EP2884349A1 - Method for controlling an analogue display provided on a watch movement - Google Patents
Method for controlling an analogue display provided on a watch movement Download PDFInfo
- Publication number
- EP2884349A1 EP2884349A1 EP13197171.5A EP13197171A EP2884349A1 EP 2884349 A1 EP2884349 A1 EP 2884349A1 EP 13197171 A EP13197171 A EP 13197171A EP 2884349 A1 EP2884349 A1 EP 2884349A1
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- EP
- European Patent Office
- Prior art keywords
- indicator
- positions
- motor
- display
- period
- 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.)
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000000737 periodic effect Effects 0.000 claims abstract description 36
- 230000002123 temporal effect Effects 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 31
- 102100032392 Circadian-associated transcriptional repressor Human genes 0.000 claims description 11
- 101710130150 Circadian-associated transcriptional repressor Proteins 0.000 claims description 11
- 244000027321 Lychnis chalcedonica Species 0.000 claims description 7
- 230000002441 reversible effect Effects 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
- G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
- G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
- G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
- G04B19/253—Driving or releasing mechanisms
-
- 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
- G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
-
- 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
- G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
- G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
- G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
- G04B19/253—Driving or releasing mechanisms
- G04B19/25306—Independent date indicating devices activated by hand or by clockwork, e.g. calendar watches
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- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C17/00—Indicating the time optically by electric means
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C17/00—Indicating the time optically by electric means
- G04C17/005—Indicating the time optically by electric means by discs
- G04C17/0058—Indicating the time optically by electric means by discs with date indication
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- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
- G04C3/146—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor incorporating two or more stepping motors or rotors
Definitions
- the present invention relates to the field of watch movements equipped with an analog display of several parameters, at least part of which relates to temporal data. Other displayed parameters may be associated with various functions or the selection of such functions.
- the present invention particularly relates to electronic watch movements comprising an analog display driven by one or more electromechanical motors.
- the first mechanism comprises an intermediate wheel driven directly by the rotor of the engine and a chronograph wheel which meshes with the intermediate wheel.
- the second mechanism also comprises said intermediate wheel and further an auxiliary wheel meshing with this intermediate wheel.
- the auxiliary wheel is secured to a periodic actuating wheel of a drive wheel of the date ring, the mobile having an actuating finger of the drive wheel.
- the periodic actuating wheel and the driving wheel together form a Geneva mechanism, known for the periodic drive of a ring / date disc.
- the finger drives the drive wheel of the date ring, which is rotated over an angular distance corresponding to the passage of a date to the next date in the window of the dial provided. for displaying the date.
- the Geneva mechanism is therefore characterized by a periodic drive of the drive wheel of the date ring, the periodic actuating wheel meshing with this drive wheel only on an angular sector less than 360 °, while this mobile locks the drive wheel on the complementary angular sector.
- the periodic actuating wheel rotates while it is positioned in the complementary angular sector, the rotational movement of the rotor is not transmitted to the date ring.
- the document US 6,185,158 uses the Geneva mechanism to allow the engine used for the training of the date to perform an additional function, namely the driving of a chrono hand.
- the method consists in driving the chronograph hand when said periodic operating wheel is in its non-actuation zone, that is to say in said complementary angular sector, and at the end of the interval. of time timed a reset in reverse to return the periodic actuating mobile to a predefined initial position.
- the chronograph hand is only one only turn and that the drive of this chrono hand on a whole turn leaves the mobile periodic actuation in its zone of nonoperating.
- the method of controlling the analog display device of a chronograph hand and the calendar according to the above-mentioned prior art poses at least two major objective problems.
- this method is essentially limited to a chronograph hand displaying the higher time unit which is counted by the chrono display. Indeed, if one wished to introduce a counter of the hours (for example up to three hours) in addition to the counter on 10 minutes envisaged ( FIG.1 ), the proposed control method is no longer appropriate because said periodic operating wheel is then able to perform eighteen turns on the maximum time interval that can be timed; which in the example set out in the patent US 6,185,158 would lead to the passage of four calendars during the timed time.
- an unwanted ringing of the date ring occurs if a user forgets to stop the chronograph substantially in the maximum expected time interval (ten minutes) or at the end of it. It is certainly provided a zone of no action sufficient to allow the minute counter to perform three turns before operating the date ring. But if the user forgets to stop the chronograph function for any reason, it may take hours before he or she notices it. In such a case, the date display will be changed incorrectly. In addition, it is possible that the chrono mode is triggered unintentionally, which leads to the same result.
- the present invention aims to solve the aforementioned problems of the cited prior art.
- the method according to the invention solves the problems of the prior art by introducing a rearward rotation, periodically, of the indicator of the aforementioned temporal parameter when this indicator is running, that is to say say when the function it displays is activated and therefore when the displayed time parameter varies gradually along a graduation of the circular type.
