EP2709120A1 - Dispositif de détection et/ou de réglage d'une position d'un élément mobile du dispositif - Google Patents

Dispositif de détection et/ou de réglage d'une position d'un élément mobile du dispositif Download PDF

Info

Publication number: EP2709120A1
Authority: EP; European Patent Office
Prior art keywords: ferromagnetic; arrangement; magnet; assembly; positions
Prior art date: 2012-09-12
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

EP12464017.8A

Other languages

German (de)

English (en)

Other versions

EP2709120B1 (fr

Inventor

Iulian Oancea

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.)

Continental Automotive GmbH

Original Assignee

Continental Automotive GmbH

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2012-09-12

Filing date

2012-09-12

Publication date

2014-03-19

2012-09-12 Application filed by Continental Automotive GmbH filed Critical Continental Automotive GmbH

2012-09-12 Priority to EP12464017.8A priority Critical patent/EP2709120B1/fr

2014-03-19 Publication of EP2709120A1 publication Critical patent/EP2709120A1/fr

2015-06-10 Application granted granted Critical

2015-06-10 Publication of EP2709120B1 publication Critical patent/EP2709120B1/fr

Status Active legal-status Critical Current

2032-09-12 Anticipated expiration legal-status Critical

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Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0231—Magnetic circuits with PM for power or force generation
- H01F7/0247—Orientating, locating, transporting arrangements

