EP0735442B1 - Analogic electronic time piece with multifunctional date disc - Google Patents

Analogic electronic time piece with multifunctional date disc Download PDF

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Publication number
EP0735442B1
EP0735442B1 EP96104472A EP96104472A EP0735442B1 EP 0735442 B1 EP0735442 B1 EP 0735442B1 EP 96104472 A EP96104472 A EP 96104472A EP 96104472 A EP96104472 A EP 96104472A EP 0735442 B1 EP0735442 B1 EP 0735442B1
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EP
European Patent Office
Prior art keywords
display
time
signal
time information
circuit
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.)
Expired - Lifetime
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EP96104472A
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German (de)
French (fr)
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EP0735442A1 (en
Inventor
Nicolas Jeannet
Pierre Schmidli
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ETA SA Manufacture Horlogere Suisse
Ebauchesfabrik ETA AG
Original Assignee
Ebauchesfabrik ETA AG
Eta SA Fabriques dEbauches
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Publication of EP0735442A1 publication Critical patent/EP0735442A1/en
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • G04C17/005—Indicating the time optically by electric means by discs
    • G04C17/0058—Indicating the time optically by electric means by discs with date indication
    • G04C17/0066—Indicating the time optically by electric means by discs with date indication electromagnetically driven, e.g. intermittently
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • G04C3/146—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor incorporating two or more stepping motors or rotors

