EP1890204A1 - Resonator mounted in a case incorporating a clock module - Google Patents
Resonator mounted in a case incorporating a clock module Download PDFInfo
- Publication number
- EP1890204A1 EP1890204A1 EP06118973A EP06118973A EP1890204A1 EP 1890204 A1 EP1890204 A1 EP 1890204A1 EP 06118973 A EP06118973 A EP 06118973A EP 06118973 A EP06118973 A EP 06118973A EP 1890204 A1 EP1890204 A1 EP 1890204A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit
- resonator
- housing
- motor
- control
- 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.)
- Granted
Links
- 101000694973 Homo sapiens TATA-binding protein-associated factor 172 Proteins 0.000 claims description 4
- 102100028639 TATA-binding protein-associated factor 172 Human genes 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000010453 quartz Substances 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 3
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- 239000004020 conductor Substances 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 101150062199 MOT2 gene Proteins 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 102100022760 Stress-70 protein, mitochondrial Human genes 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
- G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
- G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
- G04F5/063—Constructional details
-
- 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
- G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
-
- 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
- G04C3/008—Mounting, assembling of components
-
- 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
Definitions
- the present invention relates generally to a resonator mounted in a housing, and more particularly to the incorporation into this housing of additional electronic components.
- Such resonators are used in many fields and more particularly in the fields of watchmaking and telephony.
- the electronic watches comprise a number of additional electronic elements requiring a second integrated circuit external to that of the oscillator incorporated in the housing of the piezoelectric resonator.
- the need to have two integrated circuits and therefore two substrates or equivalent to support these integrated circuits results in a significant occupation of the space available in the watch, which requires the volume of the latter to be excessive and therefore undesirable for reasons obvious aesthetics.
- an electronic watch with display analog includes a motor for driving the analog display, for example hands, so as to display a time information provided by the time base and transmitted to the motor by means of control of the latter. Therefore, these control means of the electric motor of the watch are in the context of the present invention advantageously integrated on the same circuit as the oscillator in the housing of the resonator.
- Such a solution also has the advantage of reducing the length of the connections between the electronic elements of the watch and thus reduces the sensitivity of the oscillator to the external disturbances. This reduction of disturbances thus makes it possible to work at high impedance, more sensitive to these disturbances, and thus to reduce the general consumption of the electronic circuits of the watch while preserving an immunity to acceptable disturbances.
- Advantageous embodiments are the subject of the dependent claims.
- the invention relates to an electronic watch comprising a time base formed by a resonator, for example a piezoelectric resonator, such as a quartz resonator 1, or a resonator in MEMS type silicon connected to the terminals of an oscillator 2 whose output is connected to a frequency divider circuit 3 to obtain the desired operating frequency for the watch so as to indicate the exact time.
- the output of the frequency divider circuit 3 is connected to a control circuit 4 of an electric motor 5 for driving the wheels, not shown here, rotating the analog display means, such as needles 6 for providing the indication of the time, ie hours, minutes and possibly seconds.
- a stepping motor also called bipolar
- a stator with high magnetic permeability for looping the magnetic circuit
- at least one coil having the function when it is energized, to create a magnetic field in the stator which is thus transformed into a magnet whose polarity depends on the direction of the current in the coil.
- the control circuit 4 of the motor provides a current flowing in the coil.
- the motor is controlled by a succession of positive and negative pulses spaced from power failure.
- the oscillator 2, the frequency divider circuit 3 and the control circuit 4 of the electric motor are all integrated on a single integrated circuit 7 in order to save the space occupied by the electronic elements of the watch as well as to reduce the electromagnetic disturbances on these electronic elements due in large part to the length of the wired connections between elements. Note that this reduces the number of external connections to four only instead of eight in normal times. Indeed, it is normally provided two connection terminals for the excitation of the resonator, two others for the connection with the integrated circuit, two others for the power supply of the integrated circuit and finally two for the control of the motor.
- the integrated circuit 7 is powered by a power source 8 of the watch.
- the main idea here is to further reduce the space occupied by the electronic elements of the watch.
- the integrated circuit 7, possibly the integrated circuits is cleverly arranged in the same housing 9 already used for fitting the piezoelectric resonator 1 inside the watch case.
- the arrangement of the integrated circuit 7 in the housing 9 of the resonator allows no only to optimize the space occupied by all these elements inside the watch case, but also increases the protection of the integrated circuits vis-à-vis external disturbances possible through the very short connection paths between the various elements inside the housing 9 of the resonator.
