EP2728420B1 - Astronomical watch - Google Patents

Astronomical watch Download PDF

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Publication number
EP2728420B1
EP2728420B1 EP12191477.4A EP12191477A EP2728420B1 EP 2728420 B1 EP2728420 B1 EP 2728420B1 EP 12191477 A EP12191477 A EP 12191477A EP 2728420 B1 EP2728420 B1 EP 2728420B1
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EP
European Patent Office
Prior art keywords
day
train
phase
arbour
movement
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.)
Active
Application number
EP12191477.4A
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German (de)
French (fr)
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EP2728420A1 (en
Inventor
Eric Goeller
Alain Zaugg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Montres Breguet SA
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Montres Breguet SA
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Publication date
Application filed by Montres Breguet SA filed Critical Montres Breguet SA
Priority to CH02262/12A priority Critical patent/CH707163A2/en
Priority to EP12191477.4A priority patent/EP2728420B1/en
Priority to EP13185191.7A priority patent/EP2728421B1/en
Priority to US14/069,523 priority patent/US8995233B2/en
Priority to CN201310539594.9A priority patent/CN103809422B/en
Priority to JP2013230043A priority patent/JP5695164B2/en
Publication of EP2728420A1 publication Critical patent/EP2728420A1/en
Application granted granted Critical
Publication of EP2728420B1 publication Critical patent/EP2728420B1/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
    • G04B19/26—Clocks or watches with indicators for tides, for the phases of the moon, or the like
    • G04B19/262—Clocks or watches with indicators for tides, for the phases of the moon, or the like with indicators for astrological informations
    • 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
    • G04B19/26—Clocks or watches with indicators for tides, for the phases of the moon, or the like
    • G04B19/268—Clocks or watches with indicators for tides, for the phases of the moon, or the like with indicators for the phases of the moon