Definitions

  • the present invention relates to a timepiece analog electronic with date disc multifunctional to display, in addition to the time current, at least two other time information by means of different symbols carried by the same disc mobile or fixed.
  • timepieces with a disc rotary divided into 31 consecutive positions representative of the date which can also give the request a horometric information other than the calendar of the month current.
  • a timepiece of this type is notably described in patent CH 663 512.
  • the exemplary embodiment relates more particularly a timepiece in which the clock signal of the timepiece circuit is operated by a management unit for a perpetual calendar circuit including day, month and year counters allowing to control the rotation of a disc of dates to one of the first twelve positions corresponding to the number of the current month.
  • Others say variants it is also planned to use the seven first positions to indicate the day number of the week or the first four to indicate the number of the annual cycle in a four-year cycle.
  • Such device offers the advantage of providing a construction mechanical simpler than previously known in which time information were displayed using dials, discs or different crowns.
  • this device has the drawback, for an average attention user, to leave it in uncertainty about the information he reads being given that for example the same number 11 can as well represent the 11th day of any month that the 11th month of the current year.
  • timepieces having a disc or crown divided into more than 31 equal sectors.
  • the disc calendar includes a 32nd position intended for indicate the end of the battery life of the timepiece, position which cannot provide any horometric information since it is not all subject to the time base.
  • EP 0 366 610 describes for example a watch provided with a crown divided into 52 equal sectors to indicate the rank of the week of the current year.
  • the document CH 557 052 describes a watch comprising a divided disc in equal sectors numbered from 1 to 49.
  • Such devices have the same disadvantages as those indicated previously if we were considering using some of these positions to display other information horometric.
  • time indicators known from the prior art possibly allow display more than one category of information horometric, but only by means of symbols of the same nature, regularly spaced over the whole or over a part of a disc, with a possible risk of confusion as for the nature of the information displayed, the area possibly devoid of symbols delivering no additional time information.
  • the present invention aims to overcome the disadvantages of this prior art by providing a timepiece in which the date disc has at least two display areas supporting symbols of different natures so as to allow display on demand, clearly and without risk of confusion, at least two different categories time information.
  • a timepiece comprises a first display for the current time, by means of hands driven by a motor M 1 , and a second display by disc and indicator movable one relative to the other by means of a second two-way stepping motor M 2 for displaying at least two other time information.
  • the master unit is provided with calendar counters and a multiplexer and delivers in response to the signals S j and S k a reference signal S c representative of the rank of said information on the second display.
  • the slave block is provided with a counter delivering to a comparator-subtractor a disk signal S D representative of the value of the instantaneous rank of the displayed time information.
  • the present invention is characterized in that the comparator-subtractor also receives the setpoint signal S c and delivers at its output a signal S R making it possible both to define the direction of rotation of a motor pitch of the motor M 2 by means of a drive circuit and incrementing or decrementing the counter of the slave block repeatedly until the disk signal S D is equal to the reference signal S c .
  • the invention is also characterized in that the second display has at least two separate areas with different symbols for each category horometric information, the symbols of said zones occupying successive rows on said display.
  • the second display can consist of a disc rotary bringing the symbols next to a counter, or a needle moving next to symbols carried by a fixed disk.
  • date disc must be understood in the broad sense, that is to say as designating a disc with any number of positions. But according to a preferred embodiment one of the zones has 31 positions for the agenda numbers in the month.
  • the same timepiece according to the invention may for example have 35 positions to display the date in Arabic numerals on 31 positions and the annual cycle number in Roman numerals on the 4 next positions, or 38 positions to display the date and the day of the week by means of one or several letters, i.e. another 50 positions allowing display the date, the day of the week and the name of the month.
  • this horometric information of different natures can be called by successive presses, by example, on the crown, or by a single press allowing the linking of said information horometric in a predetermined order with a return automatic to preferential time information, such as the calendar for the current month.
  • the duration display of each time information is set by a timer incorporated into said circuit of interpretation.
  • a watch according to the invention comprises a first permanent display, a second display which can be modified on request and at least one external control member.
  • the permanent display is conventionally constituted by an hour hand 1, a minute hand 2 and a second hand 3, driven by a classic clockwork movement by a one-way motor M 1 .
  • the display on demand consists of a date disc 5 having a display 4 comprising a total of 35 regularly spaced positions which can be brought opposite a window 6 by means of a two-way motor M 2 , controlled by a circuit management of a perpetual calendar.
  • Display 4 is divided into two zones 4a and 4b comprising respectively Arabic numerals from 1 to 31 for the agenda numbers in the month and Roman numerals I, II, III and IV for the position of the year ongoing in a 4 year cycle.
  • the control member is constituted by the crown on which pressures can be exerted.
  • a short press makes it possible to replace the date display "11" in the window with the annual cycle number, for example "III", a new press bringing the display back to its initial state "11".
  • the display of the annual cycle "III” is displayed for a predetermined duration, for example 8 seconds, and the disc automatically returns to the preferred display of the date "11".
  • the crown also makes it possible to carry out, by appropriate maneuvers, the correction of the time information and the manual resynchronization of the time indicator in the event of loss of motor steps, in the case where the timepiece is not provided an automatic resynchronization, for example by means of a contact which is established when the first position is on the display.
  • the electronic circuit shown in Figure 2 schematically shows the components of the three modules necessary for the operation of a timepiece according to the invention.
  • the first module is a guard circuit time 10
  • the second module 20 (master block) forms with the third module 30 (slave block) a circuit perpetual calendar.
  • the timepiece circuit 10 comprises, in known manner, an oscillator 11 stabilized in frequency by a quartz resonator 12 supplying a signal, for example from 32768 Hz to a frequency divider 13.
  • the frequency divider 13 delivers a first signal S 1 for the drive circuit 14 controlling a first motor M 1 driving the hands 1, 2, 3 of an analog display. It also delivers a second daily signal S j intended to increment the master block 20.
  • the signal S j can also be obtained by processing a signal S M emitted by a mechanical contact linked to the drive of the needles, said contact closing every 12 hours.
  • the master block 20 comprises binary counters 21, 22, 23 assembled in the usual manner not shown, for the days of the month (S bits), the months (4 bits) and the years (2 bits). It also receives, via a circuit 15 for interpreting the manipulations carried out at the crown 9, a signal S k representative of the time information to be displayed by the rotary disc 5.
  • the contents of the counters 21, 22 and 23 are read in a multiplexer 24 which delivers at its output a signal S c representative of a value called "set point value", intended for the "slave block” 30.
  • This set value is representative of the rank occupied by the time information corresponding to the signal S k on the display 4 of the disc 5.
  • the slave block 30 includes a disk counter 31 in which the last position displayed in the window 6 is stored.
  • the counter 31 comprises as many bits as necessary to memorize all the disk positions. In this example, the counter 31 therefore comprises 6 bits for the 35 positions 1 to 31, I to IV, the positions I to IV therefore being represented in the counter by the rows 32 to 35.
  • the counter 31 delivers at its output a signal S D representative of the disc value.
  • the signals S c and S D are read in a comparator-subtractor 32 which delivers at its output a signal S R which determines the direction of rotation of the second motor M 2 , driven by a motor pitch via the circuit of attack 33.
  • the signal S R will also make it possible to increment or decrement the counter 31 which will therefore contain a new disk value. The same operation will continue repeatedly until the disk value is equal to the set value. In other words, the signal S R will be at level 0 and the motor M 2 will no longer receive a driving pulse.
  • the reference value of the comparator-subtractor 32 used to determine which will be the shortest path is
  • the display indicates the 11th day of a month, that is to say a disc value equal to 11.
  • the annual cycle number assumed to be equal to III
  • the difference 34 - ll 23 is compared in the comparator-subtractor at
  • the new disk value will again be subtracted from the unchanged set value, and the operation will continue repeatedly until the disk value is equal at the set value and the disc rotation is stopped to display III.
  • the drive circuit 33 can be adapted to execute the motor M 2 as many steps as necessary to move from one position on the disc to the next position.
  • the multiplexer 24 could be modified to take into account the space occupied by the symbols of each zone on the display.
  • FIG. 3 represents another example of a timepiece according to the invention comprising 38 useful positions, provided with a fixed disc 7 and an indicator constituted by a central hand 8.
  • the display 4 is divided into two zones 4a and 4b corresponding respectively to 31 positions for the dates and to 7 positions for the days of the week represented by their first three letters.
  • the angular sectors of the positions of the zone 4b being larger than those of the positions of the zone 4a, the gear toothed drive will comprise for example 83 teeth, so that a position of the zone 4a corresponds to 2 teeth and that a position in zone 4b corresponds to 3 teeth.
  • the master unit 20 includes an additional counter for the 7 days of the week and the multiplexer 24 is modified so that the setpoint signal S c takes into account the number of steps different from each zoned.

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

Description

La présente invention concerne une pièce d'horlogerie électronique analogique à disque de quantième multifonctionnel permettant d'afficher, en plus de l'heure courante, au moins deux autres informations horométriques au moyen de symboles différents portés par un même disque mobile ou fixe.The present invention relates to a timepiece analog electronic with date disc multifunctional to display, in addition to the time current, at least two other time information by means of different symbols carried by the same disc mobile or fixed.