Definitions

the present invention relates to a device with a movable element which is movable in a plurality of positions, wherein a magnetic attraction or repulsion, a detection of the respective position and / or a mechanically stable adjustment of this position.
switches have, for example, elastic elements which can be moved by bending into different positions, however, they can break during frequent movement or otherwise be impaired in their function.
friction during movement of the elastic member may occur, which may also negatively affect the functionality and damaged during prolonged use, the component. Additionally, during use of one of such switches, noticeable feedback may also change over time.
the present application is therefore based on the object to propose a device which avoids the disadvantages mentioned, with which thus without fatigue for long periods a reliable adjustment of multiple positions of a movable element of the component is possible.
An inventive device for detecting and / or adjusting a position of a movable element of the device comprises a movable element and a spatially solid element.
the movable member is adjustable relative to the fixed spatial element of the device by moving in at least two positions and comprises a first ferromagnetic assembly.
the second element comprises a second ferromagnetic arrangement and at least one of the two ferromagnetic arrangements, that is to say the first ferromagnetic arrangement and / or the second ferromagnetic arrangement, comprises a magnet
a magnetic attraction acts between the first ferromagnetic arrangement and the second ferromagnetic arrangement Arrangement which is different depending on a spatial overlap of the first ferromagnetic arrangement and the second ferromagnetic arrangement and thus serves as a measure of the respective position.
the dimension for the respective position may include an indication of the position and / or an adjustment of the position.
both a magnetic attraction and a magnetic repulsion are intended to denote generally ferromagnetic materials and of course includes permanent magnets, electromagnets and magnetized ferromagnetic materials.
the device described can thus advantageously set a position of the movable element without elastic elements and possibly also hold the movable element in this position by the magnetic interaction.
a positioning of the movable member and the spatially fixed element to each other and thus a functionality of the device over a long period of time is ensured, since no element can break under excessive mechanical stress or wear by friction.
the relative positions can be reliably detected, since with decreasing spatial overlap and the magnetic interaction is weaker, while with increasing spatial overlap the magnetic interaction between the first ferromagnetic assembly and the second ferromagnetic assembly becomes correspondingly stronger.
the first ferromagnetic arrangement and / or the second ferromagnetic arrangement may in this case comprise a single magnet, but may also be composed of a plurality of individual magnetic elements. As a result, a variability in terms of a desired shape of the ferromagnetic assemblies and thus also the desired magnetic interactions is set.
the first ferromagnetic arrangement is the movable element.
the second ferromagnetic arrangement may be the spatially fixed element. This allows a particularly simple construction of the device, since the first ferromagnetic arrangement and the second ferromagnetic arrangement need not be attached to other parts.
the first ferromagnetic assembly, and thus the movable member may be movable on a first spatial surface
the second ferromagnetic assembly, and thus the spatially fixed member may be disposed on a second surface, the second surface being parallel to the first surface
the arrangement on predetermined surfaces allows setting defined relative position of the two ferromagnetic assemblies to each other and thus also setting of defined relative positions of the movable and the spatially fixed element.
the surfaces on which the first ferromagnetic assembly and the second ferromagnetic assembly move are planes.
the first ferromagnetic assembly and the second ferromagnetic assembly are spaced apart and do not contact one another. This allows a frictionless movement of the two arrangements against each other.
a direct contacting is to be understood as meaning a contacting without further components lying therebetween, while additional components may also be arranged in the case of an indirect contacting between the first ferromagnetic arrangement and the second ferromagnetic arrangement.
switches can be constructed cost-effectively in a simple construction, in which a switching state is defined by the contacting of the ferromagnetic assemblies in a specific position. Furthermore, these switches can be designed to save space and cause no disturbing noise when switching, in particular, a clicking noise, as occurs in some of the switches known from the prior art, can be avoided. In addition, a user feels a gentle feedback that does not change over time.
the first ferromagnetic arrangement and / or the second ferromagnetic arrangement may also be movable out of the respective plane in which they are otherwise supported. This is typically done in a direction that is at right angles to the respective plane. As a result, a geometrically defined positioning is possible even during contacting.
the first ferromagnetic arrangement and / or the second ferromagnetic arrangement has a contact region with an electrical connection have conductive layer.
a current can flow through the electrically conductive layer, for example in the case of a switch.
both the first ferromagnetic arrangement and the second ferromagnetic arrangement each have the contact area and the respective contact areas are in electrical contact with each other to ensure a reliable electrical contact.
At least one of the adjustable positions may be defined as a preferred position, in which preferred position a magnetic flux of the first ferromagnetic assembly and the second ferromagnetic assembly assumes a defined value, preferably an extreme value.
the preferred position may be, for example, the position in which the contacting takes place.
the first ferromagnetic assembly and the second ferromagnetic assembly are aligned with each other, for example, one above the other in alignment or aligned one behind the other.
the first ferromagnetic arrangement and / or the second ferromagnetic arrangement is movable only by applying an external force from the preferred position. Typically, without this external force, the magnetic attraction holds the two ferromagnetic assemblies in the preferred position.
