EP1237058A1 - Usage of a non-magnetic coating for covering parts in a horological movement - Google Patents

Usage of a non-magnetic coating for covering parts in a horological movement Download PDF

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Publication number
EP1237058A1
EP1237058A1 EP01200752A EP01200752A EP1237058A1 EP 1237058 A1 EP1237058 A1 EP 1237058A1 EP 01200752 A EP01200752 A EP 01200752A EP 01200752 A EP01200752 A EP 01200752A EP 1237058 A1 EP1237058 A1 EP 1237058A1
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EP
European Patent Office
Prior art keywords
magnetic
movement
generator
parts
functional unit
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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.)
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Application number
EP01200752A
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German (de)
French (fr)
Inventor
Frédéric Leuba
Denis Burdet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ETA Manufacture Horlogere Suisse SA
Original Assignee
ETA Manufacture Horlogere Suisse SA
Ebauchesfabrik ETA AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ETA Manufacture Horlogere Suisse SA, Ebauchesfabrik ETA AG filed Critical ETA Manufacture Horlogere Suisse SA
Priority to EP01200752A priority Critical patent/EP1237058A1/en
Priority to AT02709965T priority patent/ATE282844T1/en
Priority to DE60201978T priority patent/DE60201978T2/en
Priority to JP2002570016A priority patent/JP2004521340A/en
Priority to EP02709965A priority patent/EP1366391B1/en
Priority to PCT/CH2002/000089 priority patent/WO2002071159A1/en
Priority to CN02805594.2A priority patent/CN1252549C/en
Priority to US10/572,068 priority patent/US20070025188A1/en
Publication of EP1237058A1 publication Critical patent/EP1237058A1/en
Priority to US10/649,304 priority patent/US20040042349A1/en
Priority to HK04107240A priority patent/HK1064452A1/en
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • 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

Definitions

  • the present invention relates to a movement for a timepiece comprising in particular a functional unit comprising magnetic masses, said functional unit being located within said movement and therefore surrounded at at least partially of non-magnetic blank parts covered with a finish coating.
  • the subject of this application concerns a timepiece of which said functional unit is a microgenerator.
  • non-magnetic material or “non-magnetic” material that is not ferromagnetic, that is not or that very weakly paramagnetic, and which will eventually show diamagnetism low.
  • close to the microgenerator is meant the entire region microgenerator device in which the magnetic flux of the masses magnetized has significant value.
  • the Applicant has found the existence of sources of magnetic disturbances at inside the watch movement. Indeed, the interest of such a timepiece increases when its energy consumption decreases, that is to say when by for example, the efficiency of the generator increases. Based on this observation, the Applicant has highlighted that not only ferromagnetic masses, such as rough parts or steel supplies, but also the presence thin layers of ferromagnetic coating on non-blank parts magnetic, located near the generator, exert on the latter a parasitic magnetic force thus reducing its efficiency.
  • the present invention therefore aims to improve the timepiece above by avoiding the drawbacks described above, in particular thanks to a simple and inexpensive manufacturing improvement.
  • the invention relates to a timepiece of the type indicated above, characterized by the fact that said top coating covering said blank parts located near said functional unit have essentially non-magnetic properties.
  • the various parts of the blank are covered with a non-magnetic nickel-based alloy ensuring effective protection against the risks of oxidation while ensuring an appearance very correct aesthetics. It should be noted that this type of alloy has excellent adhesion to the surface of the blank.
  • said first layer based on nickel is covered with a second metallic layer, in particular to modify the aesthetic aspect.
  • a gold-based alloy to give a golden color on the blank, which generally corresponds to a level of more luxurious timepiece finish.
  • the first layer based nickel also provides a diffusion barrier function, preventing gold from to diffuse in the mass of the blank.
  • FIG. 1 represents a view of the generator 1 comprising a rotor 2 having two flanges 3, only one of which is shown, arranged on either side of three flat coils 4 forming the stator and offset substantially by 120 degrees one relative to the other relative to the axis of the rotor 2, in the same plane orthogonal to this one.
  • a printed circuit 6 serves in particular as a support for the coils 4 and for an integrated circuit 7.
  • the power supply of the integrated circuit 7, with low energy consumption, is provided by the electric microgenerator 1 - consisting of the shaft assembly 8 of the rotor 2, flanges 3, magnets 5 and coils 4 - driven via a kinematic link 9 by a barrel device 10.
  • the passage of the magnets 5 near the coils 4 generates a substantially sinusoidal induced voltage across these coils 4.
  • the Applicant has shown during its research that the fact to use a conventional magnetic material for the realization of the coating of finishing the blank has a significant influence on the performance of the micro-generator. Surprisingly, the exclusive use of non-magnetic materials for the coating operates a significant reduction in magnetic disturbances, the magnetic coupling between the magnetized masses 5 and the coils 4 and therefore the efficiency of microgenerator 1 thus being increased.
  • the timepiece movement according to the invention thus comprises at least parts of the blank 11, 12 made of brass or any other suitable material having non-magnetic properties. Furthermore, in accordance with the invention, the blank is covered with a metal coating for protection against oxidation. For the above reasons, this metallic coating is also produced in a material having no magnetic properties, such as a non-magnetic alloy of nickel with phosphorus or tin. When the movement is intended to be mounted in a timepiece with high added value, an alloy can be used non-magnetic rhodium-based for coating said parts 11, 12 of the draft.
  • a covering comprising at least two layers of different materials. Indeed, if we want to make a movement with a golden finish on the blank, it should be applied to said parts 11, 12 of roughing a first treatment in order to cover them with a protective undercoat, generally made of nickel. We thus obtains a first layer of protection against oxidation which fills also a diffusion barrier function, preventing gold from diffusing into the mass of the blank.
  • this thin undercoat is made here of an alloy non-magnetic, preferably nickel-based, in accordance with the invention.