Outre la fonction première d'une pièce d'horlogerie qui est d'indiquer l'heure courante, il est très souvent souhaité d'avoir également d'autres informations horométriques, tel que le quantième, le numéro de cycle annuel ou le nom du mois en cours.Besides the primary function of a timepiece which is to indicate the current time it is very often wished to also have other information horometric, such as the date, the cycle number annual or the name of the current month.

Pour fournir de telles informations horométriques, on connaít déjà des pièces d'horlogerie comportant un disque rotatif divisé en 31 positions consécutives représentatives des quantièmes, certaines desdites positions pouvant également donner à la demande une information horométrique autre que le quantième du mois courant. Une pièce d'horlogerie de ce type est notamment décrite dans le brevet CH 663 512. Dans ce document le mode de réalisation donné à titre d'exemple concerne plus particulièrement une pièce d'horlogerie dans laquelle le signal d'horloge du circuit garde temps est exploité par une unité de gestion d'un circuit calendrier perpétuel comprenant des compteurs de jours, de mois et d'années permettant de commander la rotation d'un disque des quantièmes jusqu'à l'une des douze premières positions correspondant au numéro du mois courant. Selon d'autres variantes, il est également prévu d'utiliser les sept premières positions pour indiquer le numéro du jour de la semaine ou les quatre premières pour indiquer le numéro du cycle annuel dans un cycle de quatre ans. Un tel dispositif offre l'avantage de procurer une construction mécanique plus simple que les dispositifs antérieurement connus dans lesquels des informations horométriques différentes étaient affichées au moyen de cadrans, de disques ou de couronnes différentes.To provide such time information, already knows timepieces with a disc rotary divided into 31 consecutive positions representative of the date, some of the said positions which can also give the request a horometric information other than the calendar of the month current. A timepiece of this type is notably described in patent CH 663 512. In this document the exemplary embodiment relates more particularly a timepiece in which the clock signal of the timepiece circuit is operated by a management unit for a perpetual calendar circuit including day, month and year counters allowing to control the rotation of a disc of dates to one of the first twelve positions corresponding to the number of the current month. Others say variants it is also planned to use the seven first positions to indicate the day number of the week or the first four to indicate the number of the annual cycle in a four-year cycle. Such device offers the advantage of providing a construction mechanical simpler than previously known in which time information were displayed using dials, discs or different crowns.

Ce dispositif présente par contre l'inconvénient, pour un utilisateur d'attention moyenne, de le laisser dans l'incertitude quant à l'information qu'il lit étant donné que, par exemple le même chiffre 11 peut aussi bien représenter le 11ème jour d'un mois quelconque que le 11ème mois de l'année en cours.However, this device has the drawback, for an average attention user, to leave it in uncertainty about the information he reads being given that for example the same number 11 can as well represent the 11th day of any month that the 11th month of the current year.

On connaít par ailleurs des pièces d'horlogerie comportant un disque ou une couronne divisée en plus de 31 secteurs égaux. Dans le document EP 0 621 519, le disque de quantième comprend une 32ème position destinée à indiquer la fin de vie de la pile d'alimentation de la pièce d'horlogerie, position qui ne peut fournir aucune information horométrique étant donné qu'elle n'est pas du tout asservie à la base de temps. Le document EP 0 366 610 décrit par exemple une montre pourvue d'une couronne divisée en 52 secteurs égaux pour indiquer le rang de la semaine de l'année en cours. De façon analogue le document CH 557 052 décrit une montre comportant un disque divisé en secteurs égaux numérotés de 1 à 49. De tels dispositifs présenteraient les mêmes inconvénients que ceux indiqués précédemment si on envisageait d'utiliser certaines de ces positions pour afficher une autre information horométrique.We also know timepieces having a disc or crown divided into more than 31 equal sectors. In document EP 0 621 519, the disc calendar includes a 32nd position intended for indicate the end of the battery life of the timepiece, position which cannot provide any horometric information since it is not all subject to the time base. EP 0 366 610 describes for example a watch provided with a crown divided into 52 equal sectors to indicate the rank of the week of the current year. Analogously the document CH 557 052 describes a watch comprising a divided disc in equal sectors numbered from 1 to 49. Such devices have the same disadvantages as those indicated previously if we were considering using some of these positions to display other information horometric.

Plusieurs documents décrivent enfin des dispositifs dans lesquels les quantièmes du mois occupent 31 positions sur une couronne comprenant 35 secteurs égaux destinés à être mis en coïncidence avec 35 secteurs égaux d'une autre couronne sur laquelle sont inscrits les jours de cinq semaines consécutives. Les quatre secteurs laissés libres par les quantièmes ne sont utilisés pour aucune autre fonction horométrique. De telles pièces d'horlogerie sont par exemple décrites dans les documents FR 996 795 et CH 667 965. De façon analogue le brevet US 3760 585 décrit une pièce d'horlogerie dans laquelle 9 positions sont laissées libres entre les quantièmes portant les numéros 1 et 31.Several documents finally describe devices in which the calendar of the month occupies 31 positions on a crown comprising 35 equal sectors intended for to be coincident with 35 equal sectors of another crown on which the days of five are inscribed consecutive weeks. The four sectors left free by the date are not used for any other time function. Such timepieces are for example described in documents FR 996 795 and CH 667,965. Similarly, US Pat. No. 3,760,585 describes a timepiece in which 9 positions are left free between the dates bearing the numbers 1 and 31.