- the chronograph hand associated with the multifunctional engine can perform several successive backward steps, at regular intervals and in an accelerated manner, so that, whatever the timed time interval, the second periodically driven indicator remains continuously in the same given position.
- the second display is the display of the unit or the decade of a 'big date', the display of the ten or respectively of the unit being carried out by a third indicator driven by a second motor, which also causes a fourth indicator associated with a fourth display of a time parameter.
- the third and fourth indicators are respectively controlled as the second and first indicators according to the control method of the invention.
- the analog display device comprises a first indicator 4 associated with a first display of a first time parameter, in particular the minutes of a timed interval of time, and a second indicator 6 associated with a second display of a second parameter, especially the date.
- the first and second indicators are respectively associated with a first drive mechanism, formed by a first kinematic chain 10 and 12, and with a second drive mechanism formed by a second kinematic chain 10, 14 and 22. According to the invention , the first and second drive mechanisms are actuated by a single motor 16.
- the first display comprises a graduation 18 of circular type and the first drive mechanism is arranged to allow the first indicator to indicate cyclically the value of the first time parameter by rotating in the same direction of rotation, the latter defining the direction before for the first indicator.
- the second indicator is driven periodically, that is to say intermittently, during the actuation of the electromechanical motor 16.
- the second drive mechanism comprises a periodic actuating mobile 22 that can take successively a set indicated positions by divisions 24 and 26 and index 28 on the Figure 1 . Note that these divisions and this index have been added to the Figure 1 for the purposes of the description of the invention.
- the watch movement 2 does not include such a graduation and such index since it is not a question of a display of this watch movement.
- the mobile 22 makes a small rotation corresponding to a division.
- This periodic operating wheel is arranged in such a way that it drives the second indicator when it is in a first subset of positions 24 of said set of positions and is driven by the motor from a position to the first position. other among the first subset of positions.
- the second indicator remains substantially stationary when the periodic operating wheel is driven by the motor 16 from one position to another in a second subset of positions 26 of the set of positions, this second subset positions comprising a plurality of positions.
- the first and second drive mechanisms are arranged so that the first indicator 4 can progressively indicate at least one complete cycle of the first time parameter, that is to say perform a complete revolution, while the mobile periodic actuation remains in the second subset of positions.
- the end of the first period corresponds to a position of the first indicator 4, on the circular type graduation 18, which defines the end of one cycle and the beginning of a next cycle, that is, to say on the Figure 1 at the '60' position combined with the '0' position.
- the course performed in the rear direction by the first indicator during a second period substantially corresponds to the course taken in the forward direction by this first indicator during the first period directly preceding this second period.
- the first subset of positions (index 28 next to divisions 24 at Figure 1 ) defines an operating zone (angular sector ⁇ ) of the second indicator 6 while the second subset of positions defines a non-actuating zone (angular sector complementary to the angular sector ⁇ ) of this second indicator.
- the second indicator is incremented by one unit each time the periodic actuation wheel passes through the through a continuous actuation zone, that is to say, not interrupted.
- the first indicator in order to change the display of the second indicator, it is intended to cause the first indicator to simultaneously perform an integer number of revolutions, so as not to modify the position of this first indicator if it is inactive (its final position after the actuation of the second indicator is identical to its initial position) or not to induce an error in the display of the first indicator after the change of position of the second indicator if this first indicator is active, that is to say in operation.
- FIG. Figure 2 A preferred embodiment of a watch movement suitable for the control method of the invention is shown in FIG. Figure 2 .
- the first indicator 4 is a chrono hand or a 24 hour hand associated with an off-center secondary dial.
- the second indicator 6 is formed by a date ring.
- the first mechanism associated with the first indicator is formed by a kinematic chain comprising a pinion 32 of the rotor 17 of the motor 16, an intermediate wheel 33 and a chronograph wheel 34 integral with the chronograph hand 4.
- the second mechanism associated with the second indicator is formed by a kinematic chain comprising the first kinematic chain and furthermore a periodic actuating wheel 36 associated with a Maltese cross 40, the latter being secured to a pinion 42 which meshes with the internal toothing 44 of the ring of 6.
- the mobile 36 comprises a plate with an external toothing which meshes with a pinion of the chronograph wheel. Above its plate, the mobile 36 comprises a central core 37 of oblong shape with two ends in an arc and two pins 38 and 39 aligned orthogonally to the longitudinal axis of the core.
- the Maltese cross comprises six branches 41 of flared shape and having between them spaces allowing the pins 38 and 39 to penetrate alternately between two branches to drive periodically this Maltese cross.
- the periodic actuating wheel 36 has an actuation zone, formed by two angular sectors having angles at the center ⁇ 1 and ⁇ 2 , and a non-actuation zone formed of two angular sectors having angles at the center ⁇ 1 and ⁇ 2 .
