EP3579059B1 - Anzeigesystem, das ein anzeigemodul mit beweglichen organgen um verformbare verbindungen herum und eine reversible blockiervorrichtung dieser beweglichen organe in mindestens einer position umfasst - Google Patents

Anzeigesystem, das ein anzeigemodul mit beweglichen organgen um verformbare verbindungen herum und eine reversible blockiervorrichtung dieser beweglichen organe in mindestens einer position umfasst Download PDF

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Publication number
EP3579059B1
EP3579059B1 EP19175384.7A EP19175384A EP3579059B1 EP 3579059 B1 EP3579059 B1 EP 3579059B1 EP 19175384 A EP19175384 A EP 19175384A EP 3579059 B1 EP3579059 B1 EP 3579059B1
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EP
European Patent Office
Prior art keywords
display
pusher
members
actuating
module
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EP19175384.7A
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English (en)
French (fr)
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EP3579059A1 (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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    • 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

Definitions

  • the invention relates to the general field of microtechnology and in particular the manufacture of parts by etching silicon.
  • the invention relates more particularly to a display system comprising at least one mechanical display module comprising a plurality of movable elements relative to each other around at least one deformable connection and a reversible blocking device for said movable elements in at least one position, thus allowing an animated display following determined sequences.
  • the display system of the invention finds particular application in the watch industry, in particular for the production of animated watch dials or clocks, but also for any type of animated display for aesthetic, informational or other purposes.
  • Analog display systems particularly with needles, have been known and 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 representing a value of measurement of 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 consist 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 piece of equipment. watchmaking.
  • the needle performs a corresponding rotation, at least one of its free ends describing a trajectory of circular section thus pointing at each of its positions on the circular trajectory value indication information measured physics, a date of time, or in general any information to be indicated to a user.
  • the indication is thus carried out 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.
  • the display elements of the module are set in motion by means of a cam rotated, for example by a watch movement, and which during its rotation pushes an actuating arm mobilizing the flexible connections and the appropriate movement of the display elements between a rest position and a display position, thus producing a digital display of the value of the time (or any date).
  • the time pattern is then visible for a limited duration corresponding to the duration of the passage of the highest point of the active sector of the cam in contact with the actuating arm then gradually disappears as the arm of actuation, driven by the restoring forces of the flexible connections, follows the descending profile of the cam sector and causes the display elements to move away from each other and the patterns to disappear.
  • the activation sector of the main cam is established so that the time is entirely readable from the start of an hour (corresponding to the passage of the minute hand at 12 o'clock) until a few minutes from the change of time. 'hour during which the current hour h gradually disappears as the hour h+1 appears, like a dissolve transition, until the exact hour, from which only l The hour h+1 is visible on the dial.
  • the encrypted display patterns being arranged in steps of 30° within the display module, the active sector of the cam must have a value greater than 30° to allow crossfading.
  • the aim of the present invention is to overcome this drawback and to propose a solution allowing a complex display, permanent or not, of the display patterns, where appropriate with sequential animations.
  • the present invention proposes a display system and a timepiece as defined in the claims.
  • the invention relates to a display system comprising a display module as described in the application CH712875 and a reversible blocking device for the actuation pushers of the mobile display members of said display module.
  • the display module comprises, in known manner, a fixed frame and at least two substantially rigid display members, each comprising a display portion of a pattern, said display portions being complementary to one another by 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 and movable relative to the frame via a deformable connection at least between a first rest position in which said display portions are spaced apart from each other and a display position in which said display portions are counterposed to each other to form and display said pattern.
  • Said display members are movable relative to the frame cooperate with an actuating pusher arranged to transmit a movement force of this display member by elastic deformation around its deformable connection(s) from said rest position to said position d 'display.
  • rigid display members elements of the display module participating in the punctual display of a time date and made of a material whose Young's modulus is greater at 2.3 GPa.
  • said display members, the frame and the deformable connections form a monolithic part.
  • the elements of the display module are made of a single material without assembly.
  • the display module of the invention can for example be produced by molding and/or machining 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 surface of the silicon can be covered with different layers (oxide, metal, etc.) in order to improve its aesthetics or its mechanical performance, or to allow the addition of decorative elements to the surface.
