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EP0502292B1 - Initialization procedure for a perpetual calender of a quartz analogue chronograph and quartz chronograph to put it into operation - Google Patents

Initialization procedure for a perpetual calender of a quartz analogue chronograph and quartz chronograph to put it into operation Download PDF

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Publication number
EP0502292B1
EP0502292B1 EP92100726A EP92100726A EP0502292B1 EP 0502292 B1 EP0502292 B1 EP 0502292B1 EP 92100726 A EP92100726 A EP 92100726A EP 92100726 A EP92100726 A EP 92100726A EP 0502292 B1 EP0502292 B1 EP 0502292B1
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EP
European Patent Office
Prior art keywords
stopwatch
push
hand
month
button
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
Application number
EP92100726A
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German (de)
French (fr)
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EP0502292A1 (en
Inventor
John Corlet
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Richemont International SA
Original Assignee
Complications SA
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Publication of EP0502292A1 publication Critical patent/EP0502292A1/en
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F8/00—Apparatus for measuring unknown time intervals by electromechanical means

Definitions

  • FR-A-2,404,250 discloses an electronic timepiece free from chronograph functions and displays, which, if it includes a perpetual calendar (see page 3, lines 5 and 6 of said document), does not allow any initialization of this using organs integrated into the watch and thus making it possible to dispense with complex tooling or instrumentation external to the watch.
  • This electronic timepiece which does not operate as a chronograph, includes control members, winding stem and two pushers, allowing the functions of setting the time, seconds, minutes, hours; time zone correction; setting an alarm, but not allowing an initialization of a perpetual calendar.
  • the present invention aims to allow an initiation of the perpetual calendar of a chronograph and not a watch, which avoids the use of a device external to the chronograph and which does not require a total reset of the perpetual calendar during the battery change, so that this initialization can be carried out in particular by unqualified personnel in each point of sale, for example during a battery change.
  • the present invention relates to a method for initializing the perpetual calendar of a chronograph with quartz using elements integrated into this chronograph overcoming the aforementioned drawbacks as well as a chronograph for the implementation of this process.
  • Figure 1 is a top view of the chronograph.
  • Figures 2 to 5 schematically illustrate the visualization, using the second hand in the center and the scale of the minutes, of the various parameters to be initialized, the number of the year, the number of the month, the date and the 'hour.
  • FIG. 6 illustrates a state diagram showing the different functions that can be performed with the chronograph watch according to the invention.
  • the chronograph watch illustrated diagrammatically in FIG. 1 comprises an analog display having a graduation of the hours and minutes 1 circular and concentric with the hour hands 2 and minutes 3.
  • This display also comprises a chronograph seconds hand 4 in the cooperating center with the graduation 1, a chronograph counter of 30 minutes, presenting a graduation 5 and a hand 6, situated at five o'clock and a chronograph counter of 12 hours, presenting a graduation 7 and a hand 8, situated at seven o'clock.
  • this display includes a date display, comprising a graduation of 31 steps 9 and a hand 10, located at noon.
  • This chronograph also has a time-setting rod with three axial positions, ending with a crown 11, and two chronograph pushers P1, P2.
  • This chronograph watch caliber has three motors controlled by an electronic circuit comprising a microprocessor.
  • the minutes 3 and hours 2 hands as well as those for the date indication 10 are driven by mechanical reduction from a first motor with a normal frequency of 1/12 Hz with fast forward motion of 64 Hz and fast reverse 32 Hz.
  • Hourly information is displayed up to the date, but it is calculated up to the year, taking leap years into account, by the micro-processor.
  • the rod being pulled in the intermediate position, it is possible to change the time zone forwards or backwards according to the direction of rotation of the time setting rod.
  • the adjustment of the time has repercussions on the information of the perpetual counter, date, month and year.
  • the display of the watch stops. It is then possible to set the time of the watch forwards or backwards in steps of one fifth of a second. The time is set on all the information of the perpetual counter, from the second to the year.
  • the time setting rod In chronograph mode, the time setting rod is in the normal position and the time display is performed continuously.
  • the chronograph includes two chronograph engines.
  • the first chronograph motor drives the seconds hand to the center 4 which performs one revolution of the dial per minute. This motor has a normal frequency of 5 Hz and a fast forward run at 64 Hz as well as a fast reverse run at 32 Hz.
  • the second chronograph motor drives the minute hands 6 and hours 8 of the chronograph displays.
  • This motor has a normal frequency of 1 step per minute and a fast forward run at 64 Hz as well as a fast reverse run at 32 Hz.
  • the chronograph functions are managed by a clockwork microprocessor associated with peripheral circuits.
  • the circuit includes an application part on input and output interfaces and a processor part with its control unit and its processing unit.
  • the circuit includes 4 blocks of input interfaces corresponding to the various function control members:
  • the quartz frequency is adjusted by inhibiting a given number of 32 kHz cycles during a 12-second period.
  • the inhibition control circuit notably includes non-volatile memories (FAMOS) into which the binary value corresponding to the desired setting is loaded.
  • FMOS non-volatile memories
  • the movement of the hour hand is done mechanically, from the first motor which is controlled by the processor which updates the registers according to the input signals, during a command by the time-setting rod.
  • a system control input When a system control input is activated, it activates a register which wakes up the processor and transmits the information to a bank (Flags); the processor then comes to read the data contained in this bank and to execute the function corresponding to the activated "flag", after which it resets it to zero thanks to the DATA field.
  • the circuit includes the blocks necessary for the management of the organs it controls, in particular for controlling the motors.
  • the application program contained in a ROM memory, is the basis of the behavior of the processor.
  • the number of instructions it contains and their format are linked to the architecture of the microprocessor and the functions to be performed.
  • the control unit is responsible for managing the processor and peripherals; it is composed of a ROM memory, a program counter, a sequencer and a decoder.
  • the ROM contains the application program from which the processor performs the various functions. Each instruction contained in the program is selected by the program counter and executed through the decoder which performs the corresponding function by directing the various organs of the processing unit and the peripherals. The sequencer controls the arrangement over time of all these operations.
  • the program counter supplies to the ROM memory the address of the instruction to be carried out; after which, unless the latter orders, it increments the address by 1 step and supplies it to the ROM; however, certain instructions may impose another address on it under certain conditions, thus making it possible to make jumps in the program or to go to subroutines.
  • the sequencer manages the various stages necessary for the execution of the instructions.
  • the circuit used is mainly composed of a binary divider, a D flip-flop and a logic circuit.
  • the decoder is a logic circuit which provides the variables necessary to achieve the desired function.
  • the processing unit performs the functions provided for in the application program under the control of the control unit. It essentially consists of a RAM memory and an arithmetic unit ALU.
  • the RAM memory is made up of registers temporarily storing data such as timed times, dates and other data.
  • the arithmetic and logic unit is a circuit performing operations on the data for the execution of the application program.
  • this electronic circuit and this processor allow the realization of at least two new and original functions which are the initialization of the perpetual calendar (day, month, year) and the hour as well as the rescue of the data relating to the calendar perpetual at least when the end of life of the battery or the opening of the box is detected.
  • the initialization of the perpetual calendar and of the time is carried out only at using organs integrated into the chronograph.
  • the second hand in the center of the chronograph 4 is used, cooperating with the graduation of the minutes 1, but as can be seen below, the amplitude of the unit steps of this hand depends on the parameter that is initialized.
  • the user places the time-setting rod in its second position, fully pulled by acting on the crown 11. Then he presses the pusher P2 three times followed by three presses on button P1. The chronograph is then in state I of the initialization function, the second hand in the center 4 automatically returns to a position corresponding to the state of the memories.
  • the hand of chrono 4 advances in 1/4 turn steps (75 engine steps) to the value of the year number 1,2,3 or 4 in a four-year cycle (figure 2). If the value of the number of the year which is thus displayed is not correct, the seconds hand of the chronograph 4 is advanced in successive steps by successively pressing the push-button P2. When the correct value is reached, the user presses the push-button P1 once, which places the chronograph in initialization state II and the second hand 4 automatically returns to a position corresponding to the state of the memories.
  • This state II corresponds to the initialization of the month number. If this value is not correct, the user advances the seconds hand 4 in successive steps of 1/12 of a turn (25 motor steps) by successive presses on button P2 until the correct value is reached (Fig. 3).
  • the initialization function also includes an IV state for initializing the time.
  • IV an IV state for initializing the time.
  • the user By pressing push-button P1 once again, the user switches to this state IV, the previously adjusted date value is memorized and the seconds hand 4 advances in steps of 1/60 of a turn (5 engine steps) until the value of the stored time. If this value is not correct, the user causes the seconds hand 4 to advance by 1/60 turn to the correct value. If in doing so it exceeds 23 steps, the second hand automatically returns to zero and the time initialization cycle can start again (Figure 5).
  • This chronograph watch also has a battery end-of-life function which means that when the voltage delivered by the battery drops below a preset threshold, the second hand of the stopwatch 4 moves to the "10 seconds" position, the watch stops with the storage of its instantaneous state, including the data relating to the perpetual calendar in a FAMOS memory. Identical values are saved each time the box is opened using an appropriate box contact.
  • closing the box causes the values stored in the FAMOS, in the chronograph counter, to be transferred by actuating the box contact.
  • the user then causes the elapsed time to be caught up by a rapid correction of the date and setting the time.
  • the chronograph watch can automatically go through a non-static stage during which the display of the state of the perpetual calendar is possible.
  • the user can check that the perpetual calendar is well adjusted or if necessary, he can then carry out a new initialization of it.
  • a rotation of the crown 11 allows, when the time-setting rod is fully pulled out, to advance respectively back the minute hand 3 for setting the time of the watch, the time being indicated by the procedure perpetual calendar initialization or by correcting time zones forward or backward.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

