EP1746236A2 - Procédé et dispositif pour détecter un obstacle dans le trajet d'ouverture d'un élément mobile - Google Patents

Procédé et dispositif pour détecter un obstacle dans le trajet d'ouverture d'un élément mobile Download PDF

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Publication number
EP1746236A2
EP1746236A2 EP06014626A EP06014626A EP1746236A2 EP 1746236 A2 EP1746236 A2 EP 1746236A2 EP 06014626 A EP06014626 A EP 06014626A EP 06014626 A EP06014626 A EP 06014626A EP 1746236 A2 EP1746236 A2 EP 1746236A2
Authority
EP
European Patent Office
Prior art keywords
electrical signal
electrical
signal
comparison
sensors
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP06014626A
Other languages
German (de)
English (en)
Other versions
EP1746236A3 (fr
Inventor
Wilfried Ostermann
Roman Stepien
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.)
Huf Huelsbeck and Fuerst GmbH and Co KG
Original Assignee
Kiekert AG
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 Kiekert AG filed Critical Kiekert AG
Publication of EP1746236A2 publication Critical patent/EP1746236A2/fr
Publication of EP1746236A3 publication Critical patent/EP1746236A3/fr
Ceased legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/46—Detection using safety edges responsive to changes in electrical capacitance
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/65—Power or signal transmission
    • E05Y2400/66—Wireless transmission
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/40—Physical or chemical protection
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/546—Tailboards, tailgates or sideboards opening upwards

