) * 2019-04-09 2019-06-14 南京维智感网络科技有限公司 面向室外停车位状态管理的地感线圈车辆探测方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1959546A1 (de) * 1968-11-29 1970-07-09 Omron Tateisi Electronics Co Vorrichtung zur Ermittlung von Verkehrsinformationen
DE3209377A1 (de) * 1982-03-15 1983-09-22 Siemens AG, 1000 Berlin und 8000 München Verfahren zur fahrzeugdetektion im strassenverkehr
US5508698A (en) * 1991-06-17 1996-04-16 Minnesota Mining And Manufacturing Company Vehicle detector with environmental adaptation
DE29722739U1 (de) * 1997-12-23 1998-03-12 Feig electronic GmbH, 35781 Weilburg Sicherheitsdetektor
DE69929316T2 (de) * 1998-04-08 2006-08-17 Kabushiki Kaisha Kenwood Fahrzeugsdetektionssystem mit transponder
DE102011014855A1 (de) * 2011-03-24 2012-09-27 Thales Defence & Security Systems GmbH Verfahren und Vorrichtung zum Erfassen und Klassifizieren von fahrenden Fahrzeugen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1959546A1 (de) * 1968-11-29 1970-07-09 Omron Tateisi Electronics Co Vorrichtung zur Ermittlung von Verkehrsinformationen
DE3209377A1 (de) * 1982-03-15 1983-09-22 Siemens AG, 1000 Berlin und 8000 München Verfahren zur fahrzeugdetektion im strassenverkehr
US5508698A (en) * 1991-06-17 1996-04-16 Minnesota Mining And Manufacturing Company Vehicle detector with environmental adaptation
DE29722739U1 (de) * 1997-12-23 1998-03-12 Feig electronic GmbH, 35781 Weilburg Sicherheitsdetektor
DE69929316T2 (de) * 1998-04-08 2006-08-17 Kabushiki Kaisha Kenwood Fahrzeugsdetektionssystem mit transponder
DE102011014855A1 (de) * 2011-03-24 2012-09-27 Thales Defence & Security Systems GmbH Verfahren und Vorrichtung zum Erfassen und Klassifizieren von fahrenden Fahrzeugen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106409006A (zh) * 2016-11-08 2017-02-15 南威软件股份有限公司 一种基于云数据的停车场联网管理系统
CN106846887A (zh) * 2017-01-12 2017-06-13 中山市易达号信息技术有限公司 一种智能车位锁控制系统
CN109887330A (zh) * 2019-04-09 2019-06-14 南京维智感网络科技有限公司 面向室外停车位状态管理的地感线圈车辆探测方法

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EP3073463B1 (fr) 2020-01-01
DE102015204674A1 (de) 2016-09-22

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