This watch includes a case, an hour-setting stem (11) and two chronograph buttons P1, P2, a dial provided with a graduation (1) in hours and minutes and a chronograph hand (4) at the centre as well as off-centred chronograph displays for the minutes (5, 6) and the hours (7, 8) each having a graduation and a hand. It furthermore includes at least one drive for driving these hands and an electronic circuit provided with a processor and controlled by a quartz time base and a calendar display (9, 10). This procedure is notable in that the initialisation of the perpetual calendar, index of years within a four-year cycle, index of the month within the year, and indication of the date are performed with the aid of the hour-setting stem (11) and of the two chronograph buttons P1, P2, and each of the parameters to be initialised is displayed in succession with the aid of the hand (4) and of the corresponding graduation (1). <IMAGE>

Description

Dans une montre analogique électronique ou à quartz on peut tenir compte purement électroniquement de l'irrégularité du nombre de jours dans les mois de l'année ainsi que du jour supplémentaire dans le mois de février des années bissextiles. Ce faisant il suffit d'initialiser le numéro de l'année de 1 à 4 dans un cycle de quatre ans, le numéro du mois de l'année et le numéro du jour du mois pour que ces indications restent correctes pendant toute la durée de marche du mouvement, c'est-à-dire pendant la durée de vie de la pile. Au moment où la pile arrive en fin de vie et que sa tension n'est plus suffisante ces informations sont perdues et lors du remplacement de la pile, il faut non seulement remettre la montre à l'heure mais également réinitialiser son calendrier perpétuel. On connaît également des chronographes de ce type décrits par exemple dans l'article de E. FAVRE et al. "Le chronographe-bracelet le plus complet du monde", Actes du Congrès Européen de Chronographie, No 1, 23-24 septembre 1988.In an analog electronic or quartz watch one can take into account purely electronically the irregularity of the number of days in the months of the year as well as the additional day in the month of February of leap years. In doing so, it suffices to initialize the number of the year from 1 to 4 in a four-year cycle, the number of the month of the year and the number of the day of the month for these indications to remain correct throughout the duration of running of the movement, that is to say during the lifetime of the battery. When the battery reaches the end of its life and its voltage is no longer sufficient, this information is lost and when the battery is replaced, it is necessary not only to reset the watch to the time but also to reset its perpetual calendar. Chronographs of this type are also known, described for example in the article by E. FAVRE et al. "The most complete wrist chronograph in the world", Proceedings of the European Chronography Congress, No 1, 23-24 September 1988.

Cette initialisation du calendrier perpétuel des montres à quartz analogique s'effectue généralement en fabrique par l'aide d'un appareil extérieur à la montre, ce qui a l'inconvénient que l'usager ne peut pas changer sa pile lui-même, ni généralement la faire changer de suite dans un point de vente, ceux-ci n'étant généralement pas équipés du matériel adéquat.This initialization of the perpetual calendar of analog quartz watches is generally carried out in the factory by the aid of a device external to the watch, which has the disadvantage that the user cannot change his battery himself, nor usually make her change away in a point of sale, these are generally not equipped with the appropriate equipment.

