EP3579059A1 - 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
EP3579059A1
EP3579059A1 EP19175384.7A EP19175384A EP3579059A1 EP 3579059 A1 EP3579059 A1 EP 3579059A1 EP 19175384 A EP19175384 A EP 19175384A EP 3579059 A1 EP3579059 A1 EP 3579059A1
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EP
European Patent Office
Prior art keywords
display
members
actuating
pusher
module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19175384.7A
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English (en)
French (fr)
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EP3579059B1 (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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Publication of EP3579059A1 publication Critical patent/EP3579059A1/de
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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 silicon etching.
  • the invention more particularly relates to a display system comprising at least one mechanical display module comprising a plurality of relatively movable elements around at least one deformable link and a reversible locking device of said movable elements. in at least one position, thus allowing animated display according to certain sequences.
  • the display system of the invention finds particular application in the watch industry, in particular for the production of watch dials or animated 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 of representation of a value of measuring a physical quantity such as speed, temperature, pressure, intensity, voltage or electrical resistance, any information, or probably the most widespread for the measurement of time.
  • the hands of a display device consist of a rigid unitary body integral with an axis of rotation mu by a movement, for example a watch movement in the case of a piece of watchmaking.
  • the needle performs a corresponding rotation, at least one of its free ends describing a circular section trajectory thus pointing in each of its positions on the circular path information value indication physical measured, a calendar of time, or generally any information to be indicated to a user.
  • the indication is thus made essentially in the longitudinal axis of the needle at one and / or the other of its opposite ends, in collaboration where appropriate with an underlying display, such as a scale by example.
  • the applicant has proposed in the patent CH712875 the production of monolithic display modules obtained by silicon etching and making it possible to produce watch dials or any digital display or animated aesthetics, comprising movable display elements around flexible links formed in the mass during the etching of the modules.
  • the display elements of the module are set in motion by means of a cam that is rotated, for example by a watch movement, and during its rotation pushes an actuating arm that mobilizes the flexible links and the suitable movement of the display elements between a rest position and a display position, thereby providing a digital display of the value of the time (or of any date).
  • the time pattern is then visible for a limited time corresponding to the duration of the passage from the highest point of the active sector of the cam to the contact of the actuating arm and then gradually disappears as the arm of actuation, driven by the restoring forces of the flexible links, follows the downward profile of the sector of the cam and causes the distance of the display elements from each other and the disappearance of the patterns.
  • the activation area of the main cam is set so that the time is completely readable from the beginning of one hour (corresponding to the passage of the minute hand at 12 o'clock) until a few minutes of the change of time.
  • the active sector of the cam must have a value greater than 30 ° to allow the cross-fade.
  • the object of the present invention is to overcome this disadvantage and to propose a solution allowing a complex display, permanent or not display patterns, where appropriate with sequential animations.
  • the present invention provides 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 locking device of the actuating pushers of the movable 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 having a display portion of a pattern, said display portions being complementary to each other. so that they form the said pattern in at least one relative position of said display members.
  • At least one of the display members is secured to and movable relative to the frame via a deformable link at least between a first rest position in which said display portions are spaced from each other and a display position in which said display portions are counter-affixed to each other to form and display said pattern.
  • Said display members are movable relative to the frame and cooperate with an actuating pusher arranged to transmit a displacement force of this display member by elastic deformation around its or its deformable connections from said rest position to said position of display.
  • rigid display members refers to elements of the display module that participate in the one-time display of a time calendar and consist of a material whose Young's modulus is greater than at 2.3 GPa.
  • said display members, the frame and the deformable links form a monolithic piece.
  • the elements of the display module are formed of a single material without assembly.
  • the display module of the invention may for example be made 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 silicon surface can be covered with different layers (oxide, metal, ...) to improve its aesthetics or its mechanical performance, or to allow the addition of decorative elements on the surface.
  • the display module can thus advantageously be produced by deep silicon etching processes.
  • At least one display member may comprise a plurality of deformable links relative to the frame.
  • the procuration of several deformable links 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 links are preferably made 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 elasticity to the flexible blades forming the deformable links while the greater thickness portions of the frame and the display members are completely rigid and have no elastic nature.