- the various angular sectors mentioned above are defined in Figure 2 by two straight lines 50 and 52 in broken lines. These two straight lines define the operating zone relative to a reference line 48 passing through the centers of the mobile 56 and the Maltese cross 40.
- the mobile 36 may have only one pin (for example the pin 38) and the actuating zone is then formed by a single angular sector of angle at the center ⁇ 1 .
- the complementary sector then defines the non-actuation zone.
- the core has a circular periphery substantially over the entire non-actuation zone.
- the Maltese cross device is advantageous in that the central core blocks the Maltese cross in the non-actuation zone thanks to the corresponding profile of the branches 41; which ensures a stable position of the date ring outside the scheduled actuation periods.
- the gear ratio between the chrono wheel 34 and the mobile 36 is such that the chrono wheel can perform several turns while the mobile 56 remains in a sector of its non-actuation zone.
- the control method according to the invention can easily be implemented with the one and the same motor 16 and the two indicators 4 and 6. It will be noted that the periods of rotation in the backward direction of the indicator 4 when it is in active mode, to prevent the mobile 56 enters one of the sectors of its operating zone, can be provided successively every complete turn of the indicator 4 or only after a number of turns of this indicator.
- FIG. 3 To the Figure 3 is schematically represented a watch movement 56 in which the control method according to the invention is implemented for two complementary display devices 58 and 60.
- This movement includes a 'big date', also called a calendar at 'big window' (schematized at Figure 3 by a rectangle 72 in broken lines representing a large opening in the dial of a watch equipping the watch movement 56).
- a 'big date' is generally formed of two distinct indicators 6A and 6B respectively displaying the unit and the decade of the date.
- the watch movement 56 also comprises a chronograph function with two small counters associated respectively with a first chronograph hand 4 and a second chronograph hand 5, defining in particular a display respectively minutes and hours or half hours timed.
- the ring 6A displaying the date unit and the first chrono hand 4, together forming the first display device 58 are both actuated by a first electromechanical motor 16A
- the cross 6B displaying the tens of the date and the second chronograph hand 5, forming together the second display device 60 are both actuated by a second electromechanical motor 16B.
- the first display device comprises a first kinematic chain 62 between the rotor of the motor 16A and the chronograph hand 4 and a second kinematic chain 63 between this needle and the ring 6A of the date units.
- This first display device can in particular be arranged in a manner similar to that described using the Figure 2 is controlled by the control method according to the invention described above.
- the second display device comprises a first kinematic chain 64 between the rotor of the motor 16B and the chronograph hand 5 and a second kinematic chain 65 between this needle and the cross 6B tens of the date.
- the drive mechanism of the cross incorporates the drive mechanism of the chronograph hand 5. Alternatively, the latter mechanism may be at least partly distinct from the drive mechanism of the cross 6B, as shown in FIG. Figure 1 .
- the driveline 65 comprises a mechanism called 'Geneva mechanism' which is formed by a periodic drive wheel 66 and a small wheel 70 or pinion which is integral with the cross 6B and coaxial with the latter.
- the mobile 66 comprises a circular profile over most of its periphery and an actuating finger 68 of the small wheel 70.
- This small wheel comprises a toothing with eight teeth.
- the small wheel advances an angular distance corresponding to two teeth; which corresponds to a rotation of 90 ° and therefore to the passage of one branch of the cross to the next in the large window 72 of the dial.
- the toothing of the small wheel 70 and the profile of the mobile 66 in the region of the finger 68 are provided so that the small wheel is blocked by the mobile 66 when the finger 68 does not drag it, that is to say when the mobile 66 is in its non-actuation zone.
- the kinematic chain 65 is arranged so that the chronograph needle 5 can perform at least one complete revolution, preferably several turns, as long as the mobile 66 remains in its non-actuation zone.
- the indicators 5 and 6B of the second display device 60 are respectively controlled according to the control method of the invention described above. Other large date variants with two rings or with coaxial discs or not can be driven in a similar manner according to the method of the invention.