  • the display module can thus advantageously be produced by deep silicon etching processes.
  • At least one display member may comprise several deformable connections relative to the frame.
  • the provision of several deformable connections makes it possible in particular to limit the number of degrees of freedom of a display member relative to the frame, for example in translation or in rotation.
  • the deformable connections are preferably made up of flexible blades with a width of between 2 and 50 microns, the thickness of the frame and the display member(s) being greater than 30 microns. This dimensioning thus effectively provides an elastic character to the flexible blades forming the deformable connections while the thicker portions of the frame and the display members are completely rigid and devoid of elastic character.
  • the reversible blocking device for the actuation pushers of the display members forms a monolithic part with said display members, the frame and the deformable connection(s).
  • the reversible blocking device and the display module form a multilevel monolithic assembly.
  • the reversible blocking device comprises piston actuators arranged to mobilize said actuation pushers in response to a command from a control device.
  • the reversible blocking device comprises blocking members arranged to maintain said actuation pushers in response to a command from a control device.
  • the reversible blocking device comprises complementary blocking members arranged at least partially on the actuation pusher to maintain said actuation pushers in the display position of the display members and able to be released in response to a command from a control device.
  • the display system of the invention comprises an actuation device arranged to transmit a motor force on the actuation pusher so as to induce a movement of the movable display member(s) from the rest position towards the display position.
  • the actuating device may comprise a cam or a lug, said actuating device being movable in rotation around an axis of rotation and arranged relative to the actuation pusher such that said cam or said lug exerts at least an angular position around the axis of rotation on the actuating pusher a force capable of mobilizing said pusher
  • the actuation device is also a device for controlling said device for blocking the actuation pushers.
  • the present invention finally relates to a timepiece characterized in that it comprises a display system as previously described.
  • the actuation device of the display system is preferably linked kinematically to the hour mobile and/or the minute mobile of a watch movement and the display module(s) are arranged to display a date of time.
  • the display system is also configured to display the hours over 12 consecutive hours and arranged in kinematic connection with the watch movement to indicate a time date by successive blocking at each full hour of the display members of the corresponding pattern until displaying the pattern “12” during which the other patterns disappear successively in clockwise or counterclockwise direction by releasing the blocking device of said actuation pushers.
  • the present invention relates to an analog display system of a new type, allowing the production of complex animations within the display organs of said display system and according to different display modalities and purposes.
  • the display system of the invention can be applied to an entire watchmaking system for displaying time by digital and analog representation, that is to say in the form of figures formed by means of display.
  • analog display as opposed to electronic type display devices, of the desired hourly date, for example the value of the hour h.
  • the invention arises from the principles already described in the application CH 712875 of the applicant which describes a dial allowing an animated display of the time.
  • This dial can be formed of twelve elementary modules each animating an hour as presented on the Fig. 1A and 1B , or even be formed on a monolithic form comprising the twelve modules linked together in a unitary part.
  • the display of a said hourly date h is however identical whatever the form of embodiment of the dial.
  • a display module 1 consists of a digital display module of a pattern M such as a digit or a number comprising a fixed frame 2 to which at least two display members, in l species five display members 31, 32, 33, 34, 35 to form the number “12” ( Figure 1B ).
  • the display members 31, 32, 33, 34, 35 are integral with the frame 2 and each comprise a display portion of the pattern M, said display portions being complementary to each other so as to form said pattern M in at least one display position as shown in Figure 1B .
  • At least some of the display members 31, 32, 33, 34, 35 are movable relative to the frame 2 via at least one deformable connection 4 formed by at least one flexible blade 41 between a first rest position, shown on the Figure 1A , in which the display portions of the display members 31, 32, 33, 34, 35 are spaced apart from each other and said display position, shown on the Figure 1B , in which said display portions are counterposed to each other to form and display the pattern M.
  • the movement of the movable display members around their deformable connection 4 between the rest and display positions results from the movement of an actuating pusher 5 also secured to the frame 2 by a structure 8 for guiding in linear translation with blades flexible 81.
  • the pusher 5 comprises at its lower end a contact member adapted to cooperate with actuating device 6, such as a cam 61 movable in rotation around an axis A.
  • actuating device 6 such as a cam 61 movable in rotation around an axis A.