- An example of arrangement of these elements inside the housing 9 of the resonator is given in connection with FIGS. 2 and 3.
- FIGS. 1, 2 and 3 are identical.
- Figure 2 is a top view of the housing 9 containing the piezoelectric resonator 1 and an integrated circuit 7 comprising the electronic elements of the watch.
- the casing is generally made of parallelepiped-shaped ceramic comprising a main part with a bottom and sides and a cover, not shown, ensuring a hermetic closure of the casing 9, for example by vacuum welding or any other suitable means for obtaining a hermetic assembly.
- the cover is provided in glass so as to make it possible to carry out once the housing hermetically closed precise laser adjustment of the frequency of the resonator, which has the advantage of avoiding the difficult functions to implement inhibiting or terminating the oscillator conventionally provided before the closure of the housing to adjust the frequency of the resonator.
- the piezoelectric resonator 1 and the integrated circuit 7 are mounted in the main part of the housing.
- the resonator is preferably a tuning-fork quartz resonator whose base 11 and vibrating arms comprise metallizations which form two groups of electrodes 12 and 13 which make it possible to subject them to electric fields in order to make them vibrate.
- the connections between the resonator 1 and the integrated circuit 7, are preferably made by means of holes 22 formed in the rungs 17 and filled with a conductive adhesive, or any other suitable conductive material, providing the connection with conductive tracks.
- connection terminals 14 and 15 connected on the one hand with the outside of the housing and on the other hand, with the inside of the housing. Inside the housing these four connection terminals are connected to the integrated circuit 7. Outside the housing, the two connection terminals 14 are connected to the power supply, shown in FIG. supplying the integrated circuit 7, and the other two connection terminals 15 are connected across the coil of the electric motor to provide positive and negative electrical pulses.
- the proposed connections are only as a non-limitative example, and that of the same as an alternative, it suffices that two terminals among the four terminals 14 and 15 are connected to the power source on the one hand, and that the other two remaining terminals are connected to the motor coil of other go.
- connection terminals 14 and 15 to perform on the one hand the power supply of the integrated circuit, and on the other hand, the control of the motor through the motor control circuit integrated in the integrated circuit 7 provides a simple and small solution through the use of a single housing 9 including the time base and the motor control circuit, and effective as robust to the various electromagnetic disturbances.
- FIG. 3 is a view in median and longitudinal section along section AA of FIG. 2.
- the resonator 1 is mounted by welding or bonding with a conductive glue the connection pads of FIGS. two groups of electrodes 12 and 13 located on the base of the resonator with corresponding conductive pads 16 provided on rungs 17 of the bottom of the housing 9 allowing the positioning of the resonator 1 above the integrated circuit 7 arranged in turn in the bottom of the housing 9.
- the connection between the connection pads located on the base of the resonator 1 and the integrated circuit 7 for effecting the excitation of the electrodes and ensuring the vibration of the resonator can be done as already mentioned in relation with FIG.
- connection means (16, 22, 23) has the advantage of being on the one hand very short and on the other hand to reach the surface bottom of the integrated circuit 7, namely that which receives all the connections. It should be noted, however, that other suitable solutions may be envisaged by those skilled in the art.
- connection pads 18 are advantageously located under the integrated circuit 7 connected to the terminals.
- connection 14 and 15 via tracks or conductive pads 19 (see Figure 2) and holes 20 through the bottom of the housing 9 and filled with a conductive adhesive 21 or any other suitable conductive material. These holes being located opposite the connection terminals 14 and 15, the conductive adhesive provides the electrical connection with the inside of the housing.
- connection between the connection terminals MOT1 and MOT2 of the housing 9 is provided, corresponding to the output terminals of the motor control circuit, and the motor coil to allow the transmission of positive and negative electrical pulses via either one of the connection terminals, which ensures the proper the hands and therefore the time indication for the watch.
- connection terminals for example MOT1 enabling the positive pulse transmission
- an external control member of the watch Actuation of this switch blocks motor control and thus interrupts the time indication. This interruption is necessary to allow the delivery on time of the watch.
- the external control member used is the crown rod.
- the user has only to pull the crown rod from the depressed position 1 to the pulled position 2 to interrupt the time indicating mechanism, the switch passing from its position open (position 1) to its closed position (position 2).