Abstract

The micro-generator (1) includes magnetic parts (5) and is partially surrounded by non magnetic parts (11,12) covered by a finishing cover. The finishing cover covering the rough finish parts (11,12) situated in proximity to the micro-generator has essentially non-magnetic properties. The covering includes at least two metallic layers, and at least those in contact with the parts (11,12) contains nickel forming part of a non-magnetic alloy. The micro-generator (1) has a rotor (2) including two disk flanges (3). Each disk has on its face opposite the other a number of magnets (5). The micro-generator has also an electronic module (6) including at least a stator winding (4) partially inserted between the two disk flanges (3). The generator is partially situated in a volume delimited by the orthogonal projections from the parts (11,12). The generator detects the presence of an external magnetic field and assures the operation of a compass.

Description

La présente invention concerne un mouvement pour pièce d'horlogerie comportant notamment une unité fonctionnelle comprenant des masses aimantées, ladite unité fonctionnelle étant située au sein dudit mouvement et donc entourée au moins partiellement de parties d'ébauche non magnétiques recouvertes d'un revêtement de finition.The present invention relates to a movement for a timepiece comprising in particular a functional unit comprising magnetic masses, said functional unit being located within said movement and therefore surrounded at at least partially of non-magnetic blank parts covered with a finish coating.

En particulier, l'objet de la présente demande concerne une pièce d'horlogerie dont ladite unité fonctionnelle est une microgénératrice.In particular, the subject of this application concerns a timepiece of which said functional unit is a microgenerator.

Dans la suite de la présente demande, on entend par matériau "amagnétique" ou "non-magnétique" un matériau qui n'est pas ferromagnétique, qui n'est pas ou que très faiblement paramagnétique, et qui éventuellement présentera un diamagnétisme faible. De même, par "à proximité de la microgénératrice" on entend toute la région périphérique de la microgénératrice dans laquelle le flux magnétique des masses aimantées a une valeur significative.In the remainder of this application, the term "non-magnetic" material or "non-magnetic" material that is not ferromagnetic, that is not or that very weakly paramagnetic, and which will eventually show diamagnetism low. Similarly, by "close to the microgenerator" is meant the entire region microgenerator device in which the magnetic flux of the masses magnetized has significant value.