Definitions

  • the subject of the present invention is a method and a device for detecting an object in the opening region of a movable adjusting element, in particular during a closing or opening of the adjusting element.
  • the method according to the invention and the device according to the invention for monitoring the closing operation of movable adjusting elements in motor vehicles can be used.
  • Such a system is also known as a "anti-trap system”.
  • electromotive moving components In motor vehicles, the number of electromotive moving components is steadily increasing. In particular, it is known, electric windows to open and close side windows, sliding roofs, side doors, sliding doors, tailgates, trunk lids, hoods or convertible tops.
  • An electromotive drive moves the adjusting elements from a closed to an open position and vice versa.
  • a collision of the adjusting element with an object eg when opening a tailgate
  • jamming of an object in the adjusting element or between adjusting element and another component eg when closing a side window or tailgate
  • safety systems have been proposed which detect such a pinching or collision case.
  • Such safety systems can also partially initiate countermeasures, for example when closing a tailgate: the immediate stopping of the closing movement and / or the initiation of an opening process.
  • Such security systems include so-called “indirect” systems which change one possible collision or possible jamming over itself Characteristics of the electromotive drive (eg via the evaluation of the torque or the power, current or voltage consumption) detect.
  • a deviation of the course of the measured parameter with a reference curve is interpreted here as a possible collision or Einklemmfall, whereupon the traversing process is interrupted by a control electronics associated with the electric motor drive.
  • direct safety systems which have sensors arranged separately from the drive, which can detect an obstacle.
  • contactless direct systems with proximity sensors such as capacitive or inductive sensors
  • a transmission path is interrupted (for example, a light or sound or ultrasonic barrier).
  • touching direct systems such as a corresponding safety edge) are known, which trigger only upon contact of the article with the closing edge and the body or the door frame.
  • Pinch protection systems for hoods of a convertible are known in which a plurality of capacitive sensors are arranged in the critical region of the top movement range.
  • the sensors monitor the surrounding dielectric (air) for change and are connected to the drive via evaluation electronics. If an object now approaches a sensor, the change in the capacitance of the dielectric is detected and the drive is stopped when a certain threshold value (switching point) is exceeded.
  • This threshold which must be readjusted automatically with respect to changing environmental conditions, represents a reference value, which is compared with a currently measured value.
  • this system has the disadvantage that always a transmitter must be provided, which allows storage and readjustment of the threshold. In particular, the readjustment of the threshold value must take account of the change in the dielectric constant of the environment so that when changing this constant (for example, depending on the humidity), the threshold value is adjusted accordingly.
  • the present invention seeks to at least partially solve the problems known with respect to the prior art.
  • a method and a device for detecting an object in the opening region of a movable adjusting element to propose which can reliably and quickly recognize an object in the opening area, regardless of changing environmental conditions.
  • an object in the opening region is closed in dependence on a comparison of the course of the first electrical signal with that of the second electrical signal.
  • a movable adjusting is in particular a side window, a sunroof, a side door, a sliding door, a tailgate, a trunk lid, an engine hood or a hood of a motor vehicle to understand, which are each movable by an electric motor.
  • the opening region comprises the region through which the adjusting element moves during the process from an open to a closed position and vice versa. In the case of a side window of a motor vehicle, this would thus be the area through which the edge of the window moves during the closing of the window.
  • a Tailgate of a motor vehicle is in the opening area, in particular the area which lies between the open tailgate and the closed tailgate.
  • the opening region in a partially open position during opening also encompasses the region which lies between the partially open position and the fully open position of the tailgate.
  • object are meant in particular things, body parts of living things and the like.
  • the currently measured signal progressions are checked for synchronicity, for example. This can be done by comparing the slopes of the gradients present at a particular time. For this purpose, it is particularly advantageous if the slope is calculated from at least two measured values of the signal profile. In the case of a deviation of the gradient of the course of the first electrical signal for the slope of the course of the second electrical signal, it is possible to deduce the presence of an object in the opening area. Furthermore, the comparison of the courses of the electrical signals also means a comparison of the direct measured values of the electrical signals, if necessary time-averaged for noise suppression.
  • the balancing of the two courses of the first and the second electrical signal has the advantage that a reference value determination for the method according to the invention no longer necessarily has to be made.
  • Environmental changes no longer need to be taken into account by appropriate measures, since the signals change in a change in the environmental conditions, in particular with identically designed sensors, which provide the first and the second electrical signal.
  • a change in humidity has an influence on the absolute values of the curves of the first and second electrical signals, there is no significant change relative to the two curves, and so the changed environmental conditions are automatically taken into account when comparing the two curves.
  • a collision signal is generated, by means of which it can be recognized whether an object is present in the opening area.
  • the collision signal allows in a simple manner a data transmission to other components, for example to a control device, which can recognize from the collision signal, whether an object is present in the opening area or not and can react accordingly.
  • the course of the electrical signals in each case comprises a plurality of measured values, the comparison of the course of the electrical signals comprising the comparison of a first value of the first electrical signal and a second value of the second electrical signal, wherein the values each comprise a time assignable measurements.
  • the course of the electrical signals in each case comprises a plurality of measured values, the comparison of the course of the electrical signals comprising the comparison a first value of the first electrical signal and a second value of the second electrical signal, wherein the values each comprise at least two times assignable measured values.
  • a current mean value of the first and the second electrical signal is taken into account.
  • the current value is to be understood as meaning, in particular, an averaged value or a smoothed value in which the influence of the noise has been reduced as far as possible.
  • conventional smoothing methods can be applied to the signal characteristics of the first and the second electrical signal.
  • the slope of the course of the first and the second electrical signal is taken into account for comparison.
  • An intrusion of an object into the sensitive area of a capacitive and / or inductive sensor leads to a change in the capacitance or inductance and thus at the same time to a change in the signal curve in the form of a jump.
  • the amount of this jump depends in particular on the amount of conductive, dielectric and / or permeable material that is in the sensitive area.