  • the reversible locking device of the operating actuators of the display members forms a monolithic piece with said display members, the frame and or the deformable links.
  • the reversible blocking device and the display module form a multi-level monolithic assembly.
  • the reversible locking device comprises piston actuators arranged to mobilize said actuating pusher in response to a control of a control device.
  • the reversible locking device comprises locking members arranged to maintain said actuating pushers in response to a control of a control device.
  • the reversible locking device comprises complementary locking members arranged at least partially on the actuating pusher for holding said actuating pushers in the display position of the display members and able to be released in response to a control of a control device.
  • the display system of the invention comprises an actuating device arranged to transmit a motor force on the actuating pusher so as to induce a displacement of the movable display member (s) from the rest position to the display position.
  • the actuating device may comprise a cam or a pin, said actuating device being rotatable about an axis of rotation and arranged relative to the actuating pusher so that said cam or said pin exerts at least an angular position around the axis of rotation on the actuating pusher a force able to mobilize said pusher
  • the actuating device is also a device for controlling said device for locking the actuating push-buttons.
  • the present invention finally relates to a timepiece characterized in that it comprises a display system as previously described.
  • the actuating device of the display system is preferably kinematically linked to the hours mobile and / or the minute mobile of a watch movement and the display module or modules 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 a kinematic connection with the watch movement to indicate a calendar time by successive blocking each hour full of display members of the corresponding pattern up to display pattern "12" in which the other patterns disappear successively clockwise or anticlockwise by releasing the locking device of said actuators.
  • the present invention relates to an analog display system of a new kind, allowing the realization of complex animations within the display members of said display system and according to different modes and purposes of display.
  • the display system of the invention can be applied to a whole timekeeping system by the digital and analog representation, that is to say in the form of figures formed by bodies of analog display, as opposed to electronic type display members, the desired time period, for example the value of the hour h.
  • This dial can be formed of twelve elementary modules each animating an hour as presented on the Fig. 1A and 1B or be formed on a monolithic form comprising the twelve modules interconnected in a unitary room.
  • the display of a said calendar date h is however identical regardless of the embodiment of the dial.
  • a display module 1 consists of a digital display module of a pattern M such as a number or a number comprising a fixed frame 2 to which at least two display members, 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 one another so as to form said M in at least one display position as shown in FIG. Figure 1B .
  • At least some of the display members 31, 32, 33, 34, 35 are movable relative to the frame 2 by means of at least one deformable link 4 formed by at least one flexible blade 41 between a first rest position, shown on the Figure 1A , wherein the display portions of the display members 31, 32, 33, 34, 35 are spaced from each other and said display position, shown in FIG. Figure 1B wherein said display portions are counter-affixed to each other to form and display the pattern M.
  • the displacement of the movable display members around their deformable connection 4 between the rest and display positions results from the displacement of an actuating pusher 5 also integral with the frame 2 by a linear guide 8 blade translation structure 8.
  • the pusher 5 comprises at its lower end a contact member adapted to cooperate with an actuating device 6, such as a cam 61 rotatable about an axis A.
  • the pusher 5 comprises a plateau 51 of which are secured two flexible "butterfly" pivots 42 connected to the base of deformable actuating flip-flops B1, B2 at the upper end of which are attached the display members 32, 33, 34.
  • the display members are thus mobile around the deformable links.
  • Such a construction has the advantage of not providing any friction within the display module 1 due to movements, only deformations, therefore a minimum energy loss.
  • the display module 1 of the invention is advantageously constituted by a monolithic piece 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 embodiment of the display module 1 of the invention is silicon, monocrystalline or polycrystalline, from which it can easily, for example by deep etching processes (including DRIE - for Deep Reactive-ion Etching in English), forming 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 disc or directly on the middle part of a watch case for a skeleton watch by any appropriate means and in particular gluing or welding.
  • an actuating device 6 one having one or more cams 61, is kinematically linked to the hour gun and pivots around the axis A, for example centered on the dial of the watch as in a conventional needle display.
  • An animated display system comprising movable display portions according to a determined period to generate a visual animation effect within the display.