On connait une réalisation d'une montre à quartz analogique dont le calendrier perpétuel peut être programmé à l'aide de la tige de remontoir de la montre par le document CH 672.222. Cette réalisation présente plusieurs inconvénients. En particulier il est nécessaire de prévoir, uniquement pour la programmation du calendrier perpétuel, trois positions axiales différentes de la tige de mise à l'heure, donc au minimum cinq positions pour cette tige si l'on veut pouvoir effectuer une mise à l'heure et disposer d'une position neutre de repos. Ceci entraine des déplacements axiaux importants de cette tige de remontoir qui la rendent fragile et de plus l'usager ne sait jamais de façon sûre dans quelle position elle se trouve.We know an embodiment of an analog quartz watch whose perpetual calendar can be programmed using the watch winding rod by the document CH 672.222. This embodiment has several drawbacks. In particular, it is necessary to provide, only for the programming of the perpetual calendar, three different axial positions of the time-setting rod, therefore at least five positions for this rod if one wishes to be able to set the time. hour and have a neutral rest position. This causes significant axial displacements of this winding stem which make it fragile and moreover the user never knows for sure in what position it is.

De plus, cette solution ne peut pas être envisagée pour un chronographe car il faudrait prévoir une, voire deux positions axiales supplémentaires de la tige pour la correction des affichages de chronographe et éventuellement de la fonction de décalage de fuseaux horaires.In addition, this solution cannot be envisaged for a chronograph because it would be necessary to provide one, or even two additional axial positions of the rod for the correction of the chronograph displays and possibly of the time zone shift function.

En outre, la solution proposée dans ce document nécessite une programmation totale du calendrier perpétuel lors de chaque changement de pile, ce qui est un inconvénient. On connaît du brevet FR-A-2.404.250 une pièce d'horlogerie électronique exempte de fonctions et affichages chronographe, qui, si elle comporte un calendrier perpétuel (c.f. page 3, lignes 5 et 6 dudit document), ne permet aucune initialisation de celui-ci à l'aide d'organes intégrés à la montre et permettant ainsi de s'affranchir d'un outillage ou d'une instrumentation complexe extérieure à la montre.In addition, the solution proposed in this document requires total programming of the perpetual calendar during each change of battery, which is a drawback. FR-A-2,404,250 discloses an electronic timepiece free from chronograph functions and displays, which, if it includes a perpetual calendar (see page 3, lines 5 and 6 of said document), does not allow any initialization of this using organs integrated into the watch and thus making it possible to dispense with complex tooling or instrumentation external to the watch.

Cette pièce d'horlogerie électronique ne fonctionnant pas en chronographe comporte des organes de commande, tige de remontoir et deux poussoirs, permettant les fonctions de mise à l'heure, secondes, minutes, heures; de correction de fuseau horaire; de réglage d'une alarme, mais ne permettant pas une initialisation d'un calendrier perpétuel.This electronic timepiece, which does not operate as a chronograph, includes control members, winding stem and two pushers, allowing the functions of setting the time, seconds, minutes, hours; time zone correction; setting an alarm, but not allowing an initialization of a perpetual calendar.

En effet, il est primordial pour l'initialisation d'un calendrier perpétuel de tenir compte du cycle des années (4 ans) bissextiles. Or, ce document ne mentionne à aucun endroit la possibilité de visualiser et de régler ou corriger l'année.Indeed, it is essential for the initialization of a perpetual calendar to take into account the cycle of leap years (4 years). However, this document does not mention anywhere the possibility of viewing and adjusting or correcting the year.

Il n'y a donc pas d'initialisation possible d'un éventuel calendrier perpétuel de cette pièce d'horlogerie à l'aide de la tige de remontoir et des deux poussoirs.There is therefore no possible initialization of a possible perpetual calendar of this timepiece using the winding stem and the two pushers.

De plus, les poussoirs dans ce document français ne sont considérés que comme organes de commande de certains paramètres en combinaison avec la tige de remontoir mais ils n'ont, dans ce document, pas la fonction de poussoirs normaux de commande d'un mécanisme de chronographe.In addition, the pushers in this French document are only considered to control certain parameters in combination with the winding stem, but in this document they do not have the function of normal pushers for controlling a mechanism. chronograph.

La présente invention a pour but de permettre une initilisation du calendrier perpétuel d'un chronographe et non pas d'une montre, qui évite l'utilisation d'un dispositif externe au chronographe et qui ne nécessite pas une réinitialisation totale du calendrier perpétuel lors du changement de la pile, de sorte que cette initialisation puisse être effectuée notamment par un personnel non qualifié dans chaque point de vente, par exemple lors d'un changement de pile.The present invention aims to allow an initiation of the perpetual calendar of a chronograph and not a watch, which avoids the use of a device external to the chronograph and which does not require a total reset of the perpetual calendar during the battery change, so that this initialization can be carried out in particular by unqualified personnel in each point of sale, for example during a battery change.

La présente invention a pour objet un procédé d'initialisation du calendrier perpétuel d'un chronographe à quartz à l'aide d'éléments intégrés à ce chronographe obviant aux inconvénients précités ainsi qu'un chronographe pour la mise en oeuvre de ce procédé.The present invention relates to a method for initializing the perpetual calendar of a chronograph with quartz using elements integrated into this chronograph overcoming the aforementioned drawbacks as well as a chronograph for the implementation of this process.

Ce procédé et ce chronographe se distinguent respectivement par les caractéristiques énumérées aux revendications indépendantes du présent brevet.This method and this chronograph are distinguished respectively by the characteristics listed in the independent claims of this patent.

Le dessin annexé illustre schématiquement et à titre d'exemple une forme d'exécution du procédé d'initialisation et du chronographe selon l'invention.The accompanying drawing illustrates schematically and by way of example an embodiment of the initialization process and the chronograph according to the invention.

La figure 1 est une vue de dessus du chronographe.Figure 1 is a top view of the chronograph.

Les figures 2 à 5 illustrent schématiquement la visualisation, à l'aide de l'aiguille des secondes au centre et la graduation des minutes, des différents paramètres à initialiser, le numéro de l'année, le numéro du mois, le quantième et l'heure.Figures 2 to 5 schematically illustrate the visualization, using the second hand in the center and the scale of the minutes, of the various parameters to be initialized, the number of the year, the number of the month, the date and the 'hour.

