EP3018537B1 - Large date display device for a clock piece - Google Patents

Large date display device for a clock piece Download PDF

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Publication number
EP3018537B1
EP3018537B1 EP14191899.5A EP14191899A EP3018537B1 EP 3018537 B1 EP3018537 B1 EP 3018537B1 EP 14191899 A EP14191899 A EP 14191899A EP 3018537 B1 EP3018537 B1 EP 3018537B1
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EP
European Patent Office
Prior art keywords
characters
display
upper plate
character
lower plate
Prior art date
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Application number
EP14191899.5A
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German (de)
French (fr)
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EP3018537A1 (en
Inventor
Martin Robin
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Blancpain SA
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Blancpain SA
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Publication date
Application filed by Blancpain SA filed Critical Blancpain SA
Priority to EP14191899.5A priority Critical patent/EP3018537B1/en
Priority to RU2015147304A priority patent/RU2619734C2/en
Priority to US14/930,998 priority patent/US9383723B2/en
Priority to CN201510741803.7A priority patent/CN105573097B/en
Priority to JP2015216434A priority patent/JP6283339B2/en
Publication of EP3018537A1 publication Critical patent/EP3018537A1/en
Application granted granted Critical
Publication of EP3018537B1 publication Critical patent/EP3018537B1/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
    • 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
    • G04B13/00—Gearwork
    • G04B13/002—Gearwork where rotation in one direction is changed into a stepping movement
    • G04B13/026—
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
    • 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

Definitions

  • the present invention relates to a large date display device comprising means for indicating the tens arranged to selectively display four distinct indications, and means for indicating the units arranged to selectively display the digits from 1 to 9 and the zero, the device being arranged to indicate the date in a timepiece.
  • the document CH 688 671 discloses a watch having a "big date” display device comprising two concentric indicator discs.
  • the smaller of the two disks is arranged to perform a turn in four steps and it carries the four indications 0, 1, 2 and 3 to figure the tens.
  • the other disc is arranged to perform a lap in ten steps and it carries the ten indications 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 to figure the units.
  • Two wickets are still provided in the dial of the watch to allow the reading of the date.
  • a known advantage of "big date” display devices like this is that they allow a better reading of the date than systems equipped with a single date indicator disc.
  • the document CH 688 671 also explains that the two indicator discs of the display device are driven from a double-toothed drive wheel which is formed by the superposition of two toothed wheels of the same diameter and which are integral with each other .
  • a first gear of the drive wheel has 30 teeth spaced a 31 th of a turn, and a space that replaces the 31 th tooth.
  • Each tooth of the first toothing is arranged to advance the indicator disc units one step. It will therefore be understood that each revolution of the drive wheel advances the indicator disk of the units by thirty paces (which corresponds to exactly three revolutions).
  • the second toothing of the drive wheel has four teeth. Each tooth of the second toothing is arranged to advance the indicator disc tens a step.
  • the document CH 589 881 discloses a character display mechanism for a timepiece, likely to be a "big date" calendar and comprising a plate on which are intertwined pieces of characters forming figures.
  • a first type of date mechanism is the so-called “simple” calendar.
  • simple date it is necessary, at the end of the months not having 31 days, to manually advance the display device "big date” to update the date.
  • annual date mechanisms we also know so-called “annual” date mechanisms, and even so-called “perpetual” date mechanisms.
  • perpetual calendar all changes, at the end of each month, are done automatically, regardless of the number of days in the month.
  • annual calendar all changes are automatic, except for the transition between February and March.
  • the catch-up operation is done automatically.
  • the perpetual calendar mechanisms are usually equipped with a so-called "48" cam which has notches of different depths for months of less than 31 days.
  • the mechanism further comprises a rocker arranged to cooperate with the cam 48.
  • the degree of inclination of the rocker is determined by the depth of the notch in which its nose is engaged, and this degree of inclination in turn determines the number of days to catch up at the end of the current month.
  • This type of mechanism is both complex and delicate.
  • An object of the present invention is to simplify the operations necessary to update a "big date" display device after the end of a month of less than 31 days.
  • the present invention achieves this goal by providing a large date display device according to the appended claim 1.
  • the number of units of the calendar of the last day of a month less than 31 days is always either 8 or 9, or zero.
  • these three digits of the units are displayed using the first lower plate, the first upper plate then being in an angular position such that said at least one first opening associated with the eighth Missing or incomplete character is under the display area.
  • the number of the date units of the first day of the month is always the 1. But the 1 is the first of the characters carried by the first upper plate. The position of the 1 on the upper plate is therefore directly following the position of the eighth missing or incomplete character.
  • the date "1" can directly replace the number of units of the last calendar of a month of less than 31 days. It will be further understood that in the case where the last day of the month is the 31st, the transition to the first day of the following month can be done without changing the unit figure.
  • an advantageous variant of the invention is in accordance with the appended claim 2.
  • the digits of the tens 2 and 3 are always displayed using the second lower plate and the said at least one second opening associated with the third missing or incomplete character of the second upper plate.
  • the angular position of the second upper plate when displaying the last day of the month is therefore always the one where the third missing or incomplete character is in the display area.
  • the tens digit of the day of the first day of the month is the "0", or alternatively the empty space.
  • the 0 is the first of the characters carried by the second upper plate.
  • the position of the 0 on the upper plate is therefore directly following the position of the third missing or incomplete character.
  • the "0" calendar can be substituted directly for the tens digit of the last calendar of the month, this single step of the second upper plate being, as as we have seen, associated with a single step in front of the first top plate when the previous month is less than 31 days old.
  • the figure 1 is a top plan view of the cache of a "big date" display device according to a particular embodiment of the invention. It can be seen in the figure that, in the illustrated embodiment, apertures 7A-7G (called third apertures) and apertures 9A-9G (so-called fourth apertures) are arranged in a display area 5 of the device cover. display. It can be understood from the figure that the third openings are part of indication means of the units, while the fourth openings are part of tens indication means.
  • the segment display form used in the illustrated example corresponds to a so-called 7-segment display.
  • the 7-segment displays make it possible to display the numbers from “0” to "9” by means of seven rectilinear segments (four vertical segments and three horizontal segments) which are distributed on a pattern of "8" corresponding to the superposition of the numbers from "0" to "9".
  • the means for indicating the units comprise a first upper plate 2 and a first lower plate 3.
  • the outline of the first plates 2 and 3 is represented by dashed lines in FIG. figure 1 . It will be understood that the broken line indicates that these two elements are masked by the cache of the display device.
  • the tens indicating means comprises a second upper plate 12 and a second lower plate 13. The latter two elements are also masked by the display cover.
  • the Figure 2A is an exploded representation of the elements already in the top plan view of the figure 1 .
  • the exploded representation shows the two sets of characters carried respectively by the first 2 and the second 12 upper plate, and the pieces of characters carried respectively by the first 3 and the second 13 lower plate.
  • the respective angular positions of the first and second upper and lower plates as shown in FIG. Figure 2A correspond to the display of the date "28" by the "big date” display device.
  • the first upper plate 2 carries a series of eight characters regularly distributed over a wide circular path. Seven of these characters (respectively referenced A1, A2, A3, A4, A5, A6 and A7) are constituted by the digits 1, 2, 3, 4, 5, 6 and 7.
  • the eighth character (referenced A8) is incomplete. It is constituted by a number 8 amputated of two segments, these two segments being replaced by openings (so-called first openings and referenced A8E and A8G) which are also in the form of segments. It will be further noted that the characters overlap each other, and that two overlapping characters make an angle of 45 ° between them.
  • the feature of the present example in which two entangled figures make an angle of 45 ° between them is particularly advantageous when the display principle used is that of the 7-segment display.
  • the 7-segment display uses four vertical segments and three horizontal segments. As confirmed by figure 1 there are no oblique segments. Under these conditions, as two overlapping characters make an angle of 45 ° between them, the third openings in the cache can only show one character at a time in the display area.
  • the first lower plate 3 carries a pattern formed of pieces of characters.
  • these pieces of character referenced P8, P9 and P0
  • these character pieces are arranged to respectively form the digits 8, 9 and 0 in association with the eighth incomplete character, when they appear under at least one of the first openings A8E and A8G.
  • Figure 2A it is the piece P8 which is supposed to be just below the first openings A8E and A8G, so that it completes the eighth character to make it an 8.
  • the complete cycle of the units consists of the sequence of digits 1, 2, 3, 4, 5, 6, 7 displayed by the first upper plate 2, followed by the sequence of digits 8, 9, 0 displayed by the first lower plate. 3 in combination with the eighth incomplete character A8 of the upper plate.
  • the cycle begins with the S index at 10:30 (cf. Figure 2B ). In this angular position, the number 1 appears through the third openings 7B and 7C of the cache.
  • the character A1 comprises auxiliary segments which have the same color as the display area 5 of the cover and whose presence has the effect of obscuring the five third openings which do not participate in the indication of the number 1 .
  • the first upper plate is not illustrated in these angular positions, it will be understood that when the first upper plate then makes a step of 45 ° counterclockwise, the index S is placed at 9:00 and the number 2 appears at through the third openings 7A, 7B, 7D, 7E and 7G. A step further brings the index S at 7:30 and places the number 3 directly below the third openings. The index S is then placed at 6:00 for the display of the number 4, then at 4:30 for the number 5, at 3:00 for the number 6 and at 1:30 for the number 7. It will be noted that during all the part of the cycle that comes to be described, the pieces of characters P8, P9 and P0 carried by the first lower plate 3 are masked by the upper plate 2. Thus, the lower plate does not intervene in the display, and its angular position therefore plays no role.
  • the index S is placed at noon (as shown in FIG. Figure 2A ) and the eighth incomplete character appears through the third openings.
  • the first openings A8E and A8G are immobilized directly below the third openings 7E and 7G.
  • One of the three character pieces P8, P9 and P0 may appear through at least one of the first openings (in the Figure 2A as we have seen, it is the piece P8 which appears). In other words, to indicate the number 8, the index I must be oriented at 6 o'clock.
  • the P9 character bit has a segment of a color that contrasts with the color of the cache and an auxiliary segment whose color is the same as that of the cache.
  • the first of these segments appears through the first opening A8G and the third opening 7G so as to complete the eighth character to make it a 9.
  • the second segment of the piece of character P9 is just below the openings A8E and 7E superimposed. As its color corresponds to that of the cache, its presence has the effect of obscuring the third opening 7E.
  • the index I is placed at 2:00 and the piece of character P0 replaces the piece P9 (cf. Figure 4A ).
  • a segment whose color contrasts with that of the cache appears through the first aperture A8E and the third aperture 7E to complete the eighth character to a 0. It is important to note that the first top plate does not change orientation when unit display changes from 8 to 9 and then from 9 to zero.
  • the means for indicating the tens are similar to the means for indicating the units.
  • the second upper plate 12 carries a series of three characters regularly distributed every 120 ° on a wide circular track. Two of these characters (respectively referenced B0 and B1) are constituted by the numbers 0 and 1. The third character (referenced B2) is incomplete. It can be seen that its layout corresponds to that of a digit 8 amputated by two segments, these two segments being replaced by openings (called first openings and referenced B2C and B2E) which also have the shape of segments.
  • the second lower plate 13 carries a pattern formed of four horizontal segments and four vertical segments. It can be further noted that this pattern has a rotation symmetry of order 2. Two of the four vertical segments have a color that contrasts with that of the display area 5 of the cache. These two segments which are symmetrical by a 180 ° rotation are both referenced Q2. The other two vertical segments have the same color as the cache. They are also symmetrical by a rotation of 180 ° and they are referenced Q2 '. Two of the four horizontal segments have a color that contrasts with that of the display area 5 of the cache. These two segments which are symmetrical by a 180 ° rotation are both referenced Q3. The other two horizontal segments have the same color as the cache. They are also symmetrical by a rotation of 180 ° and they are referenced Q3 '.
  • the complete cycle of tens is formed by the sequence of digits 0 and 1 displayed by the second upper plate 12, followed by the sequence of digits 2 and 3 displayed by the second lower plate 13 in association with the third incomplete character B2 of the plate. higher.
  • the cycle begins with the second upper plate 12 oriented so that the character B0 (the number 0) is at the bottom right. In this angular position, the digit 0 appears through the fourth openings 9A, 9B, 9C, 9D, 9E and 9F of the cache.
  • the character B0 comprises an auxiliary segment which has the same color as the display zone 5 of the mask and the presence of which has the effect of obscuring the fourth opening 9G which does not participate in the indication of the digit 0 .
  • the character B1 takes the place of the character B0 and the number 1 appears through the fourth openings 9B and 9C. It will be noted that during this first part of the cycle, the pieces of characters Q2, Q2 ', Q3 and Q3' carried by the second lower plate 13 are masked by the upper plate 12. Thus, the lower plate does not intervene in the display, and its angular position therefore plays no role.
  • Figure B2 is placed on the lower left (as shown in Figure 2A ) and the third character incomplete appears through the fourth openings.
  • the second openings B2C and B2E are immobilized directly below the fourth openings 9C and 9E.
  • One of the pairs of segments Q2-Q2 'or Q3-Q3' may appear through the second openings (in the Figure 2A as we have seen, it is the pair Q2-Q2 'which appears). It will be understood that to indicate the number 2, it is necessary that the second bottom plate 13 is oriented so that the segments Q2 and Q2 'are placed directly under the first openings B2C and B2E.
  • an object of the invention was to simplify the operations necessary to bring a "big date" display device up to date following the end of a month of less than 31 days.
  • Figure 2A to the figure 2b the figure 3A to the figure 3B , the Figure 4A to the Figure 4B , and finally the Figure 5A to the Figure 5B , the passage to the first day of the month following this fact by a single jump of the first and second upper plate.
  • the Figures 2A and 2B show that the large date display device can pass without transition from the indication of the date 28 to that of the 1 by rotating the first upper plate 2 of a pitch in the counterclockwise direction and the second upper plate 12 of a not clockwise.
  • the Figures 3A and 3B show that the large date display device also makes it possible to pass without transition from the indication of the date 29 to that of the 1 by rotating the first upper plate 2 one step in the counterclockwise direction and the second upper plate 12 of one step clockwise.
  • the Figures 4A and 4B show that the large date display device still allows to go without transition from the date indication 30 to that of the 1 by rotating the first upper plate 2 of a pitch in the counterclockwise direction and the second upper plate 12 of one step clockwise.
  • Figures 5A and 5B show that the large-date display device makes it possible to pass without transition from the indication of the date 31 to that of the 1 without rotating the first upper plate 2, but only by advancing the second upper plate 12 by one step.
  • the first and second lower plates could carry whole numbers. Namely the numbers "8", “9” and “0” regularly spaced on the first lower plate and the numbers "2" and "3" on the second lower plate. Under these conditions, the eighth character of the first upper plate and the third character of the second upper plate could simply be absent and replaced each by an opening large enough to allow even fully a figure carried by the lower plate.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Electromechanical Clocks (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Displays For Variable Information Using Movable Means (AREA)