- One of the advantages is that when the crown is pulled out, the switch is then conductive and the motor pitches are stopped which makes it possible to share the connection terminal MOT1 without difficulty and to further reduce the connections.
- the two functions, motor control on the one hand, and engine stop on the other hand exclude time.
- the control member may be a push button or other two-position mechanism easily actuated by the user of the watch.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Electric Clocks (AREA)
- Pinball Game Machines (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
La présente invention concerne, de manière générale un résonateur monté dans un boîtier, et plus particulièrement, l'incorporation dans ce boîtier de composants électroniques additionnels. De tels résonateurs sont utilisés dans de nombreux domaines et plus particulièrement dans les domaines de l'horlogerie et de la téléphonie.The present invention relates generally to a resonator mounted in a housing, and more particularly to the incorporation into this housing of additional electronic components. Such resonators are used in many fields and more particularly in the fields of watchmaking and telephony.
Il est connu dans l'art antérieur d'utiliser un résonateur à quartz en forme de diapason associé à un oscillateur pour former une base de temps. Dans le but de toujours réduire la place occupée par une telle base de temps en vue par exemple de son intégration dans un dispositif électronique portable, il est connu de monter ledit résonateur à quartz en forme de diapason et le circuit intégré comprenant l'oscillateur dans un même boîtier.It is known in the prior art to use a tuning fork crystal resonator associated with an oscillator to form a time base. In order to always reduce the space occupied by such a time base with a view, for example, of its integration into a portable electronic device, it is known to mount said diaphragm quartz resonator and the integrated circuit comprising the oscillator in the same case.
Bien que ces solutions antérieures permettent de réduire le volume occupé par la base de temps, il a été montré plus particulièrement dans le domaine de l'horlogerie que l'espace disponible restait insuffisant pour réaliser une pièce d'horlogerie de petites dimensions. En effet, les montres électroniques comprennent un certain nombre d'éléments électroniques additionnels nécessitant de prévoir un deuxième circuit intégré externe à celui de l'oscillateur incorporé dans le boîtier du résonateur piézoélectrique. La nécessité d'avoir deux circuits intégrés et donc deux substrats ou équivalents pour supporter ces circuits intégrés entraîne une importante occupation de l'espace disponible dans la montre nécessitant d'augmenter le volume de cette dernière de manière excessive et donc peu souhaitable pour des raisons évidentes d'esthétiques.Although these prior solutions make it possible to reduce the volume occupied by the time base, it has been shown more particularly in the field of watchmaking that the available space remained insufficient to produce a small timepiece. Indeed, the electronic watches comprise a number of additional electronic elements requiring a second integrated circuit external to that of the oscillator incorporated in the housing of the piezoelectric resonator. The need to have two integrated circuits and therefore two substrates or equivalent to support these integrated circuits results in a significant occupation of the space available in the watch, which requires the volume of the latter to be excessive and therefore undesirable for reasons obvious aesthetics.
L'un des buts principaux de la présente invention est de pallier aux inconvénients susmentionnés. A cet effet, la présente invention concerne une montre électronique selon la revendication 1. En effet, une montre électronique à affichage analogique comprend un moteur pour entraîner l'affichage analogique, par exemple des aiguilles, de manière à afficher une information horaire fournie par la base de temps et transmise au moteur par des moyens de commande de ce dernier. C'est pourquoi, ces moyens de commande du moteur électrique de la montre sont dans le cadre de la présente invention avantageusement intégrés sur le même circuit que l'oscillateur dans le boîtier du résonateur. Une telle solution présente en outre l'avantage de réduire la longueur des connexions entre les éléments électroniques de la montre et réduit ainsi d'autant la sensibilité de l'oscillateur aux perturbations externes. Cette réduction des perturbations permet ainsi de pouvoir travailler à haute impédance, plus sensible à ces perturbations, et donc de diminuer la consommation générale des circuits électroniques de la montre tout en préservent une immunité aux perturbations acceptables. Des modes de réalisations avantageux font l'objet des revendications dépendantes.One of the main aims of the present invention is to overcome the aforementioned drawbacks. For this purpose, the present invention relates to an electronic watch according to
D'autres caractéristiques et avantages de la présente invention apparaîtront plus clairement à la lecture de la description détaillée qui suit de modes de réalisation de l'invention donnés uniquement à titre d'exemple non limitatif et illustrés par le dessin annexé où :
- la figure 1 est une vue schématique d'une montre électronique avec affichage analogique selon un mode de réalisation de l'invention;
- la figure 2 est une vue de dessus d'un boîtier ouvert contenant la base de temps et le circuit de commande du moteur;
- la figure 3 est une vue selon la coupe A-A de la figure 2;
- la figure 4 est une vue schématique d'un mode de réalisation avantageux de la présente invention.