Definitions

  • the invention relates to a mechanism for displaying the day and the phase of at least one first star relative to a second star.
  • the invention also relates to a movement comprising drive means for driving at least one such display mechanism.
  • the invention also relates to an astronomical watch, comprising at least one such movement, and / or at least one such mechanism.
  • the invention relates to the field of mechanical watchmaking, and in particular complications for the display of the state of certain bodies.
  • Astronomical watches are among the timepieces with complications appreciated by users. Their accuracy is often approximate as regards the display of the cycles of certain celestial bodies, in particular the lunar cycles, often because of the small volume available in the movement, which generally does not allow to accommodate the large number of wheels that would be necessary to ensure a precise approximation of the durations of day and lunar months.
  • the document WO 91/11756 A1 RICHARD describes a moon display with a first circular plate held in rotation by a drive mechanism of the watch, with a sphere in the moon, movable with this circular support along a window arranged in the dial of the watch.
  • the drive mechanism comprises means for rotating the circular support relative to the window, with a speed corresponding to the speed of the apparent movement of the moon in the sky between its rising and setting.
  • the mechanism rotates a second plate at a speed slightly different from that of the first plate, the second plate drives a pinion that rotates the sphere rotates about an axis parallel to the dial of the watch.
  • the document FR 12 679 052 A1 in the name of GHIRIMOLDI describes a planetarium clock mechanism with a volume representation.
  • the document FR 348 040 A in the name of BURKE describes an astronomical clock with motorization of some stars in rotation compared to others.
  • the invention proposes to integrate in a watch a visual indication of the day of a star, in particular of the lunar day, simultaneously with the display of the phase of this star.
  • the invention seeks to guarantee, at the same time, a high precision as to the respect of the astral periods, and a very good visibility by a three-dimensional display, attractive for the user.
  • the invention relates to a mechanism as defined in independent claim 1.
  • Preferred variants are defined in the dependent claims.
  • the invention relates to an astronomical timepiece, in particular an astronomical watch, and more particularly to a display mechanism for visualizing the state of at least one first star, whether it be an Earth, a a moon, or other, compared to another star.
  • the invention relates more particularly to the three-dimensional display of the day and the phase of a star, this star being seen from another star.
  • the invention relates to a display mechanism 1 of the day and the phase of at least a first star, comprising a gear 2 for a constant frequency drive socket on an output of a watch movement 100.
  • day of a star is meant here the period during which it pivots on itself to return in the same apparent position compared to a fixed terrestrial observer.
  • month of a star is meant a synodic revolution, that is to say the average value of the interval of time which separates two consecutive conjunctions of this star and the sun, moments where this star and the sun have the same celestial longitude, relative to a fixed terrestrial observer.
  • the terrestrial day and the month are to be taken in their usual sense.
  • the true solar day is about 24 hours, a little longer than 3 minutes 36 seconds.
  • minutes 26 seconds as the sidereal day of 23 hours and 56 minutes, which is the duration of rotation of the celestial sphere, that is to say the duration that separates two successive passages of a point y selected on the equator at meridian of the place ..
  • first a mechanism element relating to a display specific to the first star
  • second an element relative to a second star
  • this display mechanism 1 comprises three-dimensional display means 3 of the day and the phase of the first star represented by a first mobile 5, which are driven by the gear 2. As illustrated by the figures, these three-dimensional display means 3 comprise a first phase shaft 4, driven directly or indirectly pivotally by the gear 2.
  • This first phase tree 4 carries a first mobile 5, including a first sphere 5, simulation of the first star, and which performs a rotation whose period has the duration of one month of the first star.
  • sphere a mobile representative of a star, 5 or 50, regardless of the actual form of this mobile.
  • the mechanism 1 comprises a first day tree 6, driven directly or indirectly pivotally by the gear 2.
  • the first mobile 5 or sphere 5 performs a revolution around the first day tree 6, in an orbit whose period has the duration of a day of the first star.
  • the wheel 2 advantageously comprises a phase gear 10 and a day train 20, each engaged with an output of the same movement 100, by example on the roadway or on a wheel of twenty-four hours.
  • the phase wheel 10 and the day train 20 may be driven by different outputs of the same movement, or alternatively by each other or vice versa.
  • the Figures 1 to 6 illustrate a first variant of a mechanism 1 where the first day tree 6 is pivoted by a day train 20, directly or indirectly, from an output of the movement 100.
  • the first phase shaft 4, pivoting about a D4 axis, is pivotally driven by a phase wheel 10, directly or indirectly from an output of the movement 100.
  • the phase wheel 10 or / and the day train 20 comprises at least one disengagement means between its input and its output.
  • the phase gear 10 and the day train 20 each comprise at least one disengagement means between its input and its output.
  • the first phase tree 4 is carried by the first day tree 6, or by a mobile phase 7 driven by this first day tree 6.
  • the day train 20 comprises an input wheel 21, engaged with a wheel twenty-four hours of movement, or with an intermediate wheel giving a pivot in twenty-four hours, and corresponds to the duration of the day Terrestre. It meshes if necessary with a deflection wheel 22, which attacks a day wheel of the first star 23, or it meshes directly with the star of the day starwheel 23, according to the desired gear ratio, this wheel 23 pivoting completely in one day of the first star.
  • the daylighting wheel 23 of the first star is mounted coaxially pivotally around a pivot axis D6 with a male worm gear wheel 24.
  • the wheels 23 and 24 are connected to each other by a jumper 25, an action on the wolf teeth 24 can disengage this mechanism and change their relative angular position.
  • the disengaging means of the day train 20 thus comprise this jumper 25 disposed between, on the one hand, a day wheel 23 kinematically connected to the input wheel from the movement 100, and on the other hand a male wolf wheel. 24, arranged to be driven by the phase gear 10, and which drives the first mobile 5 pivoting.
  • the wheel 24 carries the first day tree 6, which comprises a front gear 26.
  • This front gear 26 meshes with a wheel 27 integral with the first phase shaft 4.
  • the phase wheel 10 comprises an input pinion 11, engaged with the roadway of the movement, or with an intermediate wheel giving it a pivot in one hour.
  • Pinion 11 meshes if necessary with a return wheel 12, which drives an intermediate wheel 13 which performs a revolution in a given period of time, or meshes directly with the wheel 13 as illustrated in FIG. figure 1 , depending on the desired gear ratio.
  • This intermediate wheel 13 has an internal teeth in wolf teeth 14.
  • a snail 15 pivots coaxially with the intermediate wheel 13 about an axis D1
  • its periphery 15A constitutes a cam 16 having a slope 16A delimiting a spout 16B, and a ratchet 17 with a tooth, which pivots on a pivot 17A and which cooperates with the internal toothing 14, as visible on the figure 2 .
  • the periphery 15A of the snail 15 is traversed by a roller 18, in particular a ruby, which is carried by a rocker 19, pivotally mounted about an axis D9 relative to the plate of the movement 100, and a first arm 19A carrying the roller 18 is returned to the snail 15 by a spring not shown in the figures.
  • the roller 18 When, once per turn of the intermediate wheel 13, the roller 18 passes from the high point of the snail 16 to the low point, crossing the spout 16B and the slope 16A, it releases the pawl 7, whose tip then resumes the trough of next tooth of the female teeth 14.
  • the means for disengaging the phase gear train 10 comprise, on the one hand, a cam 16 arranged on the periphery 15A of a snub 15 arranged to be driven by an intermediate wheel 13 kinematically connected to the input wheel from the movement 100, and on the other hand the first arm 19A of a rocker 19, this first arm 19A recalled by elastic return means to this cam 16, and whose jump at a slope 16A of the cam controls the pivoting of the rocker 19 and the movement of a second arm 19B that it comprises, and which carries a pawl 19C, arranged to cooperate with the wolf teeth wheel 24 of the day train 20 and advance it by one position during this jump.
  • the snail 15 is not permanently driven by the intermediate wheel 13, which carries a toothing with teeth of female wolf 14, the snail 15 carrying meanwhile a pawl 17 arranged to fasten it pivotally with the intermediate wheel 13, and whose jump of the first arm 19A of the rocker 19 at a slope 16A of the cam 16 control the release of this pawl 17 with respect to this female wolf teeth teeth 14 before its reengagement in the neighboring tooth position.
  • This declutching combined with a recoil decouples the gear train, and adapt at will the resulting period output of the live train.
  • This pitch of the wolf tooth of the toothing 14 corresponds to a certain elementary duration, according to its number of teeth.
  • the duration until the jump of the next turn is then equal to the difference between the duration of the period of the wheel 13 on the one hand, and this elementary duration on the other hand.
  • the movement 100 leads directly or indirectly, particularly by the roadway, an input wheel 21 and a pinion 11, which are coaxial in the case of the figures, but which may equally well have another arrangement, the latter being more favorable in terms of space occupation.
  • the input wheel 21 has 57 teeth and performs one revolution in twenty-four hours.
  • Pinion 11 has twelve teeth.
  • a first part of the train constituted by the day train 20 comprises two wheels.
  • the input wheel 21 meshes with a return wheel 22, also of 57 teeth, which makes a turn in twenty-four hours.
  • the deflection wheel 22 meshes with a lunar day wheel 23 of 59 teeth, which thus performs a revolution in 24 hours 50 minutes 31.58 seconds.
  • a second part of the cogwheel formed by the phase wheel 10 is composed of a very limited number of components.
  • the pinion 11 of twelve teeth meshes with an intermediate wheel 13 called six hours, 72 teeth, which performs a turn in six hours.
  • This six-hour wheel 13 has an internal toothing of 14 to 64 teeth.
  • a snail 15 pivots coaxially with the six-hour wheel 13, it carries a cam 16 having a slope 16A, and a ratchet 17 with a tooth, which cooperates with the internal toothing 14.
  • the perimeter 15A of the snail 15 is traversed by a roller 18, in particular a ruby, which is carried by a rocker 19, pivotally mounted relative to the platen of the movement, and a first arm 19A carrying the roller 18 is returned to the snail 15 by a spring not shown in the figures.
  • the roller 18 When, once per turn of the six-hour wheel 13, the roller 18 passes from the high point of the snail 16 to the low point, crossing the slope 16A, it releases the pawl 17, the tip of which then resumes the next tooth trough of the female teeth 14.
  • the pitch of 0.20000 mm of the wolf tooth of the toothing 14 corresponds to an elementary duration of 5 minutes and 37.5 seconds.
  • the duration until the jump of the next turn is 6 hours less this elementary time, 5 hours 54 minutes and 22.5 seconds, 21262.5 seconds.
  • the elementary duration would be 5 minutes and 37.98 seconds.
  • the duration until the jump of the next turn is then 6 hours less this elementary duration, ie 5 hours 54 minutes and 22.0 seconds, that is 21262,0 seconds.
  • This wolf wheel 24 is pivotally secured around a pivot axis D6, via a jumper 25, a day tree 6, carrying a front gear 26 of twelve teeth.
  • This front gear 26 meshes with a shaft wheel 27, of fourteen teeth, integral with a phase shaft 4, which pivots about a pivot axis D4 perpendicular to the pivot axis D6.
  • the accuracy depends of course on the precision of the wolf tooth of the toothing 14.
  • This value is a very good approximation of the lunar month. Indeed, the duration of the lunar month is highly variable, from one month to the next in a year, and according to the year, with values commonly varying from one or two hours per month over consecutive months, and which can vary up to at six hours a month.
  • the usual and arbitrary value of the lunar synodic month of 29,530,589 days is an average, which is tainted with a rather strong range of uncertainty, of the order of 1%. As a result, the value established according to the invention is excellent.
  • the mechanism of this star is of mysterious type, and for this purpose the first phase shaft 4 is sapphire, or in a material of similar characteristics.
  • the star sphere 5 here a moon in this application, carries different visualizations 5A, 5B, on its two hemispheres.
  • the first day tree 6 pivots about its axis D6, and carries in its pivoting the shaft 4 carrying the star sphere 5.
  • This shaft 4 thus makes a rotary movement about the axis D6, during which the star sphere 5 pivots around the axis D4.
  • the trajectory of the sphere 5 is carried out partially behind a darkened screen 8, smoked glass or the like, defining a horizon line 9 at the pivot axis D6 of the first day tree 6.
  • the passage of the first mobile Behind the shaded part of screen 8 simulates the position of the star behind the Earth, invisible to the user at the moment considered, but while leaving the state of the phase of this body visible to the user , which explains that the screen 8 is darkened and not opaque.
  • the figure 7 illustrates a second variant of the invention, which includes the same day wheel 20 as in the first variant.
  • the phase gear 10 is simplified, the teeth of female wolf 14 is removed.
  • the disengagement means of the phase gear 10 are the same as in the first variant, against the snail 15 is pivotally secured to the intermediate wheel 13.
  • the input pinion 11 is always engaged with the roadway of the movement, or with an intermediate wheel giving it a pivot in one direction. hour.
  • the pinion 11 of 12 teeth meshes with a return wheel 12 of 72 teeth.
  • This deflection wheel 12 is rotatably coupled with a 64-tooth phase wheel 12A, which drives the intermediate wheel 13 with 63 teeth.
  • the snail 15 pivots coaxially with the intermediate wheel 13 about the axis D1, its periphery 15A constitutes a cam 16 similar to the first variant of the Figures 1 to 6 .
  • the roller 18 When, once per turn of the intermediate wheel 13, the roller 18 passes from the high point of the snail 16 to the low point, crossing the spout 16B and the slope 16A, it controls the pivoting of the rocker 19, and the action of the ratchet 19C on the wagon wheel wheel 24 of the day train 20.
  • This second variant is more economical to produce than the first variant, because of the smaller number of components and the simplified assembly.
  • the combination of teeth results in an error of only 57 seconds per lunar month, which is lower than the known mechanisms.
  • the first day tree 6 is embedded on a day mobile 41 which performs a circular or elliptical trajectory around a central axis D0.
  • Obtaining an elliptical trajectory can be obtained by a sliding assembly of the mobile 41 on a shaft, with a spring return or the like against an elliptical cam.
  • the day mobile 41 can also cooperate, by an external toothing 43 to which it is associated, and which is advantageously made transparent sapphire or the like, and which rolls inside an internal toothing 44 circular or elliptical according to the trajectory which one wishes to display, as visible on the figure 10 .
  • the day mobile 41 carries at least a second sphere 50 for simulating a second star whose angular position is adjustable by manual adjustment means 45 or by a spindle adjustment wheel GMT 46 that involves the movement 100.
  • the figure 10 illustrates the relative motion of the moon and the Earth, and the annual orbit of the Earth in a simplified circular form around the axis D0.
  • the second sphere 50 of the second star here the Earth, while the sphere 5 illustrates the moon, is surrounded by a third sphere 51 of which one hemisphere is transparent, and which carries, driven by a mobile 47 of training day / night, a revolution whose period has the duration of a day of the second star.
  • the day mobile 41 driven directly or indirectly pivotally by the gear 2, performs an eccentric revolution whose period is sub-multiple or multiple of the day of the second star, or whose period has a duration of one year. second star.
  • the mechanism 1 according to the invention displays the day and the lunar phase of the first star which is the moon.
  • the second star is the Earth
  • the mechanism 1 displays, on the one hand, the day-night progression in a meridian of the Earth, and, on the other hand, the local time of the meridian or the position annual Earth in its orbit around the sun.
  • the sphere 5 representative of the first star is enclosed in a transparent spherical dome 51 on one hemisphere and darkened on the other, thus constituting a globe with a day portion and a night portion.
  • This globe is rotated.
  • the position of the star in the globe can be regulated, either by a GMT mechanism according to the figure 13 or manually, by a control rod 45, on which the return for the GMT drive is mounted frictionally.
  • the Figures 11 to 13 represent an advantageous type of mounting, in which a mobile representative of a star 5 or 50 is pivotally mounted in a cylindrical sleeve 70 of axis A, capable of being rotated about this axis.
  • This sleeve 70 may be in two parts to facilitate assembly.
  • the representative spherical portion of the star 5 or 50 is shown enclosed in a hollow globe in two parts, two hemispheres of which can be differentiated in day / night in a plane parallel to the axis A or perpendicular to this axis.
  • axis A the representative spherical portion of the star 5 or 50 is shown enclosed in a hollow globe in two parts, two hemispheres of which can be differentiated in day / night in a plane parallel to the axis A or perpendicular to this axis.
  • the invention thus lends itself equally well to the representation of the Earth, the moon, or any celestial body periodic orbit.
  • the mechanism 1 comprises means for adjusting the sphere 50 of the Earth, either by a rod 45, or by a GMT mechanism 46 when the timepiece has one, which has the advantage of leaving unchanged the main display, while displaying the day-night progress on the GMT time zone of interest to the user.
  • the invention allows the realization of a cosmographic watch, or astronomical, or Earth-moon.
  • a moving earth-moon crew travels the big circle in 12 or 24 hours, and gives, by its angular position, the local time: here 2am in Cambodia, which is still in the darkest sector corresponding to the night .
  • the moon turns around the Earth in a lunar month, while displaying its phases.
  • the axis of the poles of the Earth remains parallel to the axis 12h-6h, as well as the axis of the poles of the moon.
  • the display can advantageously incorporate, in different variants, display signals specific to equinoxes and solstices, and / or zodiacal signs, and / or the associated luck factors for Asian countries.
  • Yet another variant is the display of tidal coefficients according to GMT time zone.
  • the invention also relates to a movement 100 comprising drive means for driving at least one such display mechanism 1.
  • this movement 100 involves certain functions of this display mechanism, such as a drive mechanism. day / night 47 or / and a GMT mechanism 46, or similar, for driving at least one mobile 5, 50, representative of a star or / and a globe 51 semi-transparent covering such a mobile 5 , 50.
  • the invention also relates to an astronomical timepiece, in particular an astronomical watch, comprising at least one such movement 100 and / or at least one such mechanism 1.