  • the pusher 5 comprises a plate 51 to which are secured two flexible “butterfly” pivots 42 connected to the base of deformable actuation rockers B1, B2 to the upper end of which the display members 32, 33, 34 are attached.
  • the display members are thus mobile around the deformable connections.
  • Such a construction has the advantage of providing no friction within the display module 1 due to movements, only deformations, therefore minimal energy loss.
  • 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 producing the display module 1 of the invention is silicon, monocrystalline or polycrystalline, from which one can easily, 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, 34, 35 connected to each other by at least one or more flexible blades 41 with a width of between 2 and 50 microns, the thickness of the frame 2 and the display member(s) being preferably greater than 30 microns.
  • the frame 2 of the display module 1 can be fixed on a dial, a disk or directly on the middle of a watch case for a skeleton watch by any appropriate means and in particular gluing or welding.
  • an actuating device 6 one comprising one or more cams 61, is kinematically linked to the hour barrel and pivots around the A axis, for example centered on the dial of the watch as in a classic needle display.
  • An animated display system comprising mobile display portions following a determined period to generate a visual animation effect within the display.
  • the actuation of the display is entirely dependent on the interaction of the pusher 5 with the cam 61.
  • the angular sector of activation of the cam 61 corresponding to its parts which can have an action on the pusher 5, includes an ascending profile A1, a high point A2 and a descending profile A3.
  • the pattern M formed in the display position that is to say when the pusher 5 is in contact with the high point A2 of the cam 61, is visible throughout the duration of the high point then gradually disappears over time. that the rod of the pusher 5, driven by the return forces of the flexible mechanisms 8, 42, B1, B2, follows the descending profile and causes the display members 31, 32, 33, 34, 35 to move away from each other others.
  • the separation is complete when pusher 5 returns to its lower rest position.
  • the activation sector of the cam 61 is established so that the time is entirely readable from the beginning (minute hand indicating "12") until a few minutes of the time change during which the time current h gradually disappears as the time h+1 appears, like a dissolve transition, until the exact time, from which only the time h+1 is visible on the dial.
  • the modules must then be located on the dial in steps of 30° and the activation sector of the cam 61 of the actuating device 6 must have a value greater than 30° to allow crossfading.
  • the present invention aims to improve a display system consisting of one or more modules as previously described in order to be able to provide an evolving display of the time, also taking into account the transition to 12h/24h, as for example with displays paddle or digital on 12 hours.
  • This complex animated display sequence allows for both digital and analog representation of the progression of time, as well as the passage of noon (am/pm).
  • the pusher 5 is brought from its rest position ( Fig. 3A ) to its top display position ( Fig. 3B ) by means of a single cam actuating device 61 driven by the hour wheel of the watch movement. Maintaining the pusher 5 of a module in the high display position to carry out the above-mentioned display sequence is obtained by blocking members 9, of the clamp or friction pad type, actuated by the watch movement when the cam 61 reaches its high point.
  • the blocking members 9 allow you to block or unblock individually the descent of each of the rods of the pushers 5 towards their rest position. This blocking can be carried out in the high position or in any other intermediate position between the high position and the rest position.
  • the pusher rod 5 advantageously comprises discrete stopping points formed by notches 52 materialized by notches 52a or protrusions 52b, preferably in the shape of a triangular harpoon, intended to cooperate with a complementary blocking member 9 controlled by the watch movement and fitted with a bolt 91 allowing it to be blocked ( Fig.
  • This embodiment therefore makes it possible to significantly reduce the bulk of the pusher locking elements 5 controlled by the watch movement at the level of each unit display module 1.
  • it still requires the implementation of a mechanism for controlling said blocking elements according to the previously defined sequence, which implies an appropriate control mechanism, mechanical or electronic, and therefore an adaptation of an existing watch movement, such as the two previous approaches.
  • This embodiment represents an improvement of the previous one, with even greater integration of the blocking elements within the unit display modules.
  • at least one stop notch in the form of a triangular harpoon 52 is formed on the rod of the pusher 5 and a locking trigger 10 is formed of material in connection with the frame 2 substantially facing the movement zone of the notch. stop 52.