Dans le document FR 2 605 118, quatre zones correspondent à 12 pas interdits et ne délivrent donc aucune information horométrique.In document FR 2 605 118, four zones correspond to 12 prohibited steps and therefore do not deliver no time information.

Comme on le voit, les indicateurs horométriques connus de l'art antérieur permettent éventuellement d'afficher plus d'une catégorie d'informations horométriques, mais seulement au moyen de symboles de même nature, régulièrement espacés sur la totalité ou sur une partie d'un disque, avec un risque de confusion possible quant à la nature de l'information affichée, la zone éventuellement dépourvue de symboles ne délivrant aucune information horométrique additionnelle.As we can see, the time indicators known from the prior art possibly allow display more than one category of information horometric, but only by means of symbols of the same nature, regularly spaced over the whole or over a part of a disc, with a possible risk of confusion as for the nature of the information displayed, the area possibly devoid of symbols delivering no additional time information.

La présente invention vise à pallier les inconvénients de cet art antérieur en fournissant une pièce d'horlogerie dans laquelle le disque de quantièmes comporte au moins deux zones d'affichage supportant des symboles de natures différentes de façon à permettre d'afficher à la demande, clairement et sans risque de confusion, au moins deux catégories différentes d'informations horométriques.The present invention aims to overcome the disadvantages of this prior art by providing a timepiece in which the date disc has at least two display areas supporting symbols of different natures so as to allow display on demand, clearly and without risk of confusion, at least two different categories time information.

A cet effet, une pièce d'horlogerie selon l'invention comporte un premier affichage pour l'heure courante, au moyen d'aiguilles entraínées par un moteur M1, et un deuxième affichage par disque et indicateur mobiles l'un par rapport à l'autre au moyen d'un deuxième moteur M2 pas à pas double sens pour l'affichage d'au moins deux autres informations horométriques.To this end, a timepiece according to the invention comprises a first display for the current time, by means of hands driven by a motor M 1 , and a second display by disc and indicator movable one relative to the other by means of a second two-way stepping motor M 2 for displaying at least two other time information.

La pièce d'horlogerie comprend :

  • un circuit garde-temps et un circuit d'attaque du moteur M1 pour l'affichage de l'heure délivrant un signal journalier Sj
  • un circuit d'interprétation des manipulations d'un organe de commande extérieur délivrant un signal Sk représentatif d'une ou plusieurs informations horométriques devant être affichées
  • un circuit de gestion d'un calendrier perpétuel comprenant une première unité dite "bloc maítre" et une deuxième unité dite "bloc esclave".
The timepiece includes:
  • a time-keeping circuit and a motor driving circuit M 1 for displaying the time delivering a daily signal S j
  • a circuit for interpreting the manipulations of an external control unit delivering a signal S k representative of one or more time information to be displayed
  • a circuit for managing a perpetual calendar comprising a first unit called "master block" and a second unit called "slave block".

Le bloc maítre est pourvu de compteurs calendrier et d'un multiplexeur et délivre en réponse aux signaux Sj et Sk un signal de consigne Sc représentatif du rang de ladite information sur le deuxième affichage.The master unit is provided with calendar counters and a multiplexer and delivers in response to the signals S j and S k a reference signal S c representative of the rank of said information on the second display.

Le bloc esclave est pourvu d'un compteur délivrant à un comparateur-soustracteur un signal de disque SD représentatif de la valeur du rang instantané de l'information horométrique affichée.The slave block is provided with a counter delivering to a comparator-subtractor a disk signal S D representative of the value of the instantaneous rank of the displayed time information.

La présente invention est caractérisée en ce que le comparateur-soustracteur reçoit également le signal de consigne Sc et délivre à sa sortie un signal SR permettant à la fois de définir le sens de rotation d'un pas moteur du moteur M2 au moyen d'un circuit d'attaque et d'incrémenter ou de décrémenter le compteur du bloc esclave de façon récurrente jusqu'à ce que le signal de disque SD soit égal au signal de consigne Sc. En d'autres termes l'élément mobile du deuxième affichage est déplacé jusqu'à ce que SD = Sc, c'est-à-dire que l'information horométrique appelée soit affichée.The present invention is characterized in that the comparator-subtractor also receives the setpoint signal S c and delivers at its output a signal S R making it possible both to define the direction of rotation of a motor pitch of the motor M 2 by means of a drive circuit and incrementing or decrementing the counter of the slave block repeatedly until the disk signal S D is equal to the reference signal S c . In other words, the mobile element of the second display is moved until S D = S c , that is to say that the called time information is displayed.

L'invention est également caractérisée en ce que le deuxième affichage comporte au moins deux zones distinctes pourvues de symboles différents pour chaque catégorie d'informations horométriques, les symboles desdites zones occupant des rangs successifs sur ledit affichage.The invention is also characterized in that the second display has at least two separate areas with different symbols for each category horometric information, the symbols of said zones occupying successive rows on said display.

Le deuxième affichage peut consister en un disque rotatif amenant les symboles en regard d'un guichet, ou en une aiguille se déplaçant en regard de symboles portés par un disque fixe.The second display can consist of a disc rotary bringing the symbols next to a counter, or a needle moving next to symbols carried by a fixed disk.