Description

Domaine de l'inventionField of the invention

L'invention concerne un mécanisme d'affichage du jour et de la phase d'au moins un premier astre par rapport à un deuxième astre. L'invention concerne encore un mouvement comportant des moyens d'entraînement pour l'entraînement d'au moins un tel mécanisme d'affichage.The invention relates to a mechanism for displaying the day and the phase of at least one first star relative to a second star. The invention also relates to a movement comprising drive means for driving at least one such display mechanism.

L'invention concerne encore une montre astronomique, comportant au moins un tel mouvement, ou/et au moins un tel mécanisme.The invention also relates to an astronomical watch, comprising at least one such movement, and / or at least one such mechanism.

L'invention concerne le domaine de l'horlogerie mécanique, et en particulier des complications pour l'affichage de l'état de certains astres.The invention relates to the field of mechanical watchmaking, and in particular complications for the display of the state of certain bodies.

Arrière-plan de l'inventionBackground of the invention

Les montres astronomiques font partie des montres à complications appréciées par les utilisateurs. Leur précision est souvent approximative en ce qui concerne l'affichage des cycles de certains astres, en particulier les cycles lunaires, souvent en raison du faible volume disponible dans le mouvement, qui ne permet pas en général de loger le grand nombre de roues qui serait nécessaire pour assurer une approximation précise des durées de jour et mois lunaires.Astronomical watches are among the timepieces with complications appreciated by users. Their accuracy is often approximate as regards the display of the cycles of certain celestial bodies, in particular the lunar cycles, often because of the small volume available in the movement, which generally does not allow to accommodate the large number of wheels that would be necessary to ensure a precise approximation of the durations of day and lunar months.

De plus, la visualisation des phases des astres est souvent malcommode. L'indication du jour astral est délaissée par la plupart des affichages horlogers.Moreover, the visualization of the phases of the stars is often inconvenient. The indication of the astral day is neglected by most watch displays.

Le document WO 91/11756 A1 RICHARD décrit un affichage de lune avec un premier plateau circulaire maintenu en rotation par un mécanisme d'entraînement de la montre, avec une sphère figurant la lune, déplaçables avec ce support circulaire le long d'une fenêtre aménagée dans le cadran de la montre. Le mécanisme d'entraînement comporte des moyens d'entraînement en rotation du support circulaire par rapport à la fenêtre, avec une vitesse correspondant à la vitesse du déplacement apparent de la lune dans le ciel entre son lever et son coucher. Le mécanisme entraîne en rotation un second plateau à une vitesse peu différente de celle du premier plateau, le second plateau entraîne un pignon qui fait tourner la sphère tourne autour d'un axe parallèle au cadran de la montre.The document WO 91/11756 A1 RICHARD describes a moon display with a first circular plate held in rotation by a drive mechanism of the watch, with a sphere in the moon, movable with this circular support along a window arranged in the dial of the watch. The drive mechanism comprises means for rotating the circular support relative to the window, with a speed corresponding to the speed of the apparent movement of the moon in the sky between its rising and setting. The mechanism rotates a second plate at a speed slightly different from that of the first plate, the second plate drives a pinion that rotates the sphere rotates about an axis parallel to the dial of the watch.

L'article technique du Jahrbuch der deutschen Gesellschaft für Chronometrie, au nom de GLASER « Astronomische Indikationen bei Uhren », publié le 01.01.1989, vol. 40, pages 139-161, XP000102620, ISSN 0373-7616 , décrit une représentation des phases de lune au moyen d'une sphère rotative ou de disques rotatifs. Un entraînement à différentiel entraîne aux vitesses convenables, d'une part la sphère en rotation sur son axe, et d'autre part cet axe en rotation par rapport au cadran.The technical article of the Jahrbuch der deutschen Gesellschaft für Chronometrie, on behalf of GLASER "Astronomische Indikationen bei Uhren", published on 01.01.1989, vol. 40, pages 139-161, XP000102620, ISSN 0373-7616 , describes a representation of the moon phases by means of a rotating sphere or rotating disks. A differential drive drives at suitable speeds, on the one hand the sphere rotating on its axis, and on the other hand this axis in rotation relative to the dial.

Le document US 3 766 727 A au nom de DIDIK décrit une horloge planétaire avec un rouage complexe entraînant les planètes du système solaire représentées par des sphères, avec la lune pivotant autour de la terre montée sur un axe incliné, et un entraînement de l'axe d'inclinaison de la terre, de la terre autour de cet axe, et de la lune autour de la terre, qui est effectué par autant de courroies en prise avec des chaussées axiales du mouvement.The document US 3,766,727 A in the name of DIDIK describes a planetary clock with a complex gear train driving the planets of the solar system represented by spheres, with the moon pivoting around the earth mounted on an inclined axis, and driving the axis of inclination of the earth , the earth around this axis, and the moon around the earth, which is made by so many straps in mesh with the axial roads of the movement.

Le document FR 12 679 052 A1 au nom de GHIRIMOLDI décrit un mécanisme d'horlogerie de type planétarium avec une représentation volumique.The document FR 12 679 052 A1 in the name of GHIRIMOLDI describes a planetarium clock mechanism with a volume representation.

Le document FR 348 040 A au nom de BURKE décrit une horloge astronomique avec motorisation de certains astres en rotation par rapport à d'autres.The document FR 348 040 A in the name of BURKE describes an astronomical clock with motorization of some stars in rotation compared to others.

Résumé de l'inventionSummary of the invention

L'invention se propose d'intégrer à une montre une indication visuelle du jour d'un astre, en particulier du jour lunaire, en simultané avec l'affichage de la phase de cet astre.The invention proposes to integrate in a watch a visual indication of the day of a star, in particular of the lunar day, simultaneously with the display of the phase of this star.

L'invention s'attache à garantir, à la fois une haute précision quant au respect des périodes astrales, et une très bonne visibilité par un affichage tridimensionnel, attrayant pour l'utilisateur.The invention seeks to guarantee, at the same time, a high precision as to the respect of the astral periods, and a very good visibility by a three-dimensional display, attractive for the user.

A cet effet, l'invention concerne un mécanisme tel que défini dans la revendication indépendante 1. Des variantes préférées sont définies dans les revendications dépendantes.To this end, the invention relates to a mechanism as defined in independent claim 1. Preferred variants are defined in the dependent claims.

Description sommaire des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui va suivre, en référence aux dessins annexés, où :

  • les figures 1 à 6 représentent, de façon schématisée, une partie du mécanisme d'affichage de jour et de phase d'astre selon l'invention :
    • figure 1 en perspective, mécanisme seul ;
    • figure 2 en vue de face, mécanisme seul ;
    • figure 3 vue de dessous, mécanisme seul ;
    • figures 4 et 5 vue de côté, respectivement de droite et de gauche ;
    • la figure 6 vue de face, mécanisme derrière un écran, dans sa position visible par l'utilisateur ;
    • la figure 7 représente, de façon schématisée et en perspective, similaire à la figure 1, une deuxième variante d'une partie du mécanisme selon l'invention, représentée avec l'écran de la figure 6 ;
    • la figure 8 représente, de façon schématisée, partielle, et en vue de face, une montre astronomique comportant un affichage tridimensionnel de lune cette montre étant réalisable en utilisant les mécanismes des figures 1 à 7 ;
    • la figure 9 représente la montre de la figure 8 en vue de droite ;
    • la figure 10 représente, en vue de face, une variante de l'invention avec la représentation simultanée de la Terre et de la Lune toutes deux mobiles dans le plan ;
    • les figures 11 à 13 représentent, en vue en coupe, des variantes particulières de représentation d'astres sous forme d'une sphère coiffée par un globe comportant un hémisphère transparent et l'autre assombri, et différents réglages possibles.
Other features and advantages of the invention will appear on reading the detailed description which follows, with reference to the appended drawings, in which:
  • the Figures 1 to 6 represent, schematically, a part of the daytime display mechanism and star phase according to the invention:
    • figure 1 in perspective, mechanism alone;
    • figure 2 in front view, mechanism alone;
    • figure 3 bottom view, mechanism alone;
    • Figures 4 and 5 side view, right and left respectively;
    • the figure 6 front view, mechanism behind a screen, in its position visible by the user;
    • the figure 7 represents, schematically and in perspective, similar to the figure 1 , a second variant of a part of the mechanism according to the invention, represented with the screen of the figure 6 ;
    • the figure 8 represents, schematically, partially, and in front view, an astronomical watch having a three-dimensional display of moon this watch being feasible using the mechanisms of Figures 1 to 7 ;
    • the figure 9 represents the watch of the figure 8 in right view;
    • the figure 10 represents, in front view, a variant of the invention with the simultaneous representation of the Earth and the Moon both moving in the plane;
    • the Figures 11 to 13 represent, in sectional view, particular variants of representation of stars in the form of a sphere capped by a globe having a transparent hemisphere and the other darkened, and various possible settings.

