EP2428857B1 - Alarm watch provided with a gong insulator - Google Patents

Alarm watch provided with a gong insulator Download PDF

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Publication number
EP2428857B1
EP2428857B1 EP10176413.2A EP10176413A EP2428857B1 EP 2428857 B1 EP2428857 B1 EP 2428857B1 EP 10176413 A EP10176413 A EP 10176413A EP 2428857 B1 EP2428857 B1 EP 2428857B1
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EP
European Patent Office
Prior art keywords
gong
watch
permanent magnet
striking
magnetic
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.)
Active
Application number
EP10176413.2A
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German (de)
French (fr)
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EP2428857A1 (en
Inventor
Jérôme Favre
Polychronis Karapatis (Nakis)
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.)
Montres Breguet SA
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Montres Breguet SA
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 Montres Breguet SA filed Critical Montres Breguet SA
Priority to EP10176413.2A priority Critical patent/EP2428857B1/en
Priority to JP2011191314A priority patent/JP5757827B2/en
Priority to US13/229,084 priority patent/US8531922B2/en
Priority to CN201110269762.8A priority patent/CN102402178B/en
Publication of EP2428857A1 publication Critical patent/EP2428857A1/en
Priority to HK12109392.1A priority patent/HK1168665A1/en
Application granted granted Critical
Publication of EP2428857B1 publication Critical patent/EP2428857B1/en
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/026—Hammer driving; hammers; devices with several hammers or sounding bodies; vibrators
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/12—Alarm watches to be worn in pockets or on the wrist