the device comprises at least one sensor for measuring the magnetic interaction, in particular the magnetic flux.
the sensor can be a Hall sensor.
the sensor or the sensors are designed to detect a spatially resolved magnetic interaction. In this way, a check of the set position or even a direction of an induced movement of the movable element can be reliably detected.
the first ferromagnetic assembly and the second ferromagnetic assembly may be in their shape and / or arrangement be at least partially identical. This allows for easier setting of defined positions. Of course, in other embodiments, the shape or arrangement may also be different.
the first ferromagnetic arrangement and / or the second ferromagnetic arrangement comprises at least one permanent magnet and / or an electromagnet, that is to say a magnet which is electrically adjustable in its magnetic field strength.
an electromagnet that is to say a magnet which is electrically adjustable in its magnetic field strength.
the first ferromagnetic arrangement and / or the second ferromagnetic arrangement may have a strip-shaped, curved, annular, rectangular, preferably square, or generally polygonal, curved, preferably sinusoidal or spirally curved, or guided in a zig-zag pattern or shape.
these individual magnets are arranged in the above-mentioned ways, with a single magnet, the course describes the shape of this magnet.
defined course geometries are adjustable, which can be varied depending on the desired application.
first ferromagnetic arrangement or the second ferromagnetic arrangement are composed of a multiplicity of individual magnets, these individual magnets can at least partially each have different field strengths for setting a different degree of magnetic interaction.
first ferromagnetic arrangement and the second ferromagnetic arrangement each have a different strength of magnetic field independently of a number of the magnets used in the arrangements.
Adjustment of the position is typically by a user of the device.
the user can immediately obtain a feedback, for example a haptic feedback by repulsive or attractive magnetic forces, with respect to the set position by the magnetic interaction even after moving.
a feedback for example a haptic feedback by repulsive or attractive magnetic forces
the first ferromagnetic assembly may be guided along a path corresponding to a path or shape of the second ferromagnetic assembly or vice versa.
the movable ferromagnetic assembly can therefore be guided along desired positions, in particular along any desired stable or unstable position.
a switch, a joystick or a rheostat that is an adjustable electrical resistance, comprises a device with the properties described above.
the switch, the joystick or the rheostat can be operated in two ways.
a first mode of operation an elastic retention mechanism is implemented which ensures that the switch, joystick, or rheostat remains in a prime position unless external force is applied thereto. He also returns to this main position as soon as the external force stops.
a second mode of operation includes a stable position function whereby the switch, joystick or rheostat remains in one of the stable positions if it is moved there by a user. Only if the user returns the switch, joystick or rheostat to the main position moves, the device then remains in this main position.
the first or second ferromagnetic assembly is coupled to a knob and / or handle of the switch, joystick, or rheostat used to set any desired position, the other ferromagnetic assembly being immovable to the switch, joystick, or attached to the rheostat.
the knob and / or handle is guided along a path corresponding to the path and / or shape of the other ferromagnetic assembly such that it is guided along the desired stable and unstable positions.
Fig. 1 shows in its upper part a first magnet arrangement 1 and a second magnet arrangement 2 as ferromagnetic arrangements in plan view.
the first magnet arrangement 1 is uniformly curved and has a sinusoidal course with only one period.
the first magnet assembly 1 consists of a single permanent magnet, but may also be composed of a plurality of individual magnets or comprise an electromagnet.
the second magnet arrangement 2 is identical in its shape to the first magnet arrangement 1, and therefore likewise has a sinusoidal profile, which, however, comprises a plurality of periods, that is to say a plurality of oscillations.
the first magnet arrangement 1 thus covers part of the second magnet arrangement 2.
the second magnet arrangement 2 likewise comprises a single permanent magnet, but in other embodiments may also comprise an electromagnet or a plurality of individual magnets which are shaped like the first magnet arrangement 1.
the middle part of the Fig. 1 shows in a side view, the first magnet assembly 1 and the second magnet assembly 2 located below the first magnet assembly 1.
the first magnet assembly 1 has an overhead north pole 3, which is visible in plan view as a single part of the first magnet assembly 1, and an underlying South Pole 4 up.
the second magnet arrangement 2 is poled in exactly the same way as the first magnet arrangement 1.
the north pole 5 of the second magnet arrangement 2 lies at the top and thus faces the first magnet arrangement 1, while the south pole 6 of the second magnet arrangement 2 down, that is on a side facing away from the first magnet assembly 1 side.
the north pole 5 of the second magnet arrangement 2 is visible, provided that it is not covered by the first magnet arrangement 1.
the first magnet assembly 1 and the second magnet assembly 2 thus attract.
the first magnet arrangement 1 and the second magnet arrangement 2 are located in the in Fig. 1 shown embodiment on each other, but may also be spaced apart. In the in Fig. 1 In the embodiment shown, the first magnet arrangement 1 and the second magnet arrangement 2 are coated with a friction-reducing material on the sides facing the respective other magnet arrangement.
the first magnet arrangement 1 forms a movable element of a linear control element which can be moved by a user, while the second magnet arrangement 2 is spatially fixedly arranged within a housing of this control element and consequently represents a spatially fixed element of the control element.
first magnet arrangement 1 and the second magnet arrangement 2 Due to the shape of the first magnet arrangement 1 and the second magnet arrangement 2, there are points in which a spatial overlap, that is to say a surface area of the second magnet arrangement 2 concealed in plan view by the first magnet arrangement 1, is maximal and thus also a magnetic flux between the first Magnet assembly 1 and the second magnet assembly 2 is maximum.