La figure 6 illustre un diagramme d'état visualisant les différentes fonctions pouvant être réalisées avec la montre chronographe selon l'invention.FIG. 6 illustrates a state diagram showing the different functions that can be performed with the chronograph watch according to the invention.

La montre chronographe illustrée schématiquement à la figure 1 comporte un affichage analogique présentant une graduation des heures et minutes 1 circulaire et concentrique aux aiguilles d'heures 2 et de minutes 3. Cet affichage comprend en outre une aiguille des secondes de chronographe 4 au centre coopérant avec la graduation 1, un compteur de chronographe de 30 minutes, présentant une graduation 5 et une aiguille 6, situé à cinq heures et un compteur de chronographe de 12 heures, présentant une graduation 7 et une aiguille 8, situé à sept heures. Enfin, cet affichage comporte un affichage des quantièmes, comprenant une graduation de 31 pas 9 et une aiguille 10, située à midi.The chronograph watch illustrated diagrammatically in FIG. 1 comprises an analog display having a graduation of the hours and minutes 1 circular and concentric with the hour hands 2 and minutes 3. This display also comprises a chronograph seconds hand 4 in the cooperating center with the graduation 1, a chronograph counter of 30 minutes, presenting a graduation 5 and a hand 6, situated at five o'clock and a chronograph counter of 12 hours, presenting a graduation 7 and a hand 8, situated at seven o'clock. Finally, this display includes a date display, comprising a graduation of 31 steps 9 and a hand 10, located at noon.

Ce chronographe comporte encore une tige de mise à l'heure à trois positions axiales, terminées par une couronne 11, et deux poussoirs de chronographe P1, P2.This chronograph also has a time-setting rod with three axial positions, ending with a crown 11, and two chronograph pushers P1, P2.

Ce calibre de montre chronographe comporte trois moteurs commandés par un circuit électronique comportant un micro-processeur.This chronograph watch caliber has three motors controlled by an electronic circuit comprising a microprocessor.

Les aiguilles des minutes 3 et des heures 2 ainsi que celles de l'indication du quantième 10 sont entraînées par démultiplication mécanique à partir d'un premier moteur d'une fréquence normale de 1/12 Hz avec marche rapide en avant de 64 Hz et marche rapide en arrière de 32 Hz.The minutes 3 and hours 2 hands as well as those for the date indication 10 are driven by mechanical reduction from a first motor with a normal frequency of 1/12 Hz with fast forward motion of 64 Hz and fast reverse 32 Hz.

L'information horaire est affichée jusqu'au quantième mais elle est calculée jusqu'à l'année, compte tenu des années bissextiles, par le micro-proceseur.Hourly information is displayed up to the date, but it is calculated up to the year, taking leap years into account, by the micro-processor.

La tige étant tirée en position intermédiaire, il est possible de changer le fuseau horaire en avant ou en arrière suivant le sens de rotation de la tige de mise à l'heure.The rod being pulled in the intermediate position, it is possible to change the time zone forwards or backwards according to the direction of rotation of the time setting rod.

L'entrainement de l'aiguille des heures se fait mécaniquement, tandis que l'état de l'électronique est mis à jour au moyen de contacts de la couronne 11.The hours hand is driven mechanically, while the state of the electronics is updated by means of contacts on the crown 11.

L'ajustement de l'heure se répercute sur l'information du compteur perpétuel, quantième, mois et année.The adjustment of the time has repercussions on the information of the perpetual counter, date, month and year.

En tirant la couronne 11, jusque dans une seconde position, l'affichage de la montre s'arrête. On peut alors procéder à la mise à l'heure de la montre en avant ou en arrière par pas de un cinquième de seconde. La mise à l'heure s'effectue sur l'ensemble de l'information du compteur perpétuel, depuis la seconde jusqu'à l'année.By pulling crown 11 into a second position, the display of the watch stops. It is then possible to set the time of the watch forwards or backwards in steps of one fifth of a second. The time is set on all the information of the perpetual counter, from the second to the year.

Lorsque l'on repousse la tige, l'aiguille des minutes effectue le prochain pas après douze secondes (top horaire).When the rod is pushed back, the minute hand takes the next step after twelve seconds (time clock).

En mode chronographe la tige de mise à l'heure est en position normale et l'affichage horaire s'effectue continuellement.In chronograph mode, the time setting rod is in the normal position and the time display is performed continuously.

Le chronographe comprend deux moteurs de chronographes. Le premier moteur de chronographe entraine l'aiguille des secondes au centre 4 qui effectue un tour de cadran par minute. Ce moteur comporte une fréquence normale de 5 Hz et une marche rapide en avant à 64 Hz ainsi qu'une marche rapide en arrière à 32 Hz.The chronograph includes two chronograph engines. The first chronograph motor drives the seconds hand to the center 4 which performs one revolution of the dial per minute. This motor has a normal frequency of 5 Hz and a fast forward run at 64 Hz as well as a fast reverse run at 32 Hz.

Le second moteur de chronographe entraîne les aiguilles des minutes 6 et des heures 8 des affichages chronographe. Ce moteur présente une fréquence normale de 1 pas par minute et une marche rapide en avant à 64 Hz ainsi qu'une marche rapide en arrière à 32 Hz.The second chronograph motor drives the minute hands 6 and hours 8 of the chronograph displays. This motor has a normal frequency of 1 step per minute and a fast forward run at 64 Hz as well as a fast reverse run at 32 Hz.

La couronne 11 étant en position normale, seule une pression sur le poussoir P1 permet de faire démarrer le chrono. On se trouve alors dans le mode chrono simple (START).The crown 11 being in the normal position, only pressing the push-button P1 makes it possible to start the stopwatch. We are then in the simple chrono mode (START).

