EP1922591B1 - Timepiece movement comprising an indicator with selectable indication - Google Patents

Timepiece movement comprising an indicator with selectable indication Download PDF

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Publication number
EP1922591B1
EP1922591B1 EP06778272A EP06778272A EP1922591B1 EP 1922591 B1 EP1922591 B1 EP 1922591B1 EP 06778272 A EP06778272 A EP 06778272A EP 06778272 A EP06778272 A EP 06778272A EP 1922591 B1 EP1922591 B1 EP 1922591B1
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EP
European Patent Office
Prior art keywords
cam
movement
indicator
cams
indicators
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EP06778272A
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German (de)
French (fr)
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EP1922591A2 (en
Inventor
Jean-François RUCHONNET
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Richemont International SA
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Richemont International SA
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Publication of EP1922591A2 publication Critical patent/EP1922591A2/en
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/02—Back-gearing arrangements between gear train and hands
    • 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
    • G04B19/20—Indicating by numbered bands, drums, discs, or sheets
    • 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

Definitions

  • the present invention relates to watch movements, in particular a watch movement employing cams to determine the position of indicators on the dial.
  • the indicators (needles or disks) of conventional mechanical watches are generally driven via a gear train comprising a succession of pinions and wheels.
  • the continuous rotation, always in the same direction, of the gears does not allow a great flexibility in the control of the indicator.
  • DE19649590A1 describes a method for displaying a large date in the window of a wristwatch using multiple cams. Each cam is permanently associated with a display element and this method therefore does not allow to change the type of information displayed.
  • the document CH693155 discloses a display mechanism coupled to a main drive mechanism or a differential gear for alternative display modes.
  • the differential gear comprises a planet gear and a first cam for selecting one of the alternative drive mechanisms.
  • the display mechanism can be returned to its original position using a second cam.
  • An object of the present invention is to provide a watch movement free from the limitations of known watch movements.
  • Another object of the invention is to propose a watch movement, in particular a mechanical movement, making it possible to choose the function displayed at a given instant by an indicator.
  • selection means may for example be actuated by the crown to choose at all times the cam whose position determines the value displayed by the indicator, or the gear train determining the position of this cam.
  • the display device comprises selection means for selecting a gear train used to determine the position of at least one of the cams.
  • the movement comprises an indicator of the tens and an indicator of the units, for example in the form of disks that can collaboratively display a two-digit number, for example in a double window.
  • the movement further comprises several pairs of cams, and means for choosing at any time the pair of cams controlling the pair of indicators. Each pair corresponds to a different function displayed.
  • the object of the invention can be achieved by means of a method for selecting the indication displayed by an indicator of a watch movement, comprising a step of selecting a cam from at least a first and a second cam arranged to control the angular position of this indicator, the selection being performed by means of a control member external to the watch, the selected cam actuating said indicator.
  • the function displayed is selected by the wearer of the watch, for example by means of the crown. Each action on the crown allows you to select the next function in a sequence.
  • the selected indication is then displayed by pressing a pusher that can act on probes (the fingers) whose position is determined by the shape is the angular position of cams rotated by a gear adapted to each function.
  • the cam of the units has 60 teeth and that of the units is reduced by a factor of 10, ie 6 teeth. This configuration allows you to display values from 0 to 59. 100-tooth drive cams and 10-tooth tens cams can also be used for displays from 0 to 99.
  • the probes (fingers) of the units and tens are positioned against the corresponding cam and by means of a lever (amplifying rocker) move a rack that engages a pinion to index the corresponding disk and display the information.
  • the figure 1 illustrated a perspective view of a watch provided with a mechanical movement according to the invention.
  • the watch has hands in the center to display the hours, minutes and seconds in an entirely conventional manner, and in this example small dials to display auxiliary indications, for example timed durations.
  • a window 14 makes it possible to display a two-digit numerical indication carried by a disk of tens 15 and by a disk of the units 12.
  • the type of indication displayed at a given moment is selected by means of the crown 34 or in a variant using one of the push buttons 1.
  • the choice made is further indicated by a needle 36 on a small dial at 6 o'clock.
  • the desired indication may be displayed permanently or only when the wearer of the watch presses one of the pushbuttons 1.
  • the indication displayed in the window 14 corresponds to a power reserve; the illustrated watch also displays the week, year of revision or date in the same box.
  • Other selectable functions can be displayed.
  • the invention is not limited to indicators 12, 15 constituted by disks displaying a value in a window; needles can also be ordered according to the same principle.
  • the movement comprises at least two cams, including a cam of the units 6 and a cam of the units 5 rotated by a not shown gear train.
  • the cam of the units has 60 teeth and the cam of the tens 6 teeth. Both cams are mounted coaxially on the axis 17 and rotate synchronously clockwise. The speed of rotation, given by the gear train, may depend on the selected function.
  • Fingers (or probes) 3 and 4 respectively take the dimension of the cam 6 or 5.
  • the fingers move in the direction of the arrow F ( figure 1 ) depending on the height of the tooth with which they are in contact.
  • the position of the fingers therefore depends on the profile and the angular position of the corresponding cam.