Definitions

  • the invention relates to a striking watch, which comprises at least one stamp attached to a stamp holder, and at least one hammer intended to strike the stamp.
  • the stamp or stamps used are each constituted by a metal wire generally of circular shape and placed in a plane parallel to the dial of the watch.
  • the metal wire of each stamp is generally arranged around the movement, in the watch cage and above a plate on which the different parts of the movement are mounted.
  • One end or several ends of each patch is fixed, for example by brazing, to a stamp holder integral with the plate, for example, which may be unique for all the stamps.
  • the other end of each stamp may be generally free.
  • the striking mechanism of the watch comprises at least one hammer actuated at predetermined times.
  • the vibration of each stamp is produced by the impact of the corresponding hammer on the stamp near the stamp holder.
  • Each hammer generally performs a partial rotation in the plane of the stamp or stamps so as to strike the corresponding stamp and make it vibrate in its plane. Part of the vibration of the stamp is transmitted to the plate by the stamp holder.
  • the stamp Depending on the shape and size of the stamp (s) used in a striking mechanism, there may be an unintended tingling of the stamp (s) in a mode of rest against neighboring metal parts following a sudden movement of the watch. Plus the stamp has a long, such as a cathedral type stamp comprising at least two windings around the movement of the watch, and the more the problem of involuntary ringing or accidental resonance can occur. A material, whose modulus of elasticity is relatively low, can also promote the phenomenon of involuntary ringing. This is a disadvantage for a luxury watch equipped with such a striking mechanism.
  • the invention therefore aims to overcome the drawbacks of the state of the art by providing a striking mechanism watch using a new principle of insulation of the stamp to minimize the risk of unintended tingling of the tone during a shock of the watch.
  • This new principle of sound insulation is relatively simple to implement while allowing the tone to vibrate freely in a ring mode, and also preserving the aesthetics of the striking mechanism.
  • the invention relates to a striking watch cited above, which comprises the features defined in the independent claim 1.
  • An advantage of the striking watch according to the invention lies in the fact that the stamp is magnetically isolated and not mechanically isolated in order to avoid any unintended tingling of the tone in a rest mode of the watch.
  • Providing the watch with a magnetic insulator arrangement of the stamp is new in this field of mechanical watchmaking. This overcomes any previous prejudice relating to the fact that it avoids providing any magnetic element in a mechanical watch, as this could cause problems in the operation of said watch.
  • the figure 1 is a top view of the interior of a striking watch 1.
  • the watch comprises a well-known watch movement, which is shown partly hatched, and generally arranged on a Platinum 5.
  • the watch movement is typically a mechanical movement.
  • the plate 5 may be surrounded by a wall 6 to define a cage housing said watch movement. This wall 6 may also be the middle part of the watch.
  • the striking watch 1 mainly comprises a striking mechanism that can be part of the watch movement 10.
  • This striking mechanism comprises a stamp 3 fixed at one end to a stamp holder 2 integral with the plate 5 or the box. This first end of the stamp is fixed by welding or kept locked between two screwed counterparts of the stamp holder 2. The second end of the stamp 3 is free movement.
  • the stamp holder 2 protrudes from the bottom of the plate 5 to maintain the tone above the bottom of the plate 5.
  • the stamp 3 consists of a wire, which partially surrounds the movement 10 and s substantially extends in a plane parallel to the plate 5 and the not shown watch dial.
  • the metal wire of the stamp 3 may define a portion of an angle circle comprised for example between 180 ° or less and 360 °, but preferably close to 330 °.
  • the striking mechanism of the watch 1 further comprises a hammer 4 adapted to strike particularly close to the stamp holder 2, a portion of the stamp 3, when actuated.
  • This hammer can be operated to signal an alarm or minute repetitions.
  • the hammer 4 is pivotally mounted relative to an axis perpendicular to the plane of the stamp 3.
  • the hammer is actuated in translation in a direction perpendicular to the stamp.
  • a magnetic insulator arrangement 20 of the stamp To avoid that the stamp 3 comes into contact involuntarily against one or more metal parts of the watch, which are close to the stamp, during a shock of the watch, there is provided a magnetic insulator arrangement 20 of the stamp.
  • the metal parts are for example parts of the watch movement, the plate 5 or pieces of clothing of the watch.
  • the magnetic insulator arrangement 20 mainly comprises at least one movable permanent magnet 21 preferably disposed near the second free end of the patch 3.
  • This movable permanent magnet 21 may be fixed by gluing on the stamp or in a recess on the stamp . It can also be expected to weld this permanent magnet on the free end portion of the stamp.
  • the magnetic field of the moving permanent magnet is mainly directed in the plane of the stamp with a south pole towards the center of the watch and a north pole towards the outside of the watch.
  • This movable permanent magnet 21 also constitutes a weight to increase the density of generated partials and increase the quality factor of the stamp.
  • the magnetic insulator arrangement 20 further comprises a first magnetic element, which is a first fixed permanent magnet 22 disposed in the wall 6 of the cage or the middle part of the watch.
  • This first permanent fixed magnet 22 is placed directly opposite the moving permanent magnet 21 and may be of equivalent size.
  • the magnetic field of this first fixed permanent magnet 22 is of opposite polarity to the magnetic field of the moving permanent magnet 21.
  • the north pole of this fixed permanent magnet is directed towards the center of the watch, whereas the south pole of this fixed permanent magnet is directed towards the outside of the watch. Under these conditions, it keeps the patch away from the wall thanks to the repulsive force of the two magnets 21 and 22.
  • permanent magnets can be made with a size of 1 mm 3 or less, generating a magnetic field less than 1200 Gauss.
  • the distance separating the patch from the wall may be less than 0.3 mm.
  • the cross section of the stamp can define a rectangle or preferably a disc of diameter less than 0.8 mm.
  • the magnetic insulator arrangement 20 of the patch may further comprise a second magnetic element, which is a second fixed permanent magnet 23 arranged in a part of the watch movement 10.
  • This second permanent magnet 23 is arranged opposite the movable permanent magnet 21 and the same size as the permanent magnets 21 and 22.
  • the three permanent magnets are preferably arranged on the same line towards the center of the watch.
  • the magnetic field of this second permanent fixed magnet 23 is of opposite polarity to the magnetic field of the moving permanent magnet 21.
  • the north pole of this second fixed permanent magnet is directed towards the center of the watch, whereas the south pole of this second fixed permanent magnet is directed towards the outside of the watch.
  • each fixed magnetic element may also be a coil that can be connected to a direct current source in order to generate a magnetic field of opposite polarity to the magnetic field of the moving permanent magnet facing the coil.
  • Each The coil can also be arranged to be disconnected from the DC power source in a traditional ringing mode.
  • stamp 3 may also be provided to make one or more mobile permanent magnets 21 directly by magnetization of one or more parts of the stamp.
  • This type of material must therefore be a ferromagnetic material (iron, nickel, steel or cobalt). It can even be envisaged to completely magnetize the entire length of the metal wire of the stamp.
  • FIGs 2a and 2b represent a second embodiment of the striking watch 1 with the magnetic insulator arrangement 20 of the stamp 3.
  • the figure 2a it is not represented the hammer, the wall or middle of the watch, and the watch movement 10, which is represented by figure 2b .
  • a first end of the stamp 3 is attached to a first stamp holder 2 secured to the plate 5, and a second end of the stamp 3 is attached to a second stamp holder 2
  • the metal wire of the stamp forms a winding, which extends according to this second embodiment on an angular sector of about 270 °.
  • the magnetic insulator arrangement 20 of the patch comprises a movable permanent magnet 21 preferably disposed in a middle portion of the patch.
  • the orientation of the magnetic field is mainly directed perpendicular to the plate 5 with the south pole directed towards the watch face, while the north pole is directed to the side of the plate.
  • the magnetic insulator arrangement 20 must therefore also comprise a fixed permanent magnet 24 preferably disposed in the plate 5 and facing the moving permanent magnet 21.
  • the magnetic field of the fixed permanent magnet 24 is of opposite polarity to the magnetic field of the movable permanent magnet 21 so as to generate a repulsive force.
  • the south pole of this magnet Fixed permanent 24 is thus directed towards the bottom of the watch case, while the north pole is directed towards the watch face.
  • the stamp 3 of several moving permanent magnets and the plate 5 of several fixed permanent magnets each facing a corresponding movable permanent magnet.
  • the metal wire of the stamp may be a ferromagnetic material. Under these conditions, a permanent magnetization of the middle portion of the patch can also be performed as shown in Figures 2a and 2b . It can also be imagined to achieve a permanent magnetization of the entire length of the wire.
  • the figure 3 is an enlarged view in partial diametrical section of a third embodiment of the striking watch 1 with a magnetic insulator arrangement 20 of the stamp 3.
  • the fixed permanent magnet is a magnetized ring 32 arranged in coaxially with the movable permanent magnet 31 of the stamp 3.
  • This magnetized ring 32 is fixed to the plate and to a part of the movement as shown schematically on the figure 3 .
  • the magnetic pole on the outer periphery of the movable permanent magnet 31 is identical to the magnetic pole on the inner periphery of the magnetized ring.
  • the stamp 3 is kept in a stable position at a distance from the inner periphery of the magnetized ring 32 as a function of the repulsive force generated by the permanent magnets 31 and 32.
  • a median portion of the stamp may be attached to a stamp holder secured to the plate or the watchband.
  • the hammer can be mounted on the middle part of the watch.