  • the size of the jump and thus the accompanying magnitude of the change in slope is of the speed and / or the size of the incoming object.
  • the gradient difference the two courses of the first electrical signal and the second electrical signal
  • the collision signal then signals an object in the opening region when the absolute value of the difference of the compared signals exceeds a predefinable limit value.
  • the collision signal comprises a binary signal.
  • the collision signal can only be deduced whether an obstacle is present in the opening area, ie, if there is a risk of pinching the object during a closing or opening movement of the closing mechanism, or if the opening area is free of obstacles.
  • the collision signal signals an object in the opening area, in particular, the closing movement of the movable adjusting element can be stopped or inverted. If the collision signal indicates that an object is located in the opening region of the movable adjusting element, it is thus advantageously possible to pinch an object in the movable one Adjustment or between a movable adjustment and a solid element can be avoided.
  • the closing or opening movement can be slowed down to varying degrees.
  • the direction from which the object approaches can be identified and, if necessary, checked with further monitoring means.
  • the penetration rate can be determined based on the change in the slope of one of the electrical signals, so that suitable, predetermined, different collision avoidance strategies can also be used here.
  • the first electrical signal detects a property in a first sensitive area and the second electrical signal in one property in a second sensitive area, wherein the sensitive areas overlap each other at least in a partial area.
  • the overlapping of the sensitive areas creates a higher degree of process reliability, since the sensors and in particular their sensitive areas are subject to a certain fluctuation due to changes in the environmental influences.
  • a sufficiently large overlap area, at least in a partial area of the sensitive areas leads to the fact that even if the sensitive areas are due to, for example, From environmental influences are smaller, it is still ensured that the entire adjustment is monitored during an opening or closing movement.
  • the overlapping partial area is chosen to be relatively large.
  • sensors can thus be advantageously formed on two sides of an axis of the adjusting element, for example on both sides of a longitudinal axis of a boot lid or tailgate. In this way, it can be determined from which side of the adjustment element an object penetrates into the opening area.
  • an apparatus for detecting an object in the opening region of a movable adjusting element which comprises at least a first measuring sensor and a second measuring sensor, wherein the first measuring sensor generates a first electrical signal and the second measuring sensor generates a second electrical signal.
  • the electrical signals are dependent on a property of at least part of the opening area.
  • a comparison unit is provided which, depending on a comparison of the course of the first electrical signal with the course of the second electrical signal, provides a collision signal, by means of which it can be recognized whether an object is present in the opening area.
  • the device according to the invention can be used in particular in / on motor vehicles such as passenger cars, trucks or vans.
  • the following movable adjustment elements can be monitored with the device according to the invention: window panes, convertible tops, sliding doors, tailgates, trunk lids, sliding roofs, doors and / or hoods. All adjusting elements can be electrically operated. For this purpose, the adjusting elements are moved by means of an electric drive, so as to facilitate the operation of these adjustment or enable.
  • the device according to the invention allows a simple way of monitoring these adjusting elements to prevent jamming of an object in the adjustment during closing or abutment of the article to the adjustment during opening.
  • This device is particularly suitable for carrying out a method described according to the invention.
  • Such sensors are particularly suitable to effectively prevent pinching of an object in the adjustment.
  • Particularly preferred here is the use of sensors that detect an approach of an object to the sensor. This advantageously prevents jamming of objects in the adjusting element at a time when damage to the object or even injury to a corresponding person can still be effectively prevented.
  • Capacitive and inductive sensors have proven to be particularly reliable as reliable contact and / or proximity sensors. These sensors are easy to implement and operate in a simple manner. In particular, these sensors have advantages in comparison, for example, to optical sensors, since a comparison of the course of the electrical signals, which outputs a capacitive and / or inductive sensor, is possible in a simple manner advantageously quickly pinching or the risk of pinching is registered and countermeasures such as stopping the closing movement or an inversion of the closing or opening movement can be brought about.
  • the electrical capacitance there may in particular be a capacitive sensor which is sensitive to the approach or contact of an object.
  • a capacitive sensor comprises an electrode which is part of a capacitor whose further electrode is given by the approaching object.
  • the approaching object is thus understood as a "lying on electrical ground” electrode.
  • the capacitance of this capacitor is dependent on the distance d between the object and the electrode. In particular, there is an inversely proportional relationship between distance and capacitance.
  • the capacitance of this capacitor can be measured in various ways, in particular by forming a resonant circuit in which the capacitor is integrated, and determining the resonant frequency of this resonant circuit; or via the use of a reference capacitor whose charging or discharging time is determined.
  • an inductive sensor which is based on the fact that the inductance of a coil changes depending on, for example, the magnetic permeability.
  • the inductance of the coil changes.
  • the changed inductance of the coil can in particular be determined by means of a resonant circuit, since the coil as part of a resonant circuit co-determines its frequency.
  • an evaluation unit with corresponding components (such as an electrical resistance and an electrical capacitance) may be formed. Further possibilities for determining the inductance of this coil are possible according to the invention.
  • comparison unit it may be advantageous if it is suitable for comparing a first value of the first electrical signal and a second value of the second electrical signal from the electrical signals comprising a plurality of measured values, the values in each case being one instant include assignable measurements.
  • the comparison unit comprises, in particular, comparators which can carry out a comparison of the two signals with one another.
  • comparators which can carry out a comparison of the two signals with one another.
  • "measured values attributable to a time" mean that current measured values of the electrical signals are compared with each other.
  • the comparison unit is also suitable for comparing a first value of the first electrical signal and a second value of the second electrical signal from the electrical signals respectively comprising a plurality of measured values, the values each including at least two times assignable measured values.
  • values are formed which comprise a plurality of measured values.
  • linear smoothing can be carried out, but customary damping methods can be used in particular.
  • linear approaches as well as higher-order approaches can be used as a basis.
  • means for differentiating the course of the first and / or the second electrical signal are formed.
  • the current slope of the first electrical signal and / or the second electrical signal can be evaluated directly, for example, by a differentiator.
  • the comparison unit is designed so that not only the slope, but also an offset of the first and / or the second electrical signal are taken into account.