  • the fingers 3, 4 are pressed against the corresponding cam 6, respectively 5 by means of the selector 2 exerting a thrust in the direction of the arrow F when the pusher 1 is actuated. It is also conceivable to use fingers in permanent contact with the corresponding cam, for example under the action of a spring.
  • the finger 3 is pressed against the associated cam 6 by pivoting the lever 26 about the axis 9.
  • the end of the lever 26 opposite the finger 3 is provided with a hinge 10 engaged in a rack 28.
  • the connection between the lever 26 and the rack 28 is through an optional arm 25 and not shown on the figure 6 .
  • the pivoting of the lever 26 under the action of the cam 6 causes a longitudinal displacement of the rack 28, which causes a rotation of the pinion 13 to which the disk of the units 12 is associated.
  • the position of the disk of the units 12 is thus given by the profile and the angular position of the associated cam 6.
  • the shape and the pitch of the teeth on this cam are determined so that each passage of the finger 3 of a tooth to the next causes a net indexing movement of the associated disk, which can therefore occupy only a limited number of discrete angular positions.
  • the tens of the cam 5 rotated at the same speed as the cam of the units causes the indexing of the tens disk 15.
  • the transmission is through the finger tens, lever 27, the rack 30 which can be connected to an arm 29 and pinion 31.
  • the tens disk is incremented as soon as the tens disk has made one revolution plus one step (to go from 0 to 10 ).
  • the finger 4 resting on the tens of the cam therefore passes on the second tooth as soon as the cam of tens 5 has traveled 66 °.
  • the movement illustrated in particular on the figure 3 has 4 pairs of cams, that is to say 4 cams of units and 4 cams of tens to display 4 functions.
  • the function 1 is given by the cams 6-5, the function 2 by the cams 18-19, the function 3 by the cams 20-21 and the function 4 by the cams 22-23.
  • Other numbers of pairs of cams may be employed within the scope of the invention.
  • cams are superimposed and mounted coaxially on an axis 17.
  • the cams therefore rotate synchronously while being driven by the axis 17.
  • Juxtaposed cams can, however, also be used to reduce the thickness of the cam. overlay.
  • cams or cam pairs rotating at different speeds, or even in different directions. It is possible to use unit cams and tens cams all identical, but rotating at different speeds and / or out of phase. It is also possible to use cam pairs with different profiles. Furthermore, it is also possible to use cams rotating non-continuously or with a variable angular velocity.
  • One of the pairs of cams is selected to display one of the four functions in the window by moving the fingers of the units and tens along the column 33, according to the arrow B.
  • the displacement of the fingers 3,4 is actuated through the selector 2 by the crank or the crank pin 24 integral with the crown 34 rotating in the direction of the arrow H.
  • Other selection means for example by means of a push button or according to predefined events of the watch can be considered.
  • a pair of cams 5-6 is illustrated by way of example on the figure 4 .
  • the cam units 6 whose outer profile is provided in this example 60 teeth angularly spaced 6 °; the height of each tooth is indicated by the reference a.
  • the snail shape of the cam causes a movement of the associated rack in one direction at each incrementation step, then a sudden return in the other direction after a complete revolution of the cam.
  • Other profiles, involving more back-and-forth movements, can be envisaged.
  • the tens of the cams 5 is provided in this example with six teeth angularly spaced 60 ° with a height g.
  • the associated rack traverses in this nonlimiting example a linear displacement in one direction each turn of the cam, then a quick return to the initial position.
  • the two cams are assembled on the shaft 17 allowing angular articulation but making the cams integral in rotation.
  • the axis 17 (or each cam individually) is rotated by a not shown gear train.
  • the figure 5 shows the disk of the units 12 provided with numerals from 0 to 9 corresponding to 10 angular positions of the cam of the units.
  • the units disk rotates one full clockwise when the cam of the units is incremented by 10 positions, that is, by 60 °.
  • the rack 28 resumes its initial position and the disc 12 makes 6 turns in the counter-clockwise direction.
  • a device for disengaging the spring 11 during the movement of the the rack is not described here.
  • the tens disk is similarly made, with only the marked indications possibly being different.
  • intended to display numbers up to 59 at most only numbers from 0 to 6 are marked on the tens disk.
  • the disk (s) of the units 12 is linked to the cam of the corresponding units 6 by means of the lever 26 pivoting about the axis 9.
  • the disk (s) of the tens are linked to the cam of the tens 5 by 1 intermediate lever 27 pivoting about the same axis 9. It is however possible to vary the shape and size of the levers 26, 27, and / or the position of the pivot point 9, to vary the amplification ratio levers 26, 27 and so produce displacements angular different indicators for a given height a, g of tooth.
  • the above example concerns a display of functions through a window, by means of a tens disk and a disk of the units.
  • the discs can however also be replaced by needles.
  • non-decimal displays may also be employed, for example to display seconds or minutes from 0 to 59 or hours from 0 to 11 or from 0 to 23.
  • the invention also applies to movements involving a single indicator, for example a single disk, and several cams, one of which can be selected by means of an organ to display the chosen function.
  • the different cams or pairs of cams can be driven at different speeds, through independent gear trains, depending on the indication to be displayed. It is thus possible to perform several functions with a single cam, or pair of cams, by selecting the gear train used to determine the position of this cam. Moreover, it is also possible to provide a watch which always displays by default always the same function in the window, for example the date, and a different function only when a selection member 34 is actuated.
  • an indication is displayed in the window only when the pushbutton 1 is pressed.
  • This variant has the advantage of displaying at any time a function, for example the selected function or the default function, in the window 14.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)

