EP3291024B1 - Anzeigemodul, das bewegliche elemente um verformbare verbindungen umfasst, entsprechendes anzeigesystem und uhr, die ein solches anzeigesystem umfasst - Google Patents

Anzeigemodul, das bewegliche elemente um verformbare verbindungen umfasst, entsprechendes anzeigesystem und uhr, die ein solches anzeigesystem umfasst Download PDF

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Publication number
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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EP
European Patent Office
Prior art keywords
display
frame
display module
members
button
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Application number
EP17189057.7A
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English (en)
French (fr)
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EP3291024A1 (de
Inventor
Francis Cardot
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Centre Suisse dElectronique et Microtechnique SA CSEM
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Centre Suisse dElectronique et Microtechnique SA CSEM
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Classifications

    • 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
    • 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
    • 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
    • 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
    • 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
    • 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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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)

Claims (13)

  1. Anzeigemodul (1) aufweisend ein festes Gestell (2) und mindestens zwei im Wesentlichen starre Anzeigeelemente (31, 32, 33), wobei:
    - die Anzeigeelemente (31, 32, 33) jeweils einen Anzeigeabschnitt (31a, 32a, 33a) eines Motivs (M) aufweisen, wobei die Anzeigeabschnitte einander so ergänzen, dass sie das Motiv (M) in mindestens einer relativen Position der Anzeigeelemente (31, 32, 33) bilden,
    - mindestens eins der Anzeigeelemente (32, 33) mittels einer verformbaren Verbindung (4) zwischen wenigstens einer Ruheposition, in der die Anzeigeabschnitte (31a, 32a, 33a) voneinander entfernt sind, und einer Anzeigeposition, in der die Anzeigeabschnitte (31a, 32a, 33a) aneinander angesetzt sind, um das Motiv (M) zu bilden und anzuzeigen, bezogen auf das Gestell (2) fest verbunden und beweglich ist,
    - das oder die Anzeigeelemente (32, 33), die bezogen auf das Gestell (2) beweglich sind, mit einem Betätigungsstößel (5) zusammenwirken, der angeordnet ist, eine Kraft zur Bewegung dieses Anzeigeelements (32, 33) durch elastische Verformung um seine verformbare(n) Verbindung(en) (4) aus der Ruheposition zur Anzeigeposition zu übertragen,
    dadurch gekennzeichnet, dass
    - die Anzeigeelemente (31, 32, 33), das Gestell (2) und die verformbare(n) Verbindung(en) (4) ein monolithisches Teil bilden.
  2. Anzeigemodul nach Anspruch 1, dadurch gekennzeichnet, dass es n Anzeigeelemente (31, 32, 33) aufweist, wobei n eine Ganzzahl größer als 1 ist, wobei mindestens ein Anzeigeelement (31) fest mit dem Gestell verbunden und bezogen auf dieses unbeweglich ist.
  3. Anzeigemodul nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass der Betätigungsstößel (5) bezogen auf das Gestell (2) mittels einer verformbaren Verbindung (8) beweglich ist.
  4. Anzeigemodul nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass mindestens ein Anzeigeelement (32, 33) mehrere verformbare Verbindungen (4) zum Gestell (2) aufweist.
  5. Anzeigemodul nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die verformbaren Verbindungen (4) aus flexiblen Blättern einer Breite zwischen 2 und 50 Mikrometer gebildet sind, wobei die Dicke des Gestell (2) und des oder der Anzeigeelemente (3) größer als 30 Mikrometer ist.
  6. Anzeigemodul nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass es aus monokristallinem oder polykristallinem Silizium gebildet ist.
  7. Anzeigesystem aufweisend ein Anzeigemodul (1) nach einem der Ansprüche 1 bis 6 und eine Betätigungsvorrichtung (6), die angeordnet ist, eine Antriebskraft auf den Betätigungsstößel (5) zu übertragen, so dass eine Bewegung des oder der beweglichen Anzeigeelemente (32, 33) aus der Ruheposition zur Anzeigeposition bewirkt wird.
  8. Anzeigesystem nach Anspruch 7, dadurch gekennzeichnet, dass die Betätigungsvorrichtung (6) einen Nocken (61) oder einen Sporn aufweist, wobei die Betätigungsvorrichtung um eine Drehachse drehbeweglich ist und bezogen auf den Betätigungsstößel (5) so angeordnet ist, dass der Nocken oder der Sporn in mindestens einer Winkelposition um die Drehachse auf den Betätigungsstößel eine Kraft ausübt, die geeignet ist, den Stößel zu bewegen.
  9. Anzeigesystem nach einem der Ansprüche 7 oder 8, dadurch gekennzeichnet, dass es eine Mehrzahl von Anzeigemodulen (1) aufweist.
  10. Anzeigesystem nach den Ansprüchen 8 und 9, dadurch gekennzeichnet, dass die Anzeigemodule um die Betätigungsvorrichtung, die um die Achse (A) drehbeweglich ist, konzentrisch angeordnet sind, so dass diese nacheinander mit einem Betätigungsstößel (5) jedes der Anzeigemodule (1) zusammenwirkt.
  11. Anzeigesystem nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, dass die Betätigungsvorrichtung (6) eine kontaktlose Betätigungsvorrichtung durch elektrostatische, Wärme- oder Magnetwirkung auf den Betätigungsstößel eines Anzeigemoduls (1) ist.
  12. Uhr, dadurch gekennzeichnet, dass sie ein Anzeigesystem nach einem der Ansprüche 7 bis 11 aufweist.
  13. Uhr nach Anspruch 12, dadurch gekennzeichnet, dass die Betätigungsvorrichtung (6) kinematisch mit den Drehteil der Stunden und/oder dem Drehteil der Minuten eines Uhrwerks verbunden ist und das oder die Anzeigemodule angeordnet sind, eine Zeitangabe anzuzeigen.
EP17189057.7A 2016-09-05 2017-09-01 Anzeigemodul, das bewegliche elemente um verformbare verbindungen umfasst, entsprechendes anzeigesystem und uhr, die ein solches anzeigesystem umfasst Active EP3291024B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01143/16A CH712875B1 (fr) 2016-09-05 2016-09-05 Module d'affichage comportant des éléments mobiles autour de liaisons déformables, système d'affichage associé et pièce d'horlogerie comportant un tel système d'affichage.