Le principe de fonctionnement d'un tel mouvement d'horlogerie est décrit notamment dans les fascicules de brevet CH 597636 et EP 851322, dont l'enseignement est incorporé en référence dans la présente demande. Le brevet CH 597636, par exemple, décrit un mouvement de montre dans lequel un ressort entraíne, au travers d'un jeu d'engrenages, d'une part des aiguilles et d'autre part un générateur produisant un courant alternatif. Le générateur permet d'alimenter un circuit électronique comprenant notamment un oscillateur à quartz stabilisé et permettant de régler la marche du générateur et donc la marche des aiguilles. Une telle montre combine par conséquent les avantages d'une montre mécanique avec la précision d'une montre à quartz.The operating principle of such a watch movement is described in particular in patent specification CH 597636 and EP 851322, of which the teaching is incorporated by reference in the present request. The patent CH 597636, for example, describes a watch movement in which a spring drives, through a set of gears, on the one hand the needles and on the other hand a generator producing alternating current. The generator supplies a electronic circuit comprising in particular a stabilized quartz oscillator and allowing to regulate the generator running and therefore the running of the hands. A such a watch therefore combines the advantages of a mechanical watch with the precision of a quartz watch.

Cependant, en cherchant à développer un produit de ce type, la demanderesse a constaté l'existence de sources de perturbations magnétiques à l'intérieur du mouvement d'horlogerie. En effet, l'intérêt d'une telle pièce d'horlogerie augmente lorsque sa consommation d'énergie diminue, c'est-à-dire lorsque par exemple le rendement de la génératrice augmente. Partant de ce constat, la demanderesse a mis en évidence que non seulement des masses ferromagnétiques, telles des parties d'ébauche ou des fournitures en acier, mais également la présence de fines couches de revêtement ferromagnétique sur des parties d'ébauche non magnétiques, situées à proximité de la génératrice, exercent sur cette dernière une force magnétique parasite faisant ainsi diminuer son rendement. However, in seeking to develop a product of this type, the Applicant has found the existence of sources of magnetic disturbances at inside the watch movement. Indeed, the interest of such a timepiece increases when its energy consumption decreases, that is to say when by for example, the efficiency of the generator increases. Based on this observation, the Applicant has highlighted that not only ferromagnetic masses, such as rough parts or steel supplies, but also the presence thin layers of ferromagnetic coating on non-blank parts magnetic, located near the generator, exert on the latter a parasitic magnetic force thus reducing its efficiency.

La présente invention a donc pour but d'améliorer la pièce d'horlogerie susmentionnée en évitant les inconvénients décrits ci-dessus, notamment grâce à un perfectionnement simple et peu coûteux à la fabrication.The present invention therefore aims to improve the timepiece above by avoiding the drawbacks described above, in particular thanks to a simple and inexpensive manufacturing improvement.

A cet effet, l'invention concerne une pièce d'horlogerie du type indiqué ci-avant, caractérisée par le fait que ledit revêtement de finition recouvrant lesdites parties d'ébauche situées à proximité de ladite unité fonctionnelle présente des propriétés essentiellement non magnétiques.To this end, the invention relates to a timepiece of the type indicated above, characterized by the fact that said top coating covering said blank parts located near said functional unit have essentially non-magnetic properties.

Selon un mode de réalisation particulier de l'invention, les diverses parties de l'ébauche sont recouvertes d'un alliage amagnétique à base de nickel assurant une protection efficace contre les risques d'oxydation tout en garantissant une apparence esthétique très correcte. Il est à noter que ce type d'alliages présente une excellente adhérence sur la surface de l'ébauche.According to a particular embodiment of the invention, the various parts of the blank are covered with a non-magnetic nickel-based alloy ensuring effective protection against the risks of oxidation while ensuring an appearance very correct aesthetics. It should be noted that this type of alloy has excellent adhesion to the surface of the blank.