Abstract

Watch movement having a display mechanism with: several rotating indicators (12, 15), for displaying a two-digit number in an aperture, cams (5, 6) arranged to control the angular position of the rotating indicator or indicators (12), selection means actuated by the crown (34) for selecting the cam acting on each indicator (12, 15).

Description

Domaine techniqueTechnical area

La présente invention concerne les mouvements horlogers, en particulier un mouvement horloger employant des cames pour déterminer la position d'indicateurs sur le cadran.The present invention relates to watch movements, in particular a watch movement employing cams to determine the position of indicators on the dial.

Etat de la techniqueState of the art

Les montres électroniques permettant d'afficher plusieurs fonctions différentes sur un afficheur numérique sont connues. Un poussoir permet au porteur de la montre de sélectionner la fonction affichée ; chaque pression produit l'affichage de la fonction suivante dans une séquence. Un grand nombre de fonctions différentes peuvent ainsi être affichées séquentiellement sur un cadran de petite dimension.Electronic watches for displaying several different functions on a digital display are known. A pusher allows the wearer of the watch to select the displayed function; each press produces the display of the next function in a sequence. A large number of different functions can thus be displayed sequentially on a small dial.

Les montres mécaniques conventionnelles n'offrent pas cette souplesse et ne permettent généralement pas d'afficher un grand nombre de fonctions différentes. De nombreuses montres mécaniques se contentent ainsi d'afficher la date du jour dans un guichet, en sus de l'heure affichée par des aiguilles. Des affichages à grande date, dans lesquels la date est affichée au moyen de deux chiffres portés par deux indicateurs, sont aussi connus. Lorsque la place à disposition est suffisante, on ajoute parfois le mois, l'année ou le jour de la semaine dans un autre guichet.Conventional mechanical watches do not offer this flexibility and generally do not allow to display a large number of different functions. Many mechanical watches are thus content to display the date of the day in a window, in addition to the time displayed by hands. Large-date displays, in which the date is displayed using two figures carried by two indicators, are also known. When space is sufficient, the month, year or day of the week is sometimes added to another window.

Par ailleurs, les indicateurs (aiguilles ou disques) des montres mécaniques conventionnelles sont généralement entraînés par l'intermédiaire d'un train d'engrenage comprenant une succession de pignons et de roues. La rotation continue, toujours dans le même sens, des engrenages ne permet pas une grande flexibilité dans la commande de l'indicateur.In addition, the indicators (needles or disks) of conventional mechanical watches are generally driven via a gear train comprising a succession of pinions and wheels. The continuous rotation, always in the same direction, of the gears does not allow a great flexibility in the control of the indicator.

On connaît par ailleurs aussi des montres comportant une aiguille entraînée par une came. Cette solution est notamment employée pour des affichages rétrogrades. Une seule came est associée de manière fixe à chaque aiguille.Also known are watches having a needle driven by a cam. This solution is used in particular for retrograde displays. Only one cam is fixedly associated with each needle.

DE19649590A1 décrit un procédé pour l'affichage d'une grande date dans le guichet d'une montre bracelet en utilisant plusieurs cames. Chaque came est associée de manière définitive à un élément d'affichage et ce procédé ne permet donc pas de modifier le type d'informations affichées. DE19649590A1 describes a method for displaying a large date in the window of a wristwatch using multiple cams. Each cam is permanently associated with a display element and this method therefore does not allow to change the type of information displayed.

Le document CH693155 divulgue un mécanisme d'affichage couplé à un mécanisme d'entraînement principal ou à un engrenage différentiel pour des modes d'affichage alternatifs. L'engrenage différentiel comporte un pignon satellite et une première came permettant de sélectionner l'un des mécanismes d'entraînement alternatifs. Le mécanisme d'affichage peut être remis dans sa position d'origine à l'aide d'une seconde came.The document CH693155 discloses a display mechanism coupled to a main drive mechanism or a differential gear for alternative display modes. The differential gear comprises a planet gear and a first cam for selecting one of the alternative drive mechanisms. The display mechanism can be returned to its original position using a second cam.

Bref résumé de l'inventionBrief summary of the invention

Un but de la présente invention est de proposer un mouvement de montre exempt des limitations des mouvements de montre connus.An object of the present invention is to provide a watch movement free from the limitations of known watch movements.

Un autre but de l'invention est de proposer un mouvement de montre, notamment un mouvement mécanique, permettant de choisir la fonction affichée en un instant donné par un indicateur.Another object of the invention is to propose a watch movement, in particular a mechanical movement, making it possible to choose the function displayed at a given instant by an indicator.

Selon l'invention, ces buts sont atteints notamment au moyen d'un mouvement horloger comportant un dispositif d'affichage comportant :

  • un ou plusieurs indicateurs rotatifs, dont le type d'indication affiché est sélectionnable au moyen d'un organe de commande externe au mouvement,
  • pour chacun desdits indicateurs, au moins une première et au moins une deuxième came agencée pour commander la position angulaire de cet indicateur, et
  • des moyens de sélection pour sélectionner la came agissant sur chaque indicateur.
According to the invention, these objects are achieved in particular by means of a watch movement comprising a display device comprising:
  • one or more rotary indicators, whose type of displayed indication is selectable by means of a control member external to the movement,
  • for each of said indicators, at least a first and at least a second cam arranged to control the angular position of this indicator, and
  • selection means for selecting the cam acting on each indicator.

Ces moyens de sélection peuvent par exemple être actionnés par la couronne pour choisir en tout temps la came dont la position détermine la valeur affichée par l'indicateur, ou le train d'engrenage déterminant la position de cette came.These selection means may for example be actuated by the crown to choose at all times the cam whose position determines the value displayed by the indicator, or the gear train determining the position of this cam.

Dans une variante, le dispositif d'affichage comporte des moyens de sélection pour sélectionner un train d'engrenage utilisé pour déterminer la position d'au moins l'une des cames.In a variant, the display device comprises selection means for selecting a gear train used to determine the position of at least one of the cams.

Dans une variante préférentielle, le mouvement comporte un indicateur des dizaines et un indicateur des unités, par exemple sous la forme de disques permettant en collaboration d'afficher un nombre à deux chiffres par exemple dans un double guichet. Le mouvement comporte en outre plusieurs paires de cames, et des moyens pour choisir en tout temps la paire de cames commandant la paire d'indicateurs. Chaque paire correspond à une fonction différente affichée.In a preferred embodiment, the movement comprises an indicator of the tens and an indicator of the units, for example in the form of disks that can collaboratively display a two-digit number, for example in a double window. The movement further comprises several pairs of cams, and means for choosing at any time the pair of cams controlling the pair of indicators. Each pair corresponds to a different function displayed.

De plus, le but de l'invention peut être atteint au moyen d'un procédé pour sélectionner l'indication affichée par un indicateur d'un mouvement horloger, comportant une étape de sélection d'une came parmi au moins une première et une deuxième came agencée pour commander la position angulaire de cet indicateur, la selection étant effectuée au moyen d'un organe de commande externe à la montre, la came sélectionnée actionnant ledit indicateur.In addition, the object of the invention can be achieved by means of a method for selecting the indication displayed by an indicator of a watch movement, comprising a step of selecting a cam from at least a first and a second cam arranged to control the angular position of this indicator, the selection being performed by means of a control member external to the watch, the selected cam actuating said indicator.