Description détaillée des modes de réalisation préférésDetailed Description of the Preferred Embodiments

L'invention concerne une pièce d'horlogerie astronomique, notamment une montre astronomique, et plus particulièrement un mécanisme d'affichage pour visualiser l'état d'au moins un premier astre, qu'il s'agisse d'une Terre, d'une lune, ou autre, par rapport à un autre astre.The invention relates to an astronomical timepiece, in particular an astronomical watch, and more particularly to a display mechanism for visualizing the state of at least one first star, whether it be an Earth, a a moon, or other, compared to another star.

L'invention concerne plus particulièrement l'affichage tridimensionnel du jour et de la phase d'un astre, cet astre étant vu depuis un autre astre.The invention relates more particularly to the three-dimensional display of the day and the phase of a star, this star being seen from another star.

Selon l'ouvrage « Cosmographie » de Maillard et Millet, édité en 1953 par la Librairie Hachette, page 90, on appelle « phases de la lune » les aspects successifs pris par la lune éclairée par le Soleil, et vue de la Terre ».According to the book "Cosmography" of Maillard and Millet, published in 1953 by the Hachette Bookstore, page 90, we call "phases of the moon" the successive aspects taken by the moon illuminated by the Sun, and seen from the Earth ".

L'invention concerne un mécanisme d'affichage 1 du jour et de la phase d'au moins un premier astre, comportant un rouage 2 pour une prise d'entraînement de fréquence constante sur une sortie d'un mouvement 100 d'horlogerie.The invention relates to a display mechanism 1 of the day and the phase of at least a first star, comprising a gear 2 for a constant frequency drive socket on an output of a watch movement 100.

Par jour d'un astre on entend ici la période pendant laquelle il pivote sur lui-même pour revenir dans la même position apparente par rapport à un observateur Terrestre fixe.By day of a star is meant here the period during which it pivots on itself to return in the same apparent position compared to a fixed terrestrial observer.

Par mois d'un astre on entend une révolution synodique, c'est-à-dire la valeur moyenne de l'intervalle de temps qui sépare deux conjonctions consécutives de cet astre et du soleil, moments où cet astre et le soleil ont la même longitude céleste, par rapport à un observateur terrestre fixe.By month of a star is meant a synodic revolution, that is to say the average value of the interval of time which separates two consecutive conjunctions of this star and the sun, moments where this star and the sun have the same celestial longitude, relative to a fixed terrestrial observer.

Le jour et le mois terrestres sont à prendre dans leur acception usuelle.The terrestrial day and the month are to be taken in their usual sense.

Selon l'ouvrage « Cosmographie » de Maillard et Millet, édité en 1953 par la Librairie Hachette, pages 10, 11, 0 et 71, le jour solaire vrai est d'environ 24 heures, un peu plus long de 3mn 36 secondes à 4 minutes 26 secondes que le jour sidéral de 23 heures et 56 minutes, qui est la durée de rotation de la sphère céleste, c'est-à-dire la durée qui sépare deux passages successifs d'un point y choisi sur l'équateur au méridien du lieu..According to the book "Cosmography" by Maillard et Millet, published in 1953 by the Hachette Bookstore, pages 10, 11, 0 and 71, the true solar day is about 24 hours, a little longer than 3 minutes 36 seconds. minutes 26 seconds as the sidereal day of 23 hours and 56 minutes, which is the duration of rotation of the celestial sphere, that is to say the duration that separates two successive passages of a point y selected on the equator at meridian of the place ..

Par convention on qualifie ici de « premier » un élément de mécanisme relatif à un affichage propre au premier astre, par « deuxième » un élément relatif à un deuxième astre, et ainsi de suite.By convention we call here "first" a mechanism element relating to a display specific to the first star, "second" an element relative to a second star, and so on.

Selon l'invention, ce mécanisme d'affichage 1 comporte des moyens d'affichage tridimensionnel 3 du jour et de la phase du premier astre représenté par un premier mobile 5, qui sont entraînés par le rouage 2. Comme illustrée par les figures, ces moyens d'affichage tridimensionnel 3 comportent un premier arbre de phase 4, entraîné directement ou indirectement en pivotement par le rouage 2.According to the invention, this display mechanism 1 comprises three-dimensional display means 3 of the day and the phase of the first star represented by a first mobile 5, which are driven by the gear 2. As illustrated by the figures, these three-dimensional display means 3 comprise a first phase shaft 4, driven directly or indirectly pivotally by the gear 2.

Ce premier arbre de phase 4 est porteur d'un premier mobile 5, notamment une première sphère 5, de simulation du premier astre, et qui effectue une rotation dont la période a la durée d'un mois de ce premier astre.This first phase tree 4 carries a first mobile 5, including a first sphere 5, simulation of the first star, and which performs a rotation whose period has the duration of one month of the first star.

On appellera ci-après « sphère » un mobile représentatif d'un astre, 5 ou 50, quelle que soit la forme réelle de ce mobile.Hereinafter called "sphere" a mobile representative of a star, 5 or 50, regardless of the actual form of this mobile.

Le mécanisme 1 comporte un premier arbre de jour 6, entraîné directement ou indirectement en pivotement par le rouage 2. Le premier mobile 5 ou sphère 5 effectue une révolution autour de ce premier arbre de jour 6, sur une orbite dont la période a la durée d'un jour du premier astre.The mechanism 1 comprises a first day tree 6, driven directly or indirectly pivotally by the gear 2. The first mobile 5 or sphere 5 performs a revolution around the first day tree 6, in an orbit whose period has the duration of a day of the first star.

Le rouage 2 comporte avantageusement un rouage de phase 10 et un rouage de jour 20, chacun en prise sur une sortie du même mouvement 100, par exemple sur la chaussée ou sur une roue de vingt-quatre heures. Le rouage de phase 10 et le rouage de jour 20 peuvent être entraînés par des sorties différentes du même mouvement, ou encore l'un par l'autre ou réciproquement.The wheel 2 advantageously comprises a phase gear 10 and a day train 20, each engaged with an output of the same movement 100, by example on the roadway or on a wheel of twenty-four hours. The phase wheel 10 and the day train 20 may be driven by different outputs of the same movement, or alternatively by each other or vice versa.

Les figures 1 à 6 illustrent une première variante d'un mécanisme 1 où le premier arbre de jour 6 est entraîné en pivotement par un rouage de jour 20, directement ou indirectement, depuis une sortie du mouvement 100. Le premier arbre de phase 4, pivotant autour d'un axe D4, est entraîné en pivotement par un rouage de phase 10, directement ou indirectement depuis une sortie du mouvement 100.The Figures 1 to 6 illustrate a first variant of a mechanism 1 where the first day tree 6 is pivoted by a day train 20, directly or indirectly, from an output of the movement 100. The first phase shaft 4, pivoting about a D4 axis, is pivotally driven by a phase wheel 10, directly or indirectly from an output of the movement 100.

De façon avantageuse, le rouage de phase 10, ou/et le rouage de jour 20, comporte au moins un moyen de débrayage entre son entrée et sa sortie. De préférence le rouage de phase 10 et le rouage de jour 20 comportent chacun au moins un moyen de débrayage entre son entrée et sa sortie.Advantageously, the phase wheel 10 or / and the day train 20 comprises at least one disengagement means between its input and its output. Preferably the phase gear 10 and the day train 20 each comprise at least one disengagement means between its input and its output.

Dans la réalisation particulière préférée, le premier arbre de phase 4 est porté par le premier arbre de jour 6, ou par un mobile de phase 7 entraîné par ce premier arbre de jour 6.In the particular preferred embodiment, the first phase tree 4 is carried by the first day tree 6, or by a mobile phase 7 driven by this first day tree 6.

Le rouage de jour 20 comporte une roue d'entrée 21, en prise avec une roue de vingt-quatre heures du mouvement, ou avec une roue intermédiaire lui donnant un pivotement en vingt-quatre heures, et correspond à la durée du jour Terrestre. Elle engrène si nécessaire avec une roue de renvoi 22, qui attaque une roue de jour du premier astre 23, ou bien elle engrène directement avec cette roue de jour de premier astre 23, selon la démultiplication recherchée, cette roue 23 pivotant complètement en un jour du premier astre. La roue 23 de jour du premier astre est montée coaxiale en pivotement, autour d'un axe de pivotement D6, avec une roue à dents de loup mâle 24. Les roues 23 et 24 sont reliées l'une à l'autre par un sautoir 25, une action sur la denture de loup 24 peut débrayer ce mécanisme et modifier leur position angulaire relative. Les moyens de débrayage du rouage de jour 20 comportent ainsi ce sautoir 25 disposé entre, d'une part une roue de jour 23 cinématiquement liée au rouage d'entrée depuis le mouvement 100, et d'autre part une roue à dents de loup mâle 24, agencée pour être entraînée par le rouage de phase 10, et laquelle entraîne le premier mobile 5 en pivotement.The day train 20 comprises an input wheel 21, engaged with a wheel twenty-four hours of movement, or with an intermediate wheel giving a pivot in twenty-four hours, and corresponds to the duration of the day Terrestre. It meshes if necessary with a deflection wheel 22, which attacks a day wheel of the first star 23, or it meshes directly with the star of the day starwheel 23, according to the desired gear ratio, this wheel 23 pivoting completely in one day of the first star. The daylighting wheel 23 of the first star is mounted coaxially pivotally around a pivot axis D6 with a male worm gear wheel 24. The wheels 23 and 24 are connected to each other by a jumper 25, an action on the wolf teeth 24 can disengage this mechanism and change their relative angular position. The disengaging means of the day train 20 thus comprise this jumper 25 disposed between, on the one hand, a day wheel 23 kinematically connected to the input wheel from the movement 100, and on the other hand a male wolf wheel. 24, arranged to be driven by the phase gear 10, and which drives the first mobile 5 pivoting.