Dans une autre variante de réalisation, ladite première couche à base de nickel est recouverte d'une seconde couche métallique, notamment pour modifier l'aspect esthétique. On peut, par exemple, utiliser un alliage à base d'or pour donner une coloration dorée à l'ébauche, ce qui correspond généralement à un niveau de finition de la pièce d'horlogerie plus luxueux. Dans ce cas, la première couche à base de nickel assure en outre une fonction de barrière de diffusion, empêchant l'or de diffuser dans la masse de l'ébauche.In another alternative embodiment, said first layer based on nickel is covered with a second metallic layer, in particular to modify the aesthetic aspect. We can, for example, use a gold-based alloy to give a golden color on the blank, which generally corresponds to a level of more luxurious timepiece finish. In this case, the first layer based nickel also provides a diffusion barrier function, preventing gold from to diffuse in the mass of the blank.

L'invention sera exposée plus en détail à l'aide de la description suivante d'un exemple d'exécution faite en référence aux dessins annexés dans lesquels:

  • la figure 1 est une vue de dessus simplifiée du mouvement partiellement monté d'une pièce d'horlogerie comportant une génératrice, et
  • la figure 2 est une vue en coupe transversale du mouvement selon la ligne II-II de la figure 1.
The invention will be explained in more detail using the following description of an exemplary embodiment made with reference to the appended drawings in which:
  • FIG. 1 is a simplified top view of the partially mounted movement of a timepiece comprising a generator, and
  • Figure 2 is a cross-sectional view of the movement along line II-II of Figure 1.

La figure 1 représente une vue de la génératrice 1 comprenant un rotor 2 ayant deux flasques 3, dont une seule est représentée, agencées de part et d'autre de trois bobines plates 4 formant le stator et décalées sensiblement de 120 degrés l'une par rapport à l'autre relativement à l'axe du rotor 2, dans un même plan orthogonal à celui-ci.FIG. 1 represents a view of the generator 1 comprising a rotor 2 having two flanges 3, only one of which is shown, arranged on either side of three flat coils 4 forming the stator and offset substantially by 120 degrees one relative to the other relative to the axis of the rotor 2, in the same plane orthogonal to this one.

Six aimants 5 sont fixés radialement et à intervalles réguliers sur chaque flasque 3, en vis-à-vis des bobines 4. La polarité de deux aimants 5 consécutifs est opposée. En outre, deux aimants 5 en regard l'un de l'autre se présentent mutuellement des polarités opposées. Un circuit imprimé 6 sert de support notamment pour les bobines 4 et pour un circuit intégré 7.Six magnets 5 are fixed radially and at regular intervals on each flange 3, facing the coils 4. The polarity of two consecutive magnets 5 is opposite. In addition, two magnets 5 facing each other are presented mutually opposite polarities. A printed circuit 6 serves in particular as a support for the coils 4 and for an integrated circuit 7.

L'alimentation du circuit intégré 7, à faible consommation d'énergie, est assurée par la microgénératrice électrique 1 - constituée de l'ensemble arbre 8 du rotor 2, flasques 3, aimants 5 et bobines 4 - entraínée via une liaison cinématique 9 par un dispositif à barillet 10. Le passage des aimants 5 à proximité des bobines 4 génère une tension induite substantiellement sinusoïdale aux bornes de ces bobines 4.The power supply of the integrated circuit 7, with low energy consumption, is provided by the electric microgenerator 1 - consisting of the shaft assembly 8 of the rotor 2, flanges 3, magnets 5 and coils 4 - driven via a kinematic link 9 by a barrel device 10. The passage of the magnets 5 near the coils 4 generates a substantially sinusoidal induced voltage across these coils 4.

Sur la coupe transversale selon la ligne II-II de la figure 1 représentée en figure 2 apparaissent des parties d'ébauche 11 et 12 en laiton. En particulier, l'arbre 8 du rotor 2 est monté à pivot dans deux pierres 13, 14, dont l'une est chassée dans un pont de rouage 11 et l'autre dans la platine 12 du mouvement. Il apparaít clairement de cette figure 2 que, du fait de leur proximité immédiate avec les aimants 5, lesdites parties d'ébauche 11, 12 sont partiellement baignées dans le champ magnétique de ces aimants.On the cross section along line II-II of Figure 1 shown in Figure 2 appear rough parts 11 and 12 in brass. In particular, the tree 8 of the rotor 2 is pivotally mounted in two stones 13, 14, one of which is driven into a gear train 11 and the other in the plate 12 of the movement. It appears clearly of this figure 2 that, due to their immediate proximity to the magnets 5, said blank parts 11, 12 are partially bathed in the magnetic field of these magnets.