A titre d'exemple, le mouvement de l'invention peut afficher au choix l'une des indications suivantes dans un guichet:

  • la date du jour (de 1 à 31 ; fonction 1)
  • le mois (de 1 à 12; fonction 2)
  • l'année de révision (de 1 à 9, par exemple ; fonction 3)
  • le nombre d'heures de réserve de marche (de 1 à 48, selon la montre ; fonction 4)
  • la semaine (de 1 à 53)
  • l'année en cours (de 00 à 99)
  • etc
For example, the movement of the invention can optionally display one of the following indications in a window:
  • today's date (from 1 to 31, function 1)
  • the month (from 1 to 12, function 2)
  • the year of revision (from 1 to 9, for example, function 3)
  • the number of hours of power reserve (from 1 to 48, according to the watch, function 4)
  • the week (from 1 to 53)
  • the current year (from 00 to 99)
  • etc.

La fonction affichée est sélectionnée par le porteur de la montre, par exemple au moyen de la couronne. Chaque action sur la couronne permet de sélectionner la fonction suivante dans une séquence. L'indication sélectionnée est ensuite affichée en appuyant sur un poussoir qui permet d'agir sur des palpeurs (des doigts) dont la position est déterminée par la forme est la position angulaire de cames entraînées en rotation par un engrenage adapté à chaque fonction.The function displayed is selected by the wearer of the watch, for example by means of the crown. Each action on the crown allows you to select the next function in a sequence. The selected indication is then displayed by pressing a pusher that can act on probes (the fingers) whose position is determined by the shape is the angular position of cams rotated by a gear adapted to each function.

Dans un exemple, la came des unités comporte 60 dents et celle des unités est réduite d'un facteur 10, soit 6 dents. Cette configuration permet d'afficher des valeurs de 0 à 59. Des cames d'unité à 100 dents et des cames de dizaines à 10 dents peuvent aussi être employées pour des affichages de 0 à 99.In one example, the cam of the units has 60 teeth and that of the units is reduced by a factor of 10, ie 6 teeth. This configuration allows you to display values from 0 to 59. 100-tooth drive cams and 10-tooth tens cams can also be used for displays from 0 to 99.

Une fois la sélection effectuée, les palpeurs (doigts) des unités et des dizaines viennent se positionner contre la came correspondante et par l'intermédiaire d'un levier (bascule amplificatrice) déplacent une crémaillère qui engraine un pignon pour indexer le disque correspondant et afficher l'information.Once the selection is made, the probes (fingers) of the units and tens are positioned against the corresponding cam and by means of a lever (amplifying rocker) move a rack that engages a pinion to index the corresponding disk and display the information.

Brève description des dessinsBrief description of the drawings

Des exemples de mise en oeuvre de l'invention sont indiqués dans la description illustrée par les figures annexées dans lesquelles :

  • La figure 1 illustre une vue en perspective d'une montre comportement un mouvement selon l'invention.
  • La figure 2 illustre schématiquement le mouvement horloger de l'invention.
  • La figure 3 est une vue en élévation du mouvement de la figure 2.
  • La figure 4 illustre une paire de cames employées dans le mouvement.
  • La figure 5 illustre le disque des unités du mouvement.
  • La figure 6 est une vue en perspective simplifiée des éléments du mouvement utiles à la compréhension de l'invention.
Examples of implementation of the invention are indicated in the description illustrated by the appended figures in which:
  • The figure 1 illustrates a perspective view of a movement behavior watch according to the invention.
  • The figure 2 schematically illustrates the watch movement of the invention.
  • The figure 3 is an elevational view of the movement of the figure 2 .
  • The figure 4 illustrates a pair of cams used in the movement.
  • The figure 5 illustrates the disk of movement units.
  • The figure 6 is a simplified perspective view of the movement elements useful for understanding the invention.

Exemple(s) de mode de réalisation de l'inventionExample (s) of embodiment of the invention

La figure 1 illustrée une vue en perspective d'une montre munie d'un mouvement mécanique selon l'invention. La montre comporte des aiguilles au centre pour afficher l'heure, les minutes et les secondes de manière entièrement conventionnelle, ainsi que dans cet exemple des petits cadrans pour afficher des indications auxiliaires, par exemple des durées chronométrées. Un guichet 14 permet d'afficher une indication numérique à deux chiffres portés par un disque des dizaines 15 et par un disque des unités 12. Le type d'indication affiché en un instant donné est sélectionné au moyen de la couronne 34 ou dans une variante à l'aide de l'un des boutons poussoirs 1. Le choix effectué est en outre indiqué par une aiguille 36 sur un petit cadran à 6 heures. L'indication souhaitée peut être affichée en permanence ou seulement lorsque le porteur de la montre appuie sur un des poussoirs 1. Dans cet exemple, l'indication affichée dans le guichet 14 correspond à une réserve de marche; la montre illustrée permet également d'afficher la semaine, l'année de révision ou la date dans le même guichet. D'autres fonctions sélectionnables peuvent être affichées. En outre, l'invention n'est pas limitée à des indicateurs 12, 15 constitués par des disques affichant une valeur dans un guichet ; des aiguilles peuvent aussi être commandées selon le même principe.The figure 1 illustrated a perspective view of a watch provided with a mechanical movement according to the invention. The watch has hands in the center to display the hours, minutes and seconds in an entirely conventional manner, and in this example small dials to display auxiliary indications, for example timed durations. A window 14 makes it possible to display a two-digit numerical indication carried by a disk of tens 15 and by a disk of the units 12. The type of indication displayed at a given moment is selected by means of the crown 34 or in a variant using one of the push buttons 1. The choice made is further indicated by a needle 36 on a small dial at 6 o'clock. The desired indication may be displayed permanently or only when the wearer of the watch presses one of the pushbuttons 1. In this example, the indication displayed in the window 14 corresponds to a power reserve; the illustrated watch also displays the week, year of revision or date in the same box. Other selectable functions can be displayed. In addition, the invention is not limited to indicators 12, 15 constituted by disks displaying a value in a window; needles can also be ordered according to the same principle.