  • the operation 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 may have an action on the pusher 5 comprises a rising profile A1, a high point A2 and a downward profile A3.poussoirpoussoir.
  • 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 and then gradually disappears as and when that the rod of the pusher 5, driven by the restoring forces of the flexible mechanisms 8, 42, B1, B2, follows the descending profile and causes the removal of the display members 31, 32, 33, 34, 35 any of the other.
  • the separation is complete when the pusher 5 returns to its low rest position.
  • the activation sector of the cam 61 is set so that the time is completely readable from the beginning (minute hand indicating the "12") until a few minutes of the time change during which time in progress h disappears little by little as the hour h + 1 appears, in the manner of a fade-in transition, until the exact time, from which only the hour h + 1 is visible on the dial.
  • Considering a complete dial consisting of 12 display modules 1 for each hour h to be displayed in a conventional form of display modules must then be located on the dial in steps of 30 ° and the activation sector of the cam 61 the actuating device 6 must have a value greater than 30 ° to allow the cross-fade.
  • the present invention aims to improve a display system consisting of one or more modules as previously described in order to provide an evolutionary display of the time, also taking into account the passage at 12h / 24h, as for example with displays with pallets or digital on 12h.
  • This disappearance sequence is counter-clockwise, indicating that the "12" displayed corresponds to midnight, this retrograde sequence marking the return to the beginning of a new day.
  • This complex animated display sequence allows both a digital and analog representation of the progression of time, as well as the passage of noon (am / pm).
  • FIGS. Figures 1A and 1B assembled or integrally formed in monolithic form in 12h display dials to cooperate with an actuating device 6 coupled to the hour wheel of a watch movement, which may be both mechanical and electronic (quartz). All of these approaches require blocking for a specified duration, corresponding to the number of hours separating the moment Normal display of the pattern M of each module at the corresponding full hour of noon or midnight, therefore the passage at 12 o'clock on the dial containing the modules.
  • the pusher 5 of a said module 1 is actuated in this approach individually by an actuating device 6 comprising twelve individual actuators 62 successively controlled by the watch movement, said actuators 62 may be fingers or pistons as shown in FIGS. Figures 2A, 2B or cams, thus controlling at all times their movement and their position ..
  • the watch movement must control the twelve individual actuators 62 which represents a significant complexity of the watch movement. This solution allows a great freedom in the display and organization of patterns.
  • Figs.3A and 3B This achievement is presented on Figs.3A and 3B .
  • the pusher 5 is brought from its rest position ( Fig. 3A ) at its top display position ( Fig. 3B ) by means of a single cam actuator 61 driven by the hour wheel of the watch movement.
  • a single cam actuator 61 driven by the hour wheel of the watch movement.
  • the locking members 9 make it possible to block or unblock individually the descent of each rod of the pushers 5 towards their rest position. This locking can be performed in the up position or in any other intermediate position between the high position and the rest position.
  • the push rod 5 advantageously comprises discrete stopping points formed by notches 52 embodied by notches 52a or protuberances 52b, preferably in the form of a triangular harpoon, intended to cooperate with a complementary locking member 9 driven by the watch movement and provided with a bolt 91 for blocking ( Fig.
  • This embodiment therefore significantly reduces the size of the pusher blocking elements 5 controlled by the watch movement at each unit unit 1 display.
  • This embodiment represents an improvement of the previous one, with an even greater integration of the blocking elements within the display unit modules.
  • a triangular harpoon catch 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 notch moving region of stop 52.
  • the locking trigger 10 is composed as the rest of the module 1 of silicon and comprises a rigid body 101 incorporating at an upper end a bolt 102 forming a 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 by means of a flexible blade 110, which allows the rigid body 101 to pivot or more exactly rock relative to the frame 2 and the pusher 5 when a constraint is applied to the rigid body 101 or the bolt 102 ..
  • the actuating device 6 of the pusher 5 is not represented by simplification of representation. However, the latter is necessary to actuate the pusher 5 and it may advantageously consist of a rotary cam 61 as in the previous examples.
  • the Figure 5A represents the module 1 and the pusher 5 in the position of rest, that is to say, similar to Figure 1A with the display members 31, 32, 33, 34, 35 separated from each other, the pattern M not being formed.