La demanderesse a mis en évidence au cours de ses recherches que le fait d'utiliser un matériau magnétique conventionnel pour la réalisation du revêtement de finition de l'ébauche a une influence significative sur le rendement de la microgénératrice. Etonnamment, l'utilisation exclusive de matériaux non magnétiques pour le revêtement opère une diminution sensible des perturbations magnétiques, le couplage magnétique entre les masses aimantées 5 et les bobines 4 et donc le rendement de la microgénératrice 1 se trouvant ainsi augmentés.The Applicant has shown during its research that the fact to use a conventional magnetic material for the realization of the coating of finishing the blank has a significant influence on the performance of the micro-generator. Surprisingly, the exclusive use of non-magnetic materials for the coating operates a significant reduction in magnetic disturbances, the magnetic coupling between the magnetized masses 5 and the coils 4 and therefore the efficiency of microgenerator 1 thus being increased.

Le mouvement d'horlogerie selon l'invention comporte ainsi au moins des parties de l'ébauche 11, 12 réalisées en laiton ou en tout autre matériau approprié présentant des propriétés non magnétiques. En outre, conformément à l'invention, l'ébauche est recouverte d'un revêtement métallique de protection contre l'oxydation. Pour les raisons précitées, ce revêtement métallique est également réalisé en un matériau ne présentant pas de propriétés magnétiques, tel qu'un alliage amagnétique de nickel avec du phosphore ou de l'étain. Lorsque le mouvement est destiné à être monté dans une pièce d'horlogerie à forte valeur ajoutée, on peut utiliser un alliage amagnétique à base de rhodium pour effectuer le revêtement desdites parties 11, 12 de l'ébauche.The timepiece movement according to the invention thus comprises at least parts of the blank 11, 12 made of brass or any other suitable material having non-magnetic properties. Furthermore, in accordance with the invention, the blank is covered with a metal coating for protection against oxidation. For the above reasons, this metallic coating is also produced in a material having no magnetic properties, such as a non-magnetic alloy of nickel with phosphorus or tin. When the movement is intended to be mounted in a timepiece with high added value, an alloy can be used non-magnetic rhodium-based for coating said parts 11, 12 of the draft.

Dans une variante de réalisation, il peut être souhaitable de réaliser un revêtement comportant au moins deux couches de matériaux différents. En effet, si on souhaite fabriquer un mouvement proposant une finition dorée de l'ébauche, il convient d'appliquer auxdites parties 11, 12 d'ébauche un premier traitement afin de les recouvrir d'une sous-couche de protection, généralement réalisée en nickel. On obtient ainsi une première couche de protection contre l'oxydation qui remplit également une fonction de barrière de diffusion, empêchant l'or de diffuser dans la masse de l'ébauche. In an alternative embodiment, it may be desirable to carry out a covering comprising at least two layers of different materials. Indeed, if we want to make a movement with a golden finish on the blank, it should be applied to said parts 11, 12 of roughing a first treatment in order to cover them with a protective undercoat, generally made of nickel. We thus obtains a first layer of protection against oxidation which fills also a diffusion barrier function, preventing gold from diffusing into the mass of the blank.

De manière surprenante, les recherches ont montré que même lorsque la couche apparente est en or ou en rhodium qui sont des matériaux non ferromagnétiques, la seule sous-couche à base de nickel magnétique diminue le rendement de la génératrice et donc la réserve de marche disponible pour la pièce d'horlogerie. C'est pourquoi cette fine sous-couche est constituée ici d'un alliage amagnétique préférentiellement à base de nickel, conformément à l'invention.Surprisingly, research has shown that even when the visible layer is gold or rhodium which are materials not ferromagnetic, the only underlay based on magnetic nickel reduces the generator output and therefore the power reserve available for the part watchmaking. This is why this thin undercoat is made here of an alloy non-magnetic, preferably nickel-based, in accordance with the invention.