  • the locking trigger 10 is composed like the rest of the silicon module 1 and comprises a rigid body 101 incorporating at an upper end a bolt 102 forming lateral projection on the rigid body 101 in the direction of the rod of the pusher 5.
  • the base of the rigid body 101 comprises a finger 103 connecting to the frame 2 via a flexible blade 110, which allows the rigid body 101 to pivot or more exactly tilt relative to the frame 2 and the pusher 5 when a constraint is applied to the rigid body 101 or to the bolt 102.
  • FIG. 5A represents module 1 and pusher 5 in the rest position, that is to say similar to the Figure 1A , with the display members 31, 32, 33, 34, 35 separated from each other, the pattern M not being formed.
  • cam 61 engages the lower end of pusher 5 and reaches its high point ( Fig.
  • the push rod 5 is pushed upwards, which causes the stop notch 52 to rise, the beveled plane of which bears on the bolt 102 of the trigger 10 during the rise and pushes it back, causing the tilting of the trigger 10 around its flexible connection 110. Arriving at the high point the stop notch exceeds the bolt 102 which falls under the stop notch by the elastic return effect of the connection 110 on the trigger 10. The trigger notch 10 stop then rests on the bolt 102, locking the pusher 5 in the high display position. Trigger 10 is then engaged. The release of the trigger 10 to allow the return of the pusher 5 to its rest position occurs ( fig.
  • a trigger element 9 composed of a pusher or a cam controlled by the watch movement
  • said trigger element 9 bearing on a latch 104 for releasing the trigger 10 by making it tilt, which releases the catch 52 and allows the pusher rod 5 to return to its rest position, as do the display elements of module 1.
  • This embodiment presents an embodiment of a complete monolithic display CD dial, partially represented at Figures 8A to 8F , comprising monolithic modules 1, 1' associated with a blocking device 9 integrated into said modules 1, 1' and comprising all the functions necessary for blocking and unlocking the pushers 5 of the modules 1, 1' in order to produce a sequence of animated display of the time as previously defined.
  • the dial CD made up of such modules 1, 1' does not require any modification of a watch movement with which it is associated and the actuation of the pusher 5 of the module 1 as well as its blocking/unblocking only requires the actuation device 6 to cam 61 or the like coupled to the hour wheel of the movement, as presented in relation to the Figures 1A and 1B .
  • the modules 1, 1' present in this embodiment a more complex structure, obtained on three levels of etching A, B, C of a base substrate, preferably formed of a composite substrate of the SOI (Silicon On Insulator) type. ) represented schematically at Figure 10
  • SOI Silicon On Insulator
  • the CD hour display dial is made up of a set of two types of modules 1, 1'.
  • the first type of module 1 is an elementary module as presented on the Fig.1 , equipped with a blocking device adapted to keep the display of the pattern M of each module 1 active until the next passage at noon/midnight. This first type of module 1 is therefore intended to display the hours from “1” to “11”.
  • the second type of module 1' is an elementary module as presented on the Fig.1 , equipped with an unlocking device adapted to release the blocking device of each module 1 of the first type when passing 12 p.m. (noon/midnight) in order to provide the corresponding animation as defined in the predefined desired display sequence . This second type of module 1' is therefore intended to display "12".
  • This first type of module 1 is represented in an embodiment preferred to Figures 6A to 6D .
  • the pusher rod 5 comprises at least one discrete stop notch in the shape of a triangular harpoon 52.
  • the pusher 5, as well as the frame 2 to which it is attached, the translation device 8, the connections flexible butterflies 42, the flip-flops B1, B2, the display members 31, 32, 33, 34, 35 and the flexible blades 4 are produced on the upper level (Si Device - A) of an SOI substrate.
  • Module 1 also includes a locking trigger 12, which is produced on a lower level (Si Handle - B) of the same SOI substrate.
  • This locking trigger 12 is composed of a rigid body 121 of complex shape, comprising a lower plate 121a, secured to a median straight section 121b itself secured to an arcuate terminal sector 121c.
  • a free end of the lower plate 121a comprises a trigger finger 1211 and a trigger lever 1212 and the free end of the terminal sector 121c forms a bolt 1214 whose shape extends in thickness to the upper level.