  • the cam 61 engages the lower end of the pusher 5 and reaches its high point ( Fig.
  • the push rod 5 is pushed upwards which causes the rise of the stopper 52, the beveled plane takes during the upward support on the bolt 102 of the trigger 10 and pushes it back, causing the tilting of the trigger 10 around its flexible connection 110. Arrived at the high point the detent exceeds the bolt 102 which falls under the detent by the elastic return effect of the link 110 on the trigger 10. The notch stopping then bears on the bolt 102, operating the blocking of the pusher 5 in the high position of display. The trigger 10 is then engaged. Release of the trigger 10 to allow the return of the pusher 5 to its rest position occurs ( Fig.
  • a detent element9 consisting of a pusher or a cam controlled by the watch movement
  • said detent element 9 resting on a trigger releasing latch 104 by making it toggle, which releases the detent 52 and allows the push rod 5 to return to its rest position, as well as the display members of the module 1.
  • This embodiment presents an embodiment of a complete monolithic display dial CD, partially shown in FIGS. Figures 8A to 8F , comprising monolithic modules 1, 1 'associated with a blocking device 9 integrated in said modules 1, 1' and comprising all the functions necessary for blocking and unblocking the push-buttons 5 of the modules 1, 1 'in order to produce a sequence of animated display of the time as previously defined.
  • the CD dial consisting 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 locking / unlocking only requires the actuating device 6 to cam 61 or the like coupled to the wheel of the hours of movement, as presented in relation to Figures 1A and 1B ..
  • the modules 1, 1 ' have, 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 SOI type (Silicon On Insulator ) diagrammatically shown in figure 10
  • SOI type Silicon On Insulator
  • each of the levels A, B, C of etching can be etched separately and defined a separate etching plane PA, PB, PC, the decoupling between elements different levels being achieved by a partial attack of the oxide connecting the 2 levels.
  • the hours CD display dial consists 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 active each module 1 until the next passage at noon / midnight. This first type of module 1 is therefore intended to display the hours of "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 during the passage at 12 o'clock (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 achieve the display of the "12".
  • This first type of module 1 is represented in a preferred embodiment for Figures 6A to 6D .
  • the push rod 5 comprises at least one triangular harpoon discrete stopper 52.
  • the pusher 5, as well as the frame 2 to which it is attached, the translation device 8, the links flexible butterflies 42, latches B1, B2 the display members 31, 32, 33, 34, 35 and the flexible blades 4 are made on the upper level (Si Device - A) of a SOI substrate.
  • the module 1 also comprises a locking trigger 12, which is made 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, integral with a median cross section 121b itself integral with 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 forming the pusher 5 and its detent 52 so that these elements can cooperate with each other.
  • the body of the trigger 121 can be pivoted by means of 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 the module 1 are initially in their rest position.
  • the push rod 5 rises ( Fig. 6B ) under the action of the actuating cam (not shown) integral with the hour wheel as on the Figures 1A, 1B
  • the tapered portion of the detent 52 pushes the bolt 1214 and causes the trigger 12 to tilt around its flexible latch formed blades 1215 .
  • the pusher 5 is in position display and the detent 52 is passed over the bolt 1214 which then returns to its rest position and prevents the push rod 5 to go down.
  • the trigger 12 is then engaged.
  • the module 1 finally includes a mechanism 16 which allows the setting of the time in counterclockwise mode whose operation is detailed below. This mechanism allows more particularly to disengage the trigger 12 so that it does not act on the pusher 5 during a time setting in the counterclockwise direction.
  • FIGS. Figures 7A to 7D The second type of module 1 'of the animated CD display dial of the invention in this 5th approach is shown in FIGS. Figures 7A to 7D .
  • the peculiarity of this second module 1 ', intended for the display of the "12" lies in the procuration in the monolithic structure of a mechanism for unlocking the triggers 12 blocking modules 1 of the first type.