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- General Physics & Mathematics (AREA)
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Abstract
Dans le procédé de commande d'un dispositif d'affichage analogique équipant un mouvement horloger, le moteur (16) sert conjointement à l'entraînement d'un premier indicateur (4) d'un paramètre temporel et d'un deuxième indicateur (6) à entraînement périodique. A cet effet, le moteur est commandé de manière que, lorsque le premier indicateur est dans un mode de marche et qu'il est prévu que le deuxième indicateur reste sensiblement immobile, ce premier indicateur est entraîné en rotation par le moteur alternativement - dans un sens avant, pour afficher le paramètre temporel, durant une première période au cours de laquelle un mobile d'actionnement périodique (36) est entraîné simultanément dans des positions de sa zone de non actionnement (² 1 et ² 2 ), et - dans un sens arrière, en mode accéléré durant une deuxième période suivant la première période, avant que le mobile d'actionnement périodique soit entraîné dans une position de sa zone d'actionnement (± 1 et ± 2 ).In the control method of an analog display device equipping a watch movement, the motor (16) is used jointly to drive a first indicator (4) of a temporal parameter and a second indicator (6). ) with periodic training. For this purpose, the motor is controlled so that, when the first indicator is in a running mode and it is expected that the second indicator remains substantially immobile, this first indicator is rotated by the motor alternately. in a forward direction, for displaying the temporal parameter, during a first period during which a periodic actuating wheel (36) is simultaneously driven into positions of its non-actuation zone (² 1 and ² 2), and - In a backward direction, in accelerated mode during a second period after the first period, before the periodic actuating wheel is driven into a position of its actuating zone (± 1 and ± 2).
Description
La présente invention concerne le domaine des mouvements horlogers équipés d'un affichage analogique de plusieurs paramètres dont au moins une partie concerne des données temporelles. D'autres paramètres affichés peuvent être associés à diverses fonctions ou à la sélection de telles fonctions. La présente invention concerne en particulier les mouvements horlogers électroniques comprenant un affichage analogique entraîné par un ou plusieurs moteurs électromécaniques.The present invention relates to the field of watch movements equipped with an analog display of several parameters, at least part of which relates to temporal data. Other displayed parameters may be associated with various functions or the selection of such functions. The present invention particularly relates to electronic watch movements comprising an analog display driven by one or more electromechanical motors.
Il est connu notamment du document
Le premier mécanisme comprend une roue intermédiaire entraînée directement par le rotor du moteur et une roue de chrono qui engrène avec la roue intermédiaire. Le second mécanisme comprend également ladite roue intermédiaire et en outre une roue auxiliaire engrenant avec cette roue intermédiaire. La roue auxiliaire est solidaire d'un mobile d'actionnement périodique d'une roue d'entraînement de l'anneau de quantième, ce mobile présentant un doigt d'actionnement de cette roue d'entraînement. Le mobile d'actionnement périodique et la roue d'entraînement forment ensemble un mécanisme de Genève, connu pour l'entraînement périodique d'un anneau / disque de quantième. A chaque tour du mobile d'actionnement périodique, le doigt entraîne la roue d'entraînement de l'anneau des quantièmes, lequel est entraîné en rotation sur une distance angulaire correspondant au passage d'un quantième au quantième suivant dans la fenêtre du cadran prévue pour l'affichage du quantième. Le mécanisme de Genève est donc caractérisé par un entraînement périodique de la roue d'entraînement de l'anneau des quantièmes, le mobile d'actionnement périodique engrenant avec cette roue d'entraînement seulement sur un secteur angulaire inférieur à 360°, alors que ce mobile bloque la roue d'entraînement sur le secteur angulaire complémentaire. Ainsi, tant que le mobile d'actionnement périodique tourne alors qu'il se trouve positionné dans le secteur angulaire complémentaire, le mouvement de rotation du rotor n'est pas transmis à l'anneau des quantièmes.The first mechanism comprises an intermediate wheel driven directly by the rotor of the engine and a chronograph wheel which meshes with the intermediate wheel. The second mechanism also comprises said intermediate wheel and further an auxiliary wheel meshing with this intermediate wheel. The auxiliary wheel is secured to a periodic actuating wheel of a drive wheel of the date ring, the mobile having an actuating finger of the drive wheel. The periodic actuating wheel and the driving wheel together form a Geneva mechanism, known for the periodic drive of a ring / date disc. At each revolution of the periodic actuation wheel, the finger drives the drive wheel of the date ring, which is rotated over an angular distance corresponding to the passage of a date to the next date in the window of the dial provided. for displaying the date. The Geneva mechanism is therefore characterized by a periodic drive of the drive wheel of the date ring, the periodic actuating wheel meshing with this drive wheel only on an angular sector less than 360 °, while this mobile locks the drive wheel on the complementary angular sector. Thus, as long as the periodic actuating wheel rotates while it is positioned in the complementary angular sector, the rotational movement of the rotor is not transmitted to the date ring.
Le document
Le procédé de commande du dispositif d'affichage analogique d'une aiguille chrono et du quantième selon l'art antérieur susmentionné pose au moins deux problèmes objectifs majeurs. Premièrement, ce procédé est essentiellement limité à une aiguille chrono affichant l'unité de temps supérieure qui est comptabilisée par l'affichage chrono. En effet, si on souhaitait introduire un compteur des heures (par exemple jusqu'à trois heures) en plus du compteur sur 10 minutes prévu (
La présente invention a pour but de résoudre les problèmes susmentionnés de l'art antérieur cité.The present invention aims to solve the aforementioned problems of the cited prior art.