  • the bolt 1214 forms a projection perpendicular to the plane PB in which the trigger 12 is formed and which extends in the plane PA of formation of the pusher 5 and its stop notch 52 such that these elements can cooperate with each other.
  • the body of the trigger 121 can pivot thanks to a set of flexible blades 1215 which connects it to the frame 2 module 1 at the upper level by a connecting pillar 1216.
  • the trigger 12 and the pusher 5 of module 1 are initially in their rest position.
  • the push rod 5 rises ( Fig. 6B ) under the action of the actuation cam (not shown) secured to the hour wheel as on the figures 1A, 1B
  • the beveled part of the stop 52 pushes back the bolt 1214 and causes the trigger 12 to tilt around its flexible rocker formed by the blades 1215.
  • the pusher 5 is in position display and the stopper 52 has passed above the bolt 1214 which then returns to its rest position and prevents the push rod 5 from descending.
  • Trigger 12 is then engaged.
  • Module 1 finally includes a mechanism 16 which allows the time to be adjusted in counterclockwise mode, the operation of which is detailed below.
  • This mechanism makes it possible more particularly to disengage the trigger 12 so that it does not act on the pusher 5 when setting the time in the counterclockwise direction.
  • the second type of module 1' of the animated CD display dial of the invention in this 5th approach is represented in Figures 7A to 7D .
  • This mechanism firstly comprises a double cam 17 formed on the pusher 5' of said module 1', this double cam 17 acting on a mechanism for releasing the triggers 12 of the modules 1 such as previously presented to allow the release of the pusher 5 of each module 1 and its return to the rest position.
  • the double cam 17 consists of an arrow or tip comprising two inclined planes 17a, 17b symmetrical to each other with respect to the longitudinal direction of the pusher rod 5' through which the tip 17c for joining said inclined planes 17a, 17b, the inclined plane 17a for activating the expansion mechanism in a clockwise direction of rotation and the inclined plane 17b for activating the expansion mechanism in a counterclockwise direction.
  • the trigger mechanism is formed on the lower level of the substrate in which the modules 1, 1' are etched and comprises a movable trigger wheel 13 shaped to interact with the double cam 17 of the module 1' of the second type to allow release of the locking trigger 12 of the modules 1 of the first type during the transitions to the time of noon and midnight, that is to say each time the CD dial passes 12 o'clock. It comprises a fixed hub 14 to which the trigger wheel 13 is connected and relative to which it can pivot via at least one flexible blade 15 or a set of radial flexible blades between the hub 14 and the trigger wheel. relaxation 13 ( Fig. 6A ).
  • the fixed hub 14 is connected to the frame 2 of the module 1 between the two engraving levels thereof, in a conventional manner in itself.
  • the trigger wheel 13 is advantageously shaped to cooperate on the one hand with the fingers 1211 of the triggers 12 of each module 1 of the first type of the dial CD and on the other hand with the double cam 17 of the module 1' of the second type forming said CD dial. It thus comprises on its upper peripheral field (with reference to the figures), at the level of said finger 1211 of the trigger 12 of each module 1 a recess 131 forming at its ends a clockwise expansion cam 132 and a counterclockwise expansion cam 133.
  • a trigger feeler 18 formed this time on the lower field (still with reference to the figures) of the trigger wheel 13 at the level of the module 1' of the second type, said feeler 18 comprising a contact ball 181 formed at the free end of a flexible blade 182 whose base is connected to an inversion rocker 19.
  • the inversion rocker 19 has at one of its ends a rocker contact 20 and at the other end a striker rocker 21.
  • the inversion rocker 19 can pivot around its point of junction with the blade 182 thanks to a pair of flexible blades 22 symmetrical with respect to said flexible blade 183 of the contact 18 and which connects it to an arch 134 of the trigger wheel 13.
  • This inversion rocker 19 is arranged and shaped to cooperate with a rocker trigger 23.
  • the rocker trigger 23 comprises at one end a contact tip 231 to the hub 14 and at the other end a bolt 232 for contact with the reversing rocker 19, bolt 232 by which it is also linked to the trigger wheel 13 by means of a flexible
  • the rocker contact 20 comes to rest on an inclined plane forming a rocker cam 141 on an arm arranged in the fixed hub 14 of the trigger wheel, and causes the rotation to the left of the inversion rocker 19 ).