On peut notamment utiliser à cet effet un alliage à base de nickel et comprenant du phosphore, puisque pour certaines valeurs de sa composition l'alliage obtenu ne présente pas de propriétés magnétiques. On peut éventuellement recourir à l'utilisation d'autres métaux pour remplacer le nickel, tel que le palladium par exemple dont certains alliages présentent également des propriétés amagnétiques. La réalisation du revêtement de finition en tant que telle ne constituant pas le coeur de l'invention, elle ne sera pas développée plus en détail dans la présente demande. L'homme de l'art pourra notamment se référer au brevet US 6,099,624 divulguant des exemples d'alliages utilisés dans la fabrication de revêtements métalliques de protection, également utilisés à des fins esthétiques.One can in particular use for this purpose a nickel-based alloy and comprising phosphorus, since for certain values of its composition the alloy obtained does not have magnetic properties. We can possibly use the use of other metals to replace nickel, such as palladium with example of which some alloys also have non-magnetic properties. The realization of the finishing coating as such does not constitute the heart of the invention, it will not be developed in more detail in the present application. Those skilled in the art may in particular refer to US Pat. No. 6,099,624 disclosing examples of alloys used in the manufacture of metallic coatings protection, also used for aesthetic purposes.

On peut imaginer de multiples applications, dans le domaine horloger, pour la sélection de matériaux non magnétiques pour recouvrir l'ébauche conformément à l'invention. En effet, on a décrit leur utilisation dans le cas d'une pièce d'horlogerie fonctionnant avec une microgénératrice, mais on peut également prévoir l'utilisation de tels matériaux dans tout autre type de pièce d'horlogerie présentant une sensibilité aux perturbations magnétiques. On peut en particulier mettre l'invention en oeuvre dans une pièce d'horlogerie dont l'unité fonctionnelle est une boussole, ou dans tout autre type de pièce d'horlogerie mettant en oeuvre des moyens interagissant avec un champ magnétique externe, notamment en vue de sa détection .One can imagine multiple applications, in the watchmaking field, for the selection of non-magnetic materials to cover the blank in accordance with the invention. Indeed, their use has been described in the case of a timepiece operating with a microgenerator, but we can also plan the use such materials in any other type of timepiece with sensitivity magnetic disturbances. We can in particular implement the invention in a timepiece whose functional unit is a compass, or in any other type of timepiece using means interacting with a external magnetic field, in particular for its detection.

Claims (6)