La roue 24 porte le premier arbre de jour 6, qui comporte un pignon frontal 26.The wheel 24 carries the first day tree 6, which comprises a front gear 26.

Ce pignon frontal 26 engrène avec une roue 27 solidaire du premier arbre de phase 4.This front gear 26 meshes with a wheel 27 integral with the first phase shaft 4.

Le rouage de phase 10 comporte un pignon d'entrée 11, en prise avec la chaussée du mouvement, ou avec une roue intermédiaire lui donnant un pivotement en une heure. Le pignon 11 engrène si nécessaire avec une roue de renvoi 12, qui attaque une roue intermédiaire 13 qui effectue une révolution en une période donnée, ou bien engrène directement avec cette roue 13 tel qu'illustré sur la figure 1, selon la démultiplication recherchée.The phase wheel 10 comprises an input pinion 11, engaged with the roadway of the movement, or with an intermediate wheel giving it a pivot in one hour. Pinion 11 meshes if necessary with a return wheel 12, which drives an intermediate wheel 13 which performs a revolution in a given period of time, or meshes directly with the wheel 13 as illustrated in FIG. figure 1 , depending on the desired gear ratio.

Cette roue intermédiaire 13 comporte une denture interne en dents de loup 14.This intermediate wheel 13 has an internal teeth in wolf teeth 14.

Un limaçon 15 pivote coaxialement avec la roue intermédiaire 13 autour d'un axe D1, son pourtour 15A constitue une came 16 comportant une pente 16A délimitant un bec 16B, et d'un cliquet 17 à une dent, qui pivote sur un pivot 17A et qui coopère avec la denture interne 14, tel que visible sur la figure 2.A snail 15 pivots coaxially with the intermediate wheel 13 about an axis D1, its periphery 15A constitutes a cam 16 having a slope 16A delimiting a spout 16B, and a ratchet 17 with a tooth, which pivots on a pivot 17A and which cooperates with the internal toothing 14, as visible on the figure 2 .

Le pourtour 15A du limaçon 15 est parcouru par un galet 18, notamment un rubis, qui est porté par une bascule 19, montée pivotante autour d'un axe D9 par rapport à la platine du mouvement 100, et dont un premier bras 19A porteur du galet 18 est rappelé vers le limaçon 15 par un ressort non représenté sur les figures.The periphery 15A of the snail 15 is traversed by a roller 18, in particular a ruby, which is carried by a rocker 19, pivotally mounted about an axis D9 relative to the plate of the movement 100, and a first arm 19A carrying the roller 18 is returned to the snail 15 by a spring not shown in the figures.

Lorsque, une fois par tour de la roue intermédiaire 13, le galet 18 passe du point haut du limaçon 16 au point bas, en franchissant le bec 16B et la pente 16A, il dégage le cliquet 7, dont la pointe reprend ensuite le creux de dent suivant de la denture femelle 14.When, once per turn of the intermediate wheel 13, the roller 18 passes from the high point of the snail 16 to the low point, crossing the spout 16B and the slope 16A, it releases the pawl 7, whose tip then resumes the trough of next tooth of the female teeth 14.

Ainsi, les moyens de débrayage du rouage de phase 10 comportent, d'une part une came 16 agencée sur le pourtour 15A d'un limaçon 15 agencé pour être entraîné par roue intermédiaire 13 cinématiquement liée au rouage d'entrée depuis le mouvement 100, et d'autre part le premier bras 19A d'une bascule 19, ce premier bras 19A rappelé par des moyens de rappel élastique vers cette came 16, et dont le saut au niveau d'une pente 16A de la came commande le pivotement de la bascule 19 et le mouvement d'un deuxième bras 19B qu'elle comporte, et qui porte un cliquet 19C, agencé pour coopérer avec la roue à dents de loup 24 du rouage de jour 20 et le faire avancer d'une position lors de ce saut.Thus, the means for disengaging the phase gear train 10 comprise, on the one hand, a cam 16 arranged on the periphery 15A of a snub 15 arranged to be driven by an intermediate wheel 13 kinematically connected to the input wheel from the movement 100, and on the other hand the first arm 19A of a rocker 19, this first arm 19A recalled by elastic return means to this cam 16, and whose jump at a slope 16A of the cam controls the pivoting of the rocker 19 and the movement of a second arm 19B that it comprises, and which carries a pawl 19C, arranged to cooperate with the wolf teeth wheel 24 of the day train 20 and advance it by one position during this jump.

Dans cette première variante le limaçon 15 n'est pas entraîné en permanence par la roue intermédiaire 13, laquelle porte une denture à dents de loup femelle 14, le limaçon 15 portant quant à lui un cliquet 17 agencé pour le solidariser en pivotement avec la roue intermédiaire 13, et dont le saut du premier bras 19A de la bascule 19 au niveau d'une pente 16A de la came 16 commande le dégagement de ce cliquet 17 par rapport à cette denture à dents de loup femelle 14 avant son réengagement en position de dent voisine.In this first variant the snail 15 is not permanently driven by the intermediate wheel 13, which carries a toothing with teeth of female wolf 14, the snail 15 carrying meanwhile a pawl 17 arranged to fasten it pivotally with the intermediate wheel 13, and whose jump of the first arm 19A of the rocker 19 at a slope 16A of the cam 16 control the release of this pawl 17 with respect to this female wolf teeth teeth 14 before its reengagement in the neighboring tooth position.

Ce débrayage conjugué avec un recul permet de découpler le rouage de phase, et d'adapter à volonté la période résultante en sortie du rouage de phase.This declutching combined with a recoil decouples the gear train, and adapt at will the resulting period output of the live train.

Ce pas de la dent de loup de la denture 14 correspond à une certaine durée élémentaire, selon son nombre de dents. La durée jusqu'au saut du tour suivant est alors égale à la différence entre la durée de la période de la roue 13 d'une part, et cette durée élémentaire d'autre part.This pitch of the wolf tooth of the toothing 14 corresponds to a certain elementary duration, according to its number of teeth. The duration until the jump of the next turn is then equal to the difference between the duration of the period of the wheel 13 on the one hand, and this elementary duration on the other hand.

Lors de ce saut, la chute du premier bras 19A de la bascule 19 fait pivoter celle-ci ; son deuxième bras 19B est muni d'un cliquet 19C, qui coopère avec la roue à dents de loup 24 du rouage de jour 20.During this jump, the fall of the first arm 19A of the rocker 19 rotates it; its second arm 19B is provided with a pawl 19C, which cooperates with the wolf wheel 24 of the day train 20.

La description qui suit concerne plus particulièrement une première application préférée de cette première variante des figures 1 à 6 à l'affichage du jour et de la phase lunaires.The description which follows relates more particularly to a first preferred application of this first variant of Figures 1 to 6 at the lunar day and phase display.

Le mouvement 100 entraîne directement ou indirectement, notamment par la chaussée, une roue d'entrée 21 et un pignon 11, qui sont coaxiaux dans le cas des figures, mais qui peuvent tout aussi bien avoir un autre agencement, celui-ci étant plus favorable en termes d'occupation d'espace.The movement 100 leads directly or indirectly, particularly by the roadway, an input wheel 21 and a pinion 11, which are coaxial in the case of the figures, but which may equally well have another arrangement, the latter being more favorable in terms of space occupation.

La roue d'entrée 21 comporte 57 dents et effectue un tour en vingt-quatre heures. Le pignon 11 comporte douze dents.The input wheel 21 has 57 teeth and performs one revolution in twenty-four hours. Pinion 11 has twelve teeth.

Pour la détermination du mois lunaire, une première partie du rouage constituée par le rouage de jour 20 comporte deux roues.For the determination of the lunar month, a first part of the train constituted by the day train 20 comprises two wheels.

La roue d'entrée 21 engrène avec une roue de renvoi 22, également de 57 dents, qui effectue un tour en vingt-quatre heures.The input wheel 21 meshes with a return wheel 22, also of 57 teeth, which makes a turn in twenty-four hours.

La roue de renvoi 22 engrène avec une roue de jour lunaire 23 de 59 dents, qui effectue donc un tour en 24 heures 50 minutes 31,58 secondes.The deflection wheel 22 meshes with a lunar day wheel 23 of 59 teeth, which thus performs a revolution in 24 hours 50 minutes 31.58 seconds.

Pour la détermination de la phase lunaire, une deuxième partie du rouage constituée par le rouage de phase 10, est composée d'un nombre très restreint de composants.For the determination of the lunar phase, a second part of the cogwheel formed by the phase wheel 10, is composed of a very limited number of components.

A l'entrée du rouage, le pignon 11 de douze dents engrène avec une roue intermédiaire 13 dite de six heures, de 72 dents, qui effectue un tour en six heures.At the entrance of the gear train, the pinion 11 of twelve teeth meshes with an intermediate wheel 13 called six hours, 72 teeth, which performs a turn in six hours.