- Figure 1 is a schematic view of an electronic watch with an analogue display according to one embodiment of the invention;
- Figure 2 is a top view of an open housing containing the time base and the motor control circuit;
- Figure 3 is a view according to section AA of Figure 2;
- Figure 4 is a schematic view of an advantageous embodiment of the present invention.
Conformément à un premier mode de réalisation de l'invention représenté schématiquement sur la figure 1, l'invention concerne une montre électronique comprenant une base de temps formé par un résonateur par exemple piézoélectrique, comme un résonateur à quartz 1, ou encore un résonateur en silicium du type MEMS connecté aux bornes d'un oscillateur 2 dont la sortie est connectée à un circuit diviseur de fréquence 3 pour obtenir la fréquence de marche souhaitée pour la montre de manière à indiquer l'heure exacte. La sortie du circuit diviseur de fréquence 3 est connectée à un circuit de commande 4 d'un moteur électrique 5 permettant d'entraîner les rouages, non représentés ici, faisant tourner les moyens d'affichage analogiques, tels que des aiguilles 6 servant à fournir l'indication de l'heure, i.e. heures, minutes et éventuellement secondes. On pourra utiliser par exemple de manière classique un moteur pas à pas, encore appelé bipolaire, formé d'un rotor aimanté, un stator à haute perméabilité magnétique pour réaliser le bouclage du circuit magnétique et d'au moins une bobine ayant pour fonction, lorsqu'elle est mise sous tension, de créer un champ magnétique dans le stator qui se transforme ainsi en aimant dont la polarité dépend du sens du courant dans la bobine. Ainsi le circuit de commande 4 du moteur fourni un courant qui circule dans la bobine. Le moteur est commandé par une succession d'impulsions positive et négative espacées de coupure de courant. Toutefois, on pourra bien entendu utiliser d'autres types de moteur, comme par exemple un moteur pas à pas biphasé afin d'obtenir un moteur bidirectionnel permettant une mise à l'heure de la montre dans les sens avant et arrière.According to a first embodiment of the invention shown schematically in FIG. 1, the invention relates to an electronic watch comprising a time base formed by a resonator, for example a piezoelectric resonator, such as a
Avantageusement, comme cela est représenté sur la figure 1, l'oscillateur 2, le circuit diviseur de fréquence 3 et le circuit de commande 4 du moteur électrique sont tous intégrés sur un unique circuit intégré 7 dans le but d'économiser la place occupée par les éléments électroniques de la montre ainsi que pour diminuer les perturbations électromagnétiques sur ces éléments électroniques dues en grande partie à la longueur des connexions filaires entre éléments. On notera encore que cela permet de réduire le nombre de connexions extérieures à quatre uniquement au lieu de huit en temps normal. En effet, il est normalement prévu deux bornes de connexion pour l'excitation du résonateur, deux autres pour la connexion avec le circuit intégré, deux autres pour l'alimentation du circuit intégré et enfin deux pour la commande du moteur. Ici seules quatre bornes sont nécessaires en externe sur le boîtier, les deux bornes d'alimentation du circuit intégré et les deux bornes de connexion du circuit intégré qui servent également de bornes de commande du moteur. Les deux bornes d'excitation entre le résonateur et le circuit intégré sont agencées uniquement en interne du boîtier. On pourra néanmoins prévoir d'utiliser plusieurs circuits intégrés disposer les uns à côtés des autres sans toutefois bénéficier pleinement des avantages susmentionnés. Le circuit intégré 7 est alimenté par une source d'alimentation 8 de la montre.Advantageously, as shown in FIG. 1, the
La principale idée ici consiste à encore réduire l'espace occupée par les éléments électroniques de la montre. Pour cela, le circuit intégré 7, éventuellement les circuits intégrés, est astucieusement agencé dans un même boîtier 9 servant déjà à l'emboîtage du résonateur piézoélectrique 1 à l'intérieur de la boîte de montre. L'agencement du circuit intégré 7 dans le boîtier 9 du résonateur permet non seulement d'optimiser l'espace occupée par l'ensemble de ces éléments à l'intérieur de la boîte de montre, mais aussi accroît la protection des circuits intégrés vis-à-vis de perturbations externes éventuelles grâce aux pistes de connexions très courtes entre les différents éléments à l'intérieur du boîtier 9 du résonateur. Un exemple de disposition de ces éléments à l'intérieur du boîtier 9 du résonateur est donné en liaison avec les figures 2 et 3.The main idea here is to further reduce the space occupied by the electronic elements of the watch. For this, the integrated