  • the rocker striker 21 engages in the bolt 232 of the trigger 23, thus blocking the reversal rocker 19 in its position turned towards the left on the Figure 7B .
  • This rotation adds an additional rotational torque to the left in the flexible blade 182, which was already experiencing a return torque to the left due to the movement of the trigger feeler 18 against the hourly stop 24.
  • the trigger wheel 13 During the first descent of the pusher 5', the trigger wheel 13 returns to its rest position, as illustrated on the Fig. 7C .
  • the inversion rocker 19 being blocked in the left-turned position, the torque of rotation towards the left that it induces in the flexible blade 182 causes the trigger feeler 18 to move to a counterclockwise stop 25 opposite the clockwise stop 24.
  • the center of the trigger feeler 18 is offset to the left relative to the axis of translation of the pusher rod 5'.
  • the tip of the double cam 17 is located to the right of the trigger sensor 18 which is therefore activated by the counterclockwise part 17a of the double cam 17.
  • the upward movement then results in a rotation of the trigger wheel 13 in the anticlockwise.
  • the rocker trigger contact 23 comes to bear on a trigger cam 142 formed on an arm of the fixed hub 14 and causes the rotation to the right of the rocker trigger 23.
  • the bolt 232 of the rocker trigger 23 releases the rocker keeper 21.
  • the inversion rocker 19 Before being thus released, the inversion rocker 19 was subjected to a torque of rotation towards the right from the constrained blades 22 greater than the torque induced towards the left by the blade 182 due to the movement of the feeler 18 against the counterclockwise stop 25. When it is released, the inversion rocker 19 will then turn to the right and take an equilibrium position such that the rocker keeper 21 passes above the reversing rocker bolt 22 and can therefore no longer be blocked by it.
  • the trigger wheel 13 During the second descent of the pusher 5, the trigger wheel 13 returns to its rest position, as well as the trigger and the reversal rocker 19 now released.
  • the probe 18 returns to its rest position. The system therefore finds itself in the rest position as illustrated on the Fig. 7A . Each time the pusher 5 is raised, this device therefore makes it possible to cause the rotation of the trigger wheel 13, in a direction opposite to the previous direction of rotation.
  • the clockwise trigger cam 131 lifts the finger 1211 of the locking trigger 12 12, which raises the plate 121a of the locking trigger 12 and causes it to pivot around the links 1215 , releasing the bolt 1214 from its engagement with the catch 52, which allows the pusher to return to its rest position.
  • the relative position of the finger 1211 of the locking trigger 12 relative to the hourly trigger cam 131 makes it possible to set the moment of triggering of the locking trigger 12 12 depending on the advance of the trigger wheel 13 in the clockwise direction.
  • the locking trigger 12 12 is triggered by the counterclockwise trigger cam 132 when the trigger wheel 13 is rotating counterclockwise, at a time determined by the initial relative position of the finger 1211 of the locking trigger 12 relative to the locking cam counterclockwise expansion 132.
  • FIG. 8A to 8F represents in detail the different phases of operation of the blocking and unlocking mechanisms of the modules 1, 1' forming the dial CD in this 5th approach of the invention.
  • This view represents a partial CD dial integrating the modules 1 of hours "11" and "1" framing module 1' of display of a twelfth hour. These views do not show the entirety of the modules 1, 1' constituting the dial CD, but only an enlargement of the critical zone of the dial CD where the locking/unlocking mechanisms of the pusher rods 5 previously presented.
  • time n+1 begins to form from time n plus 58 minutes.
  • the stem of “12” begins to rise from 11:58 a.m. and fully reaches its upper position at 12:00 p.m., this number is then fully displayed.
  • the display cycle can then start again, periodically marking the passage from noon to midnight by a periodic change in the direction of "disappearance" of the display of hours “1" to "11".
  • each module 1, 1' being designed to cooperate with an actuation device 6 in a direction of hourly progression in accordance with the mobility of the hour wheel of a watch movement. For example, if at an hour n, n being an integer between 1 and 12, we advance by 2 hours then we display all the hours from “1” to n+2. On the other hand, if we set the time in counterclockwise mode, for example as for the transition from winter time to summer time, we must go back from hour n to hour n-1.