Description

DOMAINE DE L'INVENTIONFIELD OF THE INVENTION

La présente invention concerne un dispositif d'affichage grande date comportant des moyens d'indications des dizaines agencés pour afficher sélectivement quatre indications distinctes, et des moyens d'indications des unités agencés pour afficher sélectivement les chiffres de 1 à 9 et le zéro, le dispositif étant agencé pour indiquer le quantième dans un pièce d'horlogerie.The present invention relates to a large date display device comprising means for indicating the tens arranged to selectively display four distinct indications, and means for indicating the units arranged to selectively display the digits from 1 to 9 and the zero, the device being arranged to indicate the date in a timepiece.

ART ANTERIEURPRIOR ART

On connait déjà des dispositifs d'affichage « grande date » pour pièce d'horlogerie qui correspondent à la définition ci-dessus. Le document CH 688 671 en particulier décrit une montre comportant un dispositif d'affichage « grande date » comportant deux disques indicateurs concentriques. Le plus petit des deux disques est agencé pour effectuer un tour en quatre pas et il porte les quatre indications 0, 1, 2 et 3 pour figurer les dizaines. L'autre disque est agencé pour effectuer un tour en dix pas et il porte les dix indications 0, 1, 2, 3, 4, 5, 6, 7, 8 et 9 pour figurer les unités. Deux guichets sont encore prévus dans le cadran de la montre pour permettre la lecture du quantième. Un avantage connu des dispositifs d'affichage « grande date » comme celui-ci est qu'ils permettent une meilleure lecture de la date que les systèmes équipés d'un unique disque indicateur du quantième.There are already known "big date" display devices for timepieces that correspond to the definition above. The document CH 688 671 in particular discloses a watch having a "big date" display device comprising two concentric indicator discs. The smaller of the two disks is arranged to perform a turn in four steps and it carries the four indications 0, 1, 2 and 3 to figure the tens. The other disc is arranged to perform a lap in ten steps and it carries the ten indications 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 to figure the units. Two wickets are still provided in the dial of the watch to allow the reading of the date. A known advantage of "big date" display devices like this is that they allow a better reading of the date than systems equipped with a single date indicator disc.