Publications (2)

Publication Number Publication Date
EP3291024A1 EP3291024A1 (de) 2018-03-07
EP3291024B1 true EP3291024B1 (de) 2021-05-26

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EP17189057.7A Active EP3291024B1 (de) 2016-09-05 2017-09-01 Anzeigemodul, das bewegliche elemente um verformbare verbindungen umfasst, entsprechendes anzeigesystem und uhr, die ein solches anzeigesystem umfasst

Country Status (5)

Country Link
US (1) US10444708B2 (de)
EP (1) EP3291024B1 (de)
CN (1) CN107797438A (de)
CH (1) CH712875B1 (de)
HK (1) HK1251668A1 (de)

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EP3543800B1 (de) * 2018-03-20 2021-11-10 Omega SA System eines drehbaren aussenrings einer armbanduhr, das einen federring umfasst
EP3579059B1 (de) 2018-06-08 2023-09-20 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Anzeigesystem, das ein anzeigemodul mit beweglichen organgen um verformbare verbindungen herum und eine reversible blockiervorrichtung dieser beweglichen organe in mindestens einer position umfasst
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CH715238A1 (fr) 2018-08-08 2020-02-14 Csem Centre Suisse Delectronique Et De Microtechnique Sa – Rech Et Developpement Procédé de formation d’un châton de sertissage sur un substrat non-ductile et objet obtenu selon ce procédé.
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Publication number Publication date
CH712875B1 (fr) 2022-10-31
CH712875A1 (fr) 2018-03-15
US10444708B2 (en) 2019-10-15
CN107797438A (zh) 2018-03-13
US20180067457A1 (en) 2018-03-08
EP3291024A1 (de) 2018-03-07
HK1251668A1 (zh) 2019-02-01

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