  • the blocking mechanism presented on the Fig.6 incorporates a counterclockwise unlocking device 16 The operation of this device 16 is illustrated on the Fig.9A to 9F .
  • the counterclockwise adjustment device 16 includes at one of its ends a follower contact 161 and a pusher 162 whose shape extends to the lower level of a module 1, at the other end. This device can move in translation through two flexible parallel blades 163 which connects it to frame 2 of the dial CD.
  • the cam 61 of the actuating device 6 linked to the hour wheel of the watch movement comes to press on the contact 161 the device is pushed upwards, the pusher lifts the free end of the plate 121 of the trigger 12 triggering thus said trigger 12 which releases the pusher 5.
  • This device has no influence on the normal direction of movement of the watch movement, which is clockwise. Indeed, as is visible on the Fig. 9B , during the rotation of the cam 61, driven by the hour wheel, the cam 61 first raises the contact 161 which triggers the trigger 12, then the pusher 5 whose rise is facilitated by the trigger 12 in triggered state. However, when the cam 61 continues its rotation the system goes through a state represented in the Fig. 9C where the inversion rocker 19 does not engage because the follower contact 161 is no longer in contact with the cam 61 while the pusher 5 is maintained in its high state. After the passage of cam 61, pusher 5 is blocked in the high state, as can be seen on the Fig.9D .
  • the cam 61 can rotate counterclockwise, for example to move back one or more hours.
  • the cam 61 first pushes the pusher 5 which is already in the high state, then pushes on the contact 161, which triggers the trigger 12.
  • the cam 12 continues its rotation the system passes through a state represented in the Fig. 9E where the inversion rocker is always triggered because the follower contact 161 is pushed by the cam 61 while the pusher 5, released, descends little by little following the profile of the cam.
  • the trigger 12 re-engages and the pusher 5 remains in the low position, as can be seen on the Fig.9F .
  • a preferred application of the invention concerns 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.

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

Claims (12)

  1. Analoges Anzeigesystem, umfassend:
    - Eine Mehrzahl von Anzeigemodulen (1, 1'), die jeweils einen festen Rahmen (2) und mindestens zwei im Wesentlichen starre Anzeigeelemente (31, 32, 33, 34, 35) umfassen, wobei die Anzeigeelemente jeweils einen Anzeigeabschnitt (31a, 32a, 33a, 34a, 35a) eines Musters (M) umfassen, wobei die Anzeigeabschnitte komplementär zueinander sind, so dass sie das Muster (M) in mindestens einer relativen Position der Anzeigeelemente bilden,
    - wobei mindestens eines der Anzeigeelemente fest mit dem Rahmen (2) verbunden und relativ zu diesem über eine verformbare Verbindung (4, 7, 8) mindestens zwischen einer ersten Ruheposition, in der die Anzeigeabschnitte voneinander beabstandet sind, und einer Anzeigeposition, in der die Anzeigeabschnitte gegeneinander anliegen, um das Muster zu bilden und anzuzeigen, beweglich ist,
    - das oder die genannten, relativ zum Rahmen beweglichen Anzeigeelemente mit einem Betätigungsschieber (5) jedes Anzeigemoduls (1, 1') zusammenwirken, der so beschaffen ist, dass er eine Kraft zur Verschiebung dieses Anzeigeelements durch elastische Verformung um seine verformbare(n) Verbindung(en) von der Ruhestellung in die Anzeigeposition überträgt,
    - eine Betätigungsvorrichtung (6), die so angeordnet ist, dass sie eine Motorkraft auf den Betätigungsschieber überträgt, um eine Bewegung des oder der beweglichen Anzeigeelemente aus der Ruheposition in die Anzeigeposition zu induzieren, wobei das Anzeigesystem Folgendes umfasst:
    - eine umkehrbare Sperrvorrichtung (9, 10, 12, 13, 17, 52, 62) der Betätigungsschieber (5) der beweglichen Anzeigeorgane von mindestens einem Teil der Anzeigemodule (1, 1'), wobei die umkehrbare Sperrvorrichtung der Betätigungsschieber der Anzeigeorgane ein monolithisches Teil mit den Modulen (1, 1') bildet.