A partir de l'état précédent (START), il est possible d'interrompre le défilement des aiguilles chrono de deux façons :

  • a. Par pression sur P1, le défilement des aiguilles et des compteurs se fige.
    • Après lecture du temps chronométré, on peut :
      • Activer P2, ce qui revient à remettre à zéro les aiguilles du chrono et à sortir du mode chrono. Dans ce cas, on a à faire à un cycle complet en mode chrono simple.
      • Activer P1 et le chrono repart en tenant compte du premier événement chronométré. On se trouve alors en mode ADD.
  • b. Par pression sur P2 le défilement des aiguilles est interrompu tandis que le compteur électronique continue à tourner. On se trouve en mode SPLIT.
    Une nouvelle activation sur P2 fait repartir les aiguilles qui rattrapent l'état du compteur électronique.
From the previous state (START), it is possible to interrupt the scrolling of the chrono hands in two ways:
  • at. By pressing P1, the scrolling of the hands and counters freezes.
    • After reading the timed time, you can:
      • Activate P2, which amounts to resetting the chrono hands and exiting the chrono mode. In this case, we have to do a complete cycle in simple chrono mode.
      • Activate P1 and the timer will restart taking into account the first timed event. We are then in ADD mode.
  • b. By pressing P2, the scrolling of the hands is interrupted while the electronic counter continues to rotate. We are in SPLIT mode.
    A new activation on P2 starts again the hands which catch up with the state of the electronic counter.

Lors de déplacements rapides des aiguilles, mise à zéro du chrono, rattrapage des aiguilles en mode SPLIT, l'aiguille des secondes 4 ainsi que les aiguilles des minutes 6 et des heures 8 se déplacement indépendamment et suivent le chemin le plus court.During rapid movements of the hands, setting the stopwatch to zero, catching up with the hands in SPLIT mode, the seconds hand 4 as well as the minutes hands 6 and hours 8 move independently and follow the shortest path.

Les fonctions du chronographe sont gérées par un micro-processeur horloger associé à des circuits périphériques.The chronograph functions are managed by a clockwork microprocessor associated with peripheral circuits.

Le circuit comprend une partie application sur des interfaces d'entrée et de sortie et une partie processseur avec son unité de commande et son unité de traitement.The circuit includes an application part on input and output interfaces and a processor part with its control unit and its processing unit.

Le circuit comprend 4 blocs d'interfaces d'entrée correspondant aux divers organes de commandes de fonctions :The circuit includes 4 blocks of input interfaces corresponding to the various function control members:

Base de temps : Time base :

Le circuit fournit les horloges nécessaires notamment à la mesure du temps, mais aussi au séquencement du processeur et à diverses réalisations logiques; il est composé principalement des circuits suivants :

  • oscillateur 32 kHz
  • réglage digital de la fréquence par inhibition
  • chaîne de division pour la mesure du temps courant
  • chaîne de division pour le chrono
  • système réalisant le reset à l'enclenchement
The circuit provides the clocks necessary in particular for measuring time, but also for sequencing the processor and for various logic realizations; it is mainly composed of the following circuits:
  • 32 kHz oscillator
  • digital frequency adjustment by inhibition
  • division chain for current time measurement
  • division chain for chrono
  • system carrying out the reset on switching on

L'ajustement de la fréquence du quartz s'effectue par inhibition d'un nombre donné de cycles 32 kHz au cours d'une période de 12 secondes.The quartz frequency is adjusted by inhibiting a given number of 32 kHz cycles during a 12-second period.

Le circuit de commande d'inhibition comporte notamment des mémoires non volatiles (FAMOS) dans lesquelles on charge la valeur binaire correspondant au réglage désiré.The inhibition control circuit notably includes non-volatile memories (FAMOS) into which the binary value corresponding to the desired setting is loaded.

Interfaces d'entrée : Input interfaces :

Lors de corrections de l'heure, le déplacement de l'aiguille des heures se fait mécaniquement, à partir du premier moteur qui est piloté par le processeur qui met à jour les registres en fonction des signaux d'entrée, lors d'une commande par la tige de mise à l'heure.During time corrections, the movement of the hour hand is done mechanically, from the first motor which is controlled by the processor which updates the registers according to the input signals, during a command by the time-setting rod.

Lorsqu'une entrée de commande du système est actionnée, elle vient activer un registre qui réveille le processeur et transmet l'information dans une banque (Flags); le processeur vient alors lire les données contenues dans cette banque et exécuter la fonction correspondant au "flag" activé, après quoi il le remet à zéro grâce au champ DATA.When a system control input is activated, it activates a register which wakes up the processor and transmits the information to a bank (Flags); the processor then comes to read the data contained in this bank and to execute the function corresponding to the activated "flag", after which it resets it to zero thanks to the DATA field.

Le circuit comprend les blocs nécessaires à la gestion des organes qu'il contrôle, notamment à la commande des moteurs.The circuit includes the blocks necessary for the management of the organs it controls, in particular for controlling the motors.

Partie processeur : Processor part :

Le programme d'application, contenu dans une mémoire ROM, est à la base du comportement du processeur. Le nombre d'instructions qu'il contient et leur format sont liés à l'architecture du micro-processeur et aux fonctions à réaliser.The application program, contained in a ROM memory, is the basis of the behavior of the processor. The number of instructions it contains and their format are linked to the architecture of the microprocessor and the functions to be performed.

L'unité de commande est responsable de la gestion du processeur et des périphériques; elle est composée d'une mémoire ROM, d'un compteur de programme, d'un séquenceur et d'un décodeur.The control unit is responsible for managing the processor and peripherals; it is composed of a ROM memory, a program counter, a sequencer and a decoder.

La ROM contient le programme d'application à partir duquel le processeur réalise les diverses fonctions. Chaque instruction contenue dans le programme est sélectionnée par le compteur de programme et exécutée par l'intermédiaire du décodeur qui réalise la fonction correspondante en dirigeant les divers organes de l'unité de traitement et les périphériques. Le séquenceur contrôle l'agencement dans le temps de toutes ces opérations. Le compteur de programme fournit à la mémoire ROM l'adresse de l'instruction à effectuer; après quoi, sauf ordre de celle-ci, il incrémente l'adresse de 1 pas et la fournit à la ROM; toutefois, certaines instructions peuvent lui imposer une autre adresse sous certaines conditions permettant ainsi d'effectuer des sauts dans le programme ou de se rendre à des sous-programmes.The ROM contains the application program from which the processor performs the various functions. Each instruction contained in the program is selected by the program counter and executed through the decoder which performs the corresponding function by directing the various organs of the processing unit and the peripherals. The sequencer controls the arrangement over time of all these operations. The program counter supplies to the ROM memory the address of the instruction to be carried out; after which, unless the latter orders, it increments the address by 1 step and supplies it to the ROM; however, certain instructions may impose another address on it under certain conditions, thus making it possible to make jumps in the program or to go to subroutines.

Le séquenceur gère les différentes étapes nécessaires àl'exécution des instructions.The sequencer manages the various stages necessary for the execution of the instructions.