Nous allons maintenant décrire le principe du mécanisme de l'invention en nous référant simultanément aux figures 2, 3 et 6. Le mouvement comporte au moins deux cames, y compris une came des unités 6 et une came des unités 5 entraînées en rotation par un train d'engrenage non représenté. Dans cet exemple, la came des unités comporte 60 dents et la came des dizaines 6 dents. Les deux cames sont montées coaxialement sur l'axe 17 et tournent de façon synchrone dans le sens horaire. La vitesse de rotation, donnée par le train d'engrenage, peut dépendre de la fonction sélectionnée.We will now describe the principle of the mechanism of the invention by simultaneously referring to Figures 2, 3 and 6 . The movement comprises at least two cams, including a cam of the units 6 and a cam of the units 5 rotated by a not shown gear train. In this example, the cam of the units has 60 teeth and the cam of the tens 6 teeth. Both cams are mounted coaxially on the axis 17 and rotate synchronously clockwise. The speed of rotation, given by the gear train, may depend on the selected function.

Des doigts (ou palpeurs) 3 respectivement 4 prennent la cote de la came 6 respectivement 5. Les doigts se déplacent selon la direction de la flèche F (figure 1) en fonction de la hauteur de la dent avec laquelle ils sont en contact. La position des doigts dépend donc du profil et de la position angulaire de la came correspondante.Fingers (or probes) 3 and 4 respectively take the dimension of the cam 6 or 5. The fingers move in the direction of the arrow F ( figure 1 ) depending on the height of the tooth with which they are in contact. The position of the fingers therefore depends on the profile and the angular position of the corresponding cam.

Les doigts 3, 4 sont appuyés contre la came correspondante 6, respectivement 5 au moyen du sélecteur 2 exerçant une poussée dans le sens de la flèche F lorsque le poussoir 1 est actionné. Il est aussi envisageable d'employer des doigts en contact permanent avec la came correspondante, par exemple sous l'action d'un ressort.The fingers 3, 4 are pressed against the corresponding cam 6, respectively 5 by means of the selector 2 exerting a thrust in the direction of the arrow F when the pusher 1 is actuated. It is also conceivable to use fingers in permanent contact with the corresponding cam, for example under the action of a spring.

Le doigt 3 est appuyé contre la came associée 6 en faisant pivoter le levier 26 autour de l'axe 9. L'extrémité du levier 26 opposée au doigt 3 est munie d'une articulation 10 engagée dans une crémaillère 28. Sur la figure 1, la liaison entre le levier 26 et la crémaillère 28 se fait au travers d'un bras 25 facultatif et non représenté sur la figure 6. Le pivotement du levier 26 sous l'action de la came 6 entraîne un déplacement longitudinal de la crémaillère 28, ce qui provoque une rotation du pignon 13 auquel le disque des unités 12 est associé. La position du disque des unités 12 est donc donnée par le profil et la position angulaire de la came associée 6. La forme et le pas des dents sur cette came sont déterminés de manière à ce que chaque passage du doigt 3 d'une dent à la suivante provoque un mouvement d'indexation net du disque associé, qui peut donc uniquement occuper un nombre limité de positions angulaires discrètes.The finger 3 is pressed against the associated cam 6 by pivoting the lever 26 about the axis 9. The end of the lever 26 opposite the finger 3 is provided with a hinge 10 engaged in a rack 28. On the figure 1 , the connection between the lever 26 and the rack 28 is through an optional arm 25 and not shown on the figure 6 . The pivoting of the lever 26 under the action of the cam 6 causes a longitudinal displacement of the rack 28, which causes a rotation of the pinion 13 to which the disk of the units 12 is associated. The position of the disk of the units 12 is thus given by the profile and the angular position of the associated cam 6. The shape and the pitch of the teeth on this cam are determined so that each passage of the finger 3 of a tooth to the next causes a net indexing movement of the associated disk, which can therefore occupy only a limited number of discrete angular positions.

De la même manière, la came des dizaines 5 entraînée en rotation à la même vitesse que la came des unités provoque l'indexation du disque des dizaines 15. La transmission se fait au travers du doigt des dizaines 4, du levier 27, de la crémaillère 30-qui peut être liée à un bras 29 - et du pignon 31.In the same manner, the tens of the cam 5 rotated at the same speed as the cam of the units causes the indexing of the tens disk 15. The transmission is through the finger tens, lever 27, the rack 30 which can be connected to an arm 29 and pinion 31.

Dans l'exemple illustré avec une came des dizaines 5 comportant 6 dents et une came des unités 6 comportant 60 dents, le disque des dizaines est incrémenté dès que le disque des dizaines a effectué un tour plus un pas (pour passer de 0 à 10). Le doigt 4 en appui sur la came des dizaines passe donc sur la deuxième dent dès que la came des dizaines 5 a parcouru 66°.In the example illustrated with a cam of tens having 6 teeth and a cam of the units 6 comprising 60 teeth, the tens disk is incremented as soon as the tens disk has made one revolution plus one step (to go from 0 to 10 ). The finger 4 resting on the tens of the cam therefore passes on the second tooth as soon as the cam of tens 5 has traveled 66 °.

Le mouvement illustré notamment sur la figure 3 comporte 4 paires de cames, c'est-à-dire 4 cames d'unités et 4 cames de dizaines permettant d'afficher 4 fonctions. La fonction 1 est donnée par les cames 6-5, la fonction 2 par les cames 18-19, la fonction 3 par les cames 20-21 et la fonction 4 par les cames 22-23. D'autres nombres de paires de cames peuvent être employés dans le cadre de l'invention.The movement illustrated in particular on the figure 3 has 4 pairs of cams, that is to say 4 cams of units and 4 cams of tens to display 4 functions. The function 1 is given by the cams 6-5, the function 2 by the cams 18-19, the function 3 by the cams 20-21 and the function 4 by the cams 22-23. Other numbers of pairs of cams may be employed within the scope of the invention.

