EP2204719A1 - Joystick comprising Hall sensor and production process - Google Patents

Joystick comprising Hall sensor and production process Download PDF

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Publication number
EP2204719A1
EP2204719A1 EP10150061A EP10150061A EP2204719A1 EP 2204719 A1 EP2204719 A1 EP 2204719A1 EP 10150061 A EP10150061 A EP 10150061A EP 10150061 A EP10150061 A EP 10150061A EP 2204719 A1 EP2204719 A1 EP 2204719A1
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EP
European Patent Office
Prior art keywords
handle
joystick
cup
extension
head
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
EP10150061A
Other languages
German (de)
French (fr)
Other versions
EP2204719B1 (en
Inventor
Jean-Yves Jaouen
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.)
Guillemot Corp
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Guillemot Corp
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Filing date
Publication date
Application filed by Guillemot Corp filed Critical Guillemot Corp
Publication of EP2204719A1 publication Critical patent/EP2204719A1/en
Application granted granted Critical
Publication of EP2204719B1 publication Critical patent/EP2204719B1/en
Active legal-status Critical Current
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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
    • G05G2009/04703—Mounting of controlling member
    • G05G2009/04707—Mounting of controlling member with ball joint
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
    • G05G2009/0474—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks characterised by means converting mechanical movement into electric signals
    • G05G2009/04755—Magnetic sensor, e.g. hall generator, pick-up coil
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making

Definitions

  • the field of the invention is that of interactive entertainment equipment and accessories for microcomputers and game consoles.
  • the invention relates to joysticks, and accessories using a joystick.
  • the term ā€œjoystickā€ includes devices known also as ā€œjoystickā€, as well as similar devices of reduced size, sometimes called ā€œmini-sticksā€, and can be mounted for example on a controller.
  • Joysticks have been known for decades. Schematically, they comprise a base, or a base, on which is mounted a movable handle in two x, y directions, defining a plane parallel to the base, and perpendicular to the neutral Z axis defined by the handle when it is at rest. .
  • Motion detection and measurement means are provided in the base.
  • the movements applied to the handle by a user are detected, then generally converted into digital signals and transmitted wired or non-wired to a data processing device, such as a computer or game console, so that the latter interprets these movements of the handle according to the software used.
  • a magnet is generally placed at the lower end of the handle, and sensors are provided (which can also be distributed in a cross, two along the x-axis and two along the y-axis).
  • the sensors record the variations of the magnetic field, and we deduce the position of the magnet, and therefore that of the handle.
  • the invention relates more particularly to this type of Hall effect joystick.
  • the invention particularly aims to overcome these disadvantages of the prior art.
  • an object of the invention is to provide a Hall effect joystick that is accurate to use.
  • an object of the invention is to provide such a joystick, capable of taking into account small movements of the handle, regardless of the position of the latter.
  • Another object of the invention is to provide such a joystick whose size is relatively small.
  • Yet another object is to provide such a joystick which is simple to assemble, and / or which uses a limited number of parts to be assembled compared to the techniques. known.
  • a joystick comprising a movable handle relative to a base at least in rotation about two axes.
  • said rotation is provided by at least one ball joint comprising two ball elements of substantially the same radius, namely a head and a cup, one of which can pivot about the center of the other.
  • a first of said ball elements is fixed relative to said base and having an opening into which an extension of said handle, and a second of said ball elements is integral with said handle.
  • the extension of said handle also bears, in the vicinity of its lower end, at least one sensor and / or at least one magnet of a Hall effect motion detection assembly.
  • either the head or the cup has an opening into which an extension of said handle penetrates.
  • the "headā€ and the ā€œcupā€ (these terms are used by analogy for example with the field of prostheses) define a patella.
  • either the head is open, so as to allow the movement of the extension of the handle, inside this head; either the cup is open, so as to allow the movement of the extension of the handle, inside this cup.
  • the joystick comprises at least one ball joint comprising two ball elements substantially of the same radius, namely a head and a cup, one being able to pivot about the center of the other, a first of said ball elements being fixed with respect to said base and having an interior space, and a second of said ball elements being integral with said handle, and an extension of said handle enters said interior space, the lower end of said extension of said handle moving in said interior space and carrying at least one sensor and / or at least one magnet of a Hall effect motion detection assembly.
  • the interior space is therefore a free space, inside which the lower end of the handle moves. It is circumscribed in a sphere, defined by the outline of the patella, and in particular the head (in other words, the lower end of the handle moves in a free zone inside the patella, and not under thereof).
  • the lower end of the handle, and the element (or the elements) of detection that it carries, can in particular be placed, at rest, substantially in the center of this sphere (thus in the center of the head) to allow a large deflection .
  • the additional detection element (or elements), fixed relative to the base, can also be housed inside the patella.
  • This structure allows a simple and compact assembly, and an effective measurement of magnetic fields.
  • said base carries a substantially hemispherical cup, and cooperating with a partially spherical head, substantially of the same radius, integral with said handle, said head being pivotable about the center of said cup.
  • Said cup has an opening in its lower part, into which an extension of said handle extends, carrying in the vicinity of its lower end at least one sensor and / or at least one magnet of a Hall effect motion detection assembly.
  • said base carries a partially spherical head, fixed, and cooperating with a substantially hemispherical cup, substantially of the same radius, integral with said handle, said cup being pivotable about the center of said spherical head.
  • Said spherical head has an opening in its upper part, into which an extension of said handle extends, carrying in the vicinity of its lower end at least one sensor and / or at least one magnet of a Hall effect motion detection assembly.
  • said inner space has on the one hand a flared upper portion, whose edges form a stop for said extension, and a substantially cylindrical portion.
  • a rocker piece can be pivotally mounted in said opening on two bearings, to cooperate with said extension.
  • said rocker piece may have an oblong slot extending along an axis defined by said bearings, and into which said extension extends, so as to allow said extension to tilt relative to said rocking piece in the direction of said light.
  • This rocker thus allows two degrees of freedom in rotation. According to one variant, it is possible to use a universal joint, one of whose forks is fixed to the fixed spherical head.
  • first biasing means may be provided, to maintain said cup and said head pressed against each other and / or return said handle to a neutral position.
  • Said first return means can in particular act in compression between said base and a support movable in translation parallel to the neutral axis of said handle, and acting on at least one edge of said cup.
  • said first biasing means act between a lower portion of said base and said movable support.
  • said first biasing means act between an upper portion of said base and said movable support.
  • the edge of said cup may have a flange coming into contact with a shoulder formed on said movable support.
  • this rim may be rounded or inclined relative to the horizontal (or more exactly to the plane (x, y)).
  • the portion of the shoulder which is in contact with this rim may be inclined relative to the horizontal (or more exactly to the (x, y) plane).
  • said first return means comprise a helical spring guided by said mobile support on a substantial portion of the height of the base.
  • Such a spring is preferably prestressed and coaxial with the axis defined by the handle in its neutral position.
  • partial balancing means are provided for the forces exerted by said first return means.
  • Said balancing means may in particular comprise second return means, mounted between said movable support and said base, and for example, if said movable support is mounted on columns parallel to the neutral axis ( neutral z) of said handle, a helical spring mounted on each of said columns.
  • said Hall effect sensor may be a triaxial sensor.
  • said Hall effect sensor is mounted on a printed circuit housed at the bottom of said interior space.
  • the magnet is mounted at the end of the extension of the handle. It is also possible to reverse the positions of the magnet and the sensor.
  • the joystick comprises a single magnet and a single sensor, aligned with the axis of said handle when it is in a neutral position.
  • said handle may be hollow.
  • the invention also relates to joysticks, and more generally to similar accessories, comprising at least one joystick as described above.
  • the invention therefore relates to a new Hall effect joystick, simple to manufacture and having a high accuracy.
  • Such a module according to the invention can also be implemented, if necessary in several copies, on a joystick.
  • the claims relate both to the modules as subsequently described as such, as joysticks, joysticks, or other accessories similar, incorporating one or more modules.
  • the figure 1 schematically presents such a module. It comprises a base, or base element 11, formed of a lower capsule 111, an upper cap 112 and a side wall 113.
  • the caps are for example made of stainless steel.
  • a handle 12 can move relative to the base 11, in the plane x, y. For this, an opening 13 is formed in the upper capsule 112.
  • the axis defined by the handle 12 will subsequently be called the axis. When it is in its rest position, or neutral position, this axis is called z n , or z is neutral . This axis z n is perpendicular to the plane x, y.
  • the module comprises a fixed head 21, on which a cup 22 is supported.
  • This head 21 and this cup 22 form a ball joint, the cup being able to pivot about the center of the head.
  • the head 21 is formed in a part (made for example of polyoxymethylene (POM) filled with Teflon (registered trademark)) having a securing zone 211 with the lower capsule 111, and a connecting zone, for example cylindrical, 217 '. extending between the head itself (that is to say the partially spherical surface on which the cup is supported) and the fastening zone 211.
  • POM polyoxymethylene
  • Teflon registered trademark
  • the fastening zone 211 is secured to the lower cap 111, for example by means of screws 23. It could also be made for example by gluing, or even directly molded or molded onto the lower cap 111.
  • the cup, or cupola, 22 is mounted on the handle 12, so as to control, in the form of rotations, the movements applied by the user to this handle.
  • An extension 25 is formed in the extension of the handle 12, to extend along the z axis, inside the cup 22.
  • the part formed by the handle 12, the cup 22 and the extension 25 may be formed, for example by molding or overmoulding, in the same piece.
  • the handle and its extension may be hollow, which allows in particular the passage of electrical son.
  • This piece can in particular be made of polyamide (PA 45% CFV for example).
  • the head 21 thus has a spherical shape truncated at its upper part, which has a flared opening 213, inside which the extension 25 can penetrate.
  • the dimensions and the edges of this opening 213 can be advantageously adapted to serve as stops. at the extension 25, in the extreme inclination positions of the handle 12.
  • the opening 213 in the head 21 is extended by a substantially cylindrical zone 212, inside which moves the end 251 of the extension 25, which is provided with a magnet 26.
  • the opening 213 and the cylindrical zone 212 define an interior space of the ball (and in this case the head), inside which penetrates the extension 25, so that its end 251 in particular, and therefore the magnet 26, moves inside. of this interior space. It can therefore be seen that the displacement of this magnet 26 takes place inside the head 21, and in particular that the interior space 212 is circumscribed in a sphere defined by the surface of the head 21, when it is fictitiously prolonged. .
  • a Hall sensor 27 which is for example a triaxial sensor, as proposed by Melexis (registered trademark).
  • the Hall effect measuring unit (magnet 26 and sensor 27) is housed inside the ball joint, that is to say the sphere defined by the surface of the head. 21.
  • This Hall effect sensor 27 is mounted on a printed circuit 28, or PCB, secured to the head 21.
  • a printed circuit 28, or PCB secured to the head 21.
  • the presence of a triaxial sensor, or 3D, provides a very good accuracy.
  • the space extending under this printed circuit 28, since the lower capsule 111, is a free space 24, accessible in particular for the adjustments and the calibration of the sensor 27 and / or for the passage of cables.
  • a piece 29 (for example a screw or a cover) can then be brought into this space 24, to seal it.
  • rocker element 210 which allows the handle 12 to rock in the desired directions, but not to rotate around itself, around the z axis.
  • An example of this rocker piece 210, which can also help to prevent height variations of the magnet 26, is more precisely illustrated in FIG. figure 4 .
  • the rocker part 210 furthermore comprises an oblong opening 43 inside which the extension 25 can move, along the axis y.
  • This piece can in particular be made of polyamide (PA 45% CFV for example).
  • this rocker piece could be made substantially differently, always allowing two degrees of freedom in rotation, for example in the form of a universal joint whose one of the forks is fixed to the fixed spherical head and the other at the extension of the handle.
  • the magnet 26 is placed, for example by embedding, at the end 251 of the extension, allows a direct transfer of the movement of the handle, without any mechanical intermediary.
  • the sensor 27 which may be a commercial sensor, delivers a digital signal representative of this position.
  • Biasing means here in the form of a coil spring 214 biased by compression, possible to automatically return the handle 12 in its neutral position (along the axis z n), at least displacement printed thereto.
  • the spring 214 acts on a spring support, hereinafter referred to as a movable support 215 (made for example of polyoxymethylene (POM) loaded with Teflon (registered trademark)), guided in translation in the module, along the axis z n , by example using four columns 216, which can in particular be stainless steel.
  • the spring is placed along these four columns, then constrained in compression by the upper capsule 112. It acts on a lower rim 2151 of the movable support, tending to push the latter down.
  • the movable support 215 also has an upper rim, or shoulder, 2152, which bears on a rim 221 of the cup, extending outward (as opposed to the interior of the cup).
  • the edge 221 of the cup and / or the shoulder 2152 of the movable support may have shapes and surfaces adapted to cooperate together, and tend to return the handle to its neutral position.
  • the cup 22 moves in rotation around the head 21, causing the upward movement of its flange 221, the opposite side to the direction printed on the handle.
  • the rim 221 acts on the shoulder 2152, which tends to raise the mobile support 215, which slides along the columns 216.
  • the spring 214 opposes this displacement.
  • the spring 214 returns the movable support 215 in its rest position. It acts on the cup 22, to bring it also to a rest position, which corresponds to the return to the neutral position of the handle 12.
  • partial balancing means can be added, as illustrated in FIG. figure 7 .
  • partial balancing means refers to means partially compensating the force of the main spring 214, so that the joystick is more flexible near the neutral position, but the resulting force reduces still effectively the handle in neutral position when the user releases it.
  • means for balancing the forces exerted by the main spring 214 in the form of second return means placed between the base 11, and more specifically the lower capsule 111 , and the mobile support 215.
  • These second return means comprise four helical springs (three of which, numbered 71 1 , 71 2 , 71 3 are visible on the figure 7 ) mounted on the four columns 216. According to other implementations, it may be spring blades, or elastic means more generally, adequately placed between the lower capsule 111 and the movable support 215.
  • the secondary springs 71 1 , 71 2 , 71 3 are compressed to the maximum, tending to compensate in whole or in part for the forces exerted on the movable support 215 by the main spring 214.
  • the resultant of the forces applied by this main spring 214 and the opposing secondary springs 71 1 , 71 2 , 71 3 is therefore reduced, with respect to the force of the single mainspring (according to the approach of the figure 2 ). This allows much more flexible movements in the central area, and therefore a better feeling for the user.
  • the springs are chosen so as to provide the desired compromise between comfort (which assumes a relatively low force resultant), and accurate and efficient return to neutral position (which assumes a sufficient force resultant) .
  • a good feeling for the users is the result of a compromise. Users do not necessarily like to have a joystick too soft near its central position, so the balance or the near balance of forces is not necessarily a good compromise. This good compromise will be obtained for example by successive tests, taking into account feedback from a majority of users and / or based on reactions of passionate flight simulation testers.
  • FIG. 5 schematically illustrates an example of assembly method, in the form of a simplified block diagram, showing the main steps.
  • the head 21 is secured (52) to the lower capsule 111, for example by screwing. It was previously possible to pre-equip the lower capsule, in particular with the side wall 113 and the columns 216.
  • the handle 12 equipped with its cup 22 and its extension, on which the magnet 26 has been fixed, for example by clipping and / or gluing, is then put in place (53), so that the cup 22 caps the 21.
  • the end of the extension is placed in the oblong opening of the rocking piece 210, previously mounted on the bearings of the head.
  • the mobile support 215 is put in place (54) on the columns 216, which have previously been mounted, for example by screwing, on the lower capsule 111.
  • This movable support can slide freely along the columns.
  • the shoulder 2152 of this movable support comes into contact with the rim 221 of the cup.
  • the secondary springs 71 1 , 71 2 , 71 3 have been mounted on the columns 216, before setting up the mobile support 215.
  • the spring 214 is then reported (55) on the mobile support 215, and the base (56) is closed with the aid of the upper capsule 112, which is for example screwed onto the columns. This action simultaneously causes the compression of the spring 214.
  • the figure 6 illustrates another embodiment of the invention. Elements similar to the first embodiment are not described in detail.
  • the major difference with this first embodiment is the mounting of the movable support 61 and the spring 62.
  • the spring 62 is compressed between the lower capsule 111 and the movable support 61, which is therefore pushed upwards.
  • this mobile support defines a bearing zone 611, on which rests the edge 631 of the cup 63.
  • the spring acts on the mobile support, and therefore on the cup, so as to bring the latter back into the neutral position, in which the handle 64 extends along the axis z n .
  • the cup defines a fixed receptacle, integral with the base, in which the head bears, integral with the handle.
  • An extension carrying a magnet, respectively a sensor, through the head, to cooperate with a sensor, respectively a magnet, housed at the bottom of the cup.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Position Input By Displaying (AREA)
  • Mechanical Control Devices (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