Cette roue de six heures 13 comporte une denture interne en dents de loup 14 à 64 dents.This six-hour wheel 13 has an internal toothing of 14 to 64 teeth.

Un limaçon 15 pivote coaxialement avec la roue de six heures 13, il est porteur d'une came 16 comportant une pente 16A, et d'un cliquet 17 à une dent, qui coopère avec la denture interne 14.A snail 15 pivots coaxially with the six-hour wheel 13, it carries a cam 16 having a slope 16A, and a ratchet 17 with a tooth, which cooperates with the internal toothing 14.

Le pourtour 15A du limaçon 15 est parcouru par un galet 18, notamment un rubis, qui est porté par une bascule 19, montée pivotante par rapport à la platine du mouvement, et dont un premier bras 19A porteur du galet 18 est rappelé vers le limaçon 15 par un ressort non représenté sur les figures.The perimeter 15A of the snail 15 is traversed by a roller 18, in particular a ruby, which is carried by a rocker 19, pivotally mounted relative to the platen of the movement, and a first arm 19A carrying the roller 18 is returned to the snail 15 by a spring not shown in the figures.

Lorsque, une fois par tour de la roue de six heures 13, le galet 18 passe du point haut du limaçon 16 au point bas, en franchissant la pente 16A, il dégage le cliquet 17, dont la pointe reprend ensuite le creux de dent suivant de la denture femelle 14.When, once per turn of the six-hour wheel 13, the roller 18 passes from the high point of the snail 16 to the low point, crossing the slope 16A, it releases the pawl 17, the tip of which then resumes the next tooth trough of the female teeth 14.

Le pas de 0,20000 mm de la dent de loup de la denture 14 correspond à une durée élémentaire de 5 minutes et 37,5 secondes. La durée jusqu'au saut du tour suivant est alors de 6 heures moins cette durée élémentaire, soient 5 heures 54 minutes et 22,5 secondes, soient 21262,5 secondes.The pitch of 0.20000 mm of the wolf tooth of the toothing 14 corresponds to an elementary duration of 5 minutes and 37.5 seconds. The duration until the jump of the next turn is 6 hours less this elementary time, 5 hours 54 minutes and 22.5 seconds, 21262.5 seconds.

Avec une dent de loup idéale ayant un pas de 0,1999999 mm la durée élémentaire serait de 5 minutes et 37,98 secondes. La durée jusqu'au saut du tour suivant est alors de 6 heures moins cette durée élémentaire, soient 5 heures 54 minutes et 22,0 secondes, soient 21262,0 secondes.With an ideal wolf tooth having a pitch of 0.1999999 mm the elementary duration would be 5 minutes and 37.98 seconds. The duration until the jump of the next turn is then 6 hours less this elementary duration, ie 5 hours 54 minutes and 22.0 seconds, that is 21262,0 seconds.

Lors de ce saut, la chute du premier bras 19A de la bascule fait pivoter celle-ci ; son deuxième bras 19B est muni d'un cliquet 19C, qui coopère avec une roue à dents de loup 24 à 140 dents.During this jump, the fall of the first arm 19A of the rocker rotates it; its second arm 19B is provided with a pawl 19C, which cooperates with a wolf wheel 24 to 140 teeth.

Cette roue à dents de loup 24 est solidaire en pivotement, autour d'un axe de pivotement D6, par l'intermédiaire d'un sautoir 25, d'un arbre de jour 6, porteur d'un pignon frontal 26 de douze dents. Ce pignon frontal 26 engrène avec une roue d'arbre 27, de quatorze dents, solidaire d'un arbre de phase 4, qui pivote selon un axe de pivotement D4 perpendiculaire à l'axe de pivotement D6. De ce fait, le mouvement d'une dent de la roue à dents de loup 24 se traduit par un pivotement de : 360°/ 140 x 14 /12= 3° au niveau de l'arbre de phase 4.This wolf wheel 24 is pivotally secured around a pivot axis D6, via a jumper 25, a day tree 6, carrying a front gear 26 of twelve teeth. This front gear 26 meshes with a shaft wheel 27, of fourteen teeth, integral with a phase shaft 4, which pivots about a pivot axis D4 perpendicular to the pivot axis D6. As a result, the movement of a tooth of the woofer wheel 24 results in a pivoting of: 360 ° / 140 × 14/12 = 3 ° at the phase shaft 4.

Une rotation complète de l'arbre 4, correspondant donc à un mois lunaire, est effectuée en 360/3=120 fois la durée entre deux sauts sur la came 16 : 120 x 21262,0 = 2551440 secondes, soient 29,5305833 jours Terrestres.A complete rotation of the shaft 4, thus corresponding to a lunar month, is performed 360/3 = 120 times the duration between two jumps on the cam 16: 120 x 21262,0 = 2551440 seconds, or 29,5305833 Earth days .

La précision dépend bien sûr de la précision de la dent de loup de la denture 14.The accuracy depends of course on the precision of the wolf tooth of the toothing 14.

Cette valeur constitue une très bonne approximation du mois lunaire. En effet, la durée du mois lunaire est fortement variable, d'un mois à l'autre dans une année, et selon les années, avec des valeurs variant couramment de une ou deux heures par mois sur des mois consécutifs, et pouvant varier jusqu'à six heures par mois. La valeur usuelle et arbitraire du mois synodique lunaire de 29,530589 jours est une moyenne, qui est entachée d'une plage d'incertitude assez forte, de l'ordre de 1%. De ce fait, la valeur établie selon l'invention est excellente.This value is a very good approximation of the lunar month. Indeed, the duration of the lunar month is highly variable, from one month to the next in a year, and according to the year, with values commonly varying from one or two hours per month over consecutive months, and which can vary up to at six hours a month. The usual and arbitrary value of the lunar synodic month of 29,530,589 days is an average, which is tainted with a rather strong range of uncertainty, of the order of 1%. As a result, the value established according to the invention is excellent.

De façon préférée, le mécanisme de cet astre est de type mystérieux, et à cet effet le premier arbre de phase 4 est en saphir, ou dans un matériau de caractéristiques similaires. Un tel arbre en saphir d'un diamètre de 1 mm, conjugué à une sphère d'astre 5 en titane ou dans un alliage de densité inférieure ou égale, d'un diamètre de 5 mm, résiste facilement à des accélérations de 5000 g.Preferably, the mechanism of this star is of mysterious type, and for this purpose the first phase shaft 4 is sapphire, or in a material of similar characteristics. Such a sapphire tree with a diameter of 1 mm, conjugated to a star sphere 5 made of titanium or in an alloy of lower or equal density, with a diameter of 5 mm, easily withstands accelerations of 5000 g.

La sphère d'astre 5, ici une lune dans cette application, porte des visualisations différentes 5A, 5B, sur ses deux hémisphères.The star sphere 5, here a moon in this application, carries different visualizations 5A, 5B, on its two hemispheres.

Comme le montre la figure 6, le premier arbre de jour 6 pivote autour de son axe D6, et emporte dans son pivotement l'arbre 4 porteur de la sphère d'astre 5. Cet arbre 4 effectue ainsi un mouvement tournant autour de l'axe D6, pendant lequel la sphère d'astre 5 pivote autour de l'axe D4. La trajectoire de la sphère 5 s'effectue partiellement derrière un écran 8 assombri, en verre fumé ou similaire, définissant une ligne d'horizon 9 au niveau de l'axe de pivotement D6 du premier arbre de jour 6. Le passage du premier mobile 5 derrière la partie ombragée de l'écran 8 simule la position de l'astre derrière la Terre, invisible pour l'utilisateur à l'instant considéré, mais tout en laissant l'état de la phase de cet astre visible pour l'utilisateur, ce qui explique que l'écran 8 soit assombri et non opaque.As shown in figure 6 , the first day tree 6 pivots about its axis D6, and carries in its pivoting the shaft 4 carrying the star sphere 5. This shaft 4 thus makes a rotary movement about the axis D6, during which the star sphere 5 pivots around the axis D4. The trajectory of the sphere 5 is carried out partially behind a darkened screen 8, smoked glass or the like, defining a horizon line 9 at the pivot axis D6 of the first day tree 6. The passage of the first mobile Behind the shaded part of screen 8 simulates the position of the star behind the Earth, invisible to the user at the moment considered, but while leaving the state of the phase of this body visible to the user , which explains that the screen 8 is darkened and not opaque.

La figure 7 illustre une deuxième variante de l'invention, qui comporte le même rouage de jour 20 que dans la première variante. Le rouage de phase 10 est simplifié, la denture de loup femelle 14 est supprimée. Les moyens de débrayage du rouage de phase 10 sont les mêmes que dans la première variante, par contre le limaçon 15 est solidaire en pivotement de la roue intermédiaire 13.The figure 7 illustrates a second variant of the invention, which includes the same day wheel 20 as in the first variant. The phase gear 10 is simplified, the teeth of female wolf 14 is removed. The disengagement means of the phase gear 10 are the same as in the first variant, against the snail 15 is pivotally secured to the intermediate wheel 13.

Le pignon d'entrée 11 est toujours en prise avec la chaussée du mouvement, ou avec une roue intermédiaire lui donnant un pivotement en une heure. Le pignon 11 de 12 dents engrène avec une roue de renvoi 12 de 72 dents. Cette roue de renvoi 12 est couplée en rotation avec une roue de phase 12A de 64 dents, qui attaque la roue intermédiaire 13 de 63 dents.The input pinion 11 is always engaged with the roadway of the movement, or with an intermediate wheel giving it a pivot in one direction. hour. The pinion 11 of 12 teeth meshes with a return wheel 12 of 72 teeth. This deflection wheel 12 is rotatably coupled with a 64-tooth phase wheel 12A, which drives the intermediate wheel 13 with 63 teeth.