Dans l'exemple illustré, toutes les cames sont superposées et montées coaxialement sur un axé 17. Les cames tournent donc de façon synchrone en étant entraînées par l'axe 17. Des cames juxtaposées peuvent cependant aussi être employées pour réduire l'épaisseur de la superposition. Par ailleurs, il est aussi possible d'employer des cames ou des paires de came tournant à des vitesses différentes, ou même dans des sens différents. Il est possible d'employer des cames d'unités et des cames de dizaines toutes identiques, mais tournant à des vitesses différentes et/ou déphasées. Il est aussi possible d'employer des paires de came munies de profils différents. Par ailleurs, il est aussi possible d'employer des cames tournant de manière non continue ou avec une vitesse angulaire variable.In the illustrated example, all the cams are superimposed and mounted coaxially on an axis 17. The cams therefore rotate synchronously while being driven by the axis 17. Juxtaposed cams can, however, also be used to reduce the thickness of the cam. overlay. On the other hand, it is also possible to use cams or cam pairs rotating at different speeds, or even in different directions. It is possible to use unit cams and tens cams all identical, but rotating at different speeds and / or out of phase. It is also possible to use cam pairs with different profiles. Furthermore, it is also possible to use cams rotating non-continuously or with a variable angular velocity.

Une des paires de came est sélectionnée pour afficher une des quatre fonctions dans le guichet en déplaçant les doigts des unités et des dizaines le long de la colonne 33, selon la flèche B. Le déplacement des doigts 3,4 est actionné au travers du sélecteur 2 par la manivelle ou le maneton 24 solidaire de la couronne 34 tournant dans le sens de la flèche H. D'autres moyens de sélection, par exemple au moyen d'un bouton poussoir ou en fonction d'événements prédéfinis de la montre peuvent être envisagés.One of the pairs of cams is selected to display one of the four functions in the window by moving the fingers of the units and tens along the column 33, according to the arrow B. The displacement of the fingers 3,4 is actuated through the selector 2 by the crank or the crank pin 24 integral with the crown 34 rotating in the direction of the arrow H. Other selection means, for example by means of a push button or according to predefined events of the watch can be considered.

Une fois la position définie et une paire de cames sélectionnées, il suffit d'appuyer sur le poussoir 1 dans le sens de la flèche D pour déplacer toute la colonne 33 et palper les deux cames sélectionnée avec les doigts 3, 4 afin de déterminer la valeur affichée dans le guichet 14.Once the position is defined and a pair of cams selected, simply press the button 1 in the direction of the arrow D to move the entire column 33 and palpate the two selected cams with the fingers 3, 4 to determine the value displayed in the window 14.

Une paire de cames 5-6 est illustrée à titre d'exemple sur la figure 4. On voit la came des unités 6 dont le profil externe est muni dans cet exemple de 60 dents espacées angulairement de 6°; la hauteur de chaque dent est indiquée par la référence a. La forme en escargot de la came provoque un déplacement de la crémaillère associée dans un sens à chaque pas d'incrémentation, puis un retour brusque dans l'autre sens après un tour complet de la came. D'autres profils, impliquant plus de mouvements de va-et-vient, peuvent être envisagés.A pair of cams 5-6 is illustrated by way of example on the figure 4 . We see the cam units 6 whose outer profile is provided in this example 60 teeth angularly spaced 6 °; the height of each tooth is indicated by the reference a. The snail shape of the cam causes a movement of the associated rack in one direction at each incrementation step, then a sudden return in the other direction after a complete revolution of the cam. Other profiles, involving more back-and-forth movements, can be envisaged.

La came des dizaines 5 est munie dans cet exemple de 6 dents espacées angulairement de 60° avec une hauteur g. Comme pour la came 6, la crémaillère associée parcoure dans cet exemple non limitatif un déplacement linéaire dans un sens à chaque tour de la came, puis un retour rapide à la position initiale.The tens of the cams 5 is provided in this example with six teeth angularly spaced 60 ° with a height g. As for the cam 6, the associated rack traverses in this nonlimiting example a linear displacement in one direction each turn of the cam, then a quick return to the initial position.

Les deux cames sont assemblées sur l'axe 17 permettant une articulation angulaire mais rendant les cames solidaires en rotation. L'axe 17 (ou chaque came individuellement) est entrainé en rotation par un train d'engrenage non représenté.The two cams are assembled on the shaft 17 allowing angular articulation but making the cams integral in rotation. The axis 17 (or each cam individually) is rotated by a not shown gear train.

La figure 5 montre le disque des unités 12 muni de chiffres de 0 à 9 correspondant à 10 positions angulaires de la came des unités. Le disque des unités effectue un tour complet dans le sens horaire lorsque la came des unités est incrémentée de 10 positions, c'est-à-dire de 60°. Après 6 tours complets, dans cet exemple, la crémaillère 28 reprend sa position initiale et le disque 12 effectue 6 tours dans le sens anti-horaire. Un ressort 11, en forme de cône dans cet exemple, bloque momentanément la position du pignon 13 associé à l'indicateur afin d'assurer une position exacte des chiffres 35 dans le guichet 14. Un dispositif de dégagement du ressort 11 pendant le déplacement de la crémaillère n'est pas décrit ici.The figure 5 shows the disk of the units 12 provided with numerals from 0 to 9 corresponding to 10 angular positions of the cam of the units. The units disk rotates one full clockwise when the cam of the units is incremented by 10 positions, that is, by 60 °. After 6 complete turns, in this example, the rack 28 resumes its initial position and the disc 12 makes 6 turns in the counter-clockwise direction. A spring 11, in the form of a cone, temporarily blocks the position of the pinion 13 associated with the indicator in order to ensure an exact position of the digits 35 in the aperture 14. A device for disengaging the spring 11 during the movement of the the rack is not described here.

Le disque des dizaines est réalisé de manière similaire, seules les indications marquées 35 étant éventuellement différentes. Dans l'exemple de la figure 6, destiné à afficher des nombres jusqu'à 59 au maximum, seuls les chiffres de 0 à 6 sont marqués sur le disque des dizaines.The tens disk is similarly made, with only the marked indications possibly being different. In the example of the figure 6 , intended to display numbers up to 59 at most, only numbers from 0 to 6 are marked on the tens disk.