Dans ce qui précède, "disque de quantième" doit être compris au sens large, c'est-à-dire comme désignant un disque comportant un nombre quelconque de positions. Mais selon un mode de réalisation préféré l'une des zones comporte 31 positions pour les numéros d'ordre du jour dans le mois.In the above, "date disc" must be understood in the broad sense, that is to say as designating a disc with any number of positions. But according to a preferred embodiment one of the zones has 31 positions for the agenda numbers in the month.

Une même pièce d'horlogerie selon l'invention pourra par exemple comporter 35 positions permettant d'afficher le quantième en chiffres arabes sur 31 positions et le numéro de cycle annuel en chiffres romains sur les 4 positions suivantes, ou 38 positions permettant d'afficher le quantième et le jour de la semaine au moyen d'une ou de plusieurs lettres, soit encore 50 positions permettant d'afficher le quantième, le jour de la semaine et le nom du mois. Selon la conception du circuit d'interprétation, ces informations horométriques de natures différentes pourront être appelées par des pressions successives, par exemple, sur la couronne, ou par une pression unique permettant l'enchaínement desdites informations horométriques selon un ordre prédéterminé avec un retour automatique à une information horométrique préférentielle, tel que le quantième du mois en cours. La durée d'affichage de chaque information horométrique est réglée par un temporisateur incorporé audit circuit d'interprétation.The same timepiece according to the invention may for example have 35 positions to display the date in Arabic numerals on 31 positions and the annual cycle number in Roman numerals on the 4 next positions, or 38 positions to display the date and the day of the week by means of one or several letters, i.e. another 50 positions allowing display the date, the day of the week and the name of the month. According to the design of the interpretation circuit, this horometric information of different natures can be called by successive presses, by example, on the crown, or by a single press allowing the linking of said information horometric in a predetermined order with a return automatic to preferential time information, such as the calendar for the current month. The duration display of each time information is set by a timer incorporated into said circuit of interpretation.

L'invention sera mieux comprise en référence aux dessins annexés correspondant à deux modes de réalisation donnés à titre d'exemples non limitatifs, dans lesquels

  • la figure 1 représente schématiquement une montre selon l'invention donnant le quantième et le numéro de cycle annuel.
  • la figure 2 représente le schéma du circuit de la montre de la figure
  • la figure 3 représente schématiquement un deuxième mode de réalisation d'une montre selon l'invention donnant le quantième et le jour de la semaine.
The invention will be better understood with reference to the accompanying drawings corresponding to two embodiments given by way of nonlimiting examples, in which
  • Figure 1 schematically shows a watch according to the invention giving the date and the annual cycle number.
  • Figure 2 shows the circuit diagram of the watch in Figure
  • FIG. 3 schematically represents a second embodiment of a watch according to the invention giving the date and the day of the week.

Comme on le voit sur la figure 1, une montre selon l'invention comporte un premier affichage permanent, un deuxième affichage pouvant être modifié sur demande et au moins un organe de commande extérieur. L'affichage permanent est constitué de façon classique par une aiguille des heures 1, une aiguille des minutes 2 et une aiguille des secondes 3, animées par un mouvement classique d'horlogerie par un moteur M1 un seul sens. L'affichage sur demande est constitué par un disque de quantièmes 5 ayant un affichage 4 comportant en tout 35 positions régulièrement espacées et pouvant être amenées en regard d'un guichet 6 au moyen d'un moteur M2 double sens, commandé par un circuit de gestion d'un calendrier perpétuel. L'affichage 4 est divisé en deux zones 4a et 4b comportant respectivement des chiffres arabes de 1 à 31 pour les numéros d'ordre du jour dans le mois et des chiffres romains I, II, III et IV pour la position de l'année en cours dans un cycle de 4 ans. Dans la montre représentée, l'organe de commande est constitué par la couronne sur laquelle des pressions peuvent être exercées. Une pression brève permet de remplacer dans le guichet l'affichage du quantième "11" par le numéro de cycle annuel, par exemple "III", une nouvelle pression ramenant l'affichage dans son état initial "11". En exerçant successivement deux pressions brèves l'affichage du cycle annuel "III" est affiché pendant une durée prédéterminée, par exemple 8 secondes, et le disque revient automatiquement à l'affichage préférentiel du quantième "11". La couronne permet également d'effectuer, par des manoeuvres appropriées, la correction des informations horométriques et la resynchronisation manuelle le de l'indicateur horométrique en cas de perte de pas moteurs, dans le cas où la pièce d'horlogerie n'est pas pourvue d'une resynchronisation automatique, par exemple au moyen d'un contact s'établissant quand la première position est à l'affichage.As can be seen in FIG. 1, a watch according to the invention comprises a first permanent display, a second display which can be modified on request and at least one external control member. The permanent display is conventionally constituted by an hour hand 1, a minute hand 2 and a second hand 3, driven by a classic clockwork movement by a one-way motor M 1 . The display on demand consists of a date disc 5 having a display 4 comprising a total of 35 regularly spaced positions which can be brought opposite a window 6 by means of a two-way motor M 2 , controlled by a circuit management of a perpetual calendar. Display 4 is divided into two zones 4a and 4b comprising respectively Arabic numerals from 1 to 31 for the agenda numbers in the month and Roman numerals I, II, III and IV for the position of the year ongoing in a 4 year cycle. In the watch shown, the control member is constituted by the crown on which pressures can be exerted. A short press makes it possible to replace the date display "11" in the window with the annual cycle number, for example "III", a new press bringing the display back to its initial state "11". By successively pressing twice briefly, the display of the annual cycle "III" is displayed for a predetermined duration, for example 8 seconds, and the disc automatically returns to the preferred display of the date "11". The crown also makes it possible to carry out, by appropriate maneuvers, the correction of the time information and the manual resynchronization of the time indicator in the event of loss of motor steps, in the case where the timepiece is not provided an automatic resynchronization, for example by means of a contact which is established when the first position is on the display.