Description

L'invention concerne une montre à sonnerie, qui comprend au moins un timbre fixé à un porte-timbre, et au moins un marteau destiné à venir frapper le timbre.The invention relates to a striking watch, which comprises at least one stamp attached to a stamp holder, and at least one hammer intended to strike the stamp.

Dans le domaine de l'horlogerie, une architecture traditionnelle est utilisée pour réaliser des mouvements, qui sont munis de mécanismes de sonnerie, tels que des répétitions minutes. Dans ces réalisations, le ou les timbres utilisés sont constitués chacun par un fil métallique généralement de forme circulaire et placé dans un plan parallèle au cadran de la montre. Le fil métallique de chaque timbre est généralement disposé autour du mouvement, dans la cage de la montre et au-dessus d'une platine sur laquelle les différentes parties du mouvement sont montées. Une extrémité ou plusieurs extrémités de chaque timbre est fixée, par exemple par brasure, à un porte-timbre solidaire de la platine, par exemple, qui peut être unique pour tous les timbres. L'autre extrémité de chaque timbre peut être généralement libre.In the field of watchmaking, a traditional architecture is used to perform movements, which are provided with striking mechanisms, such as minute repetitions. In these embodiments, the stamp or stamps used are each constituted by a metal wire generally of circular shape and placed in a plane parallel to the dial of the watch. The metal wire of each stamp is generally arranged around the movement, in the watch cage and above a plate on which the different parts of the movement are mounted. One end or several ends of each patch is fixed, for example by brazing, to a stamp holder integral with the plate, for example, which may be unique for all the stamps. The other end of each stamp may be generally free.

Le mécanisme de sonnerie de la montre comprend au moins un marteau actionné à des moments prédéterminés. La vibration de chaque timbre est produite par l'impact du marteau correspondant sur le timbre à proximité du porte-timbre. Chaque marteau effectue en général une rotation partielle dans le plan du ou des timbres de façon à frapper le timbre correspondant et à le faire vibrer dans son plan. Une partie de la vibration du timbre est transmise à la platine par le porte-timbre.The striking mechanism of the watch comprises at least one hammer actuated at predetermined times. The vibration of each stamp is produced by the impact of the corresponding hammer on the stamp near the stamp holder. Each hammer generally performs a partial rotation in the plane of the stamp or stamps so as to strike the corresponding stamp and make it vibrate in its plane. Part of the vibration of the stamp is transmitted to the plate by the stamp holder.