Comme mentionné, le ou les disques des unités 12 est lié à la came des unités correspondante 6 par l'intermédiaire du levier 26 pivotant autour de l'axe 9. Le ou les disques des dizaines sont liés à la came des dizaines 5 par l'intermédiaire du levier 27 pivotant autour du même axe 9. Il est cependant possible de varier la forme et la dimension des leviers 26, 27, et/ou la position du point de pivotement 9, afin de varier le rapport d'amplification des leviers 26, 27 et ainsi de produire des déplacements angulaires des indicateurs différents pour une hauteur a, g de dent donnée.As mentioned, the disk (s) of the units 12 is linked to the cam of the corresponding units 6 by means of the lever 26 pivoting about the axis 9. The disk (s) of the tens are linked to the cam of the tens 5 by 1 intermediate lever 27 pivoting about the same axis 9. It is however possible to vary the shape and size of the levers 26, 27, and / or the position of the pivot point 9, to vary the amplification ratio levers 26, 27 and so produce displacements angular different indicators for a given height a, g of tooth.

L'exemple ci-dessus concerne un affichage de fonctions au travers d'un guichet, au moyen d'un disque des dizaines et d'un disque des unités. Les disques peuvent cependant aussi être remplacés par des aiguilles. Par ailleurs, des affichages non décimaux peuvent aussi être employés, par exemples pour afficher des secondes ou des minutes de 0 à 59 ou des heures de 0 à 11 ou de 0 à 23. L'invention s'applique aussi à des mouvements comportant un seul indicateur, par exemple un seul disque, et plusieurs cames dont l'une peut être sélectionnée au moyen d'un organe pour afficher la fonction choisie.The above example concerns a display of functions through a window, by means of a tens disk and a disk of the units. The discs can however also be replaced by needles. On the other hand, non-decimal displays may also be employed, for example to display seconds or minutes from 0 to 59 or hours from 0 to 11 or from 0 to 23. The invention also applies to movements involving a single indicator, for example a single disk, and several cams, one of which can be selected by means of an organ to display the chosen function.

Les différentes cames ou paires de cames peuvent être entraînées à des vitesses différentes, au travers de trains d'engrenages indépendants, en fonction de l'indication que l'on souhaite afficher. Il est ainsi possible de réaliser plusieurs fonctions avec une seule came, ou paire de cames, en sélectionnant le train d'engrenage utilisé peur déterminer la position de cette came. Par ailleurs, il est aussi possible de prévoir une montre qui affiche par défaut toujours la même fonction dans le guichet, par exemple la date, et une fonction différente uniquement lorsqu'un organe de sélection 34 est actionné.The different cams or pairs of cams can be driven at different speeds, through independent gear trains, depending on the indication to be displayed. It is thus possible to perform several functions with a single cam, or pair of cams, by selecting the gear train used to determine the position of this cam. Moreover, it is also possible to provide a watch which always displays by default always the same function in the window, for example the date, and a different function only when a selection member 34 is actuated.

Dans l'exemple illustré, une indication est affichée dans le guichet uniquement lorsque le poussoir 1 est pressé. Il est cependant aussi possible d'appuyer les doigts 3, 4 contre la paire de cames sélectionnées même lorsque le poussoir n'est pas sélectionné, est de dégager ces doigts par exemple lors du changement de fonction. Cette variante a l'avantage d'afficher en tout temps une fonction, par exemple la fonction sélectionnée ou la fonction par défaut, dans le guichet 14.In the illustrated example, an indication is displayed in the window only when the pushbutton 1 is pressed. However, it is also possible to press the fingers 3, 4 against the pair of selected cams even when the pusher is not selected, is to release these fingers for example during the change of function. This variant has the advantage of displaying at any time a function, for example the selected function or the default function, in the window 14.

Liste des éléments illustrés à titre d'exemple sur les figuresList of elements illustrated by way of example in the figures

11
Poussoir 1Push 1
22
SélecteurSelector
33
Doigt des unitésFinger of units
44
Doigt des dizainesDozens fingers
55
Came des dizaines 1Came of the tens 1
66
Came des unités 1Cam of the units 1
77
Axe du bras articulé 27 des dizainesArticulated arm axis 27 dozens
99
Axe du bras articulé 26 des unitésArticulated arm axis 26 units
1010
Articulation bras 26-crémaillèreArticulation arm 26-rack
1111
Ressort en forme de côneCone spring
1212
Disque des unitésDisk of units
1313
Pignon des unitésGear units
1414
GuichetCounter
1515
Disque des dizainesDisk tens
1717
Axe supportant l'ensemble des camesAxis supporting all cams
1818
Came des dizaines 2Came of the tens 2
1919
Came des unités 2Cam units 2
2020
Came des dizaines 3Came of the tens 3
2121
Came des unités 3Came of units 3
2222
Came des dizaines 4Came of the tens 4
2323
Came des unités 4Cam units 4
2424
Manivelle de contrôle de la position des doigts le long de la colonne 33Hand crank for checking the position of the fingers along the column 33
2525
Bras des unitésArms of units
2626
Levier des unitésUnits lever
2727
Levier des dizainesTens lever
2828
Crémaillère des unitésHousewarming units
2929
Bras des dizainesDozens arms
3030
Crémaillère des dizainesDozens housewarming
3131
Pignon des dizainesTens gear
3333
ColonneColumn
3434
CouronneCrowned
3535
Chiffres sur le disque des unitésNumbers on the disk of the units
3636
Affichage de fonctionFunction display
aat
Hauteur des dents de la came 6Height of the teeth of the cam 6
gboy Wut
Hauteur des dents de la came 5Height of the teeth of the cam 5
BB
Sens de déplacement le long de la colonne 33Direction of movement along column 33
DD
Sens de déplacement du poussoir 1Direction of movement of the pusher 1
FF
Sens de déplacement des doigts contre les camesDirection of movement of the fingers against the cams
HH
Sens de rotation de la couronneDirection of rotation of the crown