  • This mechanism comprises in the first place a double cam 17 formed on the pusher 5 'of said module 1', this double cam 17 acting on a trigger trigger mechanism 12 of the modules 1 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 push rod 5 'through which the tip 17c junction of said inclined planes 17a, 17b, the inclined plane 17a for activating the expansion mechanism in a clockwise direction 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 expansion wheel 13 shaped to interact with the double cam 17 of the module 1' of the second type to allow a release of the locking trigger 12 of the modules 1 of the first type during passages at noon and midnight, that is to say at each passage at 12 o'clock CD dial. It comprises a fixed hub 14 to which the trigger wheel 13 is connected and relative to which it can pivot through at least one flexible blade 15 or a set of radial flexible blades between the hub 14 and the wheel of relaxation 13 ( Fig. 6A ). The fixed hub 14 is connected to the frame 2 of the module 1 between the two levels of etching thereof, in conventional manner.
  • the expansion 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 has on its upper peripheral field (with reference to the figures), at said finger 1211 of the trigger 12 of each module 1 a recess 131 forming at its ends a clockwise cam 132 and a cam counterclockwise relaxation 133. It further comprises an expansion probe 18 formed this time on the lower field (still with reference to the figures) of the expansion wheel 13 at the level of the second type of module 1 ', said probe 18 comprising a contact ball 181 formed in FIG.
  • the inverting rocker 19 has at one of its ends a flip-flop contact 20 and at the other end a strike of flip-flop 21.
  • the inverting rocker 19 can pivot about 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 13.
  • This inversion rocker 19 is arranged and shaped to cooperate with a flip-flop trigger 23.
  • the flip-flop trigger 23 has at one end a contact tip 231 at the hub 14 and at the other end a bolt 232 of contact to the inverting lever 19, bolt 232 by which it is also connected to the trigger wheel 13 by means of a flexible blade 24.
  • the flip-flop contact 20 bears on an inclined plane forming a flip-flop cam 141 on an arm arranged in the fixed hub 14 of the detent wheel, and causes the flip-flop 19 to turn to the left. ).
  • the latch striker 21 engages in the bolt 232 of the trigger 23, thus blocking the inverting lever 19 in its position turned to the left on the Figure 7B .
  • This rotation adds an additional left-turn torque in the flexible blade 182, which was already undergoing a restoring torque to the left due to the displacement of the trigger probe 18 against the 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 in FIG. Fig. 7C .
  • the reversing lever 19 being locked in the left-hand position, the left-handed torque it induces in the flexible blade 182 causes the displacement of the expansion probe 18 to a counterclockwise stop 25 opposite to the stop 24 In this configuration the center of the trigger probe 18 is shifted to the left with respect to the axis of translation of the push rod 5 '.
  • the tip of the double cam 17 is located to the right of the trigger probe 18 which is 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 counterclockwise direction.
  • the rocker trigger contact 23 bears on a trigger cam 142 formed on an arm of the fixed hub 14 and causes the latch trigger 23 to turn to the right.
  • the bolt 232 of FIG. the flip-flop trigger 23 releases the latch strike 21.
  • the reversal lever 19 was subjected to a torque to the right from the biased blades 22 greater than the torque induced to the left by the blade 182 due to the displacement of the probe 18 against the counterclockwise stop 25. Upon release the inverting lever 19 will then turn to the right and take an equilibrium position such that the striker latch 21 passes over the reversal rocker bolt 22 and can therefore no longer be blocked by it.
  • the trigger wheel 13 returns to its rest position, as well as the trigger and the inverting rocker 19 now released.
  • the probe 18 returns to its rest position.
  • the system is thus in the rest position as illustrated on the Fig. 7A .
  • this device thus makes it possible to cause the expansion wheel 13 to rotate in a direction opposite to the previous direction of rotation.
  • the time-expansion cam 131 lifts the locking trigger finger 1211 12, which raises the latch trigger plate 121a 12 and pivots it around the links 1215. releasing the bolt 1214 from engagement with the detent 52, which allows the pusher to return to its rest position.
  • the relative position of the locking trigger finger 1211 12 relative to the time-expansion cam 131 makes it possible to set the moment of the triggering of the locking trigger 12 12 as a function of the advance of the trigger wheel 13 in the clockwise direction.