The joystick has a handle (12) that is moved in relation to a base, and a ball joint with two ball joint elements (21, 22), where one of the ball joint elements is fixed with respect to the base and has an interior space. The other ball joint element is attached to the handle. An extension (25) of the handle penetrates into the interior space, where lower extremity of the extension of the handle is displaced in the interior space. The lower extremity of the extension is provided with a sensor (27) e.g. Hall effect sensor, and/or a magnet (26) of a Hall effect movement detection assembly. An independent claim is also included for a manufacturing process for a joystick.

Description

Le domaine de l'invention est celui des matƩriels et accessoires de loisirs interactifs pour micro-ordinateurs et consoles de jeux.The field of the invention is that of interactive entertainment equipment and accessories for microcomputers and game consoles.

Plus prĆ©cisĆ©ment, l'invention concerne les joysticks, et les accessoires mettant en oeuvre un joystick. Le terme Ā« joystick Ā» englobe notamment les dispositifs connus Ć©galement sous le nom de Ā« manches Ć  balai Ā», ainsi que les dispositifs similaires de taille rĆ©duite, parfois appelĆ©s Ā« mini-sticks Ā», et pouvant ĆŖtre montĆ©s par exemple sur une manette.More specifically, the invention relates to joysticks, and accessories using a joystick. The term "joystick" includes devices known also as "joystick", as well as similar devices of reduced size, sometimes called "mini-sticks", and can be mounted for example on a controller.

Les joysticks sont connus depuis plusieurs dizaines d'annĆ©es. SchĆ©matiquement, ils comprennent une base, ou un socle, sur lequel est montĆ© un manche mobile dans deux directions x, y, dĆ©finissant un plan parallĆØle au socle, et perpendiculaire Ć  l'axe Zneutre dĆ©fini par le manche lorsqu'il est au repos.Joysticks have been known for decades. Schematically, they comprise a base, or a base, on which is mounted a movable handle in two x, y directions, defining a plane parallel to the base, and perpendicular to the neutral Z axis defined by the handle when it is at rest. .

Des moyens de dĆ©tection et de mesure du mouvement sont prĆ©vus dans le socle. Ainsi, les mouvements appliquĆ©s au manche par un utilisateur sont dĆ©tectĆ©s, puis gĆ©nĆ©ralement convertis en des signaux numĆ©riques et transmis par voie filaire ou non-filaire Ć  un dispositif de traitement de donnĆ©es, tel qu'un ordinateur ou une console de jeux, pour que ce dernier interprĆØte ces mouvements du manche en fonction du logiciel utilisĆ©.Motion detection and measurement means are provided in the base. Thus, the movements applied to the handle by a user are detected, then generally converted into digital signals and transmitted wired or non-wired to a data processing device, such as a computer or game console, so that the latter interprets these movements of the handle according to the software used.

Plusieurs techniques de dƩtection du mouvement ont ƩtƩ proposƩes. On utilisait notamment, Ơ l'origine, quatre contacts, distribuƩs en croix selon les axes x et y.Several motion detection techniques have been proposed. In particular, four contacts were initially used, distributed in crosses along the x and y axes.

Il a Ć©galement Ć©tĆ© proposĆ© d'utiliser une dĆ©tection sans contact, en utilisant l'effet Hall. Dans ce cas, on place gĆ©nĆ©ralement un aimant Ć  l'extrĆ©mitĆ© infĆ©rieure du manche, et l'on prĆ©voit des capteurs (qui peuvent ĆŖtre Ć©galement ĆŖtre rĆ©partis en croix, deux selon l'axe x et deux selon l'axe y). Les capteurs relĆØvent les variations du champ magnĆ©tique, et l'on en dĆ©duit la position de l'aimant, et donc celle du manche.It has also been proposed to use non-contact detection, using the Hall effect. In this case, a magnet is generally placed at the lower end of the handle, and sensors are provided (which can also be distributed in a cross, two along the x-axis and two along the y-axis). The sensors record the variations of the magnetic field, and we deduce the position of the magnet, and therefore that of the handle.

L'invention concerne plus particuliĆØrement ce type de joystick Ć  effet Hall.The invention relates more particularly to this type of Hall effect joystick.

Les joysticks Ơ effet Hall connus prƩsentent plusieurs inconvƩnients, parmi lesquels, selon les cas :

  • un nombre de piĆØces Ć  assembler Ć©levĆ©, et un montage complexe, du fait de ce nombre de piĆØces et/ou de maintien temporaire de certaines piĆØces peu aisĆ© avant solidarisation dĆ©finitive, par vissage par exemple ;
  • des jeux mĆ©caniques relativement importants du fait de ce nombre de piĆØces;
  • un rĆ©glage difficile de la position de l'aimant par rapport aux capteurs ;
  • une variation possible de cette position au cours du temps ou lors de certaines actions brusques de l'utilisateur tel qu'un appui sur le manche;
  • une imprĆ©cision de retour en position de repos, ou position neutre, du manche ;
  • un ressenti insuffisant, au voisinage de la position de repos, ou neutre, du manche ;
  • un encombrement relativement important ;
Known Hall effect joysticks have several disadvantages, among which, depending on the case:
  • a number of parts to be assembled high, and a complex assembly, because of this number of parts and / or temporary maintenance of some parts not easy before final connection, for example by screwing;
  • relatively large mechanical games because of this number of parts;
  • a difficult adjustment of the position of the magnet relative to the sensors;
  • a possible variation of this position over time or during certain sudden actions of the user such as a support on the handle;
  • an inaccuracy of return to the rest position, or neutral position, of the handle;
  • insufficient feeling, near the rest position, or neutral, the handle;
  • a relatively large size;

L'invention a notamment pour objectif de pallier ces inconvƩnients de l'art antƩrieur.The invention particularly aims to overcome these disadvantages of the prior art.

Plus prƩcisƩment, selon au moins un mode de rƩalisation, un objectif de l'invention est de fournir un joystick Ơ effet Hall qui soit prƩcis Ơ l'utilisation.More specifically, according to at least one embodiment, an object of the invention is to provide a Hall effect joystick that is accurate to use.

Ainsi, selon au moins un mode de rƩalisation, un objectif de l'invention est de fournir un tel joystick, capable de prendre en compte de petits dƩplacements du manche, quelle que soit la position de ce dernier.Thus, according to at least one embodiment, an object of the invention is to provide such a joystick, capable of taking into account small movements of the handle, regardless of the position of the latter.

Un autre objectif de l'invention, selon au moins un mode de rƩalisation, est de fournir un tel joystick dont l'encombrement est relativement rƩduit.Another object of the invention, according to at least one embodiment, is to provide such a joystick whose size is relatively small.

Encore un autre objectif, selon au moins un mode de rĆ©alisation de l'invention, est de fournir un tel joystick qui soit simple Ć  assembler, et/ou qui utilise un nombre limitĆ© de piĆØces Ć  assembler par rapport aux techniques connues.Yet another object, according to at least one embodiment of the invention, is to provide such a joystick which is simple to assemble, and / or which uses a limited number of parts to be assembled compared to the techniques. known.

Ces objectifs, ainsi que d'autres qui apparaƮtront par la suite, sont atteints Ơ l'aide d'un joystick comprenant un manche mobile par rapport Ơ un socle au moins en rotation autour de deux axes.These objectives, as well as others that will appear later, are achieved using a joystick comprising a movable handle relative to a base at least in rotation about two axes.

Selon l'invention, ladite rotation est assurĆ©e par au moins une rotule comprenant deux Ć©lĆ©ments de rotule sensiblement de mĆŖme rayon, Ć  savoir une tĆŖte et une cupule, l'un pouvant pivoter autour du centre de l'autre. Un premier desdits Ć©lĆ©ments de rotule est fixe par rapport audit socle et prĆ©sentant une ouverture dans laquelle pĆ©nĆØtre un prolongement dudit manche, et un second desdits Ć©lĆ©ments de rotule est solidaire dudit manche. Le prolongement dudit manche porte par ailleurs, au voisinage de son extrĆ©mitĆ© infĆ©rieure, au moins un capteur et/ou au moins un aimant d'un ensemble de dĆ©tection de mouvement par effet Hall.According to the invention, said rotation is provided by at least one ball joint comprising two ball elements of substantially the same radius, namely a head and a cup, one of which can pivot about the center of the other. A first of said ball elements is fixed relative to said base and having an opening into which an extension of said handle, and a second of said ball elements is integral with said handle. The extension of said handle also bears, in the vicinity of its lower end, at least one sensor and / or at least one magnet of a Hall effect motion detection assembly.

Ainsi, soit la tĆŖte, soit la cupule, prĆ©sente une ouverture dans laquelle pĆ©nĆØtre un prolongement dudit manche. La Ā« tĆŖte Ā» et la Ā« cupule Ā» (ces termes sont utilisĆ©s par analogie par exemple avec le domaine des prothĆØses) dĆ©finissent une rotule. Cependant, soit la tĆŖte est ouverte, de faƧon Ć  permettre le dĆ©placement du prolongement du manche, Ć  l'intĆ©rieur de cette tĆŖte; soit la cupule est ouverte, de faƧon Ć  permettre le dĆ©placement du prolongement du manche, Ć  l'intĆ©rieur de cette cupule.Thus, either the head or the cup has an opening into which an extension of said handle penetrates. The "head" and the "cup" (these terms are used by analogy for example with the field of prostheses) define a patella. However, either the head is open, so as to allow the movement of the extension of the handle, inside this head; either the cup is open, so as to allow the movement of the extension of the handle, inside this cup.

En d'autres termes, le joystick comporte au moins une rotule comprenant deux Ć©lĆ©ments de rotule sensiblement de mĆŖme rayon, Ć  savoir une tĆŖte et une cupule, l'un pouvant pivoter autour du centre de l'autre, un premier desdits Ć©lĆ©ments de rotule Ć©tant fixe par rapport audit socle et prĆ©sentant un espace intĆ©rieur, et un second desdits Ć©lĆ©ments de rotule Ć©tant solidaire dudit manche, et un prolongement dudit manche pĆ©nĆØtre dans ledit espace intĆ©rieur, l'extrĆ©mitĆ© infĆ©rieure dudit prolongement dudit manche se dĆ©plaƧant dans ledit espace intĆ©rieur et portant au moins un capteur et/ou au moins un aimant d'un ensemble de dĆ©tection de mouvement par effet Hall.In other words, the joystick comprises at least one ball joint comprising two ball elements substantially of the same radius, namely a head and a cup, one being able to pivot about the center of the other, a first of said ball elements being fixed with respect to said base and having an interior space, and a second of said ball elements being integral with said handle, and an extension of said handle enters said interior space, the lower end of said extension of said handle moving in said interior space and carrying at least one sensor and / or at least one magnet of a Hall effect motion detection assembly.

L'espace intĆ©rieur est donc un espace libre, Ć  l'intĆ©rieur duquel l'extrĆ©mitĆ© infĆ©rieure du manche se dĆ©place. Il est circonscrit dans une sphĆØre, dĆ©finie par le contour de la rotule, et notamment de la tĆŖte (en d'autres termes, l'extrĆ©mitĆ© infĆ©rieure du manche se dĆ©place dans une zone libre Ć  l'intĆ©rieur de la rotule, et non sous celle-ci).The interior space is therefore a free space, inside which the lower end of the handle moves. It is circumscribed in a sphere, defined by the outline of the patella, and in particular the head (in other words, the lower end of the handle moves in a free zone inside the patella, and not under thereof).

L'extrĆ©mitĆ© infĆ©rieure du manche, et l'Ć©lĆ©ment (ou les Ć©lĆ©ments) de dĆ©tection qu'elle porte, peuvent notamment ĆŖtre placĆ©e, au repos, sensiblement au centre de cette sphĆØre (donc au centre de la tĆŖte) pour permettre un dĆ©battement important. L'Ć©lĆ©ment (ou les Ć©lĆ©ments) de dĆ©tection complĆ©mentaires, fixes par rapport au socle, peuvent Ć©galement ĆŖtre logĆ©s Ć  l'intĆ©rieur de la rotule.The lower end of the handle, and the element (or the elements) of detection that it carries, can in particular be placed, at rest, substantially in the center of this sphere (thus in the center of the head) to allow a large deflection . The additional detection element (or elements), fixed relative to the base, can also be housed inside the patella.

Cette structure permet un assemblage simple et compact, et une mesure efficace des champs magnƩtiques.This structure allows a simple and compact assembly, and an effective measurement of magnetic fields.

Selon un premier mode de mise en oeuvre particulier, ledit socle porte une cupule essentiellement hĆ©misphĆ©rique fixe, et coopĆ©rant avec une tĆŖte partiellement sphĆ©rique, sensiblement de mĆŖme rayon, solidaire dudit manche, ladite tĆŖte pouvant pivoter autour du centre de ladite cupule. Ladite cupule prĆ©sente une ouverture dans sa partie infĆ©rieure, dans laquelle pĆ©nĆØtre un prolongement dudit manche, portant au voisinage de son extrĆ©mitĆ© infĆ©rieure au moins un capteur et/ou au moins un aimant d'un ensemble de dĆ©tection de mouvement par effet Hall.According to a first particular embodiment, said base carries a substantially hemispherical cup, and cooperating with a partially spherical head, substantially of the same radius, integral with said handle, said head being pivotable about the center of said cup. Said cup has an opening in its lower part, into which an extension of said handle extends, carrying in the vicinity of its lower end at least one sensor and / or at least one magnet of a Hall effect motion detection assembly.

Selon un second mode de mise en oeuvre particulier, ledit socle porte une tĆŖte partiellement sphĆ©rique, fixe, et coopĆ©rant avec une cupule essentiellement hĆ©misphĆ©rique, sensiblement de mĆŖme rayon, solidaire dudit manche, ladite cupule pouvant pivoter autour du centre de ladite tĆŖte sphĆ©rique. Ladite tĆŖte sphĆ©rique prĆ©sente une ouverture dans sa partie supĆ©rieure, dans laquelle pĆ©nĆØtre un prolongement dudit manche, portant au voisinage de son extrĆ©mitĆ© infĆ©rieure au moins un capteur et/ou au moins un aimant d'un ensemble de dĆ©tection de mouvement par effet Hall.According to a second particular embodiment, said base carries a partially spherical head, fixed, and cooperating with a substantially hemispherical cup, substantially of the same radius, integral with said handle, said cup being pivotable about the center of said spherical head. Said spherical head has an opening in its upper part, into which an extension of said handle extends, carrying in the vicinity of its lower end at least one sensor and / or at least one magnet of a Hall effect motion detection assembly.

Selon un mode de rƩalisation particulier, ledit espace intƩrieur prƩsente d'une part une portion supƩrieure ƩvasƩe, dont les bords forment butƩe pour ledit prolongement, et une portion essentiellement cylindrique.According to a particular embodiment, said inner space has on the one hand a flared upper portion, whose edges form a stop for said extension, and a substantially cylindrical portion.

L'extrƩmitƩ du prolongement se dƩplace donc dans cette portion cylindrique.The end of the extension therefore moves in this cylindrical portion.

Pour assurer un contrĆ“le efficace de ce dĆ©placement, on peut prĆ©voir des moyens spĆ©cifiques assurant une liaison entre les bords de l'ouverture et le prolongement. Notamment, une piĆØce de bascule peut ĆŖtre montĆ©e pivotante dans ladite ouverture sur deux paliers, pour coopĆ©rer avec ledit prolongement.To ensure effective control of this movement, specific means can be provided ensuring a connection between the edges of the opening and the extension. In particular, a rocker piece can be pivotally mounted in said opening on two bearings, to cooperate with said extension.

Dans ce cas, selon un mode de rĆ©alisation particulier, ladite piĆØce de bascule peut prĆ©senter une lumiĆØre oblongue s'Ć©tendant selon un axe dĆ©fini par lesdits paliers, et dans laquelle pĆ©nĆØtre ledit prolongement, de faƧon Ć  permettre un basculement dudit prolongement par rapport Ć  ladite piĆØce de bascule dans la direction de ladite lumiĆØre.In this case, according to a particular embodiment, said rocker piece may have an oblong slot extending along an axis defined by said bearings, and into which said extension extends, so as to allow said extension to tilt relative to said rocking piece in the direction of said light.

Cette bascule autorise ainsi deux degrĆ©s de libertĆ© en rotation. Selon une variante, on peut utiliser un joint de cardan, dont une des fourches est fixĆ©e Ć  la tĆŖte sphĆ©rique fixe.This rocker thus allows two degrees of freedom in rotation. According to one variant, it is possible to use a universal joint, one of whose forks is fixed to the fixed spherical head.

Selon un aspect particulier, des premiers moyens de rappel peuvent ĆŖtre prĆ©vus, pour maintenir ladite cupule et ladite tĆŖte plaquĆ©es l'une contre l'autre et/ou ramener ledit manche dans une position neutre.According to a particular aspect, first biasing means may be provided, to maintain said cup and said head pressed against each other and / or return said handle to a neutral position.

Lesdits premiers moyens de rappel peuvent notamment agir en compression entre ledit socle et un support mobile en translation parallĆØlement Ć  l'axe neutre dudit manche, et agissant sur au moins un bord de ladite cupule.Said first return means can in particular act in compression between said base and a support movable in translation parallel to the neutral axis of said handle, and acting on at least one edge of said cup.

Dans un premier mode de rƩalisation, lesdits premiers moyens de rappel agissent entre une partie infƩrieure dudit socle et ledit support mobile.In a first embodiment, said first biasing means act between a lower portion of said base and said movable support.

Dans un second mode de rƩalisation, lesdits premiers moyens de rappel agissent entre une partie supƩrieure dudit socle et ledit support mobile.In a second embodiment, said first biasing means act between an upper portion of said base and said movable support.

Cette approche permet de bien maintenir la cupule par rapport Ć  la tĆŖte, et de ramener efficacement le manche dans sa position neutre.This approach makes it possible to hold the cup well with respect to the head, and to effectively return the stick to its neutral position.

Dans ce second mode de rƩalisation notamment, le bord de ladite cupule peut prƩsenter un rebord venant en contact avec un Ʃpaulement formƩ sur ledit support mobile.In this second embodiment in particular, the edge of said cup may have a flange coming into contact with a shoulder formed on said movable support.

Pour Ć©viter des blocages Ć©ventuels, ce rebord peut ĆŖtre arrondi ou inclinĆ© par rapport Ć  l'horizontale (ou plus exactement au plan (x,y)). De mĆŖme, pour Ć©viter des blocages Ć©ventuels, la partie de l'Ć©paulement qui est en contact avec ce rebord peut ĆŖtre inclinĆ©e par rapport Ć  l'horizontale (ou plus exactement au plan (x,y)).To avoid possible blockages, this rim may be rounded or inclined relative to the horizontal (or more exactly to the plane (x, y)). Similarly, to avoid possible blockages, the portion of the shoulder which is in contact with this rim may be inclined relative to the horizontal (or more exactly to the (x, y) plane).

Dans un mode de rĆ©alisation particulier, lesdits premiers moyens de rappel comprennent un ressort hĆ©licoĆÆdal guidĆ© par ledit support mobile sur une portion substantielle de la hauteur du socle.In a particular embodiment, said first return means comprise a helical spring guided by said mobile support on a substantial portion of the height of the base.

Un tel ressort est de prƩfƩrence prƩcontraint, et coaxial Ơ l'axe dƩfini par le manche dans sa position neutre.Such a spring is preferably prestressed and coaxial with the axis defined by the handle in its neutral position.

Selon un mode de rƩalisation particulier, on prƩvoit des moyens d'Ʃquilibrage partiel des forces exercƩes par lesdits premiers moyens de rappel.According to a particular embodiment, partial balancing means are provided for the forces exerted by said first return means.

Ces moyens d'Ʃquilibrage, en s'opposant en partie Ơ la force appliquƩe par les premiers moyens de rappel, lorsque le manche se trouve dans la position neutre et au voisinage de celle-ci, permettent d'offrir Ơ l'utilisateur un meilleur ressenti du joystick, dans cette zone centrale nƩcessitant gƩnƩralement une grande prƩcision.These balancing means, partially opposing the force applied by the first return means, when the handle is in the neutral position and in the vicinity thereof, allow to offer the user a better feel of the joystick, in this central area usually requiring great precision.

Lesdits moyens d'Ć©quilibrage peuvent notamment comprendre des seconds moyens de rappel, montĆ©s entre ledit support mobile et ledit socle, et par exemple, si ledit support mobile est montĆ© sur des colonnes parallĆØles Ć  l'axe neutre (zneutre) dudit manche, un ressort hĆ©licoĆÆdal montĆ© sur chacune desdites colonnes.Said balancing means may in particular comprise second return means, mounted between said movable support and said base, and for example, if said movable support is mounted on columns parallel to the neutral axis ( neutral z) of said handle, a helical spring mounted on each of said columns.

Selon un autre aspect particulier de l'invention, ledit capteur Ć  effet Hall peut ĆŖtre un capteur triaxial.According to another particular aspect of the invention, said Hall effect sensor may be a triaxial sensor.

On dispose ainsi d'une bonne prƩcision, dans l'espace, sur la position de l'extrƩmitƩ du manche.There is thus a good accuracy, in space, on the position of the end of the handle.

Selon un mode de rƩalisation de l'invention, ledit capteur Ơ effet Hall est montƩ sur un circuit imprimƩ logƩ au fond dudit espace intƩrieur.According to one embodiment of the invention, said Hall effect sensor is mounted on a printed circuit housed at the bottom of said interior space.

Dans ce cas, l'aimant est montƩ Ơ l'extrƩmitƩ du prolongement du manche.
Il est Ć©galement possible d'inverser les positions de l'aimant et du capteur.In this case, the magnet is mounted at the end of the extension of the handle.
It is also possible to reverse the positions of the magnet and the sensor.

Selon un aspect particulier de l'invention, le joystick comprend un unique aimant et un unique capteur, alignƩs avec l'axe dudit manche lorsque celui-ci est dans une position neutre.According to a particular aspect of the invention, the joystick comprises a single magnet and a single sensor, aligned with the axis of said handle when it is in a neutral position.

On obtient ainsi une trĆØs bonne prĆ©cision de mesure. Cette mesure est en effet directe, sans intermĆ©diaires mĆ©caniques qui pourraient crĆ©er des zones Ā« mortes Ā» de calcul, par exemple Ć  cause de jeux.This gives a very good measurement accuracy. This measurement is indeed direct, without mechanical intermediaries that could create areas "dead" calculation, for example because of games.

Selon un autre aspect de l'invention, ledit manche peut ĆŖtre creux.According to another aspect of the invention, said handle may be hollow.

L'invention concerne Ʃgalement un procƩdƩ de fabrication d'un joystick tel que dƩcrit ci-dessus. Un tel procƩdƩ comprend notamment les Ʃtapes suivantes :

  • obtention d'une partie infĆ©rieure dudit socle, portant ladite tĆŖte ou ladite cupule;
  • mise en place sur ladite tĆŖte de ladite cupule, ou de ladite cupule sur ladite tĆŖte, ledit prolongement pĆ©nĆ©trant dans ledit espace intĆ©rieur ;
  • fermeture dudit socle, par report d'une partie supĆ©rieure dudit socle et solidarisation de cette derniĆØre Ć  ladite partie infĆ©rieure.
The invention also relates to a method of manufacturing a joystick as described above. Such a method notably comprises the following steps:
  • obtaining a lower portion of said base, carrying said head or said cup;
  • placing on said head of said cup, or said cup on said head, said extension penetrating into said interior space;
  • closing said base, by carrying an upper portion of said base and securing the latter to said lower part.

Il peut en outre comprendre au moins certaines des Ć©tapes suivantes:

  • solidarisation dudit prolongement et de ladite tĆŖte, Ć  l'aide d'une piĆØce de bascule;
  • mise en place d'un support mobile venant en contact avec ladite cupule et guidĆ© en coulissement par rapport audit socle;
  • mise en place de moyens de rappel entre ledit socle et ledit support mobile, tendant Ć  ramener ce dernier dans une position dans laquelle ledit manche est dans une position neutre.
It may further include at least some of the following steps:
  • securing said extension and said head, using a rocking piece;
  • placing a movable support that comes into contact with said cup and is slidably guided relative to said base;
  • setting up return means between said base and said movable support, tending to bring the latter into a position in which said handle is in a neutral position.

L'invention concerne Ʃgalement les manettes de jeu, et plus gƩnƩralement les accessoires similaires, comprenant au moins un joystick tel que dƩcrit ci-dessus.The invention also relates to joysticks, and more generally to similar accessories, comprising at least one joystick as described above.

D'autres caractƩristiques et avantages de l'invention apparaƮtront plus clairement Ơ la lecture de la description suivante d'un mode de rƩalisation prƩfƩrentiel de l'invention, donnƩ Ơ titre de simple exemple illustratif et non limitatif, et des dessins annexƩs, parmi lesquels :

  • la figure 1 illustre un exemple de module de joystick selon l'invention, selon un premier mode de rĆ©alisation ;
  • les figures 2 et 3 sont deux vues en coupe, respectivement selon les axes x et y, du module de la figure 1 ;
  • la figure 4 est une vue en perspective de la piĆØce de bascule visible sur les figures 2 et 3 ;
  • la figure 5 prĆ©sente schĆ©matiquement les Ć©tapes principales du montage d'un module tel qu'illustrĆ© par les figures 1 Ć  4 ;
  • la figure 6 illustre, en coupe, un deuxiĆØme mode de rĆ©alisation de l'invention;
  • la figure 7 prĆ©sente un troisiĆØme mode de rĆ©alisation, mettant en oeuvre des ressorts secondaires pour amĆ©liorer le fonctionnement du joystick, notamment au voisinage de la position neutre.
Other features and advantages of the invention will become more apparent clearly on reading the following description of a preferred embodiment of the invention, given by way of a simple illustrative and nonlimiting example, and the appended drawings, among which:
  • the figure 1 illustrates an example of a joystick module according to the invention, according to a first embodiment;
  • the figures 2 and 3 are two cross-sectional views, respectively along the x and y axes, of the module of the figure 1 ;
  • the figure 4 is a perspective view of the toggle piece visible on the figures 2 and 3 ;
  • the figure 5 presents schematically the main steps of the assembly of a module as illustrated by the Figures 1 to 4 ;
  • the figure 6 illustrates, in section, a second embodiment of the invention;
  • the figure 7 presents a third embodiment, implementing secondary springs to improve the operation of the joystick, especially in the vicinity of the neutral position.

L'invention concerne donc un nouveau joystick Ơ effet Hall, simple Ơ fabriquer et prƩsentant une grande prƩcision.The invention therefore relates to a new Hall effect joystick, simple to manufacture and having a high accuracy.

On dĆ©crit par la suite un exemple du systĆØme mĆ©canique de l'invention, sous la forme d'un module que l'on pourra ensuite venir habiller, Ć  l'aide d'Ć©lĆ©ments de design extĆ©rieurs, par exemple, dans le cas d'un Ā« manche Ć  balai Ā», Ć  l'aide d'un socle et d'un habillage ergonomique de la poignĆ©e. Ce socle et cette poignĆ©e peuvent porter diffĆ©rents Ć©lĆ©ments complĆ©mentaires, tels que des moyens d'interface (boutons, actionneurs, potentiomĆØtres, ...), des moyens de traitement et de transmission de signaux, des moyens de restitution de l'information (voyants, vibreurs, retour de force...), des Ć©lĆ©ments de lest, ...An example of the mechanical system of the invention is described below, in the form of a module that can then be dressed, using external design elements, for example, in the case of a "joystick", with a base and an ergonomic handle. This base and this handle can carry various complementary elements, such as interface means (buttons, actuators, potentiometers, ...), signal processing and transmission means, information retrieval means (LEDs , vibrators, return of force ...), elements of ballast, ...

Un tel module selon l'invention peut Ć©galement ĆŖtre mis en place, le cas Ć©chĆ©ant en plusieurs exemplaires, sur une manette de jeux.Such a module according to the invention can also be implemented, if necessary in several copies, on a joystick.

Les revendications concernent aussi bien les modules tels que dƩcrits par la suite en tant que tels, que les joysticks, les manettes, ou d'autres accessoires similaires, incorporant un ou plusieurs modules.The claims relate both to the modules as subsequently described as such, as joysticks, joysticks, or other accessories similar, incorporating one or more modules.

La figure 1 prƩsente schƩmatiquement un tel module. Il comprend un socle, ou ƩlƩment de socle, 11, formƩ d'une capsule infƩrieure 111, d'une capsule supƩrieure 112 et d'une paroi latƩrale 113. Les capsules sont par exemple rƩalisƩes en acier inoxydable.The figure 1 schematically presents such a module. It comprises a base, or base element 11, formed of a lower capsule 111, an upper cap 112 and a side wall 113. The caps are for example made of stainless steel.

Un manche 12 peut se dƩplacer par rapport au socle 11, dans le plan x, y. Pour cela, une ouverture 13 est mƩnagƩe dans la capsule supƩrieure 112.A handle 12 can move relative to the base 11, in the plane x, y. For this, an opening 13 is formed in the upper capsule 112.

On appellera par la suite axe z l'axe dƩfini par le manche 12. Lorsqu'il est dans sa position de repos, ou position neutre, cet axe est appelƩ zn, ou zneutre. Cet axe zn est perpendiculaire au plan x, y.The axis defined by the handle 12 will subsequently be called the axis. When it is in its rest position, or neutral position, this axis is called z n , or z is neutral . This axis z n is perpendicular to the plane x, y.

Comme cela apparaĆ®t sur les vues en coupe des figures 2 et 3, qui correspondent respectivement Ć  des coupes selon deux axes perpendiculaires x et y, le module comprend une tĆŖte fixe 21, sur laquelle prend appui une cupule 22. Cette tĆŖte 21 et cette cupule 22 forment une rotule, la cupule pouvant pivoter autour du centre de la tĆŖte.As it appears on the sectional views of figures 2 and 3 , which respectively correspond to sections along two perpendicular axes x and y, the module comprises a fixed head 21, on which a cup 22 is supported. This head 21 and this cup 22 form a ball joint, the cup being able to pivot about the center of the head.

La tĆŖte 21 est formĆ©e dans une piĆØce (rĆ©alisĆ©e par exemple en polyoxymĆ©thylĆØne (POM) chargĆ©e en TĆ©flon (marque dĆ©posĆ©e)) prĆ©sentant une zone de solidarisation 211 avec la capsule infĆ©rieure 111, et une zone de liaison, par exemple cylindrique, 217 s'Ć©tendant entre la tĆŖte proprement dite (c'est-Ć -dire la surface partiellement sphĆ©rique sur laquelle prend appui la cupule) et la zone de solidarisation 211.The head 21 is formed in a part (made for example of polyoxymethylene (POM) filled with Teflon (registered trademark)) having a securing zone 211 with the lower capsule 111, and a connecting zone, for example cylindrical, 217 '. extending between the head itself (that is to say the partially spherical surface on which the cup is supported) and the fastening zone 211.

La solidarisation de la zone de solidarisation 211 avec la capsule infĆ©rieure 111 est assurĆ©e par exemple Ć  l'aide de vis 23. Elle pourrait Ć©galement ĆŖtre rĆ©alisĆ©e par exemple par collage, voire ĆŖtre directement moulĆ©e ou surmoulĆ©e sur la capsule infĆ©rieure 111.The fastening zone 211 is secured to the lower cap 111, for example by means of screws 23. It could also be made for example by gluing, or even directly molded or molded onto the lower cap 111.

La cupule, ou coupole, 22, est montƩe sur le manche 12, de faƧon Ơ contrƓler, sous la forme de rotations, les dƩplacements appliquƩs par l'utilisateur Ơ ce manche.The cup, or cupola, 22, is mounted on the handle 12, so as to control, in the form of rotations, the movements applied by the user to this handle.

Un prolongement 25 est formƩ dans le prolongement du manche 12, pour s'Ʃtendre selon l'axe z, Ơ l'intƩrieur de la cupule 22.An extension 25 is formed in the extension of the handle 12, to extend along the z axis, inside the cup 22.

La piĆØce formĆ©e par le manche 12, la cupule 22 et le prolongement 25 peut ĆŖtre formĆ©e, par exemple par moulage ou surmoulage, dans une mĆŖme piĆØce. Le manche et son prolongement peuvent ĆŖtre creux, ce qui permet notamment le passage de fils Ć©lectriques.The part formed by the handle 12, the cup 22 and the extension 25 may be formed, for example by molding or overmoulding, in the same piece. The handle and its extension may be hollow, which allows in particular the passage of electrical son.

Cette piĆØce peut notamment ĆŖtre rĆ©alisĆ©e en polyamide (PA 45% CFV par exemple).This piece can in particular be made of polyamide (PA 45% CFV for example).

La tĆŖte 21 prĆ©sente donc une forme sphĆ©rique tronquĆ©e en sa partie supĆ©rieure, qui prĆ©sente une ouverture Ć©vasĆ©e 213, Ć  l'intĆ©rieur de laquelle peut pĆ©nĆ©trer le prolongement 25. Les dimensions et les bords de cette ouverture 213 peuvent ĆŖtre avantageusement adaptĆ©s pour servir de butĆ©es au prolongement 25, dans les positions d'inclinaison extrĆŖme du manche 12.The head 21 thus has a spherical shape truncated at its upper part, which has a flared opening 213, inside which the extension 25 can penetrate. The dimensions and the edges of this opening 213 can be advantageously adapted to serve as stops. at the extension 25, in the extreme inclination positions of the handle 12.

L'ouverture 213 dans la tĆŖte 21 se prolonge par une zone essentiellement cylindrique 212, Ć  l'intĆ©rieur de laquelle se dĆ©place l'extrĆ©mitĆ© 251 du prolongement 25, qui est munie d'un aimant 26. L'ouverture 213 et la zone cylindrique 212 dĆ©finissent un espace intĆ©rieur de la rotule (et en l'occurrence de la tĆŖte), Ć  l'intĆ©rieur duquel pĆ©nĆØtre le prolongement 25, de faƧon que son extrĆ©mitĆ© 251 notamment, et donc l'aimant 26, se dĆ©place Ć  l'intĆ©rieur de cet espace intĆ©rieur. On constate donc que le dĆ©placement de cet aimant 26 s'effectue Ć  l'intĆ©rieur de la tĆŖte 21, et notamment que l'espace intĆ©rieur 212 est circonscrit dans une sphĆØre dĆ©finie par la surface de la tĆŖte 21, lorsqu'on la prolonge fictivement.The opening 213 in the head 21 is extended by a substantially cylindrical zone 212, inside which moves the end 251 of the extension 25, which is provided with a magnet 26. The opening 213 and the cylindrical zone 212 define an interior space of the ball (and in this case the head), inside which penetrates the extension 25, so that its end 251 in particular, and therefore the magnet 26, moves inside. of this interior space. It can therefore be seen that the displacement of this magnet 26 takes place inside the head 21, and in particular that the interior space 212 is circumscribed in a sphere defined by the surface of the head 21, when it is fictitiously prolonged. .

Au fond de la zone 212, est montƩ un capteur 27 Ơ effet Hall, qui est par exemple un capteur triaxial, tel que proposƩ par la SociƩtƩ Melexis (marque dƩposƩe).At the bottom of the zone 212 is mounted a Hall sensor 27, which is for example a triaxial sensor, as proposed by Melexis (registered trademark).

Ainsi, selon ce mode de rĆ©alisation, l'ensemble de mesure par effet Hall (aimant 26 et capteur 27) est logĆ© Ć  l'intĆ©rieur de la rotule, c'est-Ć -dire de la sphĆØre dĆ©finie par la surface de la tĆŖte 21.Thus, according to this embodiment, the Hall effect measuring unit (magnet 26 and sensor 27) is housed inside the ball joint, that is to say the sphere defined by the surface of the head. 21.

Ce capteur Ć  effet Hall 27 est montĆ© sur un circuit imprimĆ© 28, ou PCB, solidarisĆ© Ć  la tĆŖte 21. La prĆ©sence d'un capteur triaxial, ou 3D, permet d'obtenir une trĆØs bonne prĆ©cision.This Hall effect sensor 27 is mounted on a printed circuit 28, or PCB, secured to the head 21. The presence of a triaxial sensor, or 3D, provides a very good accuracy.

Selon un mode de rĆ©alisation avantageux, l'espace s'Ć©tendant sous ce circuit imprimĆ© 28, depuis la capsule infĆ©rieure 111, est un espace libre 24, accessible notamment pour les rĆ©glages et l'Ć©talonnage du capteur 27 et/ou pour le passage de cĆ¢bles. Une piĆØce 29 (par exemple une vis ou un cache) peut ensuite ĆŖtre rapportĆ©e dans cet espace 24, pour l'obturer.According to an advantageous embodiment, the space extending under this printed circuit 28, since the lower capsule 111, is a free space 24, accessible in particular for the adjustments and the calibration of the sensor 27 and / or for the passage of cables. A piece 29 (for example a screw or a cover) can then be brought into this space 24, to seal it.

De faƧon Ć  empĆŖcher le manche 12 de tourner sur lui-mĆŖme, on peut prĆ©voir un Ć©lĆ©ment de bascule 210, qui permet que le manche 12 bascule dans les directions souhaitĆ©es, mais ne tourne pas sur lui-mĆŖme, autour de l'axe z. Un exemple de cette piĆØce de bascule 210, qui peut Ć©galement aider Ć  empĆŖcher des variations de hauteur de l'aimant 26, est plus prĆ©cisĆ©ment illustrĆ©e en figure 4.In order to prevent the handle 12 from rotating on itself, it is possible to provide a rocker element 210, which allows the handle 12 to rock in the desired directions, but not to rotate around itself, around the z axis. . An example of this rocker piece 210, which can also help to prevent height variations of the magnet 26, is more precisely illustrated in FIG. figure 4 .

Elle comprend d'une part deux ouvertures circulaires 41 et 42, aptes Ć  coopĆ©rer avec deux paliers 31, 32, formĆ©s dans la tĆŖte 21. Ces paliers permettent les basculements dans une direction x (si l'on considĆØre que les paliers s'Ć©tendent selon l'axe y).It comprises on the one hand two circular openings 41 and 42, able to cooperate with two bearings 31, 32, formed in the head 21. These bearings allow the tilts in a direction x (if we consider that the bearings extend along the y axis).

Selon cet axe y, la piĆØce de bascule 210 comprend par ailleurs une ouverture oblongue 43, Ć  l'intĆ©rieur de laquelle peut se dĆ©placer le prolongement 25, selon l'axe y.Along this axis y, the rocker part 210 furthermore comprises an oblong opening 43 inside which the extension 25 can move, along the axis y.

Ainsi, grĆ¢ce Ć  cette piĆØce de bascule 210, il est possible de contrĆ“ler le basculement du manche 12 selon les deux axes x et y, et donc dans le plan (x, y), sans que le manche 12 tourne autour de son axe z.Thus, thanks to this piece of rocker 210, it is possible to control the tilting of the handle 12 along the two axes x and y, and thus in the plane (x, y), without the handle 12 rotating about its axis z .

Cette piĆØce peut notamment ĆŖtre rĆ©alisĆ©e en polyamide (PA 45% CFV par exemple).This piece can in particular be made of polyamide (PA 45% CFV for example).

Bien sĆ»r, cette piĆØce de bascule pourrait ĆŖtre rĆ©alisĆ©e de faƧon sensiblement diffĆ©rente, en autorisant toujours deux degrĆ©s de libertĆ© en rotation, par exemple sous la forme d'un joint de cardan dont une des fourches est fixĆ©e Ć  la tĆŖte sphĆ©rique fixe et l'autre au prolongement du manche.Of course, this rocker piece could be made substantially differently, always allowing two degrees of freedom in rotation, for example in the form of a universal joint whose one of the forks is fixed to the fixed spherical head and the other at the extension of the handle.

Le fait que l'aimant 26 est placƩ, par exemple par encastrement, Ơ l'extrƩmitƩ 251 du prolongement, permet un transfert direct du mouvement du manche, sans aucun intermƩdiaire mƩcanique.The fact that the magnet 26 is placed, for example by embedding, at the end 251 of the extension, allows a direct transfer of the movement of the handle, without any mechanical intermediary.

On ne dĆ©taille pas ici le calcul du positionnement de cet aimant, effectuĆ© par le capteur 27, qui est connu en soit. Le capteur 27, qui peut ĆŖtre un capteur du commerce, dĆ©livre un signal numĆ©rique reprĆ©sentatif de cette position.We do not detail here the calculation of the positioning of this magnet, performed by the sensor 27, which is known in itself. The sensor 27, which may be a commercial sensor, delivers a digital signal representative of this position.

On comprend que la structure proposĆ©e, dans laquelle la mesure entre l'aimant 26 et le capteur 27 est directe, sans aucun intermĆ©diaire mĆ©canique, permet d'obtenir une grande prĆ©cision, et notamment de prendre en compte de petits dĆ©placements, et ce quel que soit la position du manche 12. Ceci permet Ć©galement de s'affranchir de la prĆ©sence Ć©ventuelle de zones de calcul dites Ā« mortes Ā», qui pourraient apparaĆ®tre par exemple Ć  cause de jeux.It is understood that the proposed structure, in which the measurement between the magnet 26 and the sensor 27 is direct, without any mechanical intermediary, makes it possible to obtain a high degree of accuracy, and in particular to take account of small displacements, and that whatever or the position of the handle 12. This also eliminates the possible presence of calculation zones called "dead", which could appear for example because of games.

Des moyens de rappel, ici sous la forme d'un ressort hĆ©licoĆÆdal 214 prĆ©contraint en compression, permettent de ramener automatiquement le manche 12 dans sa position neutre (selon l'axe zn), au moindre dĆ©placement imprimĆ© Ć  ce dernier.Biasing means, here in the form of a coil spring 214 biased by compression, possible to automatically return the handle 12 in its neutral position (along the axis z n), at least displacement printed thereto.

Le ressort 214 agit sur un support de ressort, appelĆ© par la suite support mobile 215 (rĆ©alisĆ© par exemple en polyoxymĆ©thylĆØne (POM) chargĆ©e en TĆ©flon (marque dĆ©posĆ©e)), guidĆ© en translation dans le module, selon l'axe zn, par exemple Ć  l'aide de quatre colonnes 216, qui peuvent notamment ĆŖtre en acier inox. Le ressort est placĆ© le long de ces quatre colonnes, puis contraint en compression par la capsule supĆ©rieure 112. Il agit sur un rebord infĆ©rieur 2151 du support mobile, tendant Ć  repousser ce dernier vers le bas.The spring 214 acts on a spring support, hereinafter referred to as a movable support 215 (made for example of polyoxymethylene (POM) loaded with Teflon (registered trademark)), guided in translation in the module, along the axis z n , by example using four columns 216, which can in particular be stainless steel. The spring is placed along these four columns, then constrained in compression by the upper capsule 112. It acts on a lower rim 2151 of the movable support, tending to push the latter down.

Le support mobile 215 prƩsente par ailleurs un rebord supƩrieur, ou Ʃpaulement, 2152, qui vient en appui sur un rebord 221 de la cupule, s'Ʃtendant vers l'extƩrieur (par opposition Ơ l'intƩrieur de la cupule). Le rebord 221 de la cupule et/ou l'Ʃpaulement 2152 du support mobile peuvent prƩsenter des formes et des surfaces adaptƩes pour coopƩrer ensemble, et tendre Ơ ramener le manche dans sa position neutre.The movable support 215 also has an upper rim, or shoulder, 2152, which bears on a rim 221 of the cup, extending outward (as opposed to the interior of the cup). The edge 221 of the cup and / or the shoulder 2152 of the movable support may have shapes and surfaces adapted to cooperate together, and tend to return the handle to its neutral position.

On comprend en effet que, lorsque le manche 12 est inclinĆ© dans une direction, la cupule 22 se dĆ©place en rotation autour de la tĆŖte 21, entraĆ®nant le dĆ©placement vers le haut de son rebord 221, du cĆ“tĆ© opposĆ© Ć  la direction imprimĆ©e au manche. Le rebord 221 agit sur l'Ć©paulement 2152, ce qui tend Ć  relever le support mobile 215, qui coulisse le long des colonnes 216.It is understood that, when the handle 12 is inclined in one direction, the cup 22 moves in rotation around the head 21, causing the upward movement of its flange 221, the opposite side to the direction printed on the handle. The rim 221 acts on the shoulder 2152, which tends to raise the mobile support 215, which slides along the columns 216.

Le ressort 214 s'oppose Ć  ce dĆ©placement. Ainsi, dĆØs que l'utilisateur lĆ¢che le manche, le ressort 214 ramĆØne le support mobile 215 dans sa position de repos. Celui-ci agit sur la cupule 22, pour la ramener Ć©galement dans une position de repos, qui correspond au retour dans la position neutre du manche 12.The spring 214 opposes this displacement. Thus, as soon as the user releases the handle, the spring 214 returns the movable support 215 in its rest position. It acts on the cup 22, to bring it also to a rest position, which corresponds to the return to the neutral position of the handle 12.

Pour limiter l'usure entre l'Ʃpaulement 2152 et le rebord 221 de la cupule, on peut par exemple prƩvoir de surmouler une tƓle sur l'Ʃpaulement 2152 (cette tƓle Ʃtant placƩe entre l'Ʃpaulement 2152 et le rebord 221).To limit the wear between the shoulder 2152 and the rim 221 of the cup, it is possible for example to overmold a sheet on the shoulder 2152 (this sheet being placed between the shoulder 2152 and the flange 221).

Dans certains cas, il peut ĆŖtre souhaitable d'offrir un meilleur ressenti, ou meilleur Ā« feeling Ā», Ć  l'utilisateur d'un tel joystick, autour de la position neutre du manche, c'est-Ć -dire lorsque le manche se trouve dans des positions proches de cette position neutre. En effet, cette position neutre, ou position centrale, requiert gĆ©nĆ©ralement une grande prĆ©cision.In some cases, it may be desirable to offer a better feeling, or better "feeling", to the user of such a joystick, around the neutral position of the handle, that is to say when the handle is found in positions close to this neutral position. Indeed, this neutral position, or central position, generally requires great precision.

Pour cela, on peut ajouter des moyens d'Ć©quilibrage partiel, comme illustrĆ© en figure 7. Comme prĆ©cisĆ© par la suite, l'expression Ā« moyens d'Ć©quilibrage partiel Ā» fait rĆ©fĆ©rence Ć  des moyens compensant partiellement la force du ressort principal 214, de sorte que le joystick soit plus souple prĆØs de la position neutre, mais que la force rĆ©sultante ramĆØne quand mĆŖme efficacement le manche en position neutre lorsque l'utilisateur le lĆ¢che.For this, partial balancing means can be added, as illustrated in FIG. figure 7 . As explained below, the expression "partial balancing means" refers to means partially compensating the force of the main spring 214, so that the joystick is more flexible near the neutral position, but the resulting force reduces still effectively the handle in neutral position when the user releases it.

Le joystick reprƩsentƩ sur cette figure 7 est similaire Ơ celui de la figure 2, et les ƩlƩments communs, dƩcrits ci-dessus, ne sont pas commentƩs Ơ nouveau.The joystick represented on this figure 7 is similar to that of the figure 2 , and the common elements, described above, are not commented again.

Selon ce mode de rƩalisation, on prƩvoit des moyens d'Ʃquilibrage des forces exercƩes par le ressort principal 214 (ou premiers moyens de rappel), sous la forme de seconds moyens de rappel placƩs entre le socle 11, et plus prƩcisƩment la capsule infƩrieure 111, et le support mobile 215.According to this embodiment, there are provided means for balancing the forces exerted by the main spring 214 (or first return means), in the form of second return means placed between the base 11, and more specifically the lower capsule 111 , and the mobile support 215.

Ces seconds moyens de rappel comprennent quatre ressorts hĆ©licoĆÆdaux (dont trois, numĆ©rotĆ©s 711, 712, 713 sont visibles sur la figure 7) montĆ©s sur les quatre colonnes 216. Selon d'autres mises en oeuvre, il peut s'agir de lames ressort, ou de moyens Ć©lastiques de faƧon plus gĆ©nĆ©rale, placĆ©s de faƧon adĆ©quate entre la capsule infĆ©rieure 111 et le support mobile 215.These second return means comprise four helical springs (three of which, numbered 71 1 , 71 2 , 71 3 are visible on the figure 7 ) mounted on the four columns 216. According to other implementations, it may be spring blades, or elastic means more generally, adequately placed between the lower capsule 111 and the movable support 215.

Lorsque le manche 12 est inclinĆ©, par exemple par une rotation autour de la tĆŖte de rotule selon la flĆØche 72, le support mobile 215 s'Ć©loigne de la capsule infĆ©rieure 111, suivant la flĆØche 73. Ce dĆ©placement entraĆ®ne la compression du ressort principal 214. Les ressorts secondaires 711, 712, 713 sont alors dĆ©tendus et ont peu d'influence.When the handle 12 is inclined, for example by a rotation around the ball head according to the arrow 72, the movable support 215 moves away from the lower capsule 111, according to the arrow 73. This displacement causes the compression of the main spring 214. The secondary springs 71 1 , 71 2 , 71 3 are then relaxed and have little influence.

En revanche, en zone centrale (c'est-Ơ-dire Ơ proximitƩ de la position de repos), les ressorts secondaires 711, 712, 713 sont comprimƩs au maximum, tendant Ơ compenser en tout ou en partie les forces exercƩes sur le support mobile 215 par le ressort principal 214. La rƩsultante des forces appliquƩes par ce ressort principal 214 et les ressorts secondaires 711, 712, 713 qui s'opposent est donc rƩduite, par rapport Ơ la force du seul ressort principal (selon l'approche de la figure 2). Ceci permet des mouvements beaucoup plus souples dans la zone centrale, et donc un meilleur ressenti pour l'utilisateur.On the other hand, in the central zone (that is to say near the rest position), the secondary springs 71 1 , 71 2 , 71 3 are compressed to the maximum, tending to compensate in whole or in part for the forces exerted on the movable support 215 by the main spring 214. The resultant of the forces applied by this main spring 214 and the opposing secondary springs 71 1 , 71 2 , 71 3 is therefore reduced, with respect to the force of the single mainspring (according to the approach of the figure 2 ). This allows much more flexible movements in the central area, and therefore a better feeling for the user.

Les ressorts (ressort principal et ressorts secondaires) sont choisis de faƧon Ơ fournir le compromis souhaitƩ entre le confort (qui suppose une rƩsultante des forces relativement faible), et un retour prƩcis et efficace en position neutre (qui suppose une rƩsultante des forces suffisante). Un bon ressenti pour les utilisateurs est le rƩsultat d'un compromis. Les utilisateurs n'apprƩcient pas forcƩment d'avoir un joystick trop souple Ơ proximitƩ de sa position centrale, donc l'Ʃquilibre ou le quasi-Ʃquilibre des forces n'est pas forcƩment un bon compromis. Ce bon compromis sera par exemple obtenu par des essais successifs, en tenant compte de retours d'une majoritƩ d'utilisateurs et/ou en fonction de rƩactions de testeurs passionnƩs de simulation de vol.The springs (main spring and secondary springs) are chosen so as to provide the desired compromise between comfort (which assumes a relatively low force resultant), and accurate and efficient return to neutral position (which assumes a sufficient force resultant) . A good feeling for the users is the result of a compromise. Users do not necessarily like to have a joystick too soft near its central position, so the balance or the near balance of forces is not necessarily a good compromise. This good compromise will be obtained for example by successive tests, taking into account feedback from a majority of users and / or based on reactions of passionate flight simulation testers.

L'assemblage d'un tel joystick est relativement aisƩ, notamment par rapport aux techniques connues. La figure 5 illustre schƩmatiquement un exemple de procƩdƩ d'assemblage, sous la forme d'un synoptique simplifiƩ, prƩsentant les Ʃtapes principales.The assembly of such a joystick is relatively easy, especially compared to known techniques. The figure 5 schematically illustrates an example of assembly method, in the form of a simplified block diagram, showing the main steps.

Ainsi, on assemble (51) tout d'abord le PCB 28, sur lequel on a prĆ©alablement soudĆ© le capteur 27 et les cĆ¢bles Ć©lectriques nĆ©cessaires) sur la tĆŖte 21, dans un logement prĆ©vu Ć  cet effet. La solidarisation peut se faire par exemple par clippage et/ou collage. Les cĆ¢bles Ć©lectriques sont placĆ©s dans l'espace ouvert sous le PCB.Thus, first assembled (51) the PCB 28, on which was previously welded the sensor 27 and the necessary electrical cables) on the head 21, in a housing provided for this purpose. The fastening can be done for example by clipping and / or bonding. Electrical cables are placed in the open space under the PCB.

Ensuite, la tĆŖte 21 est solidarisĆ©e (52) Ć  la capsule infĆ©rieure 111, par exemple par vissage. On a pu, au prĆ©alable, prĆ©-Ć©quiper la capsule infĆ©rieure, notamment avec la paroi latĆ©rale 113 et les colonnes 216.Then, the head 21 is secured (52) to the lower capsule 111, for example by screwing. It was previously possible to pre-equip the lower capsule, in particular with the side wall 113 and the columns 216.

Le manche 12, Ć©quipĆ© de sa cupule 22 et de son prolongement, sur lequel l'aimant 26 a Ć©tĆ© fixĆ©, par exemple par clippage et/ou collage, est ensuite mis en place (53), de faƧon que la cupule 22 coiffe la tĆŖte 21. L'extrĆ©mitĆ© du prolongement est placĆ©e dans l'ouverture oblongue de la piĆØce de bascule 210, prĆ©alablement montĆ©e sur les paliers de la tĆŖte.The handle 12, equipped with its cup 22 and its extension, on which the magnet 26 has been fixed, for example by clipping and / or gluing, is then put in place (53), so that the cup 22 caps the 21. The end of the extension is placed in the oblong opening of the rocking piece 210, previously mounted on the bearings of the head.

Puis l'on met en place (54) le support mobile 215, sur les colonnes 216, qui ont prƩalablement ƩtƩ montƩes, par exemple par vissage, sur la capsule infƩrieure 111. Ce support mobile peut coulisser librement le long des colonnes. L'Ʃpaulement 2152 de ce support mobile vient en contact avec le rebord 221 de la cupule. Dans le cas d'un joystick selon la figure 7, on a bien sƻr montƩ les ressorts secondaires 711, 712, 713 sur les colonnes 216, avant de mettre en place le support mobile 215.Then the mobile support 215 is put in place (54) on the columns 216, which have previously been mounted, for example by screwing, on the lower capsule 111. This movable support can slide freely along the columns. The shoulder 2152 of this movable support comes into contact with the rim 221 of the cup. In the case of a joystick according to the figure 7 of course, the secondary springs 71 1 , 71 2 , 71 3 have been mounted on the columns 216, before setting up the mobile support 215.

On rapporte alors (55) le ressort 214 sur le support mobile 215, et l'on ferme (56) le socle, Ơ l'aide de la capsule supƩrieure 112, qui est par exemple vissƩe sur les colonnes. Cette action entraƮne simultanƩment la compression du ressort 214.The spring 214 is then reported (55) on the mobile support 215, and the base (56) is closed with the aid of the upper capsule 112, which is for example screwed onto the columns. This action simultaneously causes the compression of the spring 214.

On pourra ensuite effectuer les rƩglages et Ʃtalonnages du capteur, puis rapporter sur l'ensemble ainsi obtenu l'habillage et les fonctions complƩmentaires nƩcessaires en fonction des applications.We can then perform the settings and calibrations of the sensor, then report on all so obtained the dressing and additional functions required depending on applications.

La figure 6 illustre un autre mode de rƩalisation de l'invention. Les ƩlƩments similaires au premier mode de rƩalisation ne sont pas dƩcrits en dƩtail. La diffƩrence majeure avec ce premier mode de rƩalisation est le montage du support mobile 61 et du ressort 62. Selon cette approche, le ressort 62 est comprimƩ entre la capsule infƩrieure 111 et le support mobile 61, qui est donc repoussƩ vers le haut. Dans ce cas, ce support mobile dƩfinit une zone d'appui 611, sur laquelle repose le bord 631 de la cupule 63.The figure 6 illustrates another embodiment of the invention. Elements similar to the first embodiment are not described in detail. The major difference with this first embodiment is the mounting of the movable support 61 and the spring 62. According to this approach, the spring 62 is compressed between the lower capsule 111 and the movable support 61, which is therefore pushed upwards. In this case, this mobile support defines a bearing zone 611, on which rests the edge 631 of the cup 63.

On comprend que, de la mĆŖme faƧon que prĆ©cĆ©demment, le ressort agit sur le support mobile, et donc sur la cupule, de faƧon Ć  ramener cette derniĆØre dans la position neutre, dans laquelle le manche 64 s'Ć©tend selon l'axe zn.It is understood that, in the same way as above, the spring acts on the mobile support, and therefore on the cup, so as to bring the latter back into the neutral position, in which the handle 64 extends along the axis z n .

Selon d'autres variantes de l'invention, il est possible d'inverser la cupule et la tĆŖte. Dans ce cas, la cupule dĆ©finit un rĆ©ceptacle fixe, solidaire du socle, dans lequel vient prendre appui la tĆŖte, solidaire du manche. Un prolongement, portant un aimant, respectivement un capteur, traverse la tĆŖte, pour coopĆ©rer avec un capteur, respectivement un aimant, logĆ© au fond de la cupule.According to other variants of the invention, it is possible to invert the cup and the head. In this case, the cup defines a fixed receptacle, integral with the base, in which the head bears, integral with the handle. An extension, carrying a magnet, respectively a sensor, through the head, to cooperate with a sensor, respectively a magnet, housed at the bottom of the cup.

Claims (15)

Joystick comprenant un manche mobile par rapport Ć  un socle au moins en rotation autour de deux axes,
caractĆ©risĆ© en ce que ledit joystick comporte au moins une rotule comprenant deux Ć©lĆ©ments de rotule sensiblement de mĆŖme rayon, Ć  savoir une tĆŖte et une cupule, l'un des Ć©lĆ©ments pouvant pivoter autour du centre de l'autre Ć©lĆ©ment,
un premier desdits ƩlƩments de rotule Ʃtant fixe par rapport audit socle et prƩsentant un espace intƩrieur, et un second desdits ƩlƩments de rotule Ʃtant solidaire dudit manche,
et en ce qu'un prolongement dudit manche pĆ©nĆØtre dans ledit espace intĆ©rieur, l'extrĆ©mitĆ© infĆ©rieure dudit prolongement dudit manche se dĆ©plaƧant dans ledit espace intĆ©rieur et portant au moins un capteur et/ou au moins un aimant d'un ensemble de dĆ©tection de mouvement par effet Hall.Joystick comprising a handle movable relative to a base at least in rotation about two axes,
characterized in that said joystick comprises at least one ball joint comprising two ball elements of substantially the same radius, namely a head and a cup, one of the elements being able to pivot around the center of the other element,
a first of said ball elements being fixed relative to said base and having an interior space, and a second of said ball elements being integral with said handle,
and in that an extension of said shaft penetrates into said interior space, the lower end of said extension of said shaft moving in said interior space and carrying at least one sensor and / or at least one magnet of a motion detection assembly by Hall effect. Joystick selon la revendication 1, caractĆ©risĆ© en ce que ladite tĆŖte est une tĆŖte partiellement sphĆ©rique et fixe, portĆ©e par ledit socle, et en ce que ladite cupule est essentiellement hĆ©misphĆ©rique et solidaire dudit manche, ladite cupule pouvant pivoter autour du centre de ladite tĆŖte sphĆ©rique,
et en ce que ladite tĆŖte sphĆ©rique prĆ©sente une ouverture dans sa partie supĆ©rieure, par laquelle ledit prolongement dudit manche pĆ©nĆØtre dans ledit espace intĆ©rieur.Joystick according to claim 1, characterized in that said head is a partially spherical and fixed head, carried by said base, and in that said cup is essentially hemispherical and integral with said handle, said cup being able to pivot about the center of said spherical head ,
and in that said spherical head has an opening in its upper part, whereby said extension of said handle enters said interior space. Joystick selon l'une quelconque des revendications 1 et 2, caractĆ©risĆ© en ce que ledit espace intĆ©rieur prĆ©sente d'une part une portion supĆ©rieure Ć©vasĆ©e, dont les bords forment butĆ©e pour ledit prolongement, et une portion essentiellement cylindrique.Joystick according to any one of claims 1 and 2, characterized in that said inner space has on the one hand a flared upper portion, whose edges form a stop for said extension, and a substantially cylindrical portion. Joystick selon l'une quelconque des revendications 1 Ć  3, caractĆ©risĆ© en ce qu'il comprend une piĆØce de bascule montĆ©e pivotante dans ledit espace intĆ©rieur sur deux paliers, et coopĆ©rant avec ledit prolongement.Joystick according to any one of claims 1 to 3, characterized in that it comprises a pivoting piece pivotally mounted in said inner space on two bearings, and cooperating with said extension. Joystick selon la revendication 4, caractĆ©risĆ© en ce que ladite piĆØce de bascule prĆ©sente une lumiĆØre oblongue s'Ć©tendant selon un axe dĆ©fini par lesdits paliers, et dans laquelle pĆ©nĆØtre ledit prolongement, de faƧon Ć  permettre un basculement dudit prolongement par rapport Ć  ladite piĆØce de bascule dans la direction de ladite lumiĆØre.Joystick according to claim 4, characterized in that said rocker piece has an oblong slot extending along an axis defined by said bearings, and into which said extension extends, so as to allow a tilting said extension relative to said rocker piece in the direction of said light. Joystick selon l'une quelconque des revendications 1 Ć  5, caractĆ©risĆ© en ce qu'il comprend des premiers moyens de rappel destinĆ©s Ć  maintenir ladite cupule et ladite tĆŖte plaquĆ©es l'une contre l'autre et/ou Ć  ramener ledit manche dans une position neutre.Joystick according to any one of claims 1 to 5, characterized in that it comprises first return means for maintaining said cup and said head pressed against each other and / or to bring said handle back to a position neutral. Joystick selon la revendication 6, caractĆ©risĆ© en ce que lesdits premiers moyens de rappel agissent en compression entre ledit socle et un support mobile en translation parallĆØlement Ć  l'axe neutre dudit manche, et agissant sur au moins un bord de ladite cupule.Joystick according to claim 6, characterized in that said first return means act in compression between said base and a support movable in translation parallel to the neutral axis of said handle, and acting on at least one edge of said cup. Joystick selon la revendication 7, caractĆ©risĆ© en ce que lesdits premiers moyens de rappel comprennent un ressort hĆ©licoĆÆdal guidĆ© par ledit support mobile sur une portion substantielle de la hauteur du socle.Joystick according to claim 7, characterized in that said first return means comprise a helical spring guided by said mobile support on a substantial portion of the height of the base. Joystick selon l'une quelconque des revendications 6 Ć  8, caractĆ©risĆ© en ce qu'il comprend des moyens d'Ć©quilibrage partiel des forces exercĆ©es par lesdits premiers moyens de rappel.Joystick according to any one of claims 6 to 8, characterized in that it comprises means for partially balancing the forces exerted by said first biasing means. Joystick selon la revendication 9, caractĆ©risĆ© en ce que lesdits moyens d'Ć©quilibrage comprennent des seconds moyens de rappel, montĆ©s entre ledit support mobile et ledit socle.Joystick according to claim 9, characterized in that said balancing means comprise second return means, mounted between said movable support and said base. Joystick selon la revendication 10, caractĆ©risĆ© en ce que ledit support mobile est montĆ© sur des colonnes parallĆØles Ć  l'axe neutre dudit manche, et en ce que lesdits seconds moyens de rappel comprennent un ressort hĆ©licoĆÆdal sur chacune desdites colonnes.Joystick according to claim 10, characterized in that said movable support is mounted on columns parallel to the neutral axis of said handle, and in that said second return means comprise a helical spring on each of said columns. Joystick selon l'une quelconque des revendications 1 Ć  11, caractĆ©risĆ© en ce que ledit capteur Ć  effet Hall est un capteur triaxial.Joystick according to any one of claims 1 to 11, characterized in that said Hall effect sensor is a triaxial sensor. Joystick selon l'une quelconque des revendications 1 Ć  12, caractĆ©risĆ© en ce que ledit capteur Ć  effet Hall est montĆ© sur un circuit imprimĆ© logĆ© au fond dudit espace intĆ©rieur.Joystick according to any one of claims 1 to 12, characterized in that said Hall effect sensor is mounted on a printed circuit housed at the bottom of said interior space. ProcĆ©dĆ© de fabrication d'un joystick selon l'une quelconque des revendications 1 Ć  13, caractĆ©risĆ© en ce qu'il comprend les Ć©tapes suivantes : - obtention d'une partie infĆ©rieure dudit socle, portant ladite tĆŖte ou ladite cupule ; - mise en place sur ladite tĆŖte de ladite cupule, ou de ladite cupule sur ladite tĆŖte, ledit prolongement pĆ©nĆ©trant dans ledit espace intĆ©rieur ; - fermeture dudit socle, par report d'une partie supĆ©rieure dudit socle et solidarisation de cette derniĆØre Ć  ladite partie infĆ©rieure. Method for manufacturing a joystick according to any one of claims 1 to 13, characterized in that it comprises the following steps: - Obtaining a lower portion of said base, carrying said head or said cup; placing on said head of said cup, or said cup on said head, said extension penetrating into said interior space; - Closing said base, by carrying an upper portion of said base and securing the latter to said lower part. Manette de jeu, caractĆ©risĆ©e en ce qu'elle comprend au moins un joystick selon l'une quelconque des revendications 1 Ć  13.Joystick, characterized in that it comprises at least one joystick according to any one of claims 1 to 13.
EP10150061.9A 2009-01-05 2010-01-04 Joystick comprising Hall sensor and production process. Active EP2204719B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0950025A FR2940846B1 (en) 2009-01-05 2009-01-05 DEVICE FOR DETECTING THE MOTION OF A HALL EFFECT SHAFT, MANUFACTURING METHOD AND HANDLE THEREFOR

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EP2204719A1 true EP2204719A1 (en) 2010-07-07
EP2204719B1 EP2204719B1 (en) 2018-04-04

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Also Published As

Publication number Publication date
US20100173711A1 (en) 2010-07-08
FR2940846A1 (en) 2010-07-09
EP2204719B1 (en) 2018-04-04
FR2940846B1 (en) 2011-03-18

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