Les références numériques des éléments communs aux figures 1, 2 et 3 sont identiques. La figure 2 est une vue de dessus du boîtier 9 contenant le résonateur piézoélectrique 1 ainsi qu'un circuit intégré 7 comprenant les éléments électroniques de la montre. On notera que sur cette figure 2, le boîtier est généralement en céramique de forme parallélépipédique comprenant une partie principale avec un fond et des côtés et un couvercle, non représenté, assurant une fermeture hermétique du boîtier 9 par exemple par soudure sous vide ou tout autre moyen approprié pour obtenir un assemblage hermétique. On notera qu'avantageusement le couvercle est prévu en verre de manière à permettre d'effectuer une fois le boîtier hermétiquement fermé un réglage précis au laser de la fréquence du résonateur, ce qui a pour avantage d'éviter les fonctions difficile à mettre en oeuvre d'inhibition ou de fin réglage de l'oscillateur traditionnellement prévu avant la fermeture du boîtier pour ajuster la fréquence du résonateur.The numerical references of the elements common to FIGS. 1, 2 and 3 are identical. Figure 2 is a top view of the
Comme on peut le voir sur cette figure 2, le résonateur piézoélectrique 1 ainsi que le circuit intégré 7 sont montés dans la partie principale du boîtier. Le résonateur est de préférence un résonateur à quartz en forme de diapason dont la base 11 et les bras 10 vibrants comportent des métallisations qui forment deux groupes d'électrodes 12 et 13 qui permettent de les soumettre à des champs électriques pour les faire vibrer. Les connexions entre le résonateur 1 et le circuit intégré 7, sont réalisées de préférence au moyen de trous 22 formés dans les échelons 17 et remplis d'une colle conductrice, ou tout autre matériau conducteur approprié, assurant la connexion avec des pistes conductrices.As can be seen in this Figure 2, the
Considérant encore la figure 2, il est prévu sous le boîtier 9, quatre bornes de connexion 14 et 15 connectées d'une part avec l'extérieur du boîtier et d'autre part, avec l'intérieur du boîtier. A l'intérieur du boîtier ces quatre bornes de connexion sont connectées au circuit intégré 7. A l'extérieur du boîtier, les deux bornes de connexion 14 sont connectées à la source d'alimentation, représentée sur la figure 1, pour permettre d'alimenter le circuit intégré 7, et les deux autres bornes de connexion 15 sont connectées aux bornes de la bobine du moteur électrique pour lui fournir des impulsions électriques positives et négatives. On notera que les connexions proposées, le sont uniquement à titre d'exemple non limitatif, et que de la même manière, à titre d'alternative, il suffit que deux bornes parmi les quatre bornes 14 et 15 soient connectées à la source d'alimentation d'une part, et que les deux autres bornes restantes soient connectées à la bobine du moteur d'autre part. L'utilisation de ces quatre bornes de connexion 14 et 15 pour effectuer d'une part l'alimentation du circuit intégré, et d'autre part, la commande du moteur par le biais du circuit de commande du moteur intégré dans le circuit intégré 7 permet d'obtenir une solution simple et peu volumineuse par le biais de l'utilisation d'un boîtier 9 unique comprenant la base de temps et le circuit de commande du moteur, et efficace car robuste aux diverses perturbations électromagnétiques.Referring again to Figure 2, there is provided under the
La figure 3 est une vue en coupe médiane et longitudinale selon la coupe A-A de la figure 2. Comme cela est visible sur cette figure 3, le montage du résonateur 1 est effectué en soudant ou en collant avec une colle conductrice les plages de connexion des deux groupes d'électrodes 12 et 13 situées sur la base du résonateur avec des plages conductrices correspondantes 16 prévues sur des échelons 17 du fond du boîtier 9 permettant le positionnement du résonateur 1 au-dessus du circuit intégré 7 disposé quant à lui dans le fond du boîtier 9. La connexion entre les plages de connexion situées sur la base du résonateur 1 et le circuit intégré 7 pour effectuer l'excitation des électrodes et assurer la vibration du résonateur peut se