Le document CH 688 671 explique encore que les deux disques indicateurs du dispositif d'affichage sont entraînés à partir d'une roue d'entraînement à double denture qui est formée par la superposition de deux roues dentées de même diamètre et qui sont solidaires l'une de l'autre. Une première denture de la roue d'entraînement compte 30 dents espacées d'un 31ème de tour, ainsi qu'un espace qui remplace la 31ème dent. Chaque dent de la première denture est agencée pour faire avancer le disque indicateur des unités d'un pas. On comprendra donc que chaque tour de la roue d'entraînement fait avancer de trente pas le disque indicateur des unités (ce qui correspond à trois tours exactement). La deuxième denture de la roue d'entraînement comporte quatre dents. Chaque dent de la deuxième denture est agencée pour faire avancer le disque indicateur des dizaines d'un pas. Chaque tour de la roue d'entraînement fait donc effectuer un tour complet au disque indicateur des dizaines. On comprendra de ce qui précède que le dispositif d'affichage de l'art antérieur qui vient d'être décrit constitue un compteur cyclique à 31 positions. Le document CH 589 881 divulgue un mécanisme d'affichage de caractères pour pièce d'horlogerie, susceptible d'être un calendrier à "grande date" et comportant une plaque sur laquelle sont enchevêtrés des morceaux de caractères formant des chiffres.The document CH 688 671 also explains that the two indicator discs of the display device are driven from a double-toothed drive wheel which is formed by the superposition of two toothed wheels of the same diameter and which are integral with each other . A first gear of the drive wheel has 30 teeth spaced a 31 th of a turn, and a space that replaces the 31 th tooth. Each tooth of the first toothing is arranged to advance the indicator disc units one step. It will therefore be understood that each revolution of the drive wheel advances the indicator disk of the units by thirty paces (which corresponds to exactly three revolutions). The second toothing of the drive wheel has four teeth. Each tooth of the second toothing is arranged to advance the indicator disc tens a step. Each turn of the drive wheel therefore makes a complete revolution to the tens indicator disc. It will be understood from the above that the display device of the prior art which has just been described constitutes a 31-position cyclic counter. The document CH 589 881 discloses a character display mechanism for a timepiece, likely to be a "big date" calendar and comprising a plate on which are intertwined pieces of characters forming figures.

On connait plusieurs types de mécanismes de quantième adaptés pour actionner un dispositif d'affichage « grande date » comme celui qui vient d'être décrit. Un premier type de mécanismes de quantième est le quantième dit « simple ». Dans un quantième simple, il faut, à la fin des mois ne comportant pas 31 jours, faire avancer manuellement le dispositif d'affichage « grande date » pour mettre le quantième à jour. On connait également des mécanismes de quantième dit « annuels », et même des mécanismes de quantième dit « perpétuels ». Dans un quantième perpétuel, tous les changements, à la fin de chaque mois, se font automatiquement, quel que soit le nombre de jours dans le mois. Dans un quantième annuel, tous les changements se font automatiquement, à l'exception de la transition entre le mois de février et le mois de mars.There are several types of date mechanisms adapted to operate a "big date" display device such as that just described. A first type of date mechanism is the so-called "simple" calendar. In a simple date, it is necessary, at the end of the months not having 31 days, to manually advance the display device "big date" to update the date. We also know so-called "annual" date mechanisms, and even so-called "perpetual" date mechanisms. In a perpetual calendar, all changes, at the end of each month, are done automatically, regardless of the number of days in the month. In an annual calendar, all changes are automatic, except for the transition between February and March.

Avec les mécanismes de quantième connus, quel qu'en soit le type, une opération de rattrapage est nécessaire à la fin de chaque mois comptant moins de 31 jours. Dans le cas d'un quantième simple, c'est au porteur de la montre que revient la tâche de remettre le quantième à jour en faisant avancer manuellement la date du nombre de jours requis. Il s'agit là d'une opération fastidieuse dont la plupart des propriétaires de montres se passeraient volontiers.With known date mechanisms, whatever the type, a catch-up operation is required at the end of each month with less than 31 days. In the case of a simple calendar, it is the bearer of the watch that has the task of updating the date by manually advancing the date of the number of days required. This is a tedious operation that most watch owners would happily do.

Dans le cas des quantièmes perpétuels, l'opération de rattrapage se fait automatiquement. A cet effet, les mécanismes de quantième perpétuel sont habituellement équipés d'une came dite « de 48 » qui comporte des encoches de différentes profondeurs pour les mois de moins de 31 jours. Le mécanisme comporte encore une bascule agencée pour coopérer avec la came de 48. Le degré d'inclinaison de la bascule est déterminé par la profondeur de l'encoche dans laquelle son bec est engagé, et ce degré d'inclinaison détermine à son tour le nombre de jours à rattraper à la fin du mois en cours. Ce type de mécanisme est à la fois complexe et délicat.In the case of perpetual calendars, the catch-up operation is done automatically. For this purpose, the perpetual calendar mechanisms are usually equipped with a so-called "48" cam which has notches of different depths for months of less than 31 days. The mechanism further comprises a rocker arranged to cooperate with the cam 48. The degree of inclination of the rocker is determined by the depth of the notch in which its nose is engaged, and this degree of inclination in turn determines the number of days to catch up at the end of the current month. This type of mechanism is both complex and delicate.

BREF EXPOSE DE L'INVENTIONBRIEF SUMMARY OF THE INVENTION

Un but de la présente invention est de simplifier les opérations nécessaires pour mettre à jour un dispositif d'affichage « grande date » suite à la fin d'un mois de moins de 31 jours. La présente invention atteint ce but en fournissant un dispositif d'affichage grande date conforme à la revendication 1 annexée.An object of the present invention is to simplify the operations necessary to update a "big date" display device after the end of a month of less than 31 days. The present invention achieves this goal by providing a large date display device according to the appended claim 1.

On comprendra que le chiffre des unités du quantième du dernier jour d'un mois de moins de 31 jours est toujours, soit le 8, soit le 9, soit le zéro. De plus, selon l'invention, ces trois chiffres des unités sont affichés à l'aide de la première plaque inférieure, la première plaque supérieure se trouvant alors dans une position angulaire telle que ladite au moins une première ouverture associée au huitième caractère absent ou incomplet se trouve sous la zone d'affichage. D'autre part, le chiffre des unités du quantième du premier jour du mois est toujours le 1. Or le 1 est le premier des caractères portés par la première plaque supérieure. La position du 1 sur la plaque supérieure fait donc directement suite à la position du huitième caractère absent ou incomplet. On comprendra donc que, conformément à l'invention, par un unique pas de la première plaque supérieure, le quantième « 1 » peut se substituer directement au chiffre des unités du dernier quantième d'un mois de moins de 31 jours. On comprendra de plus que dans le cas où le dernier jour du mois est le 31, le passage au premier jour du mois suivant peut se faire sans changement du chiffre des unités.It will be understood that the number of units of the calendar of the last day of a month less than 31 days is always either 8 or 9, or zero. In addition, according to the invention, these three digits of the units are displayed using the first lower plate, the first upper plate then being in an angular position such that said at least one first opening associated with the eighth Missing or incomplete character is under the display area. On the other hand, the number of the date units of the first day of the month is always the 1. But the 1 is the first of the characters carried by the first upper plate. The position of the 1 on the upper plate is therefore directly following the position of the eighth missing or incomplete character. It will thus be understood that, according to the invention, by a single step of the first upper plate, the date "1" can directly replace the number of units of the last calendar of a month of less than 31 days. It will be further understood that in the case where the last day of the month is the 31st, the transition to the first day of the following month can be done without changing the unit figure.