Le circuit utilisé est composé principalement d'un diviseur binaire, d'un flip-flop D et d'un circuit logique.The circuit used is mainly composed of a binary divider, a D flip-flop and a logic circuit.

A partir d'un signal d'horloge (16 kHz), il génère continuellement les cycles d'exécution des instructions jusqu'à l'activation du signal HALT qui bloque le séquencement mettant le processeur au repos; le réveil a lieu par l'intermédiaire du signal INT.From a clock signal (16 kHz), it continuously generates the execution cycles of the instructions until the activation of the HALT signal which blocks the sequencing putting the processor at rest; awakening takes place via the INT signal.

Le décodeur est un circuit logique qui fournit les variables nécessaires à la réalisation de la fonction désirée.The decoder is a logic circuit which provides the variables necessary to achieve the desired function.

L'unité de traitement effectue les fonctions prévues dans le programme d'application sous contrôle de l'unité de commande. Elle est essentiellement constituée d'une mémoire RAM et d'une unité arithmétique ALU.The processing unit performs the functions provided for in the application program under the control of the control unit. It essentially consists of a RAM memory and an arithmetic unit ALU.

La mémoire RAM est constituée de registres mémorisant provisoirement des données tels que les temps chronométrés, les dates ainsi que d'autres données.The RAM memory is made up of registers temporarily storing data such as timed times, dates and other data.

L'unité arithmétique et logique est un circuit effectuant des opérations sur les données pour l'exécution du programme d'application.The arithmetic and logic unit is a circuit performing operations on the data for the execution of the application program.

La réalisation de ce circuit électronique et du processus font appel à des techniques connues c'est pourquoi ils ne seront pas décrits plus en détail ici.The realization of this electronic circuit and of the process calls upon known techniques that is why they will not be described in more detail here.

Par contre, ce circuit électronique et ce processeur permettent la réalisation d'au moins deux fonctions nouvelles et originales qui sont l'initialisation du calendrier perpétuel (jour, mois, année) et de l'heure ainsi que le sauvetage des données relatives au calendrier perpétuel au moins lors de la détection de la fin de vie de la pile ou de l'ouverture de la boîte.On the other hand, this electronic circuit and this processor allow the realization of at least two new and original functions which are the initialization of the perpetual calendar (day, month, year) and the hour as well as the rescue of the data relating to the calendar perpetual at least when the end of life of the battery or the opening of the box is detected.

Selon le présent procédé l'initialisation du calendrier perpétuel et de l'heure s'effectue uniquement à l'aide d'organes intégrés au chronographe. Pour visualiser les données introduites on utilise l'aiguille de seconde au centre du chronographe 4 coopérant avec la graduation des minutes 1 mais comme on le voit plus loin l'amplitude des pas unitaires de cette aiguille dépend du paramètre que l'on initialise.According to the present process, the initialization of the perpetual calendar and of the time is carried out only at using organs integrated into the chronograph. To visualize the data entered, the second hand in the center of the chronograph 4 is used, cooperating with the graduation of the minutes 1, but as can be seen below, the amplitude of the unit steps of this hand depends on the parameter that is initialized.

Pour entrer dans le mode d'initialisation du calendrier perpétuel l'utilisateur place la tige de mise à l'heure dans sa seconde position, entièrement tirée en agissant sur la couronne 11. Puis il effectue trois pressions sur le poussoir P2 suivies de trois pressions sur le poussoir P1. Le chronographe est alors dans l'état I de la fonction d'initialisation, l'aiguille des secondes au centre 4 revient automatiquement dans une position correspondant à l'état des mémoires.To enter the perpetual calendar initialization mode, the user places the time-setting rod in its second position, fully pulled by acting on the crown 11. Then he presses the pusher P2 three times followed by three presses on button P1. The chronograph is then in state I of the initialization function, the second hand in the center 4 automatically returns to a position corresponding to the state of the memories.

En appuyant sur le poussoir P2 l'aiguille du chrono 4 avance par pas de 1/4 de tour (75 pas moteur) jusqu'à la valeur du numéro de l'année 1,2,3 ou 4 dans un cycle de quatre ans (figure 2). Si la valeur du numéro de l'année qui est ainsi visualisée n'est pas correcte on fait avancer l'aiguille de secondes du chronographe 4 par pas sucessifs en appuyant successivement sur le poussoir P2. Lorsque la valeur correcte est atteinte l'usager appuye une fois sur le poussoir P1 ce qui place le chronographe en état II d'initialisation et l'aiguille de secondes 4 revient automatiquement dans une position correspondant à l'état des mémoires.By pressing button P2 the hand of chrono 4 advances in 1/4 turn steps (75 engine steps) to the value of the year number 1,2,3 or 4 in a four-year cycle (figure 2). If the value of the number of the year which is thus displayed is not correct, the seconds hand of the chronograph 4 is advanced in successive steps by successively pressing the push-button P2. When the correct value is reached, the user presses the push-button P1 once, which places the chronograph in initialization state II and the second hand 4 automatically returns to a position corresponding to the state of the memories.

Cet état II correspond à l'initialisation du numéro du mois. Si cette valeur n'est pas correcte l'usager fait avancer l'aiguille de secondes 4 par pas successifs de 1/12 de tour (25 pas moteur) par des pressions successives sur le poussoir P2 jusqu'à ce que la valeur correcte soit atteinte (Fig. 3).This state II corresponds to the initialization of the month number. If this value is not correct, the user advances the seconds hand 4 in successive steps of 1/12 of a turn (25 motor steps) by successive presses on button P2 until the correct value is reached (Fig. 3).

L'usager appuye une fois sur le poussoir P1 mémorisant la valeur du mois et passant à l'état III de la fonction d'initialisation pour le quantième (jour) et l'aiguille des secondes 4 revient automatiquement dans une position correspondant à l'état des mémoires. Si cette valeur n'est pas correcte l'utilisateur avance l'aiguille 4 par pas successifs de 1/60 de tour par des pressions successives du poussoir P2 jusqu'à ce que la valeur exacte du quantième soit atteinte. Si la valeur 28, 30 ou 31 est dépassée l'aiguille (dépendant du nombre de jours du mois prédédemment introduit) l'aiguille de secondes 4 revient automatiquement à la position de départ et le cycle peut recommencer (Figure 4).The user presses once on push-button P1 memorizing the value of the month and passing to state III of the initialization function for the date (day) and the second hand 4 automatically returns to a position corresponding to the state of memories. If this value is not correct, the user advances the needle 4 in successive steps of 1/60 of a revolution by successive presses of the push-button P2 until the exact value of the date is reached. If the value 28, 30 or 31 is exceeded the hand (depending on the number of days in the month previously entered) the second hand 4 automatically returns to the starting position and the cycle can start again (Figure 4).