faire comme déjà mentionner en relation avec la figure 2, par l'intermédiaire des plages conductrices 16 reliés à des trous 22 formés dans les échelons 17 et remplis d'un matériau conducteur approprié, connectés aux pistes conductrices 23 (voir figure 2) reliées elles-mêmes au circuit intégré 7. Ces moyens de connexion (16, 22, 23) présente l'avantage d'être d'une part très courts et d'autre part d'atteindre la surface de dessous du circuit intégré 7, à savoir celle qui reçoit toutes les connexions. On notera toutefois que d'autres solutions adéquates pourront être envisagées par l'homme de l'art.FIG. 3 is a view in median and longitudinal section along section AA of FIG. 2. As can be seen in this FIG. 3, the
La connexion entre le circuit intégré et l'extérieur du boîtier peut s'effectuer comme représenté sur les figures 2 et 3. En effet, dans cet exemple, il est prévu des plots de connexions 18 avantageusement situés sous le circuit intégré 7 connectés aux bornes de connexion 14 et 15 par l'intermédiaire de pistes ou plages conductrices 19 (voir sur la figure 2) et de trous 20 traversant le fond du boîtier 9 et remplis d'une colle conductrice 21 ou de tout autre matériau conducteur approprié. Ces trous étant situés en regard des bornes de connexion 14 et 15, la colle conductrice assure la connexion électrique avec l'intérieur du boîtier.The connection between the integrated circuit and the outside of the housing can be carried out as shown in FIGS. 2 and 3. Indeed, in this example,
La figure 4 représente un mode de réalisation particulièrement avantageux selon la présente invention. Comme dans le mode de réalisation précédent, il est prévu la connexion entre les bornes 15 de connexion MOT1 et MOT2 du boîtier 9, correspondant aux bornes de sortie du circuit de commande du moteur, et la bobine du moteur pour permettre la transmission d'impulsions électriques positives et négatives par l'intermédiaire de l'une ou l'autre des bornes de connexion, ce qui assure la bonne marche des aiguilles et donc de l'indication de l'heure pour la montre. De plus dans ce mode avantageux, il est prévu en outre de connecter l'une des bornes de connexion, par exemple MOT1 permettant la transmission d'impulsion positive, à un interrupteur actionné par un organe de commande externe de la montre. L'actionnement de cet interrupteur permet de bloquer la commande du moteur et donc d'interrompre l'indication de l'heure. Cette interruption est nécessaire pour permettre la remise à l'heure de la montre. De préférence, l'organe de commande externe utilisé est la tige couronne. Ainsi, comme pour une montre mécanique, l'utilisateur n'a qu'à tirer la tige couronne depuis la position enfoncée 1 vers la position tirée 2 pour interrompre le mécanisme d'indication de l'heure, l'interrupteur passant de sa position ouverte (position 1) à sa position fermée (position 2). Un des intérêt est que lorsque la couronne est tirée, l'interrupteur est alors conducteur et les pas moteurs sont stoppés ce qui permet de partager la borne de connexion MOT1 sans difficulté et de réduire encore la connectique. Dans la mesure où les deux fonctions, de commande moteur d'une part, et d'arrêt du moteur d'autre part, s'excluent temporellement. A cet effet, on peut prévoir une résistance du côté de la borne de l'interrupteur connectée à un potentiel de référence pour éviter la collision entre les deux fonctions ou encore gérer les collisions dans le circuit intégré, ce qui évite l'utilisation de la résistance susmentionnée. Alternativement, l'organe de commande pourra être un bouton poussoir ou tout autre mécanisme à deux positions actionnable facilement par l'utilisateur de la montre.Figure 4 shows a particularly advantageous embodiment according to the present invention. As in the previous embodiment, the connection between the connection terminals MOT1 and MOT2 of the
On comprendra que diverses modifications et / ou améliorations évidentes pour l'homme du métier peuvent être apportées aux différentes modes de réalisation de l'invention décrits dans la présente description, et cela sans sortir du cadre de l'invention défini par les revendications annexées.It will be understood that various modifications and / or improvements obvious to those skilled in the art can be made to the various embodiments of the invention described in this description, without departing from the scope of the invention defined by the appended claims.