A cet effet, la présente invention a pour objet un procédé de commande d'un dispositif d'affichage analogique équipant un mouvement horloger du type décrit ci-avant, ce procédé étant caractérisé par le fait que le moteur, servant conjointement à l'entraînement d'un premier indicateur d'un paramètre temporel et d'un deuxième indicateur à entraînement périodique, est commandé par le mouvement horloger de manière que, lorsque le premier indicateur est dans un mode de marche et qu'il est prévu que le deuxième indicateur reste sensiblement immobile, ce premier indicateur est entraîné en rotation par le moteur alternativement
- dans un sens avant, pour afficher le premier paramètre temporel, durant une première période au cours de laquelle un mobile d'actionnement périodique du deuxième indicateur est entraîné simultanément dans des positions de sa zone de non actionnement, et
- dans un sens arrière, en mode accéléré durant une deuxième période suivant la première période, avant que le mobile d'actionnement périodique soit entraîné dans une position de sa zone d'actionnement ;
- in a forward direction, for displaying the first temporal parameter, during a first period during which a periodic actuation mobile of the second indicator is simultaneously driven into positions of its non-actuation zone, and
- in a backward direction, in accelerated mode during a second period following the first period, before the periodic actuating wheel is driven into a position of its actuation zone;
Le procédé selon l'invention résout les problèmes de l'art antérieur par l'introduction d'une rotation en sens arrière, de manière périodique, de l'indicateur du paramètre temporel susmentionné lorsque cet indicateur est en marche, c'est-à-dire lorsque la fonction qu'il affiche est activée et donc lorsque le paramètre temporel affiché varie progressivement le long d'une graduation du type circulaire. Ainsi, par exemple, au cours d'une mesure d'un intervalle de temps, l'aiguille chrono associée au moteur multifonctionnel peut effectuer plusieurs marches en arrière successives, à intervalles réguliers et de manière accélérée, de sorte que, quel que soit l'intervalle de temps chronométré, le deuxième indicateur à entraînement périodique reste continument dans une même position donnée.The method according to the invention solves the problems of the prior art by introducing a rearward rotation, periodically, of the indicator of the aforementioned temporal parameter when this indicator is running, that is to say say when the function it displays is activated and therefore when the displayed time parameter varies gradually along a graduation of the circular type. Thus, for example, during a measurement of a time interval, the chronograph hand associated with the multifunctional engine can perform several successive backward steps, at regular intervals and in an accelerated manner, so that, whatever the timed time interval, the second periodically driven indicator remains continuously in the same given position.
Selon un mode de réalisation particulier, le deuxième affichage est l'affichage de l'unité ou de la dizaine d'une 'grande date', l'affichage de la dizaine, respectivement de l'unité étant réalisé par un troisième indicateur entraîné par un deuxième moteur, lequel entraîne également un quatrième indicateur associé à un quatrième affichage d'un paramètre temporel. Les troisième et quatrième indicateurs sont respectivement commandés comme les deuxième et premier indicateurs selon le procédé de commande de l'invention.According to a particular embodiment, the second display is the display of the unit or the decade of a 'big date', the display of the ten or respectively of the unit being carried out by a third indicator driven by a second motor, which also causes a fourth indicator associated with a fourth display of a time parameter. The third and fourth indicators are respectively controlled as the second and first indicators according to the control method of the invention.
D'autres caractéristiques particulières et applications du procédé de l'invention seront exposées ci-après dans la description détaillée de l'invention.Other particular features and applications of the method of the invention will be described below in the detailed description of the invention.
L'invention sera décrite ci-après à l'aide de dessins annexés, donnés à titre d'exemples nullement limitatifs, dans lesquels :
- La
Figure 1 est une vue schématique en plan d'un premier mode de réalisation d'un mouvement horloger sur la base duquel le procédé de commande d'un dispositif d'affichage analogique selon l'invention sera exposé de manière générale ; - La
Figure 2 est une vue schématique en plan d'un deuxième mode de réalisation d'un mouvement horloger avantageux pour la mise en oeuvre du procédé de commande selon l'invention ; et - La
Figure 3 est une vue schématique en plan d'un quantième perpétuel avec une 'grande date' apparaissant dans un 'grand guichet' où la dizaine et l'unité du quantième sont affichés de manière indépendante par deux indicateurs analogiques associés respectivement à deux moteurs multifonctionnels commandés chacun par un procédé de commande selon l'invention.
- The
Figure 1 is a schematic plan view of a first embodiment of a watch movement on the basis of which the control method of an analog display device according to the invention will be generally exposed; - The
Figure 2 is a schematic plan view of a second embodiment of a watch movement advantageous for the implementation of the control method according to the invention; and - The
Figure 3 is a schematic plan view of a perpetual calendar with a 'big date' appearing in a 'big window' where the ten and the date unit are displayed independently by two analog indicators associated respectively with two multifunctional motors controlled each by a control method according to the invention.