Dans cette forme d'exécution la fonction d'initialisation comporte encore un état IV pour l'initialisation de l'heure. En appuyant encore une fois sur le poussoir P1 l'utilisateur passe à cet état IV, la valeur du quantième précédemment ajustée est mémorisée et l'aiguille de secondes 4 avance par pas de 1/60 de tour (5 pas moteur) jusqu'à la valeur de l'heure mémorisée. Si cette valeur n'est pas correcte l'utilisateur provoque l'avance de l'aiguille des secondes 4 par pas de 1/60 de tour jusqu'à la valeur correcte. Si ce faisant il dépasse 23 pas, l'aiguille des secondes revient automatiquement à zéro et le cycle d'initialisation de l'heure peut recommencer (figure 5).In this embodiment, the initialization function also includes an IV state for initializing the time. By pressing push-button P1 once again, the user switches to this state IV, the previously adjusted date value is memorized and the seconds hand 4 advances in steps of 1/60 of a turn (5 engine steps) until the value of the stored time. If this value is not correct, the user causes the seconds hand 4 to advance by 1/60 turn to the correct value. If in doing so it exceeds 23 steps, the second hand automatically returns to zero and the time initialization cycle can start again (Figure 5).

Puis l'utilisateur appuye une fois sur le poussoir P1 mémorisant la valeur de l'heure et provoquant la mise à zéro de l'aiguille des secondes 4 et la fin de la fonction d'initialisation. La tige de mise à l'heure est remise en position normale rentrée.Then the user presses once on push-button P1 memorizing the value of the hour and causing the zeroing of the second hand 4 and the end of the initialization function. The time-setting rod is returned to the normal retracted position.

Cette montre chronographe comporte encore une fonction fin de vie de pile qui fait que lorsque la tension délivrée par la pile baisse au-dessous d'un seuil préétabli, l'aiguille des secondes du chronomètre 4 se place sur la position "10 secondes", la montre s'arrête avec la mémorisation de son état instantané, y compris les données relatives au calendrier perpétuel dans une mémoire FAMOS. Un sauvetage identique des valeurs est réalisé à chaque ouverture de la boîte à l'aide d'un contact de boîte approprié.This chronograph watch also has a battery end-of-life function which means that when the voltage delivered by the battery drops below a preset threshold, the second hand of the stopwatch 4 moves to the "10 seconds" position, the watch stops with the storage of its instantaneous state, including the data relating to the perpetual calendar in a FAMOS memory. Identical values are saved each time the box is opened using an appropriate box contact.

Après le changement de la pile, la fermeture de la boîte provoque par l'actionnement du contact de la boîte le tranfert des valeurs mémorisées dans les FAMOS, dans le compteur du chronographe. L'utilisateur provoque ensuite le rattrapage du temps écoulé par une correction rapide du quantième et une mise à l'heure. Après chaque fermeture de la boîte et avant la correction du rattrapage du temps écoulé, la montre chronographe peut passer automatiquement par un stade non statique pendant lequel la visualisation de l'état du calendrier perpétuel est possible. Ainsi l'utilisateur peut vérifier que le calendrier perpétuel est bien réglé ou le cas échéant, il peut alors procéder à une nouvelle initialisation de celui-ci.After changing the battery, closing the box causes the values stored in the FAMOS, in the chronograph counter, to be transferred by actuating the box contact. The user then causes the elapsed time to be caught up by a rapid correction of the date and setting the time. After each closing of the case and before the correction of the correction of the elapsed time, the chronograph watch can automatically go through a non-static stage during which the display of the state of the perpetual calendar is possible. Thus the user can check that the perpetual calendar is well adjusted or if necessary, he can then carry out a new initialization of it.

Ces différentes fonctions et d'autres que la présnte montre chronographe est capable de réaliser sont schématiquement visualisées sur la figure 6 où :

T1
est le contact de la position intermédiaire de la tige de mise à l'heure.
T2
est le contact de la position entièrement sortie de la tige de mise à l'heure.
Cb
est le contact de boîte indiquant si la boîte est ouverte ou fermée et proquant le sauvetage des valeurs lors de l'ouverture de la boîte.
P1
est le premier poussoir de chronographe.
P2
est le second poussoir de chronographe.
I1
est un contact actionné par la rotation de la couronne 11 vers la droite lorsqu'elle est en position entièrement tirée ou intermédiaire.
I2
est un contact actionné par la rotation de la couronne 11 vers la gauche lorsqu'elle est en position entièrement tirée ou intermédiaire.
These different functions and others that the present chronograph watch is capable of achieving are schematically shown in Figure 6 where:
T1
is the contact of the intermediate position of the time setting rod.
T2
is the contact of the fully extended position of the time setting rod.
Cb
is the box contact indicating whether the box is open or closed and causing the values to be saved when the box is opened.
P1
is the first chronograph pusher.
P2
is the second chronograph pusher.
I1
is a contact actuated by the rotation of the crown 11 to the right when it is in the fully pulled or intermediate position.
I2
is a contact actuated by the rotation of the crown 11 to the left when it is in the fully pulled or intermediate position.

Ainsi une rotation de la couronne 11 permet lorsque la tige de mise à l'heure est entièrement tirée de faire avancer respectivement reculer l'aiguille des minutes 3 pour la mise à l'heure de la montre, l'heure étant signalée par la procédure d'initialisation du calendrier perpétuel ou par la fonction de correction de fuseaux horaires en avant ou en arrière.Thus, a rotation of the crown 11 allows, when the time-setting rod is fully pulled out, to advance respectively back the minute hand 3 for setting the time of the watch, the time being indicated by the procedure perpetual calendar initialization or by correcting time zones forward or backward.

Ainsi pour la première fois on a réalisé un procédé d'initialisation du calendrier perpétuel d'une montre chronographe et de remontage de ses données en cas de fin de vie de pile à l'aide d'organes intégrés à la montre chronographe exclusivement, ainsi qu'une montre chronographe pour la mise en oeuvre de ce procédé.Thus, for the first time, a process was carried out for initializing the perpetual calendar of a chronograph watch and reassembling its data in the event of the end of battery life using organs integrated into the chronograph watch exclusively, thus than a chronograph watch for the implementation of this process.