Le circuit électronique représenté à la figure 2 montre schématiquement les composants des trois modules nécessaires au fonctionnement d'une pièce d'horlogerie selon l'invention. Le premier module est un circuit garde temps 10, et le deuxième module 20 (bloc maítre) forme avec le troisième module 30 (bloc esclave) un circuit calendrier perpétuel.The electronic circuit shown in Figure 2 schematically shows the components of the three modules necessary for the operation of a timepiece according to the invention. The first module is a guard circuit time 10, and the second module 20 (master block) forms with the third module 30 (slave block) a circuit perpetual calendar.

Le circuit garde-temps 10 comprend, de façon connue en soit, un oscillateur 11 stabilisé en fréquence par un résonateur à quartz 12 fournissant un signal, par exemple de 32768 Hz à un diviseur de fréquence 13. Le diviseur de fréquence 13 délivre un premier signal S1 pour le circuit d'attaque 14 commandant un premier moteur M1 entraínant les aiguilles 1, 2, 3 d'un affichage analogique. Il délivre aussi un deuxième signal journalier Sj destiné à incrémenter le bloc maítre 20.The timepiece circuit 10 comprises, in known manner, an oscillator 11 stabilized in frequency by a quartz resonator 12 supplying a signal, for example from 32768 Hz to a frequency divider 13. The frequency divider 13 delivers a first signal S 1 for the drive circuit 14 controlling a first motor M 1 driving the hands 1, 2, 3 of an analog display. It also delivers a second daily signal S j intended to increment the master block 20.

Le signal Sj peut également être obtenu par traitement d'un signal SM émis par un contact mécanique lié à l'entraínement des aiguilles, ledit contact se fermant toutes les 12 heures. Le bloc maítre 20 comprend des compteurs binaires 21, 22, 23 assemblés de façon usuelle non représentée, pour les jours du mois (S bits), les mois (4 bits) et les années (2 bits). Il reçoit également par l'intermédiaire d'un circuit 15 d'interprétation des manipulations effectuées à la couronne 9, un signal Sk représentatif de l'information horométrique devant être affichée par le disque rotatif 5. En fonction du signal Sk reçu, les contenus des compteurs 21, 22 et 23 sont lus dans un multiplexeur 24 qui délivre à sa sortie un signal Sc représentatif d'une valeur dite "valeur de consigne", destinée au "bloc esclave" 30. Cette valeur de consigne est représentative du rang occupé par l'information horométrique correspondant au signal Sk sur l'affichage 4 du disque 5.The signal S j can also be obtained by processing a signal S M emitted by a mechanical contact linked to the drive of the needles, said contact closing every 12 hours. The master block 20 comprises binary counters 21, 22, 23 assembled in the usual manner not shown, for the days of the month (S bits), the months (4 bits) and the years (2 bits). It also receives, via a circuit 15 for interpreting the manipulations carried out at the crown 9, a signal S k representative of the time information to be displayed by the rotary disc 5. As a function of the signal S k received, the contents of the counters 21, 22 and 23 are read in a multiplexer 24 which delivers at its output a signal S c representative of a value called "set point value", intended for the "slave block" 30. This set value is representative of the rank occupied by the time information corresponding to the signal S k on the display 4 of the disc 5.

Le bloc esclave 30 comprend un compteur de disque 31 dans lequel est mémorisée la dernière position affichée dans le guichet 6. Le compteur 31 comporte autant de bits que nécessaires pour mémoriser toutes les positions de disque. Dans cet exemple, le compteur 31 comporte donc 6 bits pour les 35 positions 1 à 31, I à IV, les positions I à IV étant donc représentées dans le compteur par les rangs 32 à 35. Le compteur 31 délivre à sa sortie un signal SD représentatif de la valeur de disque. Les signaux Sc et SD sont lus dans un comparateur-soustracteur 32 qui délivre à sa sortie un signal SR qui détermine le sens de rotation du deuxième moteur M2, entraíné d'un pas moteur par l'intermédiaire du circuit d'attaque 33. Le signal SR va également permettre d'incrémenter ou de décrémenter le compteur 31 qui contiendra donc une nouvelle valeur de disque. La même opération va se poursuivre de façon récurrente jusqu'à ce que la valeur de disque soit égale à la valeur de consigne. En d'autres termes, le signal SR sera au niveau 0 et le moteur M2 ne recevra plus d'impulsion motrice.The slave block 30 includes a disk counter 31 in which the last position displayed in the window 6 is stored. The counter 31 comprises as many bits as necessary to memorize all the disk positions. In this example, the counter 31 therefore comprises 6 bits for the 35 positions 1 to 31, I to IV, the positions I to IV therefore being represented in the counter by the rows 32 to 35. The counter 31 delivers at its output a signal S D representative of the disc value. The signals S c and S D are read in a comparator-subtractor 32 which delivers at its output a signal S R which determines the direction of rotation of the second motor M 2 , driven by a motor pitch via the circuit of attack 33. The signal S R will also make it possible to increment or decrement the counter 31 which will therefore contain a new disk value. The same operation will continue repeatedly until the disk value is equal to the set value. In other words, the signal S R will be at level 0 and the motor M 2 will no longer receive a driving pulse.