Le limaçon 15 pivote coaxialement avec la roue intermédiaire 13 autour de l'axe D1, son pourtour 15A constitue une came 16 similaire à la première variante des figures 1 à 6.The snail 15 pivots coaxially with the intermediate wheel 13 about the axis D1, its periphery 15A constitutes a cam 16 similar to the first variant of the Figures 1 to 6 .

Lorsque, une fois par tour de la roue intermédiaire 13, le galet 18 passe du point haut du limaçon 16 au point bas, en franchissant le bec 16B et la pente 16A, il commande le pivotement de la bascule 19, et l'action du cliquet 19C sur la roue à dents de loup 24 du rouage de jour 20.When, once per turn of the intermediate wheel 13, the roller 18 passes from the high point of the snail 16 to the low point, crossing the spout 16B and the slope 16A, it controls the pivoting of the rocker 19, and the action of the ratchet 19C on the wagon wheel wheel 24 of the day train 20.

Cette deuxième variante est plus économique à produire que la première variante, en raison du moindre nombre de composants et de l'assemblage simplifié. La combinaison des dentures aboutit toutefois à une erreur de seulement 57 secondes par mois lunaire, ce qui est inférieur aux mécanismes connus.This second variant is more economical to produce than the first variant, because of the smaller number of components and the simplified assembly. The combination of teeth, however, results in an error of only 57 seconds per lunar month, which is lower than the known mechanisms.

L'invention se prête bien à la visualisation de l'état de différents astres, notamment en combinaison les uns avec les autres. Selon l'invention, le premier arbre de jour 6 est embarqué sur un mobile de jour 41 qui effectue une trajectoire circulaire ou elliptique autour d'un axe central D0. L'obtention d'une trajectoire elliptique peut être obtenue par un montage à coulissement du mobile 41 sur un arbre, avec un rappel par ressort ou similaire contre une came elliptique. Le mobile de jour 41 peut aussi coopérer, par une denture externe 43 à laquelle il est associé, et qui est avantageusement réalisée transparente en saphir ou similaire, et qui roule à l'intérieur d'une denture interne 44 circulaire ou elliptique selon la trajectoire que l'on désire afficher, tel que visible sur la figure 10.The invention lends itself well to the visualization of the state of different bodies, especially in combination with each other. According to the invention, the first day tree 6 is embedded on a day mobile 41 which performs a circular or elliptical trajectory around a central axis D0. Obtaining an elliptical trajectory can be obtained by a sliding assembly of the mobile 41 on a shaft, with a spring return or the like against an elliptical cam. The day mobile 41 can also cooperate, by an external toothing 43 to which it is associated, and which is advantageously made transparent sapphire or the like, and which rolls inside an internal toothing 44 circular or elliptical according to the trajectory which one wishes to display, as visible on the figure 10 .

Dans une complication de la variante précédente, le mobile de jour 41 porte au moins une deuxième sphère 50 de simulation d'un deuxième astre dont la position angulaire est réglable par des moyens de réglage manuels 45 ou par un rouage de réglage de fuseau GMT 46 que comporte le mouvement 100.In a complication of the preceding variant, the day mobile 41 carries at least a second sphere 50 for simulating a second star whose angular position is adjustable by manual adjustment means 45 or by a spindle adjustment wheel GMT 46 that involves the movement 100.

Par exemple, la figure 10 illustre le mouvement relatif de la lune et de la Terre, et l'orbite annuelle de la Terre sous une forme simplifiée circulaire autour de l'axe D0.For example, the figure 10 illustrates the relative motion of the moon and the Earth, and the annual orbit of the Earth in a simplified circular form around the axis D0.

Dans une variante particulière, la deuxième sphère 50 du deuxième astre, ici la Terre, alors que la sphère 5 illustre la lune, est entourée par une troisième sphère 51 dont un hémisphère est transparent, et qui effectue, entraînée par un mobile 47 d'entraînement jour/nuit, une révolution dont la période a la durée d'un jour du deuxième astre. Tandis que le mobile de jour 41, entraîné directement ou indirectement en pivotement par le rouage 2, effectue une révolution excentrique dont la période est sous-multiple ou multiple du jour du deuxième astre, ou dont la période a la durée d'un an du deuxième astre.In a particular variant, the second sphere 50 of the second star, here the Earth, while the sphere 5 illustrates the moon, is surrounded by a third sphere 51 of which one hemisphere is transparent, and which carries, driven by a mobile 47 of training day / night, a revolution whose period has the duration of a day of the second star. While the day mobile 41, driven directly or indirectly pivotally by the gear 2, performs an eccentric revolution whose period is sub-multiple or multiple of the day of the second star, or whose period has a duration of one year. second star.

De préférence, le mécanisme 1 selon l'invention affiche le jour et la phase lunaire du premier astre qui est la lune.Preferably, the mechanism 1 according to the invention displays the day and the lunar phase of the first star which is the moon.

Dans une variante, le deuxième astre est la Terre, et le mécanisme 1 affiche, d'une part la progression jour-nuit en un méridien de la Terre, et, d'autre part, l'heure locale du méridien ou bien la position annuelle de la Terre sur son orbite autour du soleil.In a variant, the second star is the Earth, and the mechanism 1 displays, on the one hand, the day-night progression in a meridian of the Earth, and, on the other hand, the local time of the meridian or the position annual Earth in its orbit around the sun.

Dans une variante particulière de l'invention, la sphère 5 représentative du premier astre est enfermée dans une coupole sphérique 51 transparente sur un hémisphère et assombri sur l'autre, constituant ainsi un globe avec une partie jour et une partie nuit. Ce globe est entraîné en pivotement. La position de l'astre dans le globe peut être réglée, soit par un mécanisme GMT selon la figure 13, soit manuellement, par une tige de commande 45, sur laquelle le renvoi pour l'entraînement GMT est monté à friction. Les figures 11 à 13 représentent un type de montage avantageux, dans lequel un mobile représentatif d'un astre 5 ou 50 est monté pivotant dans un manchon cylindrique 70 d'axe A, susceptible d'être entraîné en rotation autour de cet axe. Ce manchon 70 peut être en deux parties pour faciliter l'assemblage. De la même façon, la partie sphérique représentative de l'astre 5 ou 50 est représentée enfermée dans un globe creux en deux parties, dont deux hémisphères peuvent être différenciés en jour/nuit selon un plan parallèle à l'axe A ou perpendiculaire à cet axe A.In a particular variant of the invention, the sphere 5 representative of the first star is enclosed in a transparent spherical dome 51 on one hemisphere and darkened on the other, thus constituting a globe with a day portion and a night portion. This globe is rotated. The position of the star in the globe can be regulated, either by a GMT mechanism according to the figure 13 or manually, by a control rod 45, on which the return for the GMT drive is mounted frictionally. The Figures 11 to 13 represent an advantageous type of mounting, in which a mobile representative of a star 5 or 50 is pivotally mounted in a cylindrical sleeve 70 of axis A, capable of being rotated about this axis. This sleeve 70 may be in two parts to facilitate assembly. In the same way, the representative spherical portion of the star 5 or 50 is shown enclosed in a hollow globe in two parts, two hemispheres of which can be differentiated in day / night in a plane parallel to the axis A or perpendicular to this axis. axis A.

L'invention se prête ainsi tout aussi bien à la représentation de la Terre, que de la lune, ou encore de tout corps céleste à orbite périodique.The invention thus lends itself equally well to the representation of the Earth, the moon, or any celestial body periodic orbit.

Dans une variante particulière de représentation de la Terre, de façon à faire afficher, pour un utilisateur d'une zone quelconque du monde, une représentation de la Terre sur laquelle est visible son propre pays, le mécanisme 1 comporte des moyens de réglage de la sphère 50 de Terre, soit par une tige 45, soit par un mécanisme GMT 46 quand la pièce d'horlogerie en comporte un, ce qui présente l'avantage de laisser inchangé l'affichage principal, tout en affichant la progression jour-nuit sur le fuseau GMT intéressant l'utilisateur.In a particular variant of representation of the Earth, so as to display, for a user of any area of the world, a representation of the Earth on which is visible his own country, the mechanism 1 comprises means for adjusting the sphere 50 of the Earth, either by a rod 45, or by a GMT mechanism 46 when the timepiece has one, which has the advantage of leaving unchanged the main display, while displaying the day-night progress on the GMT time zone of interest to the user.

L'invention permet la réalisation d'une montre cosmographique, ou astronomique, ou Terre-lune.The invention allows the realization of a cosmographic watch, or astronomical, or Earth-moon.

Par exemple, dans un second fuseau GMT, centré sur la Bolivie dans l'exemple de la figure 10, un équipage mobile Terre-lune parcourt le grand cercle en 12 ou 24 heures, et donne, par sa position angulaire, l'heure locale : ici 2h du matin en Bolivie, qui est encore dans le secteur le plus sombre correspondant à la nuit.For example, in a second GMT zone, centered on Bolivia in the example of the figure 10 , a moving earth-moon crew travels the big circle in 12 or 24 hours, and gives, by its angular position, the local time: here 2am in Bolivia, which is still in the darkest sector corresponding to the night .