Il est évident qu'une forme d'exécution particulière du procédé et de la montre chronographe ont été décrits à titre d'exemple mais de nombreuses variantes, notamment dans la procédure des commandes des diverses fonctions à partir de la tige de mise à l'heure et des pressions au chronographe peuvent être envisagées sans sortir du cadre de la protection revendiquée.It is obvious that a particular embodiment of the method and of the chronograph watch have been described by way of example but many variants, in particular in the procedure for controlling the various functions from the setting rod. time and chronograph pressures can be envisaged without going beyond the scope of the protection claimed.

Claims (10)

  1. A method for initializing a perpetual calendar of an analogue watch with a stopwatch function including a case, a knob (11) for selecting time and two stopwatch push-buttons (P1,P2), a dial (1) graduated in hours and minutes, a central second hand (4) of the stopwatch well as off-center circular scales on the stopwatch for minutes (5, 6) and hours (7, 8), each one being graduated and provided with a corresponding hand; at least one motor for driving these hands, an electronic circuit including a microprocessor controlled by a quartz time base, and a display for the day of the month (9, 10), characterized in that the initialization of the perpetual calendar, i. e. the number of the year in a four year cycle, the number of the month of the year and the indication of the day of the month is controlled by means of the knob (11) for selecting time and the two stopwatch push-buttons (P1,P2), and in that each one of the parameters to be initialized is displayed successively by means of the hands (2, 3, 4) and of the corresponding scale (1).
  2. A method according to claim 1, characterized in that the parameters initialized by means of the second hand (4) at the center of the stopwatch cooperating with the hours/minutes dial (1) are displayed.
  3. A method according to claim 1 and to claim 2, characterized in that the initialization function of the perpetual calendar is selected by placing the knob (11) for selecting time in a determined axial position and by pressing down the push-buttons P1 and P2 of the stopwatch according to a predetermined sequence.
  4. A method according to claim 3, characterized in that once the initialization function selected, the number of the year is initialized by pressing down successively the first push-button (P2), with each pressing down of this push-button producing additionally a progression by one quarter of a full rotation of the second hand (4) of the stopwatch.
  5. A method according to claim 4, characterized in that, after having initialized the number of the year, this information is memorized and the next step is carried out by pressing once on the second push-button (P1) and then the number of the month is initialized by pressing down successively the first push-button (P2), each pressing down of this push-button producing a progression by one twelfth of a full rotation of the second hand (4) of the stopwatch.
  6. A method according to claim 5, characterized in that after having initialized the number of the month, this value is memorized and the next step is carried out by pressing down once the second push-button (P1) and then the day of the month is initialized by pressing down successively the first push-button (P2), each pressing down of this button producing a progression by one sixtieth of a full rotation of the second hand (4) of the stopwatch.
  7. A method according to claim 6, characterized in that after having initialized the day of the month, this information is memorized and the next step is carried out by pressing down once the second push-button (P1) and then the hour is initialized by pressing down successively the first push-button (P2), each pressing down of this push-button producing a progression by one sixtieth of a full rotation of the second hand (4) of the stopwatch, and finally this value is memorized and the second push-button (P1) is pressed down to return to the initial stage of the initialization.
  8. A method according to one of the preceding claims, characterized in that the point of time when the voltage of the battery falls beneath a predetermined value, the current indications of the perpetual calendar are memorized automatically (year, month, day and hour) and in that the second hand (4) of the stopwatch is arrested at a position different from its position of reset to zero.
  9. A method according to one of the preceding claims, characterized in that at the instant when the watch case is opened, the current indications of the perpetual calendar (year, month, day, hour) are memorized automatically.
  10. An analogue watch with a stopwatch function for carrying into effect the method according to claim 1 including a case, a knob (11) for selecting time and two stopwatch push-buttons (P1,P2); a dial (1) graduated in hours and minutes, a central second hand (4) of the stopwatch, off-center circular scales on the stopwatch for minutes (5, 6) and hours (7, 8), each one being graduated and provided with a corresponding hand, as well as a display of the day of the month including an off-center circular scale (9) and a corresponding hand (10); at least two motors for driving these hands and an electronic circuit including a microprocessor controlled by a quartz time base, characterized in that it includes a knob (11) for selecting time with three axial positions of which one causes via contacts the implementation of the "initialization" mode and in that the push-buttons (P1,P2) of the stopwatch make possible the initialization of the perpetual calendar, i. e. successively of the year, the month, the day and the hour, and the display by the second hand (4) of the stopwatch, of the parameters initialized.
EP92100726A 1991-02-05 1992-01-17 Initialization procedure for a perpetual calender of a quartz analogue chronograph and quartz chronograph to put it into operation Expired - Lifetime EP0502292B1 (en)

Applications Claiming Priority (2)

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CH345/91A CH681677B5 (en) 1991-02-05 1991-02-05 The process of initializing perpetual calendar of an analogue quartz chronograph and quartz chronograph for its implementation.
CH345/91 1991-02-05

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EP0502292A1 EP0502292A1 (en) 1992-09-09
EP0502292B1 true EP0502292B1 (en) 1996-01-03

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EP (1) EP0502292B1 (en)
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DE (2) DE69207231T2 (en)
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CH661833GA3 (en) * 1985-12-18 1987-08-31
CH663313GA3 (en) * 1986-01-14 1987-12-15
CH665077GA3 (en) * 1986-10-15 1988-04-29
JPS63214686A (en) * 1987-03-03 1988-09-07 Citizen Watch Co Ltd Electronic watch with calendar
CH672222B5 (en) * 1987-11-11 1990-05-15 Rolex Montres

Also Published As

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ES2035812T1 (en) 1993-05-01
HK74096A (en) 1996-05-03
ATE132637T1 (en) 1996-01-15
DE502292T1 (en) 1993-02-04
TW197514B (en) 1993-01-01
DE69207231T2 (en) 1996-07-25
DE69207231D1 (en) 1996-02-15
JPH0560881A (en) 1993-03-12
ES2035812T3 (en) 1996-05-01
CH681677B5 (en) 1993-11-15
GR920300129T1 (en) 1993-03-16
EP0502292A1 (en) 1992-09-09
CH681677GA3 (en) 1993-05-14
DK0502292T3 (en) 1996-07-08
GR3019269T3 (en) 1996-06-30
US5239522A (en) 1993-08-24

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