the respective point is referred to as stable position 7, since, depending on the strength of the magnets used for the magnet assemblies 1, 2, a movement away from this point is possible only under external force.
the overlap of the first magnet assembly 1 and the second magnet assembly 2 forms a stable point, for example, because the user of the linear control element is the first magnet assembly 1 has moved, the first magnet assembly 1 is pulled by a magnetic interaction in a further stable position 8, in Fig. 1 is drawn in the lower half. In this case, the first magnet arrangement 1 is now located on a middle part of the second magnet arrangement 2.
a further stable position 9 can be achieved, which in Fig. 1 is shown in the bottom line.
the second magnet assembly 2 may instead of as in the in Fig. 1 illustrated embodiment consist of a single magnet, be composed of several, corresponding in their shape of the first magnet assembly 1 individual magnet.
Fig. 2 is shown in a side view of the first magnet assembly 1 and the underlying second magnet assembly 2. Recurring features are provided with identical reference numerals in this as well as in the following figures.
the second magnet assembly 2 is identical in construction to that in FIG Fig. 1 shown embodiment.
the first magnet arrangement 1 has a relation to that in FIG Fig. 1 embodiment shown reverse magnetic polarity, ie the north pole 3 is now down and the south pole 4 is above. Otherwise, the in Fig. 2 shown first magnet assembly 1 in its construction is equal to the in Fig. 1 shown. Since the north pole 3 of the first magnet arrangement 1 now faces the north pole 5 of the second magnet arrangement 2, there is a magnetic repulsion between the first magnet arrangement 1 and the second magnet arrangement 2.
the first magnet arrangement 1 is guided on a guide 10 which is spatially fixedly arranged in the housing of the linear control element and runs above the first magnet arrangement 1.
the first magnet assembly 1 and the second magnet assembly 2 are in the in Fig. 2 shown embodiment spaced apart.
the guide 10 is polytetrafluoroethylene, which is also referred to as Teflon coated as a friction-reducing material.
a stable position is in the in Fig. 2 shown embodiment characterized by a minimum of the magnetic flux, wherein the two magnet assemblies 1 and 2 are here by means of the guide 10 in an equilibrium.
first magnet assembly 1 and the second magnet assembly 2 in the FIGS. 1 and 2 lie one above the other, in other embodiments, an arrangement may be provided in which the first magnet assembly 1 and the second magnet assembly 2 are adjacent.
FIG. 12 shows a further possible embodiment of the first magnet arrangement 1 and the underlying second magnet arrangement 2 in plan view.
the second magnet arrangement 2 is now strip-shaped with a plurality of protuberances 11 facing away from a longitudinal axis of the strip.
the protuberances 11 are in a left part of the strip equidistantly spaced at a smaller pitch and spaced apart in a right portion of the strip at a greater distance.
the protuberances 11 may of course also be arranged at an irregular distance.
the overlap between the first magnet arrangement 1 resting on the second magnet arrangement 2 and the second magnet arrangement 2 is maximal at one of the protuberances 11 and a first stable position 12 is adjustable.
the first magnet assembly 1 has a shape corresponding to one period of the second magnet assembly 2.
a stable position 22 or a further stable position 23 on the part of the second magnet arrangement 2 can be attached to further of the protuberances 11 be adjusted with increased distances between the protuberances 11.
either the first magnet assembly 1 or the second magnet assembly 2 may be made of a ferromagnetic material and already magnetized or magnetized by the magnet of the other assembly. This can be done for example by a steel strip, which is coated to avoid friction losses with a friction-reducing material such as polytetrafluoroethylene.
Fig. 4 is in one Fig. 3 corresponding top view of the second magnet assembly 2 shown as an arrangement of individual permanent magnets on a strip 13, which is itself not ferromagnetic.
the second magnet assembly 2 is in this case applied in a left part of the strip 13 with constant, uniform distances between the individual magnets, while in the right part, the distances are indeed the same size, but larger than the distances in the left part fail.
the first magnet assembly 1 comprises a permanent magnet identical in shape to the magnets of the second magnet assembly 2, which is movable to a plurality of stable positions. In the stable positions, the first magnet arrangement 1 is flush, ie congruent in plan view, on one of the magnets of the second magnet arrangement 2.
the first magnet assembly 1 may be in a linear movement along a shape of the second magnet assembly 2 in the example in the FIGS. 1 - 4 shown embodiments, so that certain stable position can be achieved during the movement.
FIG Fig. 5 Another embodiment of the second magnet arrangement 2 is shown in FIG Fig. 5 shown.
the individual permanent magnets of the second magnet arrangement 2 are now in different Arrangements applied to the strip 13.
both a curved arrangement of the permanent magnets, as in the right part of the strip 13, as well as a linearly extending arrangement or a zig-zag arrangement in which the magnets run alternately between an upper edge and a lower edge can be selected ,
the first magnet arrangement 1 is guided over the magnets of the second magnet arrangement 2.
One of the magnets of the second magnet arrangement 2 is covered by the magnet of the first magnet arrangement 1, as in the preceding figures.
the first magnet arrangement 1 can be moved along the specific shape of the second magnet arrangement 2 in a multiplicity of possible paths.
Fig. 6 shows the second magnet assembly 2, for example for a knob, as a ring 14 with inwardly directed protuberances 21 in plan view.
the ring 14 is made entirely of ferromagnetic material, so that a larger area for adjusting an enlarged overlap is selectively achieved by the equally large protuberances 21.
On the ring 14, in turn, a circular arc-shaped magnet is guided with a protuberance as the first magnet arrangement 1.
the protuberance of the first magnet arrangement 1 corresponds in its dimensions to the protuberances 21.
Fig. 6 is the first magnet assembly 1 in a first stable position while in Fig. 7 the same ring 14 is shown in a second stable position rotated 45 ° from the first stable position.
the first magnet assembly 1 for example, be part of a knob which is rotated by the user and by the magnetic attraction in the in Fig. 7 shown stable position, in which case it follows the shape of the second magnet assembly 2 by rotation about a central axis of the first magnet assembly 1 and the second magnet assembly 2.