  • evaluation means are provided for evaluating the courses of the first and / or the second electrical signal and / or for evaluating the outputs of the comparison unit.
  • the measuring sensors each have a sensitive area and the measuring sensors are designed such that these sensitive areas overlap at least in a partial area.
  • a motor vehicle which comprises at least one movable adjusting element, in which the opening region of the adjusting element is monitored by the method according to the invention and / or which comprises a device according to the invention.
  • the adjusting element performs a movement which defines a direction of movement or a plane of movement, wherein measuring sensors are formed on both sides of the movement direction or plane passing through a center point of the adjusting element.
  • sensors may be formed on both sides of a central axis of the tailgate, so that a one-sided pinching of an object when closing the boot lid can be detected in an advantageous manner.
  • a detection of a one-sided entrapment can in particular effectively prevent damage to the adjusting element, since suitable countermeasures can be taken if the penetration of the object can be assigned to a specific sensor and thus to a specific subarea of the adjusting element.
  • FIG. 1 shows schematically a detail of a motor vehicle 1.
  • This motor vehicle 1 has a movable adjusting element, namely a boot lid 2.
  • the trunk lid 2 is articulated via an articulated arm 3 at a Auftician 4.
  • the Auftician 4 is eccentrically movable, which can be closed via the articulated arm 3 of the boot lid 2.
  • the trunk lid 2 spans together with the corresponding body 8 an opening portion 9 which is bounded by the trunk lid edge 10 and the body edge 11.
  • a first sensor 12 and a second sensor 13 is formed.
  • the first sensor 12 outputs a first electrical signal 14 and the second sensor 13 outputs a second electrical signal 15, which are dependent on a property of at least part of the opening region 9.
  • the measuring sensors 12, 13 are capacitive sensors whose electrical signals 14, 15 are dependent on the capacitance in the sensitive region of the measuring sensors 12, 13 and thus in the opening region 9.
  • an object 25 in the opening region 9 is closed.
  • An article 25 is understood to mean, in particular, a person or a part of a person, such as a hand.
  • the article 25 changes the capacitance of the capacitors formed from the article 25 and the probes 12, 13.
  • the capacity change is determined accordingly and closed, for example, when a predeterminable limit value is exceeded on an object 25 in the opening area 9.
  • Fig. 2 schematically shows the waveforms of the first electrical signal 14 and the second electrical signal 15
  • the abscissa illustrates the time, the ordinate a signal strength, respectively in relative units. From a comparison of the two waveforms 14, 15 a deviation of the signals can be clearly seen, whereby the penetration of an object was detected in the sensitive area and thus in the opening area 9.
  • Fig. 3 shows schematically the course of a difference signal 16 between a first electrical signal 14 and a second electrical signal 15.
  • the abscissa illustrates the time, the ordinate the difference signal from the first signal 14 and second signal 15, each in relative units.
  • the difference signal 16 initially fluctuates around the value 0. These fluctuations around the value 0 are based on the fact that both signals 14, 15 comprise a multiplicity of measured values which have noise. As a result of this noise, even in the case of basically the same or the same signal curve, slight differences occur between the two signals, which show up as noise in the difference signal 16.
  • a peak 17 shows a large difference between the two signals 14, 15.
  • This peak 17 is greater in absolute value than a limit value 18, so that it is concluded from an intrusion of an object 25 in the opening portion 9 of the adjusting element.
  • the peak 17 is at a point in time tp, in addition to which an object has entered the sensitive area of the first 12 and / or the second sensor 13.
  • the motor 5 of the device of FIG. 1 can thus either be turned off at the time tp or set in rearward movement. If, for example, a shutdown of the engine 5, it could be activated again at time t f , since then the difference signal has become smaller than the limit value 18 and thus no object is present in the opening area 9.
  • the abscissa represents the time, the ordinate a signal strength, each in relative units.
  • the course of the first electrical signal 14 is composed of a plurality of measured values 19.
  • the comparison according to the invention is not based on a measured value 19 but rather on a value 20 which comprises measured values 19 that can be assigned to at least two points in time, ie is based on at least two measured values 19.
  • the values 20 are obtained by averaging two or more measured values 19.
  • influences such as noise or measurement errors can be compensated in an advantageous manner. This advantageously prevents malfunctions which may occur, for example, when the comparison of the characteristics of the first 14 and the second electrical signal 15 exceeds a limit value 18 due to the noise, although no object has penetrated into the opening region 9.
  • the motor vehicle 1 comprises a tailgate 21 attached to a body 8.
  • the tailgate 21 represents a movable adjusting element.
  • the pairs of sensors 22, 23 each include a first sensor 12 and a second sensor 13 as described above.
  • the measuring sensors of the sensor pairs 22, 23 are formed in the tailgate 21.
  • These are sensors 12, 13, each of which emits an electrical signal which is dependent on a property in the opening region of the tailgate 21.
  • These are inductive and / or capacitive proximity sensors.
  • the signals of the Meßfiihlercrue 22, 23 are compared as set forth above according to the invention and in dependence on this range is closed to an object 25 in the opening portion 9.
  • the tailgate 21 has a plane of movement 24 defined by the centerline of the tailgate 21 and the direction of pivotal movement of the tailgate 21 upon opening and / or closing.
  • the Meßfiihlercrue 22, 23 each have a sensor on opposite sides of the plane of movement 24.
  • the second Meßfiihlercru 23 is in particular formed symmetrically to the movement plane 24.
  • FIG. 6 schematically shows an exemplary embodiment of a device according to the invention comprising a first measuring sensor 12 which emits a first electrical signal 14 which is dependent on a property of at least part of the opening region 9, and a second measuring sensor 13 which emits a second electrical signal 15 , which is dependent on a property of at least a part of the opening portion 9.
  • the probes 12, 13 are connected to a comparison unit 26.
  • the comparison unit 26 is suitable for outputting a collision signal 27 as a function of a comparison of the course of the signals 14, 15, by means of which it is possible to detect whether an object 25 is present in the opening area 9.
  • FIG. 7 shows schematically a further exemplary embodiment of a device according to the invention which, in addition to the first exemplary embodiment, has two means for differentiating 28 of the electrical signals 14, 15, so that in the comparison unit 26 the slopes of the courses of the electrical signals 14, 15 are compared.
  • the collision signal 27 is passed to evaluation means 29, in which the collision signal 27 and / or the first 12 and / or second electrical signal 13 is evaluated.
  • the position of the adjustment of the electrical signals 12, 13 can be determined.
  • a comparison with a reference curve of the signals 12, 13 is required.
  • the reference curve depicts the normal closing or opening process, wherein each time point or each capacitance / induction measured value is assigned an opening angle or an opening degree of the adjusting element.
  • This comparison can also be made, for example, in the evaluation means 29 and / or the comparison unit 26.
  • the method according to the invention and the device according to the invention advantageously permit the realization of an anti-pinch protection in the case of motorized adjustment elements 2 of motor vehicles 1.