Claims (6)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06118973A EP1890204B1 (en) | 2006-08-16 | 2006-08-16 | Electronic timepiece comprising a resonator |
ES06118973T ES2376341T3 (en) | 2006-08-16 | 2006-08-16 | ELECTRONIC WATCH WITH A RESONATOR. |
AT06118973T ATE532113T1 (en) | 2006-08-16 | 2006-08-16 | ELECTRONIC CLOCK MOVEMENT WITH A RESONATOR |
PCT/EP2007/007172 WO2008019819A1 (en) | 2006-08-16 | 2007-08-14 | Resonator mounted in a case incorporating a timepiece module |
KR1020097003078A KR101390577B1 (en) | 2006-08-16 | 2007-08-14 | Resonator mounted in a case incorporating a timepiece module |
JP2009524112A JP5124576B2 (en) | 2006-08-16 | 2007-08-14 | Resonator mounted in a case incorporating a watch module |
US12/377,826 US8149651B2 (en) | 2006-08-16 | 2007-08-14 | Resonator mounted in a case incorporating a watch module |
CN2007800304630A CN101506742B (en) | 2006-08-16 | 2007-08-14 | Resonator mounted in a case incorporating a clock module |
TW096129998A TWI430059B (en) | 2006-08-16 | 2007-08-14 | Resonator mounted in a case incorporating a watch module |
HK09110289.0A HK1133094A1 (en) | 2006-08-16 | 2009-11-05 | Resonator mounted in a case incorporating a timepiece module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06118973A EP1890204B1 (en) | 2006-08-16 | 2006-08-16 | Electronic timepiece comprising a resonator |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1890204A1 true EP1890204A1 (en) | 2008-02-20 |
EP1890204B1 EP1890204B1 (en) | 2011-11-02 |
Family
ID=37119833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06118973A Active EP1890204B1 (en) | 2006-08-16 | 2006-08-16 | Electronic timepiece comprising a resonator |
Country Status (10)
Country | Link |
---|---|
US (1) | US8149651B2 (en) |
EP (1) | EP1890204B1 (en) |
JP (1) | JP5124576B2 (en) |
KR (1) | KR101390577B1 (en) |
CN (1) | CN101506742B (en) |
AT (1) | ATE532113T1 (en) |
ES (1) | ES2376341T3 (en) |
HK (1) | HK1133094A1 (en) |
TW (1) | TWI430059B (en) |
WO (1) | WO2008019819A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2141559A1 (en) | 2008-07-01 | 2010-01-06 | EM Microelectronic-Marin SA | Timepiece fitted with a control case for an electric motor |
EP2169479A1 (en) * | 2008-09-29 | 2010-03-31 | ETA SA Manufacture Horlogère Suisse | Time base device for a watch |
WO2014095538A1 (en) * | 2012-12-21 | 2014-06-26 | Eta Sa Manufacture Horlogère Suisse | Thermocompensated timepiece circuit |
EP2784605A1 (en) * | 2013-03-27 | 2014-10-01 | ETA SA Manufacture Horlogère Suisse | Thermocompensated chronometer circuit |
CN109212949A (en) * | 2018-09-28 | 2019-01-15 | 北京空间机电研究所 | A kind of spacecraft high precision timing system |
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FR2283478A1 (en) * | 1974-08-30 | 1976-03-26 | Ebauches Sa | ELECTRONIC CIRCUIT FOR WATCH |
US3969640A (en) * | 1972-03-22 | 1976-07-13 | Statek Corporation | Microresonator packaging and tuning |
GB1581917A (en) * | 1977-06-06 | 1980-12-31 | Citizen Watch Co Ltd | Integrated circuit for electronic timepiece |
EP0253227A1 (en) * | 1986-07-10 | 1988-01-20 | EM Microelectronic-Marin SA (EM Microelectronic-Marin AG) (EM Microelectronic-Marin Ltd) | Device for programming a non volatile memory of a time piece |
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JPS49122768A (en) * | 1973-03-27 | 1974-11-25 | Suwa Seikosha Kk | |
US4133169A (en) * | 1974-08-30 | 1979-01-09 | Ebauches S.A. | Electronic circuit for a quartz crystal watch |