On décrira ci-après de manière générale le procédé de commande selon l'invention d'un dispositif d'affichage analogique équipant un mouvement horloger 2 en se référant au dessin schématique de la
Le dispositif d'affichage analogique comprend un premier indicateur 4 associé à un premier affichage d'un premier paramètre temporel, notamment les minutes d'un intervalle de temps chronométré, et un deuxième indicateur 6 associé à un deuxième affichage d'un deuxième paramètre, en particulier le quantième. Les premier et deuxième indicateurs sont respectivement associés à un premier mécanisme d'entraînement, formé par une première chaîne cinématique 10 et 12, et à un deuxième mécanisme d'entraînement formé par une deuxième chaîne cinématique 10, 14 et 22. Selon l'invention, les premier et deuxième mécanismes d'entraînement sont actionnés par un seul et même moteur 16.The analog display device comprises a
Le premier affichage comprend une graduation 18 du type circulaire et le premier mécanisme d'entraînement est agencé de manière à permettre au premier indicateur d'indiquer cycliquement la valeur du premier paramètre temporel en tournant dans un même sens de rotation, ce dernier définissant le sens avant pour le premier indicateur. Le deuxième indicateur est entraîné périodiquement, c'est-à-dire par intermittence, lors de l'actionnement du moteur électromécanique 16. A cet effet, le deuxième mécanisme d'entraînement comprend un mobile d'actionnement périodique 22 pouvant prendre successivement un ensemble de positions indiquées par les divisions 24 et 26 et l'index 28 sur la
Selon l'invention, le procédé de commande du dispositif d'affichage est remarquable par le fait que le moteur 16 est commandé par le mouvement horloger 2 de manière que, lorsque le premier indicateur 4 est dans un mode de marche et qu'il est prévu que le deuxième indicateur 6 reste sensiblement immobile, ce premier indicateur est entraîné en rotation par le moteur alternativement
- dans un sens avant, pour afficher le premier paramètre temporel, durant une première période au cours de laquelle le mobile d'actionnement périodique 22 est entraîné simultanément dans des positions du deuxième sous-ensemble de positions, et
- dans un sens arrière, en mode accéléré, durant une deuxième période suivant la première période, avant que le mobile d'actionnement périodique 22 soit entraîné dans une position du premier sous-ensemble de positions ;
- in a forward direction, for displaying the first temporal parameter, during a first period during which the
periodic operating wheel 22 is simultaneously driven into positions of the second subset of positions, and - in a reverse direction, in accelerated mode, during a second period following the first period, before the
periodic actuating wheel 22 is driven into a position of the first subset of positions;
Selon une variante particulière préférée, la fin de la première période correspond à une position du premier indicateur 4, sur la graduation de type circulaire 18, qui définit la fin d'un cycle et le début d'un cycle suivant, c'est-à-dire sur la
Selon une autre variante préférée, le parcours effectué en sens arrière par le premier indicateur durant une deuxième période correspond sensiblement au parcours effectué en sens avant par ce premier indicateur lors de la première période précédant directement cette deuxième période. Dans le cas de la variante précédente, ceci implique que le nombre de tours effectué en marche arrière dans une deuxième période correspond au nombre de tours effectué en marche avant durant la première période précédente.According to another preferred variant, the course performed in the rear direction by the first indicator during a second period substantially corresponds to the course taken in the forward direction by this first indicator during the first period directly preceding this second period. In the case of the preceding variant, this implies that the number of revolutions made in reverse in a second period corresponds to the number of laps made in the forward direction during the first preceding period.