Mouvement pour pièce d'horlogerie comportant notamment une unité fonctionnelle (1) comprenant des masses aimantées (5), ladite unité fonctionnelle (1) étant entourée au moins partiellement de parties d'ébauche (11, 12) non magnétiques recouvertes d'un revêtement de finition caractérisé en ce que le revêtement de finition recouvrant lesdites parties d'ébauche (11, 12) situées à proximité de ladite unité fonctionnelle (1) présente des propriétés essentiellement non magnétiques.Movement for a timepiece comprising in particular a functional unit (1) comprising magnetic masses (5), said functional unit (1) being at least partially surrounded by non-magnetic blank parts (11, 12) covered with a coating finishing characterized in that the finishing coating covering said blank parts (11, 12) located near said functional unit (1) has essentially non-magnetic properties. Mouvement pour pièce d'horlogerie selon la revendication 1, caractérisé en ce que ledit revêtement comporte au moins deux couches métalliques dont au moins celle qui se trouve directement au contact desdites parties d'ébauche (11, 12) contient du nickel en tant que constituant d'un alliage amagnétique.Movement for a timepiece according to claim 1, characterized in that said coating comprises at least two metallic layers of which at least the one which is directly in contact with said blank parts (11, 12) contains nickel as a constituent of a non-magnetic alloy. Mouvement pour pièce d'horlogerie selon la revendication 2, caractérisé en ce que ladite unité fonctionnelle (1) est une microgénératrice.Movement for a timepiece according to claim 2, characterized in that said functional unit (1) is a microgenerator. Mouvement pour pièce d'horlogerie selon la revendication 3, caractérisé en ce que ladite microgénératrice (1) comporte un rotor (2) comprenant deux flasques (3) ayant chacune sensiblement la forme d'un disque et portant chacune, sur sa face en regard de l'autre flasque, un nombre pair de masses aimantées (5), ladite microgénératrice comportant en outre un module électronique (6) comportant au moins une bobine statorique (4) partiellement insérée entre les deux flasques (3) et en ce que ladite microgénératrice est au moins partiellement située dans un volume délimité par les projections orthogonales desdites parties d'ébauche (11, 12) amagnétiques.Movement for a timepiece according to claim 3, characterized in that said microgenerator (1) comprises a rotor (2) comprising two flanges (3) each having substantially the shape of a disc and each carrying, on its opposite face on the other flange, an even number of magnetic masses (5), said microgenerator further comprising an electronic module (6) comprising at least one stator coil (4) partially inserted between the two flanges (3) and in that said microgenerator is at least partially located in a volume delimited by the orthogonal projections of said nonmagnetic blank parts (11, 12). Mouvement pour pièce d'horlogerie selon l'une des revendications 1 à 3, caractérisé en ce que ladite unité fonctionnelle permet de détecter la présence d'un champ magnétique externe.Movement for a timepiece according to one of claims 1 to 3, characterized in that said functional unit makes it possible to detect the presence of an external magnetic field. Mouvement pour pièce d'horlogerie selon la revendication 5, caractérisé en ce que ladite unité fonctionnelle assure la fonction d'une boussole.Movement for a timepiece according to claim 5, characterized in that said functional unit performs the function of a compass.
EP01200752A 2001-02-28 2001-02-28 Usage of a non-magnetic coating for covering parts in a horological movement Withdrawn EP1237058A1 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
EP01200752A EP1237058A1 (en) 2001-02-28 2001-02-28 Usage of a non-magnetic coating for covering parts in a horological movement
PCT/CH2002/000089 WO2002071159A1 (en) 2001-02-28 2002-02-14 Use of a non-magnetic coating for covering components in a clock movement
DE60201978T DE60201978T2 (en) 2001-02-28 2002-02-14 MOVEMENT WITH MAGNETIC MASSES AND A NONMAGNETIC COATING FOR COVERING FIXED PARTS OF THE RAWWORK
JP2002570016A JP2004521340A (en) 2001-02-28 2002-02-14 Use of a non-magnetic coating to cover components in a watch movement
EP02709965A EP1366391B1 (en) 2001-02-28 2002-02-14 Clock movement with magnetic masses and using a non-magnetic coating for covering fixed parts of the blank
AT02709965T ATE282844T1 (en) 2001-02-28 2002-02-14 CLOCK MOVEMENT WITH MAGNETIC MEASURES AND A NON-MAGNETIC COATING TO COVER FIXED PARTS OF THE BUILD
CN02805594.2A CN1252549C (en) 2001-02-28 2002-02-14 Use of non-magnetic coating for covering components in clock movement
US10/572,068 US20070025188A1 (en) 2001-02-28 2002-02-14 Use of non-magnetic coating for covering components in a clock movement
US10/649,304 US20040042349A1 (en) 2001-02-28 2003-08-27 Use of a non-magnetic coating to cover parts in a watch movement
HK04107240A HK1064452A1 (en) 2001-02-28 2004-09-20 Use of a non-magnetic coating for covering parts in a clock movement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01200752A EP1237058A1 (en) 2001-02-28 2001-02-28 Usage of a non-magnetic coating for covering parts in a horological movement

Publications (1)

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EP1237058A1 true EP1237058A1 (en) 2002-09-04

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EP01200752A Withdrawn EP1237058A1 (en) 2001-02-28 2001-02-28 Usage of a non-magnetic coating for covering parts in a horological movement
EP02709965A Expired - Lifetime EP1366391B1 (en) 2001-02-28 2002-02-14 Clock movement with magnetic masses and using a non-magnetic coating for covering fixed parts of the blank