a number of protuberances 21 can be chosen arbitrarily, so in other embodiments instead of eight protuberances 21 also only two protuberances be provided. Likewise, these may also be arranged not only on an inner side of the ring 14 but also on an outer side.
first magnet arrangement 1 can also be used for the second magnet arrangement 2 in other embodiments, and vice versa.
individual magnets used in the first magnet arrangement 1 or in the second magnet arrangement 2 can be of different strength, so that different degrees of attraction can be achieved by the individual magnets.
Fig. 8 shows in plan view two perforated ferromagnetic discs 15 and 16 of a joystick, which serve to indicate a set by the user of the joystick orientation.
the upper disc 15 has a smaller outer diameter than the lower disc 16. An inner diameter is equal in each case.
the lower disc 16 is fixedly connected to a housing of the joystick, while the upper disc 15 can be moved in different directions by a movement of the joystick.
a guide the movement of the disc 16 only along a spatial axis, so for example only allow to the right or to the left.
the upper disc 15 thus serves as the first magnet assembly 1, while the lower disc 16 forms the second magnet assembly 2.
the discs 15 and 16 may also consist of a non-magnetic material and have individual magnets only at certain positions.
the upper disc 15 and the lower disc 16 are due to the design in a defined spatial distance from each other and do not touch.
Fig. 8 shown relative position in which the upper disc 15 and the lower disc 16 are aligned over each other is an attraction between the two discs 15 and 16 maximum, so that the joystick remains in this position as a rest position without confirmation of the user.
the position of the two discs 15 and 16, as shown in Fig. 8 is a first position having a maximum spatial overlap and a maximum magnetic flux. If the user now expends an external force, the upper disc 15 can be moved relative to the lower disc 16. In this case, the user can also receive a haptic feedback about the movement performed by the magnetic interaction.
Fig. 9 is in one Fig.
a sensor 24 for example, a Hall sensor
the magnetic flux can be measured in each adjustable relative position and serve as a measure of a particular position.
four sensors 24 are arranged around the lower disk 16, so that by a combination of the signals of these sensors 24, a position of the upper disk 15 in relation to the lower disk 16 is uniquely determined.
the sensors 24 are here, as in Fig. 9 shown at equal distances from the outer diameter of the lower disc 16 arranged radially thereabout. In each case two of the four sensors 24 are opposite each other.
the upper disc 15 is moved relative to the lower disc 16 such that a larger outer diameter of the upper disc 15 is tangent to a larger outer diameter of the lower disc 16. In this relative position, a second position of maximum overlap and a second maximum of the magnetic flux is achieved.
FIG. 10 is in a FIGS. 8 and 9 corresponding top view of another embodiment of a relative position of the two discs 15 and 16 to each other, at the upper disc 15 from the in Fig. 8 has been moved down.
Fig. 11 the upper disc 15 was shifted to the left in relation to the rest position, in FIG Fig. 12
the upper disc 15 to the right wherein in the position shown here, the overlap is particularly small compared to the position in Fig. 11 is shown.
the upper disc 15 can be moved relative to the lower disc 16 in any direction, for example, as in Fig. 13 shown right above.
Fig. 14 The relative positions of the two discs 15 and 16, as shown in the FIGS. 9 - 12 are shown in Fig. 14 summarized.
the overlap area of each position is in Fig. 14 indicated by a filled with crossed lines area. If the joystick is indexed, the joystick can be moved up, down, right and left. Of course, any intermediate positions between the in the FIGS. 8th and 14 shown positions possible.
the upper disc 15 may be guided in a plane parallel to the disc 16. In further embodiments, the disc 15 may also be guided on a hemisphere.
Positions shown will be a second, from the in Fig. 8 shown position reaches a separate maximum of the magnetic flux.
the first magnet assembly 1 and the second magnet assembly 2 may be in the shape of a cross or stars in the in the FIGS. 8 - 14 be shown embodiments movable.
all stable positions may have the same local maximum of magnetic flux, ie, a force of identical magnitude is needed to perform movement to or from any of these positions. In other embodiments, all stable positions may be defined by different values of the magnetic flux.
Fig. 15 shows in one Fig. 1 corresponding side view a switch.
the first magnet assembly 1 and the second magnet assembly 2 are as in FIG Fig. 1 arranged embodiment, ie, the south pole 4 of the first magnet assembly 1 is the north pole 5 of the second magnet assembly 2 facing.
a circuit board 17 made of an electrically insulating material is attached by gluing.
On the circuit board 17 there are a plurality of contact pads 18 for an electrical circuit.
the contact pads 18 are made of an electrically conductive material and can be interconnected in various combinations to realize different circuits.
the contact pads 18 are coated on their top with a friction reducing material to reduce friction and wear.
the first magnet arrangement 1 is provided with an electrical contact layer 20 on a surface of the south pole 4 facing the north pole 5 of the second magnet arrangement 2.
the first magnet arrangement 1 can be moved over different contact pads 18 and lowered, ie leaving the plane in which she is otherwise moved to be connected to them.
the second magnet arrangement 2 is arranged such that one of the stable positions is in each case such that the first magnet arrangement 1 is attracted to two of the contact pads 18 and thereby enables contacting of the two contact pads 18.
the first magnet arrangement 1 can be removed from this position and moved further by applying an external force.
the first magnet arrangement 1 has in the in Fig. 14 shown embodiment via an electrical contact layer 20 which can be brought in conjunction with at least two of the contact pads 18 so that through the contact pads 18 and the contact layer 20, an electric current can flow.
the contact layer 20 may, of course, also be arranged on the second magnet arrangement 2 in further embodiments.
the first magnet arrangement 1 can also be arranged on a movable blade, which supports the switching, ie the movement in the direction of the second magnet assembly 2.