Une variante avantageuse de l'invention est conforme à la revendication 2 annexée. Selon cette variante, les chiffres des dizaines 2 et 3 sont toujours affichés à l'aide de la deuxième plaque inférieure et de ladite au moins une seconde ouverture associée au troisième caractère absent ou incomplet de la deuxième plaque supérieure. La position angulaire de la deuxième plaque supérieure lors de l'affichage du dernier jour du mois est donc toujours celle où le troisième caractère absent ou incomplet se trouve dans la zone d'affichage. D'autre part, le chiffre des dizaines du quantième du premier jour du mois est le « 0 », ou alternativement l'espace vide. Or le 0 est le premier des caractères portés par la deuxième plaque supérieure. La position du 0 sur la plaque supérieure fait donc directement suite à la position du troisième caractère absent ou incomplet. On comprendra donc que, conformément à cette variante, par un unique pas de la deuxième plaque supérieure, le quantième « 0 » peut se substituer directement au chiffre des dizaines du dernier quantième du mois, cet unique pas de la deuxième plaque supérieure étant, comme on l'a vu, associé à un unique pas en avant de la première plaque supérieure lorsque le mois précédent compte moins de 31 jours.An advantageous variant of the invention is in accordance with the appended claim 2. According to this variant, the digits of the tens 2 and 3 are always displayed using the second lower plate and the said at least one second opening associated with the third missing or incomplete character of the second upper plate. The angular position of the second upper plate when displaying the last day of the month is therefore always the one where the third missing or incomplete character is in the display area. On the other hand, the tens digit of the day of the first day of the month is the "0", or alternatively the empty space. Now the 0 is the first of the characters carried by the second upper plate. The position of the 0 on the upper plate is therefore directly following the position of the third missing or incomplete character. It will thus be understood that, according to this variant, by a single step of the second upper plate, the "0" calendar can be substituted directly for the tens digit of the last calendar of the month, this single step of the second upper plate being, as as we have seen, associated with a single step in front of the first top plate when the previous month is less than 31 days old.

BREVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

D'autres caractéristiques et avantages de la présente invention apparaîtront à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple non limitatif, et faite en référence aux dessins annexés dans lesquels :

  • la figure 1 est un schéma montrant la disposition des premières et deuxièmes plaques supérieures et inférieures conformément à un mode de réalisation particulier du dispositif d'affichage grande date de l'invention ;
  • la figure 2A illustre les positions angulaires respectives des premières et deuxièmes plaques supérieures et inférieures lors de l'affichage du quantième 28 par le dispositif d'affichage de la figure 1 ;
  • la figure 2B illustre comment deux rotations d'un pas respectivement de la première et de la deuxième plaque supérieure permettent de faire commuter le dispositif d'affichage des figures 1 et 2A directement du quantième 28 au quantième 1 ;
  • la figure 3A illustre les positions angulaires respectives des premières et deuxièmes plaques supérieures et inférieures lors de l'affichage du quantième 29 par le dispositif d'affichage des figures précédentes ;
  • la figure 3B illustre comment deux rotations d'un pas respectivement de la première et de la deuxième plaque supérieure permettent de faire commuter le dispositif d'affichage des figures précédentes directement du quantième 29 au quantième 1 ;
  • la figure 4A illustre les positions angulaires respectives des premières et deuxièmes plaques supérieures et inférieures lors de l'affichage du quantième 30 par le dispositif d'affichage des figures précédentes ;
  • la figure 4B illustre comment deux rotations d'un pas respectivement de la première et de la deuxième plaque supérieure permettent de faire commuter le dispositif d'affichage des figures précédentes directement du quantième 30 au quantième 1 ;
  • la figure 5A illustre les positions angulaires respectives des premières et deuxièmes plaques supérieures et inférieures lors de l'affichage du quantième 31 par le dispositif d'affichage des figures précédentes ;
  • la figure 5B illustre comment une rotation d'un pas de la deuxième plaque supérieure permet de faire commuter le dispositif d'affichage des figures précédentes directement du quantième 31 au quantième 1.
Other features and advantages of the present invention will appear on reading the following description, given solely by way of non-limiting example, and with reference to the appended drawings in which:
  • the figure 1 is a diagram showing the arrangement of the first and second upper and lower plates according to a particular embodiment of the large date display device of the invention;
  • the Figure 2A illustrates the respective angular positions of the first and second upper and lower plates during the display of the date 28 by the display device of the figure 1 ;
  • the Figure 2B illustrates how two rotations of one step respectively of the first and the second upper plate make it possible to switch the display device of the figures 1 and 2A directly from date 28 to date 1;
  • the figure 3A illustrates the respective angular positions of the first and second upper and lower plates during the display of the date 29 by the display device of the preceding figures;
  • the figure 3B illustrates how two rotations of one step respectively of the first and the second upper plate make it possible to switch the display device of the preceding figures directly from date 29 to date 1;
  • the Figure 4A illustrates the respective angular positions of the first and second upper and lower plates when the display of the date 30 by the display device of the preceding figures;
  • the Figure 4B illustrates how two rotations of one step respectively of the first and the second upper plate make it possible to switch the display device of the preceding figures directly from the date 30 to the date 1;
  • the Figure 5A illustrates the respective angular positions of the first and second upper and lower plates during the display of the date 31 by the display device of the preceding figures;
  • the Figure 5B illustrates how a rotation of a step of the second upper plate makes it possible to switch the display device of the preceding figures directly from date 31 to date 1.

DESCRIPTION DETAILLEE D'UN MODE DE REALISATIONDETAILED DESCRIPTION OF AN EMBODIMENT

La figure 1 est une vue en plan de dessus du cache d'un dispositif d'affichage « grande date » conforme à un mode de réalisation particulier de l'invention. On peut voir sur la figure que, dans le mode de réalisation illustré, des ouvertures 7A à 7G (dites troisièmes ouvertures) et des ouvertures 9A à 9G (dites quatrièmes ouvertures) sont aménagées dans une zone d'affichage 5 du cache du dispositif d'affichage. On peut comprendre à partir de la figure que les troisièmes ouvertures font partie de moyens d'indication des unités, alors que les quatrièmes ouvertures font partie de moyens d'indication des dizaines. D'autre part, la forme d'affichage par segments utilisée dans l'exemple illustré correspond à un affichage dit à 7 segments. De manière connue en soi, les affichages à 7 segments permettent d'afficher les chiffres de « 0 » à « 9 » à l'aide de sept segments rectilignes (quatre segments verticaux et trois segments horizontaux) qui sont répartis sur un tracé en forme de « 8 » correspondant à la superposition des chiffres de « 0 » à « 9 ».The figure 1 is a top plan view of the cache of a "big date" display device according to a particular embodiment of the invention. It can be seen in the figure that, in the illustrated embodiment, apertures 7A-7G (called third apertures) and apertures 9A-9G (so-called fourth apertures) are arranged in a display area 5 of the device cover. display. It can be understood from the figure that the third openings are part of indication means of the units, while the fourth openings are part of tens indication means. On the other hand, the segment display form used in the illustrated example corresponds to a so-called 7-segment display. In a manner known per se, the 7-segment displays make it possible to display the numbers from "0" to "9" by means of seven rectilinear segments (four vertical segments and three horizontal segments) which are distributed on a pattern of "8" corresponding to the superposition of the numbers from "0" to "9".

Conformément à l'invention, les moyens d'indication des unités comprennent une première plaque supérieure 2 et une première plaque inférieure 3. On remarque que le contour des premières plaques 2 et 3 est représenté en traits interrompus dans la figure 1. On comprendra que le trait interrompu indique que ces deux éléments sont masqués par le cache du dispositif d'affichage. On peut voir également que dans le mode de réalisation illustré, les moyens d'indication des dizaines comprennent une deuxième plaque supérieure 12 et une deuxième plaque inférieure 13. Ces deux derniers éléments sont également masqués par le cache du dispositif d'affichage.According to the invention, the means for indicating the units comprise a first upper plate 2 and a first lower plate 3. It should be noted that the outline of the first plates 2 and 3 is represented by dashed lines in FIG. figure 1 . It will be understood that the broken line indicates that these two elements are masked by the cache of the display device. It can also be seen that in the illustrated embodiment, the tens indicating means comprises a second upper plate 12 and a second lower plate 13. The latter two elements are also masked by the display cover.