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EP (2) EP1237058A1 (en)
JP (1) JP2004521340A (en)
CN (1) CN1252549C (en)
AT (1) ATE282844T1 (en)
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WO2008006953A1 (en) * 2006-07-12 2008-01-17 Messier-Dowty Sa Active element for an electromagnetic machine, production method thereof and electromagnetic machine including one such active element
CN101980428A (en) * 2009-06-16 2011-02-23 伊塔瑞士钟表制造股份有限公司 Small electromechanical transducer, in particular a timepiece generator
EP3273306A1 (en) * 2016-07-19 2018-01-24 Nivarox-FAR S.A. Part for clock movement
EP3273307A1 (en) * 2016-07-19 2018-01-24 Nivarox-FAR S.A. Part for clock movement
EP3438763A1 (en) * 2017-08-04 2019-02-06 The Swatch Group Research and Development Ltd Clock movement provided with an electromagnetic transducer
RU2763382C2 (en) * 2016-07-19 2021-12-28 Ниварокс-Фар С.А. Component for clockwork mechanism

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JP2008544290A (en) * 2005-06-28 2008-12-04 ウーテーアー・エス・アー・マニファクチュール・オロロジェール・スイス Enhanced micromechanical parts
KR20070096834A (en) * 2006-03-24 2007-10-02 에타 쏘시에떼 아노님 마누팍투레 홀로게레 스위세 Micro-mechanical part made of insulating material and method of manufacturing the same
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Cited By (13)

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WO2008006953A1 (en) * 2006-07-12 2008-01-17 Messier-Dowty Sa Active element for an electromagnetic machine, production method thereof and electromagnetic machine including one such active element
FR2903823A1 (en) * 2006-07-12 2008-01-18 Messier Dowty Sa Sa ELECTROMAGNETIC MACHINE ACTIVE ELEMENT, METHOD OF MANUFACTURING SUCH ACTIVE ELEMENT, AND ELECTROMAGNETIC MACHINE COMPRISING SUCH ACTIVE ELEMENT.
RU2444109C2 (en) * 2006-07-12 2012-02-27 Мессье-Бюгатти-Довти Active element for electromagnet machine, method to manufacture such active element, and electromagnet machine comprising such active element
US8981604B2 (en) 2006-07-12 2015-03-17 Messier-Bugatti-Dowty Active element for an electromagnetic machines, a method of fabricating such an active element, and an electromagnetic machine including such an active element
CN101980428A (en) * 2009-06-16 2011-02-23 伊塔瑞士钟表制造股份有限公司 Small electromechanical transducer, in particular a timepiece generator
CN101980428B (en) * 2009-06-16 2013-07-10 伊塔瑞士钟表制造股份有限公司 Small electromechanical transducer, in particular a timepiece generator
EP3273306A1 (en) * 2016-07-19 2018-01-24 Nivarox-FAR S.A. Part for clock movement
EP3273307A1 (en) * 2016-07-19 2018-01-24 Nivarox-FAR S.A. Part for clock movement
US11092932B2 (en) 2016-07-19 2021-08-17 Nivarox-Far S.A. Component for a timepiece movement
RU2763382C2 (en) * 2016-07-19 2021-12-28 Ниварокс-Фар С.А. Component for clockwork mechanism
US11237520B2 (en) 2016-07-19 2022-02-01 Nivarox-Far S.A. Component for a timepiece movement
EP3438763A1 (en) * 2017-08-04 2019-02-06 The Swatch Group Research and Development Ltd Clock movement provided with an electromagnetic transducer
US10948881B2 (en) 2017-08-04 2021-03-16 The Swatch Group Research And Development Ltd Timepiece movement fitted with an electromagnetic transducer

Also Published As

Publication number Publication date
ATE282844T1 (en) 2004-12-15
CN1252549C (en) 2006-04-19
WO2002071159A1 (en) 2002-09-12
HK1064452A1 (en) 2005-01-28
EP1366391B1 (en) 2004-11-17
DE60201978T2 (en) 2005-12-15
CN1498362A (en) 2004-05-19
DE60201978D1 (en) 2004-12-23
JP2004521340A (en) 2004-07-15
US20040042349A1 (en) 2004-03-04
EP1366391A1 (en) 2003-12-03
US20070025188A1 (en) 2007-02-01

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