On remarquera que le premier sous-ensemble de positions (index 28 en regard des divisions 24 à la
Un mode de réalisation préféré d'un mouvement horloger 30 convenant au procédé de commande de l'invention est représenté à la
La croix de Malte comprend six branches 41 de forme évasée et présentant entre elles des espaces permettant aux goupilles 38 et 39 de pénétrer alternativement entre deux branches pour entraîner périodiquement cette croix de Malte. Le mobile d'actionnement périodique 36 a une zone d'actionnement, formée par deux secteurs angulaires ayant des angles au centre α1 et α2, et une zone de non actionnement formée de deux secteurs angulaires ayant des angles au centre β1 et β2. Les divers secteurs angulaires susmentionnés sont définis à la
Le rapport d'engrenage entre la roue chrono 34 et le mobile 36 est tel que la roue chrono peut effectuer plusieurs tours alors que le mobile 56 demeure dans un secteur de sa zone de non actionnement. Ainsi, le procédé de commande selon l'invention peut aisément être mis en oeuvre avec le seul et même moteur 16 et les deux indicateurs 4 et 6. On notera que les périodes de rotation en sens arrière de l'indicateur 4 lorsqu'il est en mode actif, pour éviter que le mobile 56 entre dans un des secteurs de sa zone d'actionnement, peuvent être prévues successivement à chaque tour complet de l'indicateur 4 ou seulement après un certain nombre de tours de cet indicateur. Dans chaque cas, on veillera lors de l'initialisation du mouvement horloger que le mobile 36 soit dans une position initiale suffisamment éloignée de la fin d'un secteur de non actionnement pour que le nombre de tours prévu de l'indicateur chrono, avant son retour arrière périodique en mode accéléré, puisse être effectué alors que le mobile 16 demeure dans ce secteur de non actionnement. Ensuite, lors de l'actionnement du quantième, on veillera à amener à la fin de cette fonction le mobile 16 dans une position sensiblement équivalente à la position initiale dans le secteur de non actionnement suivant.The gear ratio between the
A la
Selon l'invention, l'anneau 6A affichant l'unité du quantième et la première aiguille chrono 4, formant ensemble le premier dispositif d'affichage 58, sont actionnés tous deux par un premier moteur électromécanique 16A, alors que la croix 6B affichant la dizaine du quantième et la deuxième aiguille chrono 5, formant ensemble le deuxième dispositif d'affichage 60, sont actionnés tous deux par un deuxième moteur électromécanique 16B. Le premier dispositif d'affichage comprend une première chaîne cinématique 62 entre le rotor du moteur 16A et l'aiguille chrono 4 et une deuxième chaîne cinématique 63 entre cette aiguille et l'anneau 6A des unités du quantième. Ce premier dispositif d'affichage peut en particulier être agencé de manière similaire à celui décrit à l'aide de la
La chaîne cinématique 65 comprend un mécanisme nommé 'mécanisme de Genève' qui est formé par un mobile d'entraînement périodique 66 et par une petite roue 70 ou un pignon qui est solidaire de la croix 6B et coaxial à cette dernière. Le mobile 66 comprend un profil circulaire sur la majeure partie de son pourtour et un doigt d'actionnement 68 de la petite roue 70. Cette petite roue comprend une denture à huit dents. A chaque tour effectué par le mobile 66, la petite roue avance d'une distance angulaire correspondant à deux dents ; ce qui correspond à une rotation de 90° et donc au passage d'une branche de la croix à la suivante dans le grand guichet 72 du cadran. La denture de la petite roue 70 et le profil du mobile 66 dans la région du doigt 68 sont prévues de manière que la petite roue est bloquée par le mobile 66 lorsque le doigt 68 ne l'entraîne pas, c'est-à-dire lorsque le mobile 66 est dans sa zone de non actionnement. Selon l'invention, la chaîne cinématique 65 est agencée de manière que l'aiguille chrono 5 peut effectuer au moins un tour complet, de préférence plusieurs tours, tant que le mobile 66 reste dans sa zone de non actionnement. Les indicateurs 5 et 6B du deuxième dispositif d'affichage 60 sont respectivement commandés également selon le procédé de commande de l'invention décrit précédemment. D'autres variantes de grande date avec deux anneaux ou avec des disques coaxiaux ou non peuvent être entraînés de manière similaire selon le procédé de l'invention.The
Claims (7)
le procédé de commande étant caractérisé en ce que ledit moteur est commandé par le mouvement horloger de manière que, lorsque le premier indicateur est dans un mode de marche et qu'il est prévu que le deuxième indicateur reste sensiblement immobile, ce premier indicateur est entraîné en rotation par ledit moteur alternativement
the control method being characterized in that said motor is controlled by the watch movement so that when the first indicator is in a running mode and the second indicator is expected to remain substantially immobile, this first indicator is driven rotated by said motor alternately