La figure 2A est une représentation en éclaté des éléments figurant déjà dans la vue en plan de dessus de la figure 1. La représentation en éclaté permet de montrer les deux séries de caractères portées respectivement par la première 2 et la deuxième 12 plaque supérieure, ainsi que les morceaux de caractères portés respectivement par la première 3 et la deuxième 13 plaque inférieure. Les positions angulaires respectives des premières et deuxièmes plaques supérieures et inférieures telles qu'elles sont représentées dans la figure 2A correspondent à l'affichage du quantième « 28 » par le dispositif d'affichage « grande date ».The Figure 2A is an exploded representation of the elements already in the top plan view of the figure 1 . The exploded representation shows the two sets of characters carried respectively by the first 2 and the second 12 upper plate, and the pieces of characters carried respectively by the first 3 and the second 13 lower plate. The respective angular positions of the first and second upper and lower plates as shown in FIG. Figure 2A correspond to the display of the date "28" by the "big date" display device.

Conformément à l'invention, la première plaque supérieure 2 porte une série de huit caractères répartis régulièrement sur une large piste circulaire. Sept de ces caractères (respectivement référencés A1, A2, A3, A4, A5, A6 et A7) sont constitués par les chiffres 1, 2, 3, 4, 5, 6 et 7. Le huitième caractère (référencé A8) est incomplet. Il est constitué par un chiffre 8 amputé de deux segments, ces deux segments étant remplacés par des ouvertures (dites premières ouvertures et référencées A8E et A8G) qui ont également la forme de segments. On notera de plus que les caractères empiètent les uns sur les autres, et que deux caractères qui se chevauchent font entre eux un angle de 45°. La caractéristique du présent exemple selon laquelle deux figures enchevêtrées font entre elles un angle de 45° est particulièrement avantageuse lorsque le principe d'affichage utilisé est celui de l'affichage à 7 segments. En effet, comme on l'a vu plus haut, l'affichage à 7 segments utilise quatre segments verticaux et trois segments horizontaux. Comme le confirme la figure 1, il n'y a donc pas de segments obliques. Dans ces conditions, comme deux caractères qui se chevauchent font entre eux un angle de 45°, les troisièmes ouvertures dans le cache ne peuvent laisser apparaître qu'un seul caractère à la fois dans la zone d'affichage.According to the invention, the first upper plate 2 carries a series of eight characters regularly distributed over a wide circular path. Seven of these characters (respectively referenced A1, A2, A3, A4, A5, A6 and A7) are constituted by the digits 1, 2, 3, 4, 5, 6 and 7. The eighth character (referenced A8) is incomplete. It is constituted by a number 8 amputated of two segments, these two segments being replaced by openings (so-called first openings and referenced A8E and A8G) which are also in the form of segments. It will be further noted that the characters overlap each other, and that two overlapping characters make an angle of 45 ° between them. The feature of the present example in which two entangled figures make an angle of 45 ° between them is particularly advantageous when the display principle used is that of the 7-segment display. Indeed, as noted above, the 7-segment display uses four vertical segments and three horizontal segments. As confirmed by figure 1 there are no oblique segments. Under these conditions, as two overlapping characters make an angle of 45 ° between them, the third openings in the cache can only show one character at a time in the display area.

Conformément à l'invention, la première plaque inférieure 3 porte un motif formé de morceaux de caractères. Dans l'exemple illustré, ces morceaux de caractère (référencés P8, P9 et P0) sont au nombre de trois, et ils font entre eux des angles de 120°. Ces morceaux de caractère sont agencés pour former respectivement les chiffres 8, 9 et 0 en association avec le huitième caractère incomplet, lorsqu'ils apparaissent sous l'une au moins des premières ouvertures A8E et A8G. On comprendra que dans la figure 2A, c'est le morceau P8 qui est sensé se trouver juste en dessous des premières ouvertures A8E et A8G, de sorte qu'il complète le huitième caractère pour en faire un 8. Autrement dit, le chiffre affiché par les moyens d'indication des unités et le 8.According to the invention, the first lower plate 3 carries a pattern formed of pieces of characters. In the illustrated example, these pieces of character (referenced P8, P9 and P0) are three in number, and they make angles of 120 ° between them. These character pieces are arranged to respectively form the digits 8, 9 and 0 in association with the eighth incomplete character, when they appear under at least one of the first openings A8E and A8G. It will be understood that in Figure 2A , it is the piece P8 which is supposed to be just below the first openings A8E and A8G, so that it completes the eighth character to make it an 8. In other words, the figure displayed by the means of indication of the units and the 8.

Le fonctionnement des moyens d'indication des unités va maintenant être décrit. Afin de se référer plus facilement à une position angulaire particulière de la première plaque supérieure ou de la première plaque inférieure, ces deux plaques sont pourvues chacune, sur les figures 2 à 5, d'un index (respectivement désignés par « S » et « I »). Sur la figure 2A, on peut voir que l'index « I » est orienté à 6 heures et que l'index « S » est orienté à 12 heures. On comprendra donc que, lorsque l'index S est à midi, et qu'en outre, l'index « I » de la première plaque inférieure est orienté dans la direction de 6 heures, la configuration des premières plaques correspond à l'affichage du chiffre 8 par les moyens d'indication des unités.The operation of the unit indication means will now be described. In order to refer more easily to a particular angular position of the first upper plate or the first lower plate, these two plates are each provided, on the Figures 2 to 5 , an index (respectively designated "S" and "I"). On the Figure 2A it can be seen that the index "I" is oriented at 6 o'clock and that the index "S" is oriented at 12 o'clock. It will therefore be understood that, when the index S is at midday, and that furthermore, the index "I" of the first lower plate is oriented in the direction of 6 hours, the configuration of the first plates corresponds to the display of figure 8 by means of indication of units.

Le déroulement d'un cycle complet des unités va maintenant être décrit. Le cycle complet des unités est formé de la séquence des chiffres 1, 2, 3, 4, 5, 6, 7 affichés par la première plaque supérieure 2, suivie de la séquence des chiffres 8, 9, 0 affichés par la première plaque inférieure 3 en association avec le huitième caractère incomplet A8 de la plaque supérieure. Le cycle commence avec l'index S à 10h30 (cf. figure 2B). Dans cette position angulaire, le chiffre 1 apparaît à travers les troisièmes ouvertures 7B et 7C du cache. On remarquera également que le caractère A1 comporte des segments auxiliaires qui ont la même couleur que la zone d'affichage 5 du cache et dont la présence a pour effet d'occulter les cinq troisièmes ouvertures qui ne participe pas à l'indication du chiffre 1.The course of a complete cycle of the units will now be described. The complete cycle of the units consists of the sequence of digits 1, 2, 3, 4, 5, 6, 7 displayed by the first upper plate 2, followed by the sequence of digits 8, 9, 0 displayed by the first lower plate. 3 in combination with the eighth incomplete character A8 of the upper plate. The cycle begins with the S index at 10:30 (cf. Figure 2B ). In this angular position, the number 1 appears through the third openings 7B and 7C of the cache. It will also be noted that the character A1 comprises auxiliary segments which have the same color as the display area 5 of the cover and whose presence has the effect of obscuring the five third openings which do not participate in the indication of the number 1 .

Bien que la première plaque supérieure ne soit pas illustrée dans ces positions angulaires, on comprendra que lorsque la première plaque supérieure effectue ensuite un pas de 45° dans le sens antihoraire, l'index S vient se placer à 9h00 et le chiffre 2 apparaît à travers les troisièmes ouvertures 7A, 7B, 7D, 7E et 7G. Un pas de plus amène l'index S à 7h30 et place le chiffre 3 directement en dessous des troisièmes ouvertures. L'index S se place ensuite à 6h00 pour l'affichage du chiffre 4, puis à 4h30 pour le chiffre 5, à 3h00 pour le chiffre 6 et à 1h30 pour le chiffre 7. On notera que pendant toute la partie du cycle qui vient d'être décrite, les morceaux de caractères P8, P9 et P0 portés par la première plaque inférieure 3 sont masqués par la plaque supérieure 2. Ainsi, la plaque inférieure n'intervient pas dans l'affichage, et sa position angulaire ne joue donc aucun rôle.Although the first upper plate is not illustrated in these angular positions, it will be understood that when the first upper plate then makes a step of 45 ° counterclockwise, the index S is placed at 9:00 and the number 2 appears at through the third openings 7A, 7B, 7D, 7E and 7G. A step further brings the index S at 7:30 and places the number 3 directly below the third openings. The index S is then placed at 6:00 for the display of the number 4, then at 4:30 for the number 5, at 3:00 for the number 6 and at 1:30 for the number 7. It will be noted that during all the part of the cycle that comes to be described, the pieces of characters P8, P9 and P0 carried by the first lower plate 3 are masked by the upper plate 2. Thus, the lower plate does not intervene in the display, and its angular position therefore plays no role.