Comme exposé plus haut, au sein de l'équipage mobile Terre-lune, la lune tourne autour de la Terre en un mois lunaire, tout en affichant ses phases.As explained above, in the mobile Earth-moon crew, the moon turns around the Earth in a lunar month, while displaying its phases.

Dans une variante particulière, l'axe des pôles de la Terre reste parallèle à l'axe 12h-6h, ainsi que l'axe des pôles de la lune.In a particular variant, the axis of the poles of the Earth remains parallel to the axis 12h-6h, as well as the axis of the poles of the moon.

Dans une version compliquée, on substitue une représentation circulaire de l'orbite Terrestre une trajectoire elliptique. Dans les deux cas, l'affichage peut incorporer avantageusement, dans différentes variantes, des signaux d'affichage propres aux équinoxes et aux solstices, ou/et aux signes du zodiaque, ou/et les facteurs de chance associés pour les pays asiatiques.In a complicated version, a circular representation of the Earth orbit is substituted for an elliptical trajectory. In both cases, the display can advantageously incorporate, in different variants, display signals specific to equinoxes and solstices, and / or zodiacal signs, and / or the associated luck factors for Asian countries.

Une autre variante encore consiste dans l'affichage des coefficients de marée en fonction du fuseau GMT.Yet another variant is the display of tidal coefficients according to GMT time zone.

L'invention concerne encore un mouvement 100 comportant des moyens d'entraînement pour l'entraînement d'au moins un tel mécanisme d'affichage 1. Avantageusement ce mouvement 100 entraîne certaines fonctions de ce mécanisme d'affichage, comme un mécanisme d'entraînement jour/nuit 47 ou/et un mécanisme GMT 46, ou similaire, pour l'entraînement d'au moins un mobile 5, 50, représentatif d'un astre ou/et d'un globe 51 à demi transparent recouvrant un tel mobile 5, 50.The invention also relates to a movement 100 comprising drive means for driving at least one such display mechanism 1. Advantageously, this movement 100 involves certain functions of this display mechanism, such as a drive mechanism. day / night 47 or / and a GMT mechanism 46, or similar, for driving at least one mobile 5, 50, representative of a star or / and a globe 51 semi-transparent covering such a mobile 5 , 50.

L'invention concerne encore une pièce d'horlogerie astronomique, en particulier une montre astronomique, comportant au moins un tel mouvement 100 ou/et au moins un tel mécanisme 1.The invention also relates to an astronomical timepiece, in particular an astronomical watch, comprising at least one such movement 100 and / or at least one such mechanism 1.

Claims (17)

  1. Mechanism (1) for displaying the day and phase of at least a first celestial body, said mechanism comprising a central axis (D0), said mechanism further comprising a gear train (2) for a constant frequency gear drive on an output (10) of a timepiece movement (100), said mechanism (1) including a means (3) for the three-dimensional display of the day and phase of said first celestial body represented by a first mobile component (5), which is driven by said gear train (2), wherein said means (3) for the three-dimensional display comprises a first phase arbour (4), driven directly or indirectly by pivoting by said gear train (2), said first phase arbour (4) being the carrier of a first mobile component (5) for simulating said first celestial body and carrying out a rotation whose period is the duration of one month of said first celestial body, and a first day arbour (6), directly or indirectly pivotally driven by gear train 2, about which said first day arbour (6), said first mobile component (5) carries out an orbit whose period is the duration of one day of said first celestial body, characterised in that said first day arbour (6) is mounted on a day mobile component (41) which makes a circular or elliptical trajectory about said central axis (D0).
  2. Mechanism (1) according to the preceding claim, characterised in that said day mobile component (41) carries at least one second mobile component (50) for simulating a second celestial body, said second mobile component (50) taking the form of a second sphere (50) whose angular position can be adjusted by manual adjustment means (43) or by a GMT time zone adjustment train (44) of said movement (100), said second sphere (50) is surrounded by a third sphere (51) having one transparent hemisphere, and which is arranged to carry out a revolution of which the period is the duration of one day of said second celestial body, while the day mobile component (41), directly or indirectly pivotally driven by said gear train (2), makes an eccentric revolution whose period is a sub-multiple or multiple of the second celestial body day, or whose period is the duration of one year of said second celestial body.
  3. Mechanism (1) according to claim 3, characterized in that the second celestial body is the Earth, and in that said mechanism (1) displays, on one hand, the day/night progression in one meridian of the Earth, and on the other hand, the local time of the meridian or the annual position of the Earth on its orbit around the sun.
  4. Mechanism (1) according to one of the preceding claims, characterised in that said gear train (2) comprises a phase train (10) and a day train (20), each in mesh on an output of the same said movement (100), and in that said phase train (10), and/or the day train (20), includes at least one uncoupling means between the input and output thereof.
  5. Mechanism (1) according to claim 4, characterized in that said phase train (10), and the day train (20) each include at least one uncoupling means between the input and output thereof.
  6. Mechanism (1) according to claim 4 or 5, characterized in that the uncoupling means of said day train (20) includes a jumper spring (25) arranged between, on the one hand, a day wheel (23) kinematically connected to the input train from said movement (100), and on the other hand, a wheel with male wolf teeth (24), arranged to be driven by said phase train (10) and to pivotally drive said first mobile component (5).
  7. Mechanism (1) according to claim 4 or 5, characterized in that the uncoupling means of said phase train (10) comprise, on the one hand, a cam (16) disposed on the periphery (15A) of a snail (15) arranged to be driven by an intermediate wheel (13) which is kinematically connected to the input train from said movement (100), and on the other hand, the first arm (19A) of a lever (19), said first arm (19A) is returned by an elastic return means towards said cam (16), and the jump thereof on a slope (16A) of said cam (16) causes the rotation of said lever (19) and the movement of a second arm (19B) which is comprised therein, and which carries a click (19C), arranged to cooperate with said day train (20) and move said train forward one position at the time of said jump.
  8. Mechanism (1) according to the claim 7, characterized in that said snail (15) is not permanently driven by said intermediate wheel (13), which carries a toothing (14) with female wolf teeth; said snail (15) carries a click (17) arranged to make the snail pivot integrally with said intermediate wheel (13), and the jump of said first arm (19A) of said lever (19) on said slope (16A) of said cam (16) releases said click (17) from said female wolf toothing (14) prior to the re-engagement thereof in position in the next tooth.
  9. Mechanism (1) according to claim 7, characterized in that said snail (15) pivots integrally with said intermediate wheel (13).
  10. Mechanism (1) according to one of the preceding claims, characterized in that said first day arbour (6) is directly or indirectly pivotally driven by a part of said gear train (2) which is synchronous with said first phase arbour (4) which is directly or indirectly pivotally driven by a first part (21) of said gear train (2).
  11. Mechanism (1) according to one of the preceding claims, characterized in that said first phase arbour (4) is carried by said first day arbour (6), or by a phase mobile component (7) driven by said first day arbour (6).
  12. Mechanism (1) according to one of the preceding claims, characterized in that the trajectory of said first mobile component (5) partially occurs behind a screen (8) defining a horizon (9) on the pivot axis (D6) of said first day arbour (6).
  13. Mechanism (1) according to one of the preceding claims, characterized in that the mechanism displays the day and lunar phase of said first celestial body which is the Moon.
  14. Mechanism (1) according to one of the preceding claims, characterized in that said first phase arbour (4) is transparent or made of sapphire.
  15. Movement (100) comprising a drive means for driving at least one said display mechanism (1) according to one of the preceding claims.
  16. Movement (100) according to the preceding claim, characterized in that said movement includes a day/night drive mechanism (47) and/or a GMT mechanism (46), for driving at least one mobile component (5; 50) representing a celestial body and/or for driving a globe (51) with a transparent half covering one said mobile component (5; 50).
  17. Astronomical watch comprising at least one said movement (100) according to claim 15 or 16 and/or at least one said mechanism (1) according to one of claims 1 to 14.
EP12191477.4A 2012-11-06 2012-11-06 Astronomical watch Active EP2728420B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH02262/12A CH707163A2 (en) 2012-11-06 2012-11-06 Display mechanism for displaying day and lunar phase of e.g. Earth, in astronomic watch, has three-dimensional display unit displaying day and phase of star, where display unit is formed by mobile part that is driven by wheel
EP12191477.4A EP2728420B1 (en) 2012-11-06 2012-11-06 Astronomical watch
EP13185191.7A EP2728421B1 (en) 2012-11-06 2013-09-19 Astronomical watch
US14/069,523 US8995233B2 (en) 2012-11-06 2013-11-01 Astronomical watch
CN201310539594.9A CN103809422B (en) 2012-11-06 2013-11-05 Chronometer watch
JP2013230043A JP5695164B2 (en) 2012-11-06 2013-11-06 Astronomical watch

Applications Claiming Priority (1)

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EP12191477.4A EP2728420B1 (en) 2012-11-06 2012-11-06 Astronomical watch

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EP13185191.7A Active EP2728421B1 (en) 2012-11-06 2013-09-19 Astronomical watch

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CN103809422A (en) 2014-05-21
EP2728420A1 (en) 2014-05-07
JP5695164B2 (en) 2015-04-01
CN103809422B (en) 2017-03-01
CH707163A2 (en) 2014-05-15
EP2728421A1 (en) 2014-05-07
EP2728421B1 (en) 2015-11-18
US20140126336A1 (en) 2014-05-08
US8995233B2 (en) 2015-03-31
JP2014092549A (en) 2014-05-19

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