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  • Power-Operated Mechanisms For Wings (AREA)
  • Air Bags (AREA)
EP06014626.3A 2005-07-20 2006-07-14 Procédé et dispositif pour détecter un obstacle dans le trajet d'ouverture d'un élément mobile Ceased EP1746236A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510034034 DE102005034034A1 (de) 2005-07-20 2005-07-20 Verfahren und Vorrichtung zum Erkennen eines Hindernisses im Öffnungsbereich eines bewegbaren Verstellelementes

Publications (2)

Publication Number Publication Date
EP1746236A2 true EP1746236A2 (fr) 2007-01-24
EP1746236A3 EP1746236A3 (fr) 2013-05-29

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EP06014626.3A Ceased EP1746236A3 (fr) 2005-07-20 2006-07-14 Procédé et dispositif pour détecter un obstacle dans le trajet d'ouverture d'un élément mobile

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DE (1) DE102005034034A1 (fr)

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DE202007008440U1 (de) 2007-06-16 2008-11-06 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt Einklemmschutzvorrichtung
DE102008016687A1 (de) 2008-04-01 2009-10-08 Magna Car Top Systems Gmbh Einklemmschutzvorrichtung für ein Kraftfahrzeug
DE102010036645B4 (de) * 2010-07-27 2016-12-01 Krauss-Maffei Wegmann Gmbh & Co. Kg Kapazitive Messvorrichtung und Messverfahren
DE102010036646A1 (de) * 2010-07-27 2012-02-02 Krauss-Maffei Wegmann Gmbh & Co. Kg Verfahren und Messvorrichtung zur Detektion von Objekten in einer Fahrzeuglukenöffnung
DE102011116356A1 (de) 2011-10-19 2013-04-25 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Warnvorrichtung für eine seitliche Schiebetür eines Fahrzeugs

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DE10248761A1 (de) 2002-10-18 2004-05-06 Wilhelm Karmann Gmbh Kapazitiv messender Sensor und kapazitive Sensorik zum Detektieren einer Einklemmsituation

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