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JPS5138664A (en) * | 1974-09-30 | 1976-03-31 | Seiko Instr & Electronics | Denshidokeino kairokiban |
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2006
- 2006-08-16 AT AT06118973T patent/ATE532113T1/en active
- 2006-08-16 ES ES06118973T patent/ES2376341T3/en active Active
- 2006-08-16 EP EP06118973A patent/EP1890204B1/en active Active
-
2007
- 2007-08-14 CN CN2007800304630A patent/CN101506742B/en active Active
- 2007-08-14 JP JP2009524112A patent/JP5124576B2/en active Active
- 2007-08-14 US US12/377,826 patent/US8149651B2/en not_active Expired - Fee Related
- 2007-08-14 TW TW096129998A patent/TWI430059B/en active
- 2007-08-14 WO PCT/EP2007/007172 patent/WO2008019819A1/en active Application Filing
- 2007-08-14 KR KR1020097003078A patent/KR101390577B1/en active IP Right Grant
-
2009
- 2009-11-05 HK HK09110289.0A patent/HK1133094A1/en unknown
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US3969640A (en) * | 1972-03-22 | 1976-07-13 | Statek Corporation | Microresonator packaging and tuning |
FR2283478A1 (en) * | 1974-08-30 | 1976-03-26 | Ebauches Sa | ELECTRONIC CIRCUIT FOR WATCH |
GB1581917A (en) * | 1977-06-06 | 1980-12-31 | Citizen Watch Co Ltd | Integrated circuit for electronic timepiece |
EP0253227A1 (en) * | 1986-07-10 | 1988-01-20 | EM Microelectronic-Marin SA (EM Microelectronic-Marin AG) (EM Microelectronic-Marin Ltd) | Device for programming a non volatile memory of a time piece |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2141559A1 (en) | 2008-07-01 | 2010-01-06 | EM Microelectronic-Marin SA | Timepiece fitted with a control case for an electric motor |
US7944777B2 (en) | 2008-07-01 | 2011-05-17 | Em Microelectronic-Marin Sa | Watch fitted with an electric motor control case |
CN101620409B (en) * | 2008-07-01 | 2012-02-29 | Em微电子马林有限公司 | Timepiece fitted with a control case for an electric motor |
EP2169479A1 (en) * | 2008-09-29 | 2010-03-31 | ETA SA Manufacture Horlogère Suisse | Time base device for a watch |
US8259537B2 (en) | 2008-09-29 | 2012-09-04 | Eta Sa Manufacture Horlogère Suisse | Time base device for a watch |
CN101713958B (en) * | 2008-09-29 | 2013-09-11 | 伊塔瑞士钟表制造股份有限公司 | Time base device for a watch |
WO2014095538A1 (en) * | 2012-12-21 | 2014-06-26 | Eta Sa Manufacture Horlogère Suisse | Thermocompensated timepiece circuit |
US10274899B2 (en) | 2012-12-21 | 2019-04-30 | Eta Sa Manufacture Horlogère Suisse | Thermocompensated chronometer circuit |
EP2784605A1 (en) * | 2013-03-27 | 2014-10-01 | ETA SA Manufacture Horlogère Suisse | Thermocompensated chronometer circuit |
CN109212949A (en) * | 2018-09-28 | 2019-01-15 | 北京空间机电研究所 | A kind of spacecraft high precision timing system |
CN109212949B (en) * | 2018-09-28 | 2020-10-23 | 北京空间机电研究所 | High-precision timing system of spacecraft |
Also Published As
Publication number | Publication date |
---|---|
TW200827956A (en) | 2008-07-01 |
ES2376341T3 (en) | 2012-03-13 |
HK1133094A1 (en) | 2010-03-12 |
CN101506742A (en) | 2009-08-12 |
US20100246340A1 (en) | 2010-09-30 |
EP1890204B1 (en) | 2011-11-02 |
CN101506742B (en) | 2012-06-06 |
ATE532113T1 (en) | 2011-11-15 |
JP2010500583A (en) | 2010-01-07 |
KR20090048459A (en) | 2009-05-13 |
WO2008019819A1 (en) | 2008-02-21 |
US8149651B2 (en) | 2012-04-03 |
TWI430059B (en) | 2014-03-11 |
KR101390577B1 (en) | 2014-04-30 |
JP5124576B2 (en) | 2013-01-23 |
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