Ensuite, lorsque la première plaque supérieure effectue encore un pas dans le sens antihoraires, l'index S vient se placer à midi (comme représenté dans la figure 2A) et le huitième caractère incomplet apparaît à travers les troisièmes ouvertures. De plus, les premières ouvertures A8E et A8G sont immobilisées directement en dessous des troisièmes ouvertures 7E et 7G. L'un des trois morceaux de caractère P8, P9 et P0 peut apparaître à travers au moins une des premières ouvertures (dans la figure 2A comme on l'a vu, c'est le morceau P8 qui apparaît). Autrement dit, pour indiquer le chiffre 8, il faut que l'index I soit orienté à 6 heures.Then, when the first top plate takes another step counter-clockwise, the index S is placed at noon (as shown in FIG. Figure 2A ) and the eighth incomplete character appears through the third openings. In addition, the first openings A8E and A8G are immobilized directly below the third openings 7E and 7G. One of the three character pieces P8, P9 and P0 may appear through at least one of the first openings (in the Figure 2A as we have seen, it is the piece P8 which appears). In other words, to indicate the number 8, the index I must be oriented at 6 o'clock.

Ensuite, lorsque la première roue inférieure 3 effectue un pas de 120° dans le sens horaire, l'index 1 vient se placer à 10h00 et le morceau de caractère P9 se substitue au morceau P8 (cf. Figure 3A). Le morceau de caractère P9 comporte un segment d'une couleur qui contraste avec la couleur du cache et un segment auxiliaire dont la couleur est la même que celle du cache. Le premier de ces segments apparaît à travers la première ouverture A8G et la troisième ouverture 7G de manière à compléter le huitième caractère pour en faire un 9. Le deuxième segment du morceau de caractère P9 se trouve juste en dessous des ouvertures A8E et 7E superposées. Comme sa couleur correspond à celle du cache, sa présence a pour effet d'occulter la troisième ouverture 7E.Then, when the first lower wheel 3 makes a step of 120 ° in the clockwise direction, the index 1 is placed at 10:00 and the piece of character P9 replaces the piece P8 (cf. Figure 3A ). The P9 character bit has a segment of a color that contrasts with the color of the cache and an auxiliary segment whose color is the same as that of the cache. The first of these segments appears through the first opening A8G and the third opening 7G so as to complete the eighth character to make it a 9. The second segment of the piece of character P9 is just below the openings A8E and 7E superimposed. As its color corresponds to that of the cache, its presence has the effect of obscuring the third opening 7E.

Ensuite, lorsque la première plaque inférieure effectue encore un pas, l'index I vient se place à 2h00 et le morceau de caractère P0 se substitue au morceau P9 (cf. Figure 4A). Un segment dont la couleur contraste avec celle du cache apparaît à travers la première ouverture A8E et la troisième ouverture 7E de manière à compléter le huitième caractère pour en faire un 0. Il est important de noter que la première plaque supérieure ne change pas d'orientation lorsque l'affichage des unités passe du 8 au 9 et ensuite du 9 au zéro.Then, when the first lower plate takes another step, the index I is placed at 2:00 and the piece of character P0 replaces the piece P9 (cf. Figure 4A ). A segment whose color contrasts with that of the cache appears through the first aperture A8E and the third aperture 7E to complete the eighth character to a 0. It is important to note that the first top plate does not change orientation when unit display changes from 8 to 9 and then from 9 to zero.

En se référant à nouveau à la figure 2A, on peut observer que, dans l'exemple illustré, les moyens d'indication des dizaines sont similaires aux moyens d'indication des unités. En effet, conformément à une variante avantageuse de l'invention, la deuxième plaque supérieure 12 porte une série de trois caractères répartis régulièrement tous les 120° sur une large piste circulaire. Deux de ces caractères (respectivement référencés B0 et B1) sont constitués par les chiffres 0 et 1. Le troisième caractère (référencé B2) est incomplet. On peut voir que son tracé correspond à celui d'un chiffre 8 amputé de deux segments, ces deux segments étant remplacés par des ouvertures (dites premières ouvertures et référencées B2C et B2E) qui ont également la forme de segments.Referring again to the Figure 2A it can be observed that, in the illustrated example, the means for indicating the tens are similar to the means for indicating the units. Indeed, according to an advantageous variant of the invention, the second upper plate 12 carries a series of three characters regularly distributed every 120 ° on a wide circular track. Two of these characters (respectively referenced B0 and B1) are constituted by the numbers 0 and 1. The third character (referenced B2) is incomplete. It can be seen that its layout corresponds to that of a digit 8 amputated by two segments, these two segments being replaced by openings (called first openings and referenced B2C and B2E) which also have the shape of segments.

En se référant toujours à la figure 2A, on peut voir que la deuxième plaque inférieure 13 porte un motif formé de quatre segments horizontaux et de quatre segments verticaux. On peut noter de plus que ce motif présente une symétrie de rotation d'ordre 2. Deux des quatre segments verticaux ont une couleur qui contraste avec celle de la zone d'affichage 5 du cache. Ces deux segments qui sont symétriques par une rotation de 180° sont tous deux référencés Q2. Les deux autres segments verticaux ont la même couleur que le cache. Ils sont également symétriques par une rotation de 180° et ils sont référencés Q2'. Deux des quatre segments horizontaux ont une couleur qui contraste avec celle de la zone d'affichage 5 du cache. Ces deux segments qui sont symétriques par une rotation de 180° sont tous deux référencés Q3. Les deux autres segments horizontaux ont la même couleur que le cache. Ils sont également symétriques par une rotation de 180° et ils sont référencés Q3'.Referring always to the Figure 2A it can be seen that the second lower plate 13 carries a pattern formed of four horizontal segments and four vertical segments. It can be further noted that this pattern has a rotation symmetry of order 2. Two of the four vertical segments have a color that contrasts with that of the display area 5 of the cache. These two segments which are symmetrical by a 180 ° rotation are both referenced Q2. The other two vertical segments have the same color as the cache. They are also symmetrical by a rotation of 180 ° and they are referenced Q2 '. Two of the four horizontal segments have a color that contrasts with that of the display area 5 of the cache. These two segments which are symmetrical by a 180 ° rotation are both referenced Q3. The other two horizontal segments have the same color as the cache. They are also symmetrical by a rotation of 180 ° and they are referenced Q3 '.

On peut observer encore sur la figure qu'un segment Q2 et un segment Q2' sont arrêtés directement sous les deuxièmes ouvertures B2C et B2E. On comprendra que les segments Q2 et Q2' constituent des morceaux de caractères qui sont agencés pour former le chiffre 2 en association avec le troisième caractère incomplet B2.It can still be seen in the figure that a segment Q2 and a segment Q2 'are stopped directly under the second openings B2C and B2E. It will be understood that the segments Q2 and Q2 'are pieces of characters which are arranged to form the number 2 in association with the third incomplete character B2.

Le déroulement d'un cycle complet des dizaines va maintenant être décrit. Le cycle complet des dizaines est formé de la séquence des chiffres 0 et 1 affichés par la deuxième plaque supérieure 12, suivie de la séquence des chiffres 2 et 3 affichés par la deuxième plaque inférieure 13 en association avec le troisième caractère incomplet B2 de la plaque supérieure. Le cycle commence avec la deuxième plaque supérieure 12 orientée de telle manière que le caractère B0 (le chiffre 0) se trouve à droite en bas. Dans cette position angulaire, le chiffre 0 apparaît à travers les quatrièmes ouvertures 9A, 9B, 9C, 9D, 9E et 9F du cache. On remarquera également que le caractère B0 comporte un segment auxiliaire qui a la même couleur que la zone d'affichage 5 du cache et dont la présence a pour effet d'occulter la quatrième ouverture 9G qui ne participe pas à l'indication du chiffre 0.The course of a complete cycle of tens will now be described. The complete cycle of tens is formed by the sequence of digits 0 and 1 displayed by the second upper plate 12, followed by the sequence of digits 2 and 3 displayed by the second lower plate 13 in association with the third incomplete character B2 of the plate. higher. The cycle begins with the second upper plate 12 oriented so that the character B0 (the number 0) is at the bottom right. In this angular position, the digit 0 appears through the fourth openings 9A, 9B, 9C, 9D, 9E and 9F of the cache. It will also be noted that the character B0 comprises an auxiliary segment which has the same color as the display zone 5 of the mask and the presence of which has the effect of obscuring the fourth opening 9G which does not participate in the indication of the digit 0 .