  2. Anzeigesystem nach Anspruch 1, dadurch gekennzeichnet, dass die Anzeigeelemente, der Rahmen und die verformbare(n) Verbindung(en) ein monolithisches Teil bilden.
  3. Anzeigesystem nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die umkehrbare Sperrvorrichtung und die Anzeigemodule (1, 1') eine mehrstufige monolithische Einheit bilden.
  4. Anzeigesystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die verformbaren Verbindungen (4) aus flexiblen Lamellen (15, 41, 81, 110, 181, 1215) mit einer Breite zwischen 2 und 50 Mikrometern bestehen, wobei die Dicke des Rahmens (2) und des Anzeigeelements oder der Anzeigeelemente (3) größer als 30 Mikrometer ist.
  5. Anzeigesystem nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Anzeigemodule (1, 1') und die umkehrbare Sperrvorrichtung aus monokristallinem oder polykristallinem Silizium bestehen.
  6. Anzeigesystem nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die umkehrbare Sperrvorrichtung Blockierelemente (9) aufweist, die so angeordnet sind, dass sie die Betätigungsschieber in Reaktion auf einen Befehl einer Steuervorrichtung halten.
  7. Anzeigesystem nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die umkehrbare Sperrvorrichtung komplementäre Blockierelemente (10, 12, 13, 17, 52) umfasst, die zumindest teilweise auf dem Betätigungsschieber (5) angeordnet sind, um den Betätigungsschieber in der Anzeigeposition der Anzeigeelemente zu halten, und die als Reaktion auf einen Befehl von einer Steuervorrichtung freigegeben werden können.
  8. Anzeigesystem nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Betätigungsvorrichtung einen Nocken (61) oder einen Stift umfasst, wobei die Betätigungsvorrichtung um eine Drehachse (A) drehbar und relativ zum Betätigungsschieber so angeordnet ist, dass der Nocken oder der Stift in mindestens einer Winkelposition um die Drehachse auf den Betätigungsschieber eine Kraft ausübt, die ausreichend ist, den Schieber zu bewegen.
  9. Anzeigesystem nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Betätigungsvorrichtung (6) ferner eine Vorrichtung zur Steuerung der umkehrbare Sperrvorrichtung der Betätigungsschieber (5) ist.
  10. Uhr, dadurch gekennzeichnet, dass sie ein Anzeigesystem nach einem der Ansprüche 1 bis 9 umfasst.
  11. Uhr nach Anspruch 10, dadurch gekennzeichnet, dass die Betätigungsvorrichtung (6) kinematisch mit dem Stundenrad und/oder dem Minutenrad eines Uhrwerks verbunden ist.
  12. Uhr nach Anspruch 11, dadurch gekennzeichnet, dass das Anzeigesystem dazu ausgebildet ist, die Stunden über 12 aufeinanderfolgende Stunden anzuzeigen, und in kinematischer Verbindung mit dem Uhrwerk angeordnet ist, um ein Stundendatum durch sukzessives Blockieren der Anzeigeelemente des entsprechenden Motivs zu jeder vollen Stunde anzuzeigen, bis das Motiv "12" angezeigt wird, bei dem die anderen Motive nacheinander im oder gegen den Uhrzeigersinn durch Freigabe der Sperrvorrichtung für die Betätigungsschieber verschwinden.
EP19175384.7A 2018-06-08 2019-05-20 Anzeigesystem, das ein anzeigemodul mit beweglichen organgen um verformbare verbindungen herum und eine reversible blockiervorrichtung dieser beweglichen organe in mindestens einer position umfasst Active EP3579059B1 (de)

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Publication number Priority date Publication date Assignee Title
JPH03131794A (ja) * 1989-10-17 1991-06-05 Seikosha Co Ltd 文字板開閉式時計
CH691833A5 (fr) 1997-09-25 2001-10-31 Vacheron & Constantin S A Module d'affichage pour pièce d'horlogerie, notamment montre-bracelet, comportant un affichage sautant des heures et un affichage rétrograde des minutes.
CH712875B1 (fr) 2016-09-05 2022-10-31 Csem Centre Suisse Delectronique Et De Microtechique Sa Rech Et Developpement 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.

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