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Electromagnetism (AREA)
Engineering & Computer Science (AREA)
Power Engineering (AREA)
Mechanical Control Devices (AREA)

EP12464017.8A 2012-09-12 2012-09-12 Dispositif de détection et/ou de réglage d'une position d'un élément mobile du dispositif Active EP2709120B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
EP12464017.8A EP2709120B1 (fr)	2012-09-12	2012-09-12	Dispositif de détection et/ou de réglage d'une position d'un élément mobile du dispositif

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP12464017.8A EP2709120B1 (fr)	2012-09-12	2012-09-12	Dispositif de détection et/ou de réglage d'une position d'un élément mobile du dispositif

Publications (2)

Publication Number	Publication Date
EP2709120A1 true EP2709120A1 (fr)	2014-03-19
EP2709120B1 EP2709120B1 (fr)	2015-06-10

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EP12464017.8A Active EP2709120B1 (fr)	2012-09-12	2012-09-12	Dispositif de détection et/ou de réglage d'une position d'un élément mobile du dispositif

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Citations (2)

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FR2829574A1 (fr) *	2001-09-13	2003-03-14	Siemens Automotive Sa	Capteur de la position d'un objet mobile, sur une trajectoire rectiligne
US20090250576A1 (en) *	2008-04-04	2009-10-08	Cedar Ridge Research Llc	Coded Magnet Structures for Selective Association of Articles

2012
- 2012-09-12 EP EP12464017.8A patent/EP2709120B1/fr active Active

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2829574A1 (fr) *	2001-09-13	2003-03-14	Siemens Automotive Sa	Capteur de la position d'un objet mobile, sur une trajectoire rectiligne
US20090250576A1 (en) *	2008-04-04	2009-10-08	Cedar Ridge Research Llc	Coded Magnet Structures for Selective Association of Articles

Also Published As

Publication number	Publication date
EP2709120B1 (fr)	2015-06-10

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DE10234513A1 (de)	2004-02-12	Verschwenkbares Betätigungselement

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