  • the locking trigger 12 is triggered by the anticlockwise detent cam 132 when the detent wheel 13 is counterclockwise at a time determined by the initial relative position of the locking trigger finger 1211 with respect to the cam. counterclockwise relaxation 132.
  • FIG. 8A to 8F shows in detail the different operating phases of the locking and unlocking mechanisms of the modules 1 'forming the dial CD in this fifth approach of the invention.
  • This view represents an integral partial CD dial, modules 1 hours “11" and "1" framing the module 1 'display a twelfth hour. These views do not have all the modules 1,1 'constituting the dial CD, but only an enlargement of the critical area of the dial CD where the locking mechanisms / unlocking push rods 5 previously presented.
  • the transition from one number to the other takes place in two minutes, that is to say that the time n + 1 begins to form from time n plus 58 minutes.
  • the stem of the "12" starts to rise from 11:58 and reaches its full height at 12:00, which is then totally displayed.
  • the display cycle can then start again, periodically marking the transition from noon to midnight by a periodic change in the meaning of "disappearance" of the display of hours “1" to "11".
  • each module 1,1 ' being designed to cooperate with an actuating device 6 in a sense of hourly progression according to the mobility of the hour wheel of a watch movement. For example, if at a time n, where n is an integer between 1 and 12, 2 hours ahead is then displayed all hours from "1" to n + 2. On the other hand, if one proceeds to a time setting in counterclockwise mode, for example as for the change from winter time to summer time, it is necessary to go back from the hour n to the time. hour n-1.
  • the blocking mechanism presented on the Fig.6 incorporates a release device anticlockwise 16 The operation of this device 16 is illustrated on the Fig.9 .
  • the counterclockwise adjusting device 16 compresse at one of its end 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 the frame 2 of the dial CD.
  • the cam 61 of the actuating device 6 connected to the hour wheel of the watch movement is pressed 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 in the normal direction of movement of the watch movement, which is clockwise. Indeed, as it 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 the triggered state. However, when the cam 61 continues its rotation, the system passes through a state represented in FIG. Fig. 9C where the inverting rocker 19 does not engage because the follower contact 161 is no longer in contact with the cam 61 while the pusher 5 is kept in its high state. After the passage of the cam 61 the pusher 5 is locked in high state, as it is visible on the Fig.9D .
  • the cam 61 can perform a counterclockwise rotation, for example to go back one or more hours.
  • the cam 61 first push the pusher 5 which is already high, then pushes on the contact 161, which triggers the trigger 12When the cam 12 continues its rotation the system passes through a state represented in the Fig. 9E where the inverting rocker is always triggered because the follower contact 161 is pushed by the cam 61 while the pusher 5, released, descends gradually following the profile of the cam. After the passage of the cam the trigger 12 is reset and the pusher 5 remains in the lower position, as it is visible on the Fig.9F .
  • a preferred application of the invention relates to the field of watchmaking, it is not limited to a display of a time information and can also be implemented in any field requiring the use of a system displaying 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)
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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CH7402018 2018-06-08

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EP3579059A1 true EP3579059A1 (de) 2019-12-11
EP3579059B1 EP3579059B1 (de) 2023-09-20

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5161130A (en) * 1989-10-17 1992-11-03 Seikosha Co. Ltd. Clock with openable dial pieces
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.
EP3291024A1 (de) * 2016-09-05 2018-03-07 CSEM Centre Suisse D'electronique Et De Microtechnique SA Anzeigemodul, das bewegliche elemente um verformbare verbindungen umfasst, entsprechendes anzeigesystem und uhr, die ein solches anzeigesystem umfasst

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5161130A (en) * 1989-10-17 1992-11-03 Seikosha Co. Ltd. Clock with openable dial pieces
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.
EP3291024A1 (de) * 2016-09-05 2018-03-07 CSEM Centre Suisse D'electronique Et De Microtechnique SA Anzeigemodul, das bewegliche elemente um verformbare verbindungen umfasst, entsprechendes anzeigesystem und uhr, die ein solches anzeigesystem umfasst
CH712875A1 (fr) 2016-09-05 2018-03-15 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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CH715139A2 (fr) 2019-12-13
EP3579059B1 (de) 2023-09-20

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