Lorsque la deuxième plaque supérieure effectue ensuite un pas de 120° dans le sens horaire, le caractère B1 vient prendre la place du caractère B0 et le chiffre 1 apparaît à travers les quatrièmes ouvertures 9B et 9C. On notera que pendant cette première partie du cycle, les morceaux de caractères Q2, Q2', Q3 et Q3' portés par la deuxième plaque inférieure 13 sont masqués par la plaque supérieure 12. Ainsi, la plaque inférieure n'intervient pas dans l'affichage, et sa position angulaire ne joue donc aucun rôle.When the second upper plate then proceeds 120 ° in the clockwise direction, the character B1 takes the place of the character B0 and the number 1 appears through the fourth openings 9B and 9C. It will be noted that during this first part of the cycle, the pieces of characters Q2, Q2 ', Q3 and Q3' carried by the second lower plate 13 are masked by the upper plate 12. Thus, the lower plate does not intervene in the display, and its angular position therefore plays no role.

Ensuite, lorsque la deuxième plaque supérieure effectue encore un pas dans le sens horaires, la figure B2 vient se placer en bas à gauche (comme représenté dans la figure 2A) et le troisième caractère incomplet apparaît à travers les quatrièmes ouvertures. De plus, les deuxièmes ouvertures B2C et B2E sont immobilisées directement en dessous des quatrièmes ouvertures 9C et 9E. L'une des paires de segments Q2-Q2' ou Q3-Q3' peut apparaître à travers les deuxièmes ouvertures (dans la figure 2A comme on l'a vu, c'est la paire Q2-Q2' qui apparaît). On comprendra que pour indiquer le chiffre 2, il faut que la deuxième plaque inférieure 13 soit orientée de manière à ce que les les segments Q2 et Q2' soient placés directement sous les premières ouvertures B2C et B2E.Then, when the second upper plate takes another step in the clockwise direction, Figure B2 is placed on the lower left (as shown in Figure 2A ) and the third character incomplete appears through the fourth openings. In addition, the second openings B2C and B2E are immobilized directly below the fourth openings 9C and 9E. One of the pairs of segments Q2-Q2 'or Q3-Q3' may appear through the second openings (in the Figure 2A as we have seen, it is the pair Q2-Q2 'which appears). It will be understood that to indicate the number 2, it is necessary that the second bottom plate 13 is oriented so that the segments Q2 and Q2 'are placed directly under the first openings B2C and B2E.

Ensuite, lorsque la deuxième plaque inférieure 13 effectue un pas de 90°. Les segments Q2 et Q2' s'orientent à l'horizontale et les segments Q3 et Q3' deviennent verticaux. Une paire de segments Q3-Q3' se substitue à la paire de segments Q2-Q2' sous les ouvertures B2C et B2E (cf. Figure 4A). Le segment Q3 apparaît à travers la deuxième ouverture B2C et le segment Q3' est visible à travers l'ouverture B2E. On comprendra que le segment Q3 complète le troisième caractère incomplet B2 de manière à en faire un 3. Le segment Q3' se trouve juste en dessous des ouvertures B2E et 9E superposées. Comme sa couleur correspond à celle du cache, sa présence a pour effet d'occulter la quatrième ouverture 9E. Il est important de noter que la deuxième plaque supérieure ne change pas d'orientation lorsque l'affichage des dizaines passe du 2 au 3.Then, when the second bottom plate 13 takes a step of 90 °. The segments Q2 and Q2 'are oriented horizontally and the segments Q3 and Q3' become vertical. A pair of segments Q3-Q3 'replaces the pair of segments Q2-Q2' under the openings B2C and B2E (cf. Figure 4A ). The segment Q3 appears through the second opening B2C and the segment Q3 'is visible through the opening B2E. It will be understood that the segment Q3 completes the third incomplete character B2 so as to make it a 3. The segment Q3 'is just below the superposed openings B2E and 9E. As its color corresponds to that of the cache, its presence has the effect of obscuring the fourth opening 9E. It is important to note that the second top plate does not change orientation when the tens display changes from 2 to 3.

On a dit plus haut qu'un but de l'invention était de simplifier les opérations nécessaires pour mettre un dispositif d'affichage « grande date » à jour suite à la fin d'un mois de moins de 31 jours. Comme on peut le vérifier en comparant la figure 2A à la figure 2b, la figure 3A à la figure 3B, la figure 4A à la figure 4B, et enfin la figure 5A à la figure 5B, le passage au premier jour du mois suivant ce fait par un unique saut de la première et de la deuxième plaque supérieure.It has been said above that an object of the invention was to simplify the operations necessary to bring a "big date" display device up to date following the end of a month of less than 31 days. As can be verified by comparing the Figure 2A to the figure 2b , the figure 3A to the figure 3B , the Figure 4A to the Figure 4B , and finally the Figure 5A to the Figure 5B , the passage to the first day of the month following this fact by a single jump of the first and second upper plate.

Les figures 2A et 2B montrent que le dispositif d'affichage grande date permet de passer sans transition de l'indication du quantième 28 à celle du 1 en faisant tourner la première plaque supérieure 2 d'un pas dans le sens antihoraire et la deuxième plaque supérieure 12 d'un pas dans le sens horaire. Les figures 3A et 3B montrent que le dispositif d'affichage grande date permet également de passer sans transition de l'indication du quantième 29 à celle du 1 en faisant tourner la première plaque supérieure 2 d'un pas dans le sens antihoraire et la deuxième plaque supérieure 12 d'un pas dans le sens horaire. Les figures 4A et 4B montrent que le dispositif d'affichage grande date permet encore de passer sans transition de l'indication du quantième 30 à celle du 1 en faisant tourner la première plaque supérieure 2 d'un pas dans le sens antihoraire et la deuxième plaque supérieure 12 d'un pas dans le sens horaire. Finalement, les figures 5A et 5B montrent que le dispositif d'affichage grande date permet de passer sans transition de l'indication du quantième 31 à celle du 1 sans faire tourner la première plaque supérieure 2, mais uniquement en faisant avancer d'un pas la deuxième plaque supérieure 12.The Figures 2A and 2B show that the large date display device can pass without transition from the indication of the date 28 to that of the 1 by rotating the first upper plate 2 of a pitch in the counterclockwise direction and the second upper plate 12 of a not clockwise. The Figures 3A and 3B show that the large date display device also makes it possible to pass without transition from the indication of the date 29 to that of the 1 by rotating the first upper plate 2 one step in the counterclockwise direction and the second upper plate 12 of one step clockwise. The Figures 4A and 4B show that the large date display device still allows to go without transition from the date indication 30 to that of the 1 by rotating the first upper plate 2 of a pitch in the counterclockwise direction and the second upper plate 12 of one step clockwise. Finally, Figures 5A and 5B show that the large-date display device makes it possible to pass without transition from the indication of the date 31 to that of the 1 without rotating the first upper plate 2, but only by advancing the second upper plate 12 by one step.

On comprendra en outre que diverses modifications et/ou améliorations évidentes pour un homme du métier peuvent être apportées aux modes de réalisation qui font l'objet de la présente description sans sortir du cadre de la présente invention définie par les revendications annexées. En particulier, au lieu de porter uniquement des morceaux de caractères, la première et la deuxième plaque inférieure pourraient porter des chiffres entiers. A savoir les chiffres « 8 », « 9 » et « 0 » régulièrement espacés sur la première plaque inférieure et les chiffres « 2 » et « 3 » sur la deuxième plaque inférieure. Dans ces conditions, le huitième caractère de la première plaque supérieure et le troisième caractère de la deuxième plaque supérieure pourraient être tout simplement absents et être remplacés chacun par une ouverture suffisamment grande pour permettre de voire entièrement un chiffre porté par la plaque inférieure.It will be further understood that various modifications and / or improvements obvious to those skilled in the art can be made to the embodiments which are the subject of the present description without departing from the scope of the present invention defined by the appended claims. In particular, instead of wearing only pieces of characters, the first and second lower plates could carry whole numbers. Namely the numbers "8", "9" and "0" regularly spaced on the first lower plate and the numbers "2" and "3" on the second lower plate. Under these conditions, the eighth character of the first upper plate and the third character of the second upper plate could simply be absent and replaced each by an opening large enough to allow even fully a figure carried by the lower plate.