Sur le schéma du circuit qui vient d'être décrit, on a également représenté des signaux S1, S2, S3 émis par le circuit d'interprétation 15 vers le multiplexeur 24 pour effectuer, si nécessaire, des corrections dans le circuit calendrier perpétuel. On observera également qu'il n'est pas nécessaire d'interposer un décodeur entre le compteur 23 de cycle annuel à 2 bits et le multiplexeur 24, comme cela serait le cas dans le dispositif du brevet CH 663 512 précité si on voulait utiliser les 31 positions des quantièmes pour afficher le cycle annuel. L'invention procure donc à cet égard une construction simplifiée.On the circuit diagram which has just been described, there are also shown signals S 1 , S 2 , S 3 emitted by the interpretation circuit 15 towards the multiplexer 24 to effect, if necessary, corrections in the calendar circuit. perpetual. It will also be observed that it is not necessary to interpose a decoder between the 2-bit annual cycle counter 23 and the multiplexer 24, as would be the case in the device of the aforementioned patent CH 663 512 if one wanted to use the 31 calendar positions to display the annual cycle. The invention therefore provides in this respect a simplified construction.

En revenant à l'exemple de la figure 1, dans lequel le disque comporte 35 positions, la valeur de référence du comparateur-soustracteur 32 servant à déterminer quel sera le chemin le plus court est |81|. L'affichage indique le 11ème jour d'un mois, c'est-à-dire une valeur de disque égale à 11. Par une pression sur la couronne, on va appeler le numéro de cycle annuel, supposé égal à III, c'est-à-dire correspondant à une valeur de consigne de 34, et la différence 34 - ll = 23 est comparée dans le comparateur-soustracteur à |81|. Cette différence étant y supérieure à |81| le signal SR passera au niveau -1 pour provoquer l'entraínement du disque d'une position dans le sens anti-horaire. La nouvelle valeur de disque sera alors de 10 dans le compteur 31. La nouvelle valeur de disque sera à nouveau soustraite de la valeur de consigne inchangée, et l'opération se poursuivra de façon récurrente jusqu'à ce que la valeur de disque soit égale à la valeur de consigne et que la rotation du disque soit arrêtée pour afficher III. Le retour commandé ou automatique à l'affichage du quantième s'effectue selon un processus comparable à partir des valeurs de consigne et de disque qui seront respectivement Sc = ll et SD = 34.Returning to the example of FIG. 1, in which the disk has 35 positions, the reference value of the comparator-subtractor 32 used to determine which will be the shortest path is | 81 |. The display indicates the 11th day of a month, that is to say a disc value equal to 11. By pressing the crown, we will call the annual cycle number, assumed to be equal to III, c ' ie corresponding to a set value of 34, and the difference 34 - ll = 23 is compared in the comparator-subtractor at | 81 |. This difference being greater than | 81 | the signal S R will go to level -1 to cause the drive of the disc from a position counterclockwise. The new disk value will then be 10 in counter 31. The new disk value will again be subtracted from the unchanged set value, and the operation will continue repeatedly until the disk value is equal at the set value and the disc rotation is stopped to display III. The controlled or automatic return to the date display takes place according to a comparable process from the setpoint and disc values which will be S c = ll and S D = 34 respectively.

Dans ce qui précède, on a implicitement supposé que le nombre de dents de la roue entraínant le disque était le même que le nombre de positions, mais il est bien évident que le circuit d'attaque 33 peut être adapté pour faire exécuter au moteur M2 autant de pas que nécessaire pour passer d'une position sur le disque à la position suivante. De façon équivalente, le multiplexeur 24 pourrait être modifié pour prendre en compte la place occupée par les symboles de chaque zone sur l'affichage.In the above, it has been implicitly assumed that the number of teeth of the wheel driving the disc is the same as the number of positions, but it is obvious that the drive circuit 33 can be adapted to execute the motor M 2 as many steps as necessary to move from one position on the disc to the next position. Equivalently, the multiplexer 24 could be modified to take into account the space occupied by the symbols of each zone on the display.

La figure 3 représente un autre exemple d'une pièce d'horlogerie selon l'invention comprenant 38 positions utiles, pourvue d'un disque fixe 7 et d'un indicateur constitué par une aiguille centrale 8. L'affichage 4 est divisé en deux zones 4a et 4b correspondant respectivement à 31 positions pour les quantièmes et à 7 positions pour les jours de la semaine représentés par leur trois premières lettres. Les secteurs angulaires des positions de la zone 4b étant plus grands que ceux des positions de la zone 4a, la roue dentée d'entraínement comportera par exemple 83 dents, de sorte qu'une position de la zone 4a corresponde à 2 dents et qu'une position de la zone 4b corresponde à 3 dents. Dans le circuit électronique de la figure 2, le bloc maítre 20 comporte un compteur supplémentaire pour les 7 jours de la semaine et le multiplexeur 24 est modifié de telle sorte que le signal de consigne Sc prenne en compte le nombre de pas différent de chaque zone.FIG. 3 represents another example of a timepiece according to the invention comprising 38 useful positions, provided with a fixed disc 7 and an indicator constituted by a central hand 8. The display 4 is divided into two zones 4a and 4b corresponding respectively to 31 positions for the dates and to 7 positions for the days of the week represented by their first three letters. The angular sectors of the positions of the zone 4b being larger than those of the positions of the zone 4a, the gear toothed drive will comprise for example 83 teeth, so that a position of the zone 4a corresponds to 2 teeth and that a position in zone 4b corresponds to 3 teeth. In the electronic circuit of FIG. 2, the master unit 20 includes an additional counter for the 7 days of the week and the multiplexer 24 is modified so that the setpoint signal S c takes into account the number of steps different from each zoned.