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13197171.5A EP2884349B1 (en) | 2013-12-13 | 2013-12-13 | Method for controlling an analogue display provided on a watch movement |
US14/562,824 US9389589B2 (en) | 2013-12-13 | 2014-12-08 | Control method for an analogue display fitted to a timepiece movement |
JP2014251647A JP6001628B2 (en) | 2013-12-13 | 2014-12-12 | Method for controlling an analog display device attached to a timepiece movement |
KR1020140179442A KR101695068B1 (en) | 2013-12-13 | 2014-12-12 | Control method for an analogue display fitted to a timepiece movement |
CN201410777801.9A CN104714394B (en) | 2013-12-13 | 2014-12-15 | Control method for being attached to the analog display unit of watch and clock movement |
HK15108433.1A HK1207910A1 (en) | 2013-12-13 | 2015-08-31 | Control method for an analogue display fitted to a timepiece movement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP13197171.5A EP2884349B1 (en) | 2013-12-13 | 2013-12-13 | Method for controlling an analogue display provided on a watch movement |
Publications (2)
Publication Number | Publication Date |
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EP2884349A1 true EP2884349A1 (en) | 2015-06-17 |
EP2884349B1 EP2884349B1 (en) | 2020-07-01 |
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EP13197171.5A Active EP2884349B1 (en) | 2013-12-13 | 2013-12-13 | Method for controlling an analogue display provided on a watch movement |
Country Status (6)
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US (1) | US9389589B2 (en) |
EP (1) | EP2884349B1 (en) |
JP (1) | JP6001628B2 (en) |
KR (1) | KR101695068B1 (en) |
CN (1) | CN104714394B (en) |
HK (1) | HK1207910A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2927756A1 (en) * | 2014-04-03 | 2015-10-07 | ETA SA Manufacture Horlogère Suisse | Clock movement provided with a drive mechanism for an analogue indicator with periodic or intermittent movement |
EP3173876B1 (en) * | 2015-11-26 | 2020-09-02 | Rolex Sa | Timepiece calendar system |
EP3193217A1 (en) * | 2016-01-18 | 2017-07-19 | ETA SA Manufacture Horlogère Suisse | Timepiece movement comprising an analog display |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6185158B1 (en) * | 1996-08-30 | 2001-02-06 | Citizen Watch Co., Ltd. | Small electronic apparatus having function display |
Family Cites Families (15)
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CH661833GA3 (en) * | 1985-12-18 | 1987-08-31 | ||
CH665077GA3 (en) * | 1986-10-15 | 1988-04-29 | ||
CN1025460C (en) * | 1988-06-17 | 1994-07-13 | 精工爱普生株式会社 | multi-function digital watch |
CH681677B5 (en) * | 1991-02-05 | 1993-11-15 | Complications Sa | The process of initializing perpetual calendar of an analogue quartz chronograph and quartz chronograph for its implementation. |
JPH05281370A (en) * | 1992-03-31 | 1993-10-29 | Seiko Instr Inc | Analog electronic timepiece |
JPH06129877A (en) * | 1992-09-04 | 1994-05-13 | Yazaki Corp | Digital-analog display apparatus |
CH687494B5 (en) * | 1995-07-18 | 1997-06-30 | Utc Service Ag | Clock with two ads for two different local times. |
EP0940833B1 (en) * | 1998-03-05 | 2002-07-03 | Frédéric Piguet S.A. | Calendar mechanism for watch movement |
SG109448A1 (en) * | 2000-05-11 | 2005-03-30 | Swatch Group Man Serv Ag | Portable electronic device such as, in particular, a timepiece, fitted with a push-button |
TW493113B (en) * | 2000-08-23 | 2002-07-01 | Ebauchesfabrik Eta Ag | Electronic watch with a large date aperture |
JP4846184B2 (en) * | 2000-11-10 | 2011-12-28 | シチズンホールディングス株式会社 | Electric clock timing mechanism |
US7289392B2 (en) * | 2005-06-17 | 2007-10-30 | Timex Group B.V. | Date display assembly for a timepiece |
US20080084792A1 (en) * | 2006-10-10 | 2008-04-10 | Seiko Epson Corporation | Timepiece |
DE602007010418D1 (en) * | 2007-02-22 | 2010-12-23 | Eta Sa Mft Horlogere Suisse | Chronograph |
JP2011022043A (en) * | 2009-07-16 | 2011-02-03 | Seiko Instruments Inc | Chronograph timepiece |
-
2013
- 2013-12-13 EP EP13197171.5A patent/EP2884349B1/en active Active
-
2014
- 2014-12-08 US US14/562,824 patent/US9389589B2/en active Active
- 2014-12-12 KR KR1020140179442A patent/KR101695068B1/en active IP Right Grant
- 2014-12-12 JP JP2014251647A patent/JP6001628B2/en active Active
- 2014-12-15 CN CN201410777801.9A patent/CN104714394B/en active Active
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2015
- 2015-08-31 HK HK15108433.1A patent/HK1207910A1/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6185158B1 (en) * | 1996-08-30 | 2001-02-06 | Citizen Watch Co., Ltd. | Small electronic apparatus having function display |
Also Published As
Publication number | Publication date |
---|---|
CN104714394A (en) | 2015-06-17 |
JP2015114332A (en) | 2015-06-22 |
HK1207910A1 (en) | 2016-02-12 |
KR20150069551A (en) | 2015-06-23 |
EP2884349B1 (en) | 2020-07-01 |
US20150168917A1 (en) | 2015-06-18 |
JP6001628B2 (en) | 2016-10-05 |
KR101695068B1 (en) | 2017-01-10 |
US9389589B2 (en) | 2016-07-12 |
CN104714394B (en) | 2017-05-31 |
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