Claims (5)

  1. "Grand date" display device arranged to be actuated by a date mechanism for a timepiece and comprising tens indication means arranged to selectively display four distinct indications, and units indication means arranged to selectively display the numerals from 1 to 9 and zero; characterized in that the units indication means comprise:
    - a first upper plate (2) and a first lower plate (3) at least partially superposed in a display area (5), the first upper plate being arranged to rotate in steps about an axis and bearing, a series formed of the following regularly angularly spaced eight characters: seven characters respectively formed by the numerals 1, 2, 3, 4, 5, 6 and 7 and an incomplete or absent eighth character, the eighth character being associated with at least a first opening (A8E, A8G) revealing the lower plate (3), the first lower platebeing arranged to rotate in steps about an axis and comprising, regularly angularly spaced characters or pieces of characters (P8, P9, P0), arranged to be visible when superposed in the display area, on said at least one first opening of the first upper plate (2),
    the first upper plate (2) and the first lower plate (3) being arranged to be driven to display in succession in the display area (5), first of all a complete first cycle formed of the sequence of numerals 1, 2, 3, 4, 5, 6, 7 displayed by the first upper plate, and then the sequence of numerals 8, 9, 0 each formed by superposing one of said characters or pieces of characters (P8, P9, P0) of the first lower plate (3) on said at least one first opening (A8E, A8G) associated with the eighth character of the first upper plate (2), then a second complete cycle identical to the first complete cycle, and then another third irregular cycle formed of the sequences of numerals 1, 2, 3, 4, 5, 6, 7, completed, according to the length of the current month, first by all or part of said series of numerals 8, 9, 0, then finally, if necessary, the numeral 1 displayed by the first upper plate.
  2. "Grand date" display device according to claim 1, wherein the tens indication means comprise a second upper plate (12) and a second lower plate (13) at least partially superposed in a display area (5), the second upper plate comprising the following three regularly angularly spaced characters: a first character formed by the numeral 0, or alternatively by an empty space, a second character formed by the numeral 1, and an absent or incomplete third character associated with at least one second opening revealing said second lower plate, the second lower plate comprising regularly angularly spaced characters or pieces of characters (Q2, Q2', Q3, Q3') arranged to be visible when superposed, in the display area, on said at least one second opening (B2C, B2E) of the second lower plate,
    the second upper plate (12) and the second lower plate (13) being arranged to be driven to display in succession in the display area (5), first of all the numeral "0", or alternatively an empty space, while the units indication means display the first complete cycle, then the numeral "1" when the units indication means display the second complete cycle, then to display the numeral 2 formed by superposing one of said characters or pieces of characters (Q2, Q2', Q3, Q3') of the second lower plate on said at least one second opening (B2C, B2E) associated with the third character of the second upper plate when the units display means display the third irregular cycle and finally, if the units display means display the numeral 1 in addition to the irregular cycle, to simultaneously display the numeral 3 formed by superposing one of said characters or pieces of characters of the second lower plate on said at least one second opening associated with third character of the second upper plate.
  3. "Grand date" display device according to claim 1 or 2, wherein the first lower plate (3) bears a pattern including segments, one of said segments being arranged to stop in the display area (5) immediately beneath one of said first openings (A8E, A8G) so that said segment appears in the display area in combination with the incomplete eighth character (A8), so as to form a numeral to be displayed.
  4. "Grand date" display device according to claim 1 or 2, comprising a cover arranged to conceal the first upper plate (2) and the first lower plate (3), and wherein the characters of the series borne by the first upper plate are intertwined, the cover comprising a display area (5) having a plurality of third openings (7A, 7B, 7c, 7D, 7E, 7F, 7G) distributed over an outline matching the superposed characters of the series of characters borne by the first upper plate (2), the characters being intended to appear in succession through the third openings during the rotation of the first upper plate, and the third openings being arranged to reveal only one character at a time in the display area.
  5. "Grand date" display device according to claim 1 or 2, wherein the first lower plate (3) also comprises the regularly angularly distributed characters "8", "9" and "0" arranged to be visible through the first opening when said characters are immediately beneath the first opening in the display area.
EP14191899.5A 2014-11-05 2014-11-05 Large date display device for a clock piece Active EP3018537B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP14191899.5A EP3018537B1 (en) 2014-11-05 2014-11-05 Large date display device for a clock piece
RU2015147304A RU2619734C2 (en) 2014-11-05 2015-11-03 Device for displaying clock dates with signs of large size
US14/930,998 US9383723B2 (en) 2014-11-05 2015-11-03 Grand date display device for a timepiece
CN201510741803.7A CN105573097B (en) 2014-11-05 2015-11-04 Big device displaying calendar date for clock and watch
JP2015216434A JP6283339B2 (en) 2014-11-05 2015-11-04 Grand date display device for watches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14191899.5A EP3018537B1 (en) 2014-11-05 2014-11-05 Large date display device for a clock piece

Publications (2)

Publication Number Publication Date
EP3018537A1 EP3018537A1 (en) 2016-05-11
EP3018537B1 true EP3018537B1 (en) 2017-07-19

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EP14191899.5A Active EP3018537B1 (en) 2014-11-05 2014-11-05 Large date display device for a clock piece

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US (1) US9383723B2 (en)
EP (1) EP3018537B1 (en)
JP (1) JP6283339B2 (en)
CN (1) CN105573097B (en)
RU (1) RU2619734C2 (en)

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Publication number Priority date Publication date Assignee Title
RU2698529C1 (en) * 2018-09-06 2019-08-28 Общество с ограниченной ответственностью "Константин Чайкин" Clock with date calendar and a set of such clocks
EP3637198A1 (en) * 2018-10-10 2020-04-15 Blancpain SA Mechanical digital display for a timepiece

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DE1673676B1 (en) * 1967-05-03 1972-05-31 Walter Dr Nissen DATE DISPLAY DEVICE
CH615274A4 (en) * 1974-05-06 1976-12-31
JPS51880U (en) * 1974-06-20 1976-01-06
CH688671B5 (en) 1995-05-15 1998-07-15 Ulysse Nardin S.A. D`affichage mechanism of the date.
CH695397A5 (en) * 2002-04-15 2006-04-28 Richemont Int Sa Device date display.
EP1369753A1 (en) * 2002-06-06 2003-12-10 Zenith International SA Timepiece with date display
CN2560008Y (en) * 2002-07-26 2003-07-09 杭州手表有限公司 Clock or watch mechanical program type calendar
DE602004019892D1 (en) * 2003-04-02 2009-04-23 Ronda Ag MONTH DAY MONTECHANISM FOR WATCH MOVEMENT
CH700720B1 (en) * 2003-06-23 2010-10-15 Ronda Ag Gear for watch movement and date display mechanism provided with such a gear.
JP2005214836A (en) * 2004-01-30 2005-08-11 Seiko Instruments Inc Timepiece with calendar mechanism including two day wheels
JP4626972B2 (en) * 2004-12-22 2011-02-09 セイコーインスツル株式会社 A watch with a calendar mechanism including a first day wheel and a second day wheel
JP4745918B2 (en) * 2005-08-29 2011-08-10 セイコーインスツル株式会社 Clock with calendar mechanism that displays the date with multiple date wheels
FR2893726B1 (en) * 2005-11-21 2008-01-18 Sylvain Boileau QUANTIME DISPLAY MECHANISM FOR WATCHES
DE602008005300D1 (en) * 2008-08-11 2011-04-14 Blancpain Sa Date mechanism with large date display for watches
CH702080A2 (en) * 2009-10-28 2011-04-29 Bethune Sa De Digital display for movement of e.g. watch, to display hour in large aperture, has lower and upper disks displaced angularly with respect to each other and along specific degree variable step in counter clockwise direction

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US20160124386A1 (en) 2016-05-05
US9383723B2 (en) 2016-07-05
JP6283339B2 (en) 2018-02-21
CN105573097B (en) 2017-12-12
RU2619734C2 (en) 2017-05-17
CN105573097A (en) 2016-05-11
JP2016090585A (en) 2016-05-23
EP3018537A1 (en) 2016-05-11
RU2015147304A (en) 2017-05-11

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