Selon la forme et la dimension du ou des timbres utilisés dans un mécanisme de sonnerie, il peut survenir un tintement involontaire du ou des timbres dans un mode de repos contre des pièces métalliques voisines suite à un mouvement brusque de la montre. Plus le timbre possède une grande longueur, tel qu'un timbre du type cathédrale comprenant au moins deux enroulements autour du mouvement de la montre, et plus le problème de tintement involontaire ou résonance accidentelle peut survenir. Une matière, dont le module d'élasticité est relativement faible, peut également favoriser le phénomène de tintement involontaire. Ceci constitue un inconvénient pour une montre de luxe équipée d'un tel mécanisme de sonnerie.Depending on the shape and size of the stamp (s) used in a striking mechanism, there may be an unintended tingling of the stamp (s) in a mode of rest against neighboring metal parts following a sudden movement of the watch. Plus the stamp has a long, such as a cathedral type stamp comprising at least two windings around the movement of the watch, and the more the problem of involuntary ringing or accidental resonance can occur. A material, whose modulus of elasticity is relatively low, can also promote the phenomenon of involuntary ringing. This is a disadvantage for a luxury watch equipped with such a striking mechanism.

Une solution à ce problème est définie dans la demande de brevet EP 1 914 606 A1 . Dans cette demande de brevet, il est prévu un ou plusieurs isolateurs mécaniques de bruit d'un ou plusieurs timbres d'un mécanisme de sonnerie. Ce mécanisme de sonnerie comprend deux timbres du type cathédrale, fixés par une de leurs extrémités à un porte-timbre unique. Les isolateurs mécaniques sont par exemple au moins une pièce intercalaire placée entre les enroulements des timbres, ainsi que des bagues régulièrement réparties sur chaque timbre. Cependant, un tel agencement isolateur présente l'inconvénient d'avoir une multitude d'éléments isolateurs mécaniques statiques dans le boîtier de la montre, et à proximité directe de chaque timbre, ce qui peut créer certaines nuisances dans un mode de sonnerie de chaque timbre. De plus, l'ensemble de ces isolateurs de bruit de chaque timbre nuit fortement à l'esthétique d'un tel mécanisme de sonnerie.A solution to this problem is defined in the patent application EP 1 914 606 A1 . In this patent application, there is provided one or more mechanical noise isolators of one or more timbres of a striking mechanism. This striking mechanism includes two cathedral type stamps, fixed at one end to a single stamp holder. The mechanical insulators are for example at least one intermediate piece placed between the windings of the stamps, as well as rings regularly distributed on each stamp. However, such an insulator arrangement has the disadvantage of having a multitude of static mechanical insulator elements in the watch case, and in close proximity to each stamp, which can create certain nuisance in a ring mode of each stamp. . In addition, all of these noise isolators of each stamp is highly detrimental to the aesthetics of such a striking mechanism.

On peut citer également le brevet DE 443 387 , qui décrit un dispositif de verrouillage pour une sonnerie d'une montre réveil. Pour ce faire, un élément magnétique maintient le marteau de la sonnerie dans une position armée à distance du timbre, lorsque la bobine de l'élément magnétique est alimentée électriquement. Quand l'alimentation électrique de la bobine est interrompue, le marteau est libéré et peut venir frapper le timbre. Cependant cela n'empêche pas le timbre de venir frapper des parties métalliques avoisinantes dans un mode de repos de la sonnerie, ce qui est un inconvénient.We can also mention the patent DE 443,387 which describes a locking device for a bell of an alarm clock. To do this, a magnetic element maintains the hammer of the bell in an armed position at a distance from the bell, when the coil of the magnetic element is electrically powered. When the power supply to the coil is interrupted, the hammer is released and can strike the stamp. However, this does not prevent the stamp from hitting neighboring metal parts in a rest mode of the ring, which is a disadvantage.

L'emploi d'un élément magnétique dans le mécanisme de sonnerie est également connu du brevet US 2,054,765 , mais l'élément magnétique n'est utilisé en coopération d'un disque métallique du mécanisme que pour ajuster la vitