EP3291024B1 - Display module comprising elements movable around deformable links, associated display system and timepiece comprising such a display system - Google Patents
Display module comprising elements movable around deformable links, associated display system and timepiece comprising such a display system Download PDFInfo
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- EP3291024B1 EP3291024B1 EP17189057.7A EP17189057A EP3291024B1 EP 3291024 B1 EP3291024 B1 EP 3291024B1 EP 17189057 A EP17189057 A EP 17189057A EP 3291024 B1 EP3291024 B1 EP 3291024B1
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- display
- frame
- display module
- members
- button
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Images
Classifications
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
- G04B19/06—Dials
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
- G04B19/02—Back-gearing arrangements between gear train and hands
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
- G04B45/0023—Inscriptions or pictures moved by the clockwork, e.g. for advertising
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/40—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character is selected from a number of characters arranged one beside the other, e.g. on a common carrier plate
Definitions
- the invention relates to the general field of microtechnology and in particular to the manufacture of parts by silicon etching.
- the invention relates more particularly to a mechanical display module comprising a plurality of display elements movable relative to one another around at least one deformable connection, comprising in particular flexible blade (s).
- the invention also relates to a display system comprising at least one said display module as previously mentioned as well as a timepiece comprising such a display system.
- the display module and the display device of the invention find a particular application in the watchmaking industry, in particular for producing dials for watches or animated clocks.
- Analogue display systems in particular with hands, have been known and have been used for decades in a multitude of applications in order to provide a direct indication, for example on a graduated scale, a dial or other system for representing a value of d. 'a physical quantity such as speed, temperature, pressure, intensity, voltage or electrical resistance, of any information, or even and probably the most widespread for the measurement of time.
- the hands of a display device are made up of a rigid unitary body secured to an axis of rotation driven by a movement, for example a watch movement in the case of a watch part. watchmaking.
- the needle performs a corresponding rotation, at least one of its free ends describing a trajectory of circular section thus pointing in each of its positions on the circular trajectory a value indication information item. physical measured, of a date of time, or in general of any information to be indicated to a user.
- the indication is thus produced essentially in the longitudinal axis of the needle at the level of one and / or the other of its opposite ends in collaboration where appropriate with an underlying display, such as a scale by example.
- display devices with a simple unitary structure and allowing direct digital display, if necessary without associated hands, endowed with an animation capacity without disturbing the main display function, are not known to date.
- indication or actuation or animation mechanism complementary to the basic watch movement of a timepiece such as a watch or a clock.
- An object of the invention is to propose the production of an animated display module, for example for the mechanical display of a time calendar in a timepiece, and based on a single mechanical part which does not require no modification of an associated actuating device movement such as a basic watch movement of a timepiece with which the display module is associated.
- a particular application of the invention consists in the production of animated dials for a timepiece, in particular a wristwatch, displaying a current date of time in analog form, preferably without an associated hand.
- Another object of the invention is to provide a display system comprising such a display module and an actuation device that is simple to implement without modifying a basic watch movement, as well as a part of watchmaking provided with such a display system.
- rigid display members is understood here to mean elements of the display module participating in the punctual display of a pattern, for example a figure representative of an hourly calendar or the like and consisting of of a material whose Young modulus is greater than 2.3 GPa.
- said display members, the frame and the deformable links form a monolithic part.
- the elements of the display module are formed in a single piece, of the same material and without assembly of any kind of the elements to each other at any time during the manufacture of said display module.
- a unitary and integrated display module is thus obtained, which can then be integrated directly without adjustment or adjustment of the mobile display members in a device requiring the use of a display.
- such a display module comprising all the elements integrated in a single piece makes it possible to dispense with needles to display information, said information possibly being formed directly by mobility of the display elements of the module. This eliminates the need for multiple indicator elements and multiple actuators thereof, which greatly simplifies the actuation structure of the display module.
- the display module of the invention can for example be produced by molding and / or machining of metal alloys, glasses, ceramics (Al 2 O 3 ), hard machinable and / or photocurable polymers (epoxy, PEEK) .
- the display module of the invention is advantageously made of monocrystalline or polycrystalline silicon.
- the display module can thus advantageously be produced by deep silicon etching processes.
- the display module of the invention comprises n display members, n being an integer greater than 1, at least one display member being, where appropriate, integral with the frame and stationary with respect to this one.
- the actuation pusher is movable relative to the frame by means of a deformable connection.
- At least one display member may include several deformable links to the frame.
- the provision of several deformable links makes it possible in particular to limit the number of degrees of freedom of a display member with respect to the frame, for example in translation or in rotation.
- the deformable links are preferably made of flexible blades with a width of between 2 and 50 microns, the thickness of the frame and of the display member (s) being greater than 30 microns. This dimensioning thus effectively provides an elastic character to the flexible blades forming the deformable links while the portions of greater thickness of the frame and of the display members are completely rigid and devoid of elastic nature.
- the present invention also relates to a display system comprising a display module as described above, and an actuation device arranged relative to said display module for transmitting a motor force on the push-button. 'actuation so as to induce a displacement of the movable display member (s) from the rest position to the display position.
- the actuating device comprises a cam or a lug, said actuating device being movable in rotation about an axis of rotation and arranged relative to the actuating pusher such that said cam or said lug exerts in at least one angular position around the axis of rotation on the actuating pusher a force capable of mobilizing said pusher.
- said cam or lug is for example kinematically linked to the hours mobile of a watch movement, the axis of rotation being common to that of the mobile.
- the display system of the invention may include a plurality of display modules, in particular a plurality of display modules dedicated to the display of an hourly calendar or any integer digital value. .
- the display system may in particular include a plurality of said display modules arranged concentrically around the axis of rotation of the actuating device, coincident with the axis of the mobile of the hours, to each display an hourly date, so that said actuation device cooperates successively with an actuation button of each of the modules.
- the actuating device may also include a plurality of cams or lugs in order to simultaneously display a plurality of information.
- the display system actuation device can thus include a first cam or lug kinematically linked in rotation to the hours mobile, for example on the hours barrel, of a watch movement and a second cam or lug kinematically linked to the minute wheel of the watch movement, for example integrally to the minute barrel.
- the actuation device can also be a contactless actuation device by electrostatic, thermal or magnetic effect on the actuator pushbutton (s) of the device (s). display.
- the present invention relates, in a third object, to a timepiece characterized in that it comprises a display system as described above.
- the display system actuator is preferably kinematically linked to the hours mobile and / or the minutes mobile of a watch movement and the display module (s) are arranged to display a date of time.
- the present invention relates to an analog animated display module 1 for any type of information or representation, in particular but not exclusively for the display of digital information as represented and described below in figures 1 to 4 .
- the invention also relates to an analog animated display system comprising at least one such display module 1, as well as to a timepiece comprising such a display system for the purpose of displaying information. hourly for example.
- a preferred application of the invention relates to the field of watchmaking, it is not limited to a display of time information and can also be implemented in any field requiring the use of a system. display of any information or representation in an animated form.
- the display module 1 consists of a digital display module of a pattern M such as a figure or a number comprising a fixed frame 2 and at least two display members, in l 'species three display units 31, 32, 33 in the example of figures 1A and 1B to form the number "6" ( figure 1B ).
- the display members 31, 32, 33 are integral with the frame 2 and each comprise a display portion 31a, 32a, 33a of the pattern M, said display portions being complementary to one another so that they form said pattern in at least one relative position of said display members 31, 32, 33.
- the display members 31, 32, 33 are integral with the frame 2 and the members 32, 33 are also movable relative to the frame 2 by means of at least one deformable link 4 formed by at least one blade.
- flexible 41 between a first rest position, shown in figure 1A , in which the display portions of the display members 31, 32, 33 are distant from each other and a display position, shown in figure 1B , in which said display portions 31a, 32a, 33a are counter-affixed to one another to form and display the pattern M, in this case a number "6".
- the movement of the display members 32, 33 relative to the frame 2 around their deformable connection 4 between the rest and display positions advantageously results according to the invention from the cooperation of said display members 32, 33 with a push button.
- 'actuation 5 arranged relative to the frame 2 and to the display members to transmit a force capable of inducing a displacement of said display members by elastic deformation around its deformable link (s) 4 following the action of a device for actuation 6 distinct from the display module 1, such as a cam 61 movable in rotation about an axis A on the figures 1A and 1B , on the actuating button 5.
- the movable display members 32, 33 advantageously comprise at least one actuating lever 32b, 33b comprising an arm integral at one end of the display portion 32a, 33a and capable of pivoting relative to the frame 2 by the intermediary of a deformable link 4, in this case a deformable pivot, formed of two flexible blades 41 joined at one of their ends to the frame 2 and secured at their second end to said arm, which cooperates by a point or plane support, the if necessary by an intermediate rocker 32c, 33c also linked to the frame 2 by a deformable pivot connection 4, with the actuating button 5, itself also secured to the frame 2 and movable relative to the latter via a deformable structure 8 formed of two flexible blades 81 parallel and forming a deformable parallelogram.
- a deformable link 4 in this case a deformable pivot
- display module 1 of the figures 1A and 1B comprises intermediate flip-flops 32c, 33c these flip-flops are however not essential and their presence in the display module depends fundamentally on the particular design of the latter, on the amplitudes of movements desired for the display members 32, 33 as well as on the dimensions peculiar to the actuating flip-flops 32b, 33b and the actuating button 5.
- the display module 1 of the invention advantageously consists of a monolithic part formed of a rigid material, which is understood in the context of the present invention as any material whose Young's modulus is greater than 2.3 GPa .
- a preferred material for making the display module 1 of the invention is silicon, monocrystalline or polycrystalline, from which it is easily possible, for example by deep etching processes (in particular DRIE - for Deep Reactive-ion Etching in English), form the frame 2 and the display members 31, 32, 33 connected to each other by at least one deformable connection, resulting in particular advantageously from the formation during the deep etching process of one or more flexible blades 41 with a width of between 2 and 50 microns, the thickness of the frame 2 and of the display member (s) preferably being greater than 30 microns.
- a display module 1 according to the invention can in particular be used to produce a display system of the dial type or dial portion of a timepiece for indicating a time calendar in a digital display form.
- the frame 2 of the display module 1 can be fixed on a dial, a disc or directly on the middle part of a watch case for a skeleton watch by any suitable means and in particular gluing or welding.
- a mobile device such as a ring comprising one or more cams 61, is kinematically linked to the hours barrel and pivots around an axis A, for example centered on the dial of the watch as in a classic needle display.
- An animated display system comprising display portions movable according to a determined period to generate a visual animation effect within the display as well as a new form of mysterious display in a timepiece. .
- FIG. 3A and 3B An alternative embodiment of the display module 1 of the figures 1A and 1B is represented at figures 3A and 3B .
- the movable display members 32, 33 and their display portions 32a, 33a are directly connected to the actuating button 5.
- the display member 31 remains identical to that of the figures 1A and 1B .
- This embodiment has the particularity of not presenting any interruption in the movement control chain, from the actuating button 5 to the display portions 32a, 33a. There is no friction within the display module 1 due to movements, only deformations, therefore a minimum loss of energy.
- the display portions 32a, 33b are connected to the upper ends of two rockers 32b and 33b, rotating around deformable links 4 in the form of flexible "butterfly" pivots 42 integral with the frame 2.
- the lower end of each of the rockers is directly connected through a set 7 of flexible serpentine blades to a plate 51 of the actuating pusher 5, which is also secured to the frame 2 by a structure 8 for guiding in linear translation with flexible blades 81.
- Such a display module 1 is identical to that of figures 1A and 1B and is actuated by an actuating member capable of cooperating with the pusher 5 to impart to it a thrust force causing the passage of the display members 32, 33 and their display portions 32a, 33a in particular of the position of represented rest figure 3A to the display position shown in figure 3B .
- FIG. 4 The structural and functional principles of the display module 1 of figures 3A and 3B can be extended to produce a circular display module as shown in figure 4 , similar to that of figure 2 .
- a display module could in particular serve as a basis for producing a dial for a timepiece such as a watch or a clock for displaying the time in animated form with a cam for actuating the push-buttons 5 arranged movably in rotation in the center of the display module and kinematically connected to the hour wheel of a watch movement.
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Description
L'invention concerne le domaine général de la microtechnique et notamment la fabrication de pièces par gravure de silicium. L'invention concerne plus particulièrement un module d'affichage mécanique comportant une pluralité d'éléments d'affichage mobiles relativement les uns aux autres autour d'au moins une liaison déformable, comportant notamment des lame(s) flexible(s).The invention relates to the general field of microtechnology and in particular to the manufacture of parts by silicon etching. The invention relates more particularly to a mechanical display module comprising a plurality of display elements movable relative to one another around at least one deformable connection, comprising in particular flexible blade (s).
L'invention concerne également un système d'affichage comportant au moins un dit module d'affichage tel que précédemment évoqué ainsi qu'une pièce d'horlogerie comportant un tel système d'affichage.The invention also relates to a display system comprising at least one said display module as previously mentioned as well as a timepiece comprising such a display system.
Le module d'affichage et le dispositif d'affichage de l'invention trouvent une application particulière dans l'industrie horlogère, notamment pour la réalisation de cadrans de montres ou d'horloges animés.The display module and the display device of the invention find a particular application in the watchmaking industry, in particular for producing dials for watches or animated clocks.
Les systèmes d'affichages analogiques, notamment à aiguilles, sont connus et utilisés depuis des décennies dans une multitude d'applications afin de procurer une indication directe, par exemple sur une échelle graduée, un cadran ou autre système de représentation d'une valeur d'une grandeur physique telle que vitesse, température, pression, intensité, tension ou résistance électrique, d'une information quelconque, ou encore et de manière probablement la plus répandue pour la mesure du temps.Analogue display systems, in particular with hands, have been known and have been used for decades in a multitude of applications in order to provide a direct indication, for example on a graduated scale, a dial or other system for representing a value of d. 'a physical quantity such as speed, temperature, pressure, intensity, voltage or electrical resistance, of any information, or even and probably the most widespread for the measurement of time.
Dans une grande majorité de cas, les aiguilles d'un dispositif d'affichage sont constituées d'un corps unitaire rigide solidaire d'un axe de rotation mu par un mouvement, par exemple un mouvement horloger dans le cas d'une pièce d'horlogerie. A chaque pas de rotation de l'axe de rotation l'aiguille effectue une rotation correspondante, une au moins de ses extrémités libres décrivant une trajectoire de section circulaire pointant ainsi en chacune de ses positions sur la trajectoire circulaire une information d'indication de valeur physique mesurée, d'un quantième de temps, ou de façon générale de toute information à indiquer à un utilisateur. L'indication est ainsi réalisée essentiellement dans l'axe longitudinal de l'aiguille au niveau d'une et/ou de l'autre de ses extrémités opposées en collaboration le cas échéant avec un affichage sous-jacent, telle qu'une échelle par exemple.In a large majority of cases, the hands of a display device are made up of a rigid unitary body secured to an axis of rotation driven by a movement, for example a watch movement in the case of a watch part. watchmaking. At each step of rotation of the axis of rotation, the needle performs a corresponding rotation, at least one of its free ends describing a trajectory of circular section thus pointing in each of its positions on the circular trajectory a value indication information item. physical measured, of a date of time, or in general of any information to be indicated to a user. The indication is thus produced essentially in the longitudinal axis of the needle at the level of one and / or the other of its opposite ends in collaboration where appropriate with an underlying display, such as a scale by example.
On connait également, notamment pour des horloges, des systèmes d'affichage mécaniques, par exemple à palettes, qui indiquent une information horaire par alignement de chiffres imprimés sur les palettes, ces dernières étant pivotées autour d'un axe par gravité lors de la libération de verrous de blocage à chaque quantième de temps à indiquer.Mechanical display systems, for example with paddles, which indicate time information by alignment of the clock, are also known, in particular for clocks. figures printed on the pallets, the latter being rotated around an axis by gravity when the locking bolts are released at each date of time to be indicated.
D'autres variantes d'affichages actionnés par des systèmes mécaniques ont également été proposées dans l'état de la technique, essentiellement dans le domaine horloger. On peut citer entre autres l'affichage numérique de type « planche à clous » du modèle Opus 8, commercialisé par la société Harry Winston SA ou encore le dispositif d'affichage numérique de l'heure en cours par rotation d'un disque sous-jacent à un cadran doté d'un guichet tel que proposé dans la demande de brevet suisse
Ces différents affichages présentent tous l'inconvénient de procéder d'une structure complexe de différents éléments superposés et requérant des mécanismes d'actionnement additionnels au mécanisme horloger de base auquel il convient d'accoupler ces mécanismes d'actionnement, ce qui perturbe la marche du mouvement horloger ou à tout le moins en affecte négativement la consommation d'énergie.These different displays all have the drawback of proceeding from a complex structure of different superimposed elements and requiring additional actuation mechanisms to the basic watch mechanism to which these actuation mechanisms should be coupled, which disrupts the operation of the device. watch movement or at the very least negatively affects energy consumption.
On ne connait pas en revanche à ce jour de dispositifs d'affichage de structure unitaire simple et permettant un affichage numérique direct, le cas échéant sans aiguilles associées, doté d'une capacité d'animation sans perturbations de la fonction principale d'affichage et d'indication ni mécanisme d'actionnement ou d'animation complémentaire au mouvement horloger de base d'une pièce d'horlogerie telle qu'une montre ou une horloge.On the other hand, display devices with a simple unitary structure and allowing direct digital display, if necessary without associated hands, endowed with an animation capacity without disturbing the main display function, are not known to date. indication or actuation or animation mechanism complementary to the basic watch movement of a timepiece such as a watch or a clock.
Un but de l'invention est de proposer la réalisation d'un module d'affichage animé, par exemple pour l'affichage mécanique d'un quantième de temps dans une pièce d'horlogerie, et reposant sur une pièce mécanique unique qui ne nécessite aucune modification d'un mouvement dispositif d'actionnement associé tel qu'un mouvement horloger de base d'une pièce d'horlogerie à laquelle le module d'affichage est associé.An object of the invention is to propose the production of an animated display module, for example for the mechanical display of a time calendar in a timepiece, and based on a single mechanical part which does not require no modification of an associated actuating device movement such as a basic watch movement of a timepiece with which the display module is associated.
Une application particulière de l'invention consiste en la réalisation de cadrans animés de pièce d'horlogerie, notamment de montre bracelet, affichant un quantième de temps courant sous une forme analogique, de préférence sans aiguille associée.A particular application of the invention consists in the production of animated dials for a timepiece, in particular a wristwatch, displaying a current date of time in analog form, preferably without an associated hand.
Un autre but de l'invention est de fournir un système d'affichage comportant un tel module d'affichage et un dispositif d'actionnement simple à mettre en oeuvre sans modification d'un mouvement horloger de base, ainsi qu'une pièce d'horlogerie dotée d'un tel système d'affichage.Another object of the invention is to provide a display system comprising such a display module and an actuation device that is simple to implement without modifying a basic watch movement, as well as a part of watchmaking provided with such a display system.
A cet effet, la présente invention propose un module d'affichage comportant un bâti fixe et au moins deux organes d'affichage substantiellement rigides. Ce module d'affichage se caractérise par le fait que :
- lesdits organes d'affichage comportent une portion d'affichage d'un motif, lesdites portions d'affichage étant complémentaires l'une de l'autre de sorte qu'elles forment ledit motif dans au moins une position relative desdits organes d'affichage,
- au moins un des organes d'affichage est solidaire du bâti et mobile relativement à celui-ci au moyen d'une liaison déformable au moins entre une première position de repos dans laquelle les portions d'affichage sont distantes l'une de l'autre et une position d'affichage dans laquelle les portions d'affichages sont rapprochées l'une de l'autre, de préférence contre-apposées l'une à l'autre pour former et afficher ledit motif,
- le ou les dits organes d'affichage mobiles relativement au bâti comportent un poussoir d'actionnement adapté pour transmettre un effort de déplacement de cet organe d'affichage par déformation élastique autour de sa ou ses liaisons déformables depuis ladite position de repos vers ladite position d'affichage,
- lesdits organes d'affichage, le bâti et les liaisons déformables forment une pièce monolithique.
- said display members comprise a display portion of a pattern, said display portions being complementary to one another so that they form said pattern in at least one relative position of said display members,
- at least one of the display members is integral with the frame and movable relative to the latter by means of a deformable connection at least between a first rest position in which the display portions are distant from each other and a display position in which the display portions are brought together, preferably against each other to form and display said pattern,
- said display member (s) movable relative to the frame comprise an actuating button adapted to transmit a displacement force of this display member by elastic deformation around its deformable link (s) from said rest position to said position d 'display,
- said display members, the frame and the deformable links form a monolithic part.
On entend ici dans le cadre de l'invention par « organes d'affichage rigides » des éléments du module d'affichage participant à l'affichage ponctuel d'un motif, par exemple un chiffre représentatif d'un quantième horaire ou autre et constitués d'un matériau dont le module d'Young est supérieur à 2.3 GPa.In the context of the invention, the term “rigid display members” is understood here to mean elements of the display module participating in the punctual display of a pattern, for example a figure representative of an hourly calendar or the like and consisting of of a material whose Young modulus is greater than 2.3 GPa.
De façon caractéristique de l'invention lesdits organes d'affichage, le bâti et les liaisons déformables forment une pièce monolithique. En d'autres termes les éléments du module d'affichage sont formés d'une seule pièce, d'une même matière et sans assemblage d'aucune sorte des éléments les uns aux autres à aucun moment de la fabrication dudit module d'affichage. On obtient ainsi un module d'affichage unitaire et intégré, qui peut être ensuite intégré directement sans ajustement ni réglage des organes d'affichage mobiles dans un dispositif nécessitant la mise en oeuvre d'un affichage. De plus un tel module d'affichage comportant tous les éléments intégrés en une seule pièce permet de s'affranchir d'aiguilles pour afficher une information, ladite information pouvant être formée directement par mobilité des éléments d'affichage du module. On supprime ainsi le besoin à de multiples éléments indicateurs et multiples organes d'actionnement de ces derniers, ce qui simplifie considérablement la structure d'actionnement du module d'affichage.Characteristically of the invention, said display members, the frame and the deformable links form a monolithic part. In other words, the elements of the display module are formed in a single piece, of the same material and without assembly of any kind of the elements to each other at any time during the manufacture of said display module. A unitary and integrated display module is thus obtained, which can then be integrated directly without adjustment or adjustment of the mobile display members in a device requiring the use of a display. Furthermore, such a display module comprising all the elements integrated in a single piece makes it possible to dispense with needles to display information, said information possibly being formed directly by mobility of the display elements of the module. This eliminates the need for multiple indicator elements and multiple actuators thereof, which greatly simplifies the actuation structure of the display module.
Le module d'affichage de l'invention peut par exemple être réalisé par moulage et/ou usinage d'alliages métalliques, de verres, de céramiques (Al2O3), de polymères durs usinables et/ou photodurcissables (époxy, PEEK).The display module of the invention can for example be produced by molding and / or machining of metal alloys, glasses, ceramics (Al 2 O 3 ), hard machinable and / or photocurable polymers (epoxy, PEEK) .
Selon une forme de réalisation avantageuse, le module d'affichage de l'invention est avantageusement constitué de silicium monocristallin ou polycristallin. Le module d'affichage peut ainsi avantageusement être réalisé par des procédés de gravure profonde du silicium.According to an advantageous embodiment, the display module of the invention is advantageously made of monocrystalline or polycrystalline silicon. The display module can thus advantageously be produced by deep silicon etching processes.
Dans une forme de réalisation, le module d'affichage de l'invention comporte n organes d'affichage, n étant un nombre entier supérieur à 1, au moins un organe d'affichage étant le cas échéant solidaire du bâti et immobile par rapport à celui-ci.In one embodiment, the display module of the invention comprises n display members, n being an integer greater than 1, at least one display member being, where appropriate, integral with the frame and stationary with respect to this one.
Avantageusement dans cette forme de réalisation, le poussoir d'actionnement est mobile par rapport au bâti par l'intermédiaire d'une liaison déformable.Advantageously in this embodiment, the actuation pusher is movable relative to the frame by means of a deformable connection.
Selon une forme de réalisation du module de l'invention au moins un organe d'affichage peut comporter plusieurs liaisons déformables au bâti. La procuration de plusieurs liaisons déformables permet notamment de limiter le nombre de degrés de liberté d'un organe d'affichage par rapport au bâti, par exemple en translation ou en rotation.According to one embodiment of the module of the invention at least one display member may include several deformable links to the frame. The provision of several deformable links makes it possible in particular to limit the number of degrees of freedom of a display member with respect to the frame, for example in translation or in rotation.
Selon les différentes formes de réalisation de l'invention, et tout particulièrement dans le cadre d'un module d'affichage réalisé en silicium, les liaisons déformables sont de préférence constituées de lames flexibles d'une largeur comprise entre 2 et 50 microns, l'épaisseur du bâti et du ou des organes d'affichage étant supérieure à 30 microns. Ce dimensionnement procure ainsi effectivement un caractère élastique aux lames flexibles formant les liaisons déformables alors que les portions d'épaisseur supérieure du bâti et des organes d'affichage sont totalement rigides et dépourvues de caractère élastique.According to the various embodiments of the invention, and more particularly in the context of a display module made of silicon, the deformable links are preferably made of flexible blades with a width of between 2 and 50 microns, the thickness of the frame and of the display member (s) being greater than 30 microns. This dimensioning thus effectively provides an elastic character to the flexible blades forming the deformable links while the portions of greater thickness of the frame and of the display members are completely rigid and devoid of elastic nature.
Conformément à un second objet, la présente invention concerne également un système d'affichage comportant un module d'affichage tel que précédemment décrit, et un dispositif d'actionnement agencé par rapport audit module d'affichage pour transmettre un effort moteur sur le poussoir d'actionnement de manière à induire un déplacement du ou des organes d'affichages mobiles de la position de repos vers la position d'affichage.According to a second object, the present invention also relates to a display system comprising a display module as described above, and an actuation device arranged relative to said display module for transmitting a motor force on the push-button. 'actuation so as to induce a displacement of the movable display member (s) from the rest position to the display position.
Dans une forme particulière de réalisation, le dispositif d'actionnement comporte une came ou un ergot, ledit dispositif d'actionnement étant mobile en rotation autour d'un axe de rotation et agencé relativement au poussoir d'actionnement de telle sorte que ladite came ou ledit ergot exerce en au moins une position angulaire autour de l'axe de rotation sur le poussoir d'actionnement un effort apte à mobiliser ledit poussoir. De préférence, ladite came ou ergot est par exemple lié cinématiquement au mobile des heures d'un mouvement horloger, l'axe de rotation étant commun à celui du mobile.In a particular embodiment, the actuating device comprises a cam or a lug, said actuating device being movable in rotation about an axis of rotation and arranged relative to the actuating pusher such that said cam or said lug exerts in at least one angular position around the axis of rotation on the actuating pusher a force capable of mobilizing said pusher. Preferably, said cam or lug is for example kinematically linked to the hours mobile of a watch movement, the axis of rotation being common to that of the mobile.
Selon une forme particulière de réalisation, le système d'affichage de l'invention peut comporter une pluralité de modules d'affichage, notamment une pluralité de modules d'affichage dédiés à l'affichage d'un quantième horaire ou une valeur numérique entière quelconque.According to a particular embodiment, the display system of the invention may include a plurality of display modules, in particular a plurality of display modules dedicated to the display of an hourly calendar or any integer digital value. .
Dans un mode de réalisation dédié à l'horlogerie, le système d'affichage peut notamment comporter une pluralité de dits modules d'affichage disposés concentriquement autour de l'axe de rotation du dispositif d'actionnement, confondu avec l'axe du mobile des heures, pour afficher chacun un quantième horaire, de telle sorte que ledit dispositif d'actionnement coopère successivement avec un poussoir d'actionnement de chacun des modules.In an embodiment dedicated to watchmaking, the display system may in particular include a plurality of said display modules arranged concentrically around the axis of rotation of the actuating device, coincident with the axis of the mobile of the hours, to each display an hourly date, so that said actuation device cooperates successively with an actuation button of each of the modules.
Le cas échéant, le dispositif d'actionnement peut également comporter une pluralité de cames ou d'ergots afin d'afficher simultanément une pluralité d'informations. Dans une application à un cadran de pièce d'horlogerie, le dispositif d'actionnement du système d'affichage peut ainsi comporter une première came ou ergot lié cinématiquement en rotation au mobile des heures, par exemple sur le canon des heures, d'un mouvement horloger et une deuxième came ou ergot lié cinématiquement à la roue de minutes du mouvement horloger, par exemple solidairement au canon des minutes.Where appropriate, the actuating device may also include a plurality of cams or lugs in order to simultaneously display a plurality of information. In an application to a timepiece dial, the display system actuation device can thus include a first cam or lug kinematically linked in rotation to the hours mobile, for example on the hours barrel, of a watch movement and a second cam or lug kinematically linked to the minute wheel of the watch movement, for example integrally to the minute barrel.
A titre d'exemple particulier on peut envisager un affichage simultané des heures et des minutes par tranche de 5 minutes en superposant deux cames liée respectivement au canon des heures et au canon des minutes montés coaxiaux et libres en rotation l'un par rapport à l'autre autour d'un axe de rotation commun central à un module d'affichage configuré pour afficher numériquement de douze heures ou à un arrangement de douze modules d'affichage individuels, chacun affichant une heure, concentriquement disposés autour de l'axe de rotation central avec le dispositif d'actionnement mobile en rotation autour de cet axe au centre du module d'affichage ou de l'arrangement de modules.As a particular example, it is possible to envisage a simultaneous display of the hours and minutes in 5-minute increments by superimposing two cams linked respectively to the hours barrel and to the minutes barrel mounted coaxially and free to rotate with respect to the 'another around a common axis of rotation central to a display module configured to digitally display twelve hours or an arrangement of twelve individual display modules, each displaying a time, concentrically arranged around the axis of rotation central with the mobile actuator rotating about this axis at the center of the display module or of the arrangement of modules.
Dans une forme alternative de réalisation du système d'affichage de l'invention, le dispositif d'actionnement peut également être un dispositif d'actionnement sans contact par effet électrostatique, thermique ou magnétique sur le poussoir d'actionnement du ou des organes d'affichage.In an alternative embodiment of the display system of the invention, the actuation device can also be a contactless actuation device by electrostatic, thermal or magnetic effect on the actuator pushbutton (s) of the device (s). display.
La présente invention concerne enfin dans un troisième objet une pièce d'horlogerie caractérisée en ce qu'elle comporte un système d'affichage tel que précédemment décrit. Dans ce cadre, le dispositif d'actionnement du système d'affichage est de préférence lié cinématiquement au mobile des heures et/ou au mobile des minutes d'un mouvement horloger et le ou les modules d'affichages sont agencés pour afficher un quantième de temps.Finally, the present invention relates, in a third object, to a timepiece characterized in that it comprises a display system as described above. In this context, the display system actuator is preferably kinematically linked to the hours mobile and / or the minutes mobile of a watch movement and the display module (s) are arranged to display a date of time.
L'invention sera mieux comprise à la lecture de la description détaillée d'un exemple de réalisation faite en référence aux figures annexées parmi lesquelles :
- la
figure 1A et 1B représentent en vue de dessus un module d'affichage selon la présente invention dans un premier mode de réalisation, en position de repos et en position d'affichage respectivement ; - la
figure 2 représente en vue de dessus un module d'affichage selon la présente invention dans un second mode de réalisation, en position de repos, le module d'affichage constituant un cadran complet d'affichage de l'heure pour une pièce d'horlogerie ; - les
figures 3A et 3B représentent en vue de dessus un module d'affichage selon la présente invention dans un 3ème mode de réalisation analogue à celui desfigures 1A et 1B , en position de repos et en position d'affichage respectivement ; - la
figure 4 représente en vue de dessus un module d'affichage selon la présente invention dans un 4ème mode de réalisation, en position de repos, le module d'affichage constituant un cadran complet d'affichage de l'heure pour une pièce d'horlogerie selon le principe du module d'affichage unitaire desfigures 3A et 3B .
- the
figure 1A and 1B show a top view of a display module according to the present invention in a first embodiment, in the rest position and in the display position respectively; - the
figure 2 shows a top view of a display module according to the present invention in a second embodiment, in the rest position, the display module constituting a complete time display dial for a timepiece; - the
figures 3A and 3B show a top view of a display module according to the present invention in a 3rd embodiment similar to that offigures 1A and 1B , in the rest position and in the display position respectively; - the
figure 4 shows a top view of a display module according to the present invention in a 4th embodiment, in the rest position, the display module constituting a complete time display dial for a timepiece according to the principle of the unit display module offigures 3A and 3B .
La présente invention se rapporte à un module d'affichage animé analogique 1 de tout type d'information ou représentation, notamment mais non exclusivement pour l'affichage d'une information numérique comme représenté et décrit ci-après aux
Bien qu'une application privilégiée de l'invention concerne le domaine de l'horlogerie, elle n'est pas limitée à un affichage d'une information horaire et peut également être mise en oeuvre dans tout domaine requérant l'utilisation d'un système d'affichage d'une information ou représentation quelconque sous une forme animée.Although a preferred application of the invention relates to the field of watchmaking, it is not limited to a display of time information and can also be implemented in any field requiring the use of a system. display of any information or representation in an animated form.
On a représenté sur les
A cet effet, les organes d'affichage 31, 32, 33 sont solidaires du bâti 2 et les organes 32, 33 sont également mobiles relativement au bâti 2 par l'intermédiaire d'au moins une liaison déformable 4 formée par au moins une lame flexible 41 entre une première position de repos, représentée sur la
Le déplacement des organes d'affichage 32, 33 relativement au bâti 2 autour de leur liaison déformable 4 entre les positions de repos et d'affichage résulte avantageusement selon l'invention de la coopération desdits organes d'affichage 32, 33 avec un poussoir d'actionnement 5 agencé relativement au bâti 2 et aux organes d'affichage pour transmettre un effort apte à induire un déplacement desdits organes d'affichage par déformation élastique autour de sa ou ses liaisons déformables 4 consécutivement à l'action d'un dispositif d'actionnement 6 distinct du module d'affichage 1, tel qu'une came 61 mobile en rotation autour d'un axe A sur les
Dans l'exemple de réalisation des
Il convient de noter que bien que le module d'affichage 1 des
Le module d'affichage 1 de l'invention est avantageusement constitué d'une pièce monolithique formée d'un matériau rigide, qu'on entend dans le cadre de la présente invention comme tout matériau dont le module d'Young est supérieur à 2.3 GPa. A ce titre un matériau de réalisation préféré du module d'affichage 1 de l'invention est le silicium, monocristallin ou polycristallin, à partir duquel on peut aisément, par exemple par des procédés de gravure profonde (notamment DRIE - pour Deep Reactive-ion Etching en anglais), former le bâti 2 et les organes d'affichage 31, 32, 33 reliés l'un à l'autre par au moins une liaison déformable, résultant notamment avantageusement de la formation lors du procédé de gravure profonde d'une ou plusieurs lames flexibles 41 d'une largeur comprise entre 2 et 50 microns, l'épaisseur du bâti 2 et du ou des organes d'affichage étant elle supérieure à 30 microns de préférence.The
Un module d'affichage 1 selon l'invention peut notamment servir à la réalisation d'un système d'affichage de type cadran ou portion de cadran d'une pièce d'horlogerie pour indiquer un quantième horaire sous une forme d'affichage numérique. A titre d'exemples particuliers, on peut réaliser en premier lieu un cadran d'affichage par quart, toutes les 3 heures à 3, 6, 9 et 12h utilisant 4 modules d'affichage individuels 1 tel que représenté aux
Dans les deux cas, le bâti 2 du module d'affichage 1 peut être fixé sur un cadran, un disque ou directement sur la carrure d'une boite de montre pour une montre squelette par tout moyen approprié et notamment collage ou soudure. En guise de dispositif d'actionnement 6, un mobile tel qu'une bague comportant une ou plusieurs cames 61, est liée cinématiquement au canon des heures et pivote autour d'un axe A, par exemple centré au cadran de la montre comme dans un affichage par aiguilles classique.In both cases, the
Le fonctionnement d'un tel système d'affichage est décrit ci-après en référence aux
Après le passage de la came 61 le contact suiveur du poussoir d'actionnement 5 revient en appui sur la bague 6, poussé par les forces de rappel des lames flexibles 41 de sa liaison déformable 4 au bâti. Les portions d'affichages 32a, 33a, s'écartent alors pour revenir vers la position de repos (
On réalise ainsi un système d'affichage animé comportant des portions d'affichage mobiles suivant une période déterminée pour engendrer un effet d'animation visuelle au sein de l'affichage ainsi qu'une forme nouvelle d'affichage mystérieux dans une pièce d'horlogerie.An animated display system is thus produced comprising display portions movable according to a determined period to generate a visual animation effect within the display as well as a new form of mysterious display in a timepiece. .
Une variante de réalisation du module d'affichage 1 des
Cette réalisation présente la particularité de ne présenter aucune interruption dans la chaine de commande du mouvement, depuis le poussoir d'actionnement 5 jusqu'aux portions d'affichages 32a, 33a. Il n'y a aucun frottement au sein du module d'affichage 1 dus aux mouvements, uniquement des déformations, donc une perte d'énergie minimale. Les portions d'affichage 32a, 33b sont connectées aux extrémités supérieures de deux bascules 32b et 33b, en rotation autour de liaisons déformables 4 en forme de pivots flexibles en «papillon» 42 solidaires du bâti 2. L'extrémité inférieure de chacune des bascules est directement connectée au travers d'un ensemble 7 de lames flexibles en serpentin à un plateau 51 du poussoir d'actionnement 5, lequel est également solidaire du bâti 2 par une structure 8 de guidage en translation linéaire à lames flexible 81.This embodiment has the particularity of not presenting any interruption in the movement control chain, from the
Le fonctionnement et l'animation d'un tel module d'affichage 1 est identique à celui des
Les principes structurels et fonctionnels du module d'affichage 1 des
Claims (13)
- Display module (1) comprising a fixed frame (2) and at least two substantially rigid display members (31, 32, 33), wherein :- said display members (31, 32, 33) each comprise a display portion (31a, 32a, 33a) of a pattern (M), said display portions being complementary to each other such that they form said pattern (M) in at least one relative position of said display members (31, 32, 33),- at least one of the display portions (32, 33) being integral with and movable relative to the frame (2) by means of a deformable link (4) at least between a first rest position in which said display portions (31a, 32a, 33a) are spaced apart from each other and a display position in which said display portions (31a, 32a, 33a) are counter-applied to each other to form and display said pattern (M),- said display member or members (32, 33) movable relative to the frame (2) cooperate with an actuating push-button (5) arranged to transmit a displacement force of this display member (32, 33) by elastic deformation around its deformable link or links (4) from said rest position to said display position,
characterized in that- said display members (31, 32, 33), the frame (2) and the deformable link or links (4) form a monolithic piece. - Display module according to claim 1, characterized in that it comprises n display members (31, 32, 33), n being an integer greater than 1, at least one display member (31) being integral with the frame and immobile with respect thereto.
- Display module according to one of claims 1 or 2, characterized in that the actuating push-button (5) is movable relative to the frame (2) by means of a deformable link (8).
- Display module according to one of claims 1 to 3, characterized in that at least one display element (32, 33) comprises a plurality of deformable connections (4) to the frame (2).
- Display module according to one of claims 1 to 4, characterized in that the deformable links (4) consist of flexible strips having a width of between 2 and 50 microns, the thickness of the frame (2) and of the display member or members (3) being greater than 30 microns.
- Display module according to one of claims 1 to 5, characterized in that it consists of monocrystalline or polycrystalline silicon.
- Display system comprising a display module (1) according to one of claims 1 to 6 and an actuating device (6) arranged to transmit a driving force to the actuating push-button (5) so as to induce a displacement of the movable display member or members (32, 33) from the rest position to the display position.
- Display system according to claim 7, characterized in that the actuating device (6) comprises a cam (61) or a catch, said actuating device being rotatable about an axis of rotation and arranged relative to the actuating push-button (5) in such a way that said cam or said catch exerts on the actuating push-button, in at least one angular position around the axis of rotation, a force capable of moving said push-button.
- Display system according to one of claims 7 or 8, characterized in that it comprises a plurality of display modules (1).
- Display system according to claims 8 and 9, characterized in that said display modules are arranged concentrically around the actuating device which is movable in rotation around said axis (A) in such a way that the latter cooperates successively with an actuating push-button (5) of each of the display modules (1).
- Display system according to one of claims 7 to 10, characterized in that the actuating device (6) is a contactless actuating device by electrostatic, thermal or magnetic effect on the actuating push-button of a display module (1).
- Timepiece characterized in that it comprises a display system according to one of claims 7 to 11.
- Timepiece according to claim 12, characterized in that the actuating device (6) is kinematically linked to the hour hand and/or minute hand of a watch movement and the display module or modules are arranged to display a date.
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CH01143/16A CH712875B1 (en) | 2016-09-05 | 2016-09-05 | Display module comprising mobile elements around deformable connections, associated display system and timepiece comprising such a display system. |
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CH714014A1 (en) * | 2017-07-24 | 2019-01-31 | Csem Centre Suisse Delectronique Et De Microtechnique Sa – Rech Et Developpement | Display system comprising two mobile element display modules around flexible links, and a timepiece comprising such a display system. |
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EP3543800B1 (en) * | 2018-03-20 | 2021-11-10 | Omega SA | Annular rotating bezel system comprising a spring ring |
EP3579059B1 (en) | 2018-06-08 | 2023-09-20 | CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement | Display system comprising a display module with elements movable around deformable links and a reversible device for locking said movable elements in at least one position |
CH715140A1 (en) | 2018-06-22 | 2019-12-30 | Csem – Centre Suisse Delectronique Et De Microtechnique Sa | Display module comprising movable display elements via flexible connections, display system and timepiece. |
EP3605243A1 (en) * | 2018-07-31 | 2020-02-05 | Montres Breguet S.A. | Variable geometry timepiece display mechanism with elastic needle |
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CN107797438A (en) | 2018-03-13 |
US20180067457A1 (en) | 2018-03-08 |
HK1251668A1 (en) | 2019-02-01 |
EP3291024A1 (en) | 2018-03-07 |
CH712875A1 (en) | 2018-03-15 |
CH712875B1 (en) | 2022-10-31 |
US10444708B2 (en) | 2019-10-15 |
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