Claims (18)

  1. Watch movement having a display mechanism with:
    one or several rotating indicators (12, 15), of which the type of displayed indication can be selected by means of an order organ (34), which is extern of this movement,
    for each of said indicators (12, 15), at least a first cam and at least a second cam (5, 6, 18, 19, 20, 21, 22, 23) arranged to control the angular position of the rotating indicator (12, 15),
    characterized in having selection means (34, 24, 33) for selecting the cam acting on each indicator (12, 15).
  2. The movement of claim 1, wherein the first and the second cam are superposed and mounted coaxial on an axis (17).
  3. The movement one of the preceding claims, said selection means being actuated by means of a push-button or a crown (34) that can be operated by the watch wearer.
  4. The movement of claim 3, said crown actuating a crank-handle (24) or crank-pin for displacing a feeler finger of said cam.
  5. The movement of one of the claims 1 to 4, having:
    several pairs of cams (5-6; 19-19; 20-21; 22-23), including at least a pair of first cams (5-6) and at least a pair of second came (18-19);
    a units indicator (12), and
    a tens indicator (15),
    said means for selecting the cam pair are suitable for determining the angular position of said tens and units indicators at a given instant.
  6. The movement of claim 5, wherein said cam pairs are superimposed.
  7. The movement of claim 6, wherein said cam pairs all turn at the same angular speed.
  8. The movement of one of the claims 1 to 7, having an indicator (36) to indicate on a dial the selected cam or cam pair.
  9. The movement of one of the claims 1 to 8, having selection means for selecting a gear train used for driving on one of said cams.
  10. The movement of one of the claims 5 to 7, having:
    a pair of fingers (3, 4), each associated to one came of said pairs of cams for feeling the external profile of the cam,
    a lever (26, 27) associated to each finger, each lever pivoting around a pivot staff (7, 9) when the corresponding finger moves under the effect of the cam's rotation so as to drive a rack (28, 30),
    wherein the pivot staffs (7, 9) of the different levers are non-coaxial so as to control the amplification of the rotations of said indicators caused by a given tooth height (a, g) on said external profile.
  11. The movement of one of the claims 1 to 4, comprising a pair of first cams (5, 6),
    said indicators comprising a rotating units indicator (12) and a rotating tens indicator (15), said units indicator and said tens indicator displaying together a two-digit number.
  12. The movement of one of the claims 1 to 11, wherein each cam is arranged to made into rotation and in which, when the cam acts on said indicators, he moves the associated indicator through a rack (28) and a pinion (13).
  13. The movement of one of the claims 1 to 7 and 9 to 12, wherein:
    each cam has an external profile with a distance to the center varying along its periphery, and for each of said indicators (12, 15), the display mechanism comprises:
    a finger (3, 4) for feeling the external profile of the cam, selected for acting on the indicator,
    a lever (26, 27) is associated to said finger (3, 4),
    a rack (28, 30) is arranged for being actuated by said lever (26),
    a pinion (13, 31) is arranged to rotate by said rack (28, 30);
    said indicator (12, 15) is arranged for being driven by said pinion.
  14. The movement of claim 13, said display mechanism being multifunctional,
    each of said indicator being a disc (12, 15) bearing digits (35) designed to be displayed in an aperture (14),
    and wherein said finger (3, 4) can be pressed against the selected cam by acting on a push-button (1).
  15. The movement of claim 11, the cams in the first pair of cams (5, 6) being driven in synchronous fashion, one of the first cams having an external profile having teeth spaced by a first pitch, and the other of said cams having a profile having teeth spaced by a second pitch,
    said second pitch being a multiple by 10 of said first pitch, so as to cause an increment of the tens indicator after ten increments of the units indicator.
  16. The movement of one of the claims 1 to 16, adapted for a wristwatch.
  17. Method for selecting the indication displayed by an indicator (12, 15) of a watch movement, including a step of selecting a cam from among at least a first and a second cam (5, 6, 18, 19, 20, 21, 22, 23) arranged for ordering the angular position of said indicator (12, 15), the selection being performed by means of a control organ (34) external to the watch, the selected cam actuating said indicator.
  18. Watch movement having a display mechanism including
    one or several rotating indicators (12, 15), of which the type of displaying indication can be selected by means of an order organ (34), which is extern of this movement,
    for each of said indicators (12, 15), at least a first cam arranged to control the angular position of the rotating indicator (12, 15),
    characterized in having selection means (34, 24, 33) selecting a gear train between a plurality of gear trains used for determining the position of said cam.
EP06778272A 2005-08-17 2006-08-17 Timepiece movement comprising an indicator with selectable indication Active EP1922591B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH13422005 2005-08-17
PCT/EP2006/065423 WO2007020289A2 (en) 2005-08-17 2006-08-17 Clock movement comprising indicators for displaying units and tens

Publications (2)

Publication Number Publication Date
EP1922591A2 EP1922591A2 (en) 2008-05-21
EP1922591B1 true EP1922591B1 (en) 2011-05-18

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EP06778272A Active EP1922591B1 (en) 2005-08-17 2006-08-17 Timepiece movement comprising an indicator with selectable indication

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US (1) US8004936B2 (en)
EP (1) EP1922591B1 (en)
AT (1) ATE510243T1 (en)
WO (1) WO2007020289A2 (en)

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CN107247400A (en) * 2012-11-16 2017-10-13 哈里·温斯顿公司 Platform for showing a plurality of mutually different temporal information
CN107247400B (en) * 2012-11-16 2019-06-28 哈里·温斯顿公司 For showing the platform of a plurality of mutually different temporal information

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US20090040880A1 (en) 2009-02-12
WO2007020289A3 (en) 2007-06-07
US8004936B2 (en) 2011-08-23
ATE510243T1 (en) 2011-06-15
EP1922591A2 (en) 2008-05-21
WO2007020289A2 (en) 2007-02-22

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