Il va de soit que les exemples qui viennent d'être décrits peuvent également incorporer les technologies antérieures. Dans l'exemple représenté à la figure 1, il est par exemple possible d'avoir, en plus de l'affichage du quantième et du cycle annuel, l'affichage du numéro du mois sur les 12 premières positions du quantième. De même, si cela est imposé par des raisons techniques ou esthétiques, il est possible, tout en ayant toujours au moins deux zones comportant des informations horométriques de natures différentes, d'avoir une ou plusieurs autres zones ne comportant aucune information horométrique.It goes without saying that the examples which have just been described may also incorporate technologies earlier. In the example shown in Figure 1, it is for example possible to have, in addition to the display date and annual cycle, display of the number of the months on the first 12 positions of the date. Likewise, if this is imposed for technical reasons or aesthetic it is possible, while still having at at least two areas with time information of different natures, to have one or more others areas with no time information.

D'autres modifications ou adaptations peuvent être apportées par l'homme du métier sans sortir du cadre de la présente invention.Other modifications or adaptations may be brought by the skilled person without departing from the scope of the present invention.

Claims (8)

  1. Electronic analog timepiece to display the time by means of hands (1, 2, 3) driven by a motor M1, and at least two other items of time information by means of a second display (4) by means of discs (5, 7) and indicators (6,8) that are movable in relation to one another by means of a second reversible stepping motor M2, comprising
    a time-keeping circuit (10) and a driving circuit (14) of the motor M1 to display the time delivering a daily signal Sj
    an interpretation circuit (15) of the manipulations of an exterior control means delivering a signal Sk representing one or several items of time information that have to be displayed
    a management circuit for a perpetual calendar comprising on the one hand a master block (20), provided with calendar counters (21, 22, 23) and a multiplexer (24), and delivering in response to the signals Sj and Sk an order signal Sc representative of the ranking of said information on the display (4), and also comprising a slave block (30), provided with a counter (31) delivering to the comparator-subtractor (31) a disc signal SD representing the value of the instantaneous ranking of the time information displayed, characterized in that the comparator-subtractor (31) also receives the order signal Sc and delivers at its output a signal SR making it possible both to define the direction of rotation of a step motor of the motor M2 by means of a driving circuit (33) and to increase or decrease the counter (31) in recurring manner until SD = SC, and in that the display (4) has at least two distinct zones (4a, 4b) provided with different symbols for each category of time information, the symbols of said zones (4a, 4b) occupying successive rankings on said display (4).
  2. Timepiece according to claim 1, characterized in that the display (4) is composed of a rotatable disc (5) bringing the time symbols opposite an aperture (6).
  3. Timepiece according to claim 1, characterized in that the display (4) is composed of a hand (8) that moves opposite time symbols carried by a fixed disc (7).
  4. Timepiece according to claims 1 to 3, characterized in that the interpretation circuit (15) also has a temporiser making it possible to display a new item of time information for a predetermined duration, or several items of time information successively for predetermined periods.
  5. Timepiece according to claims 1 to 4, characterized in that the angular time-lag of each symbol is the same in all the display zones (4a, 4b).
  6. Timepiece according to claims 1 to 4, characterized in that the angular time-lag of the time symbols differs from one display zone to the other.
  7. Timepiece according to claims 1 to 4, characterized in that one display zone corresponds to the days of the month and that one or several other zones correspond to the names of the days of the week, to the names of the months of the year or to the number of the annual cycle.
  8. Timepiece according to claim 7, characterized in that the display of the days of the month also makes it possible to display a second item of time information in this same zone.
EP96104472A 1995-03-28 1996-03-21 Analogic electronic time piece with multifunctional date disc Expired - Lifetime EP0735442B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH00871/95A CH688362B5 (en) 1995-03-28 1995-03-28 The analog electronic timepiece multifunctional date disc.
CH871/95 1995-03-28
CH87195 1995-03-28

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EP0735442A1 EP0735442A1 (en) 1996-10-02
EP0735442B1 true EP0735442B1 (en) 1999-10-20

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US (1) US5668781A (en)
EP (1) EP0735442B1 (en)
JP (2) JP4290770B2 (en)
CN (1) CN1091891C (en)
CH (1) CH688362B5 (en)
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HK (1) HK1012082A1 (en)
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DE69604721D1 (en) 1999-11-25
SG64351A1 (en) 1999-04-27
CN1091891C (en) 2002-10-02
JP2007041011A (en) 2007-02-15
CH688362GA3 (en) 1997-08-29
JP4290770B2 (en) 2009-07-08
CN1147642A (en) 1997-04-16
US5668781A (en) 1997-09-16
HK1012082A1 (en) 1999-07-23
CH688362B5 (en) 1998-02-27
DE69604721T2 (en) 2000-05-31
EP0735442A1 (en) 1996-10-02
JPH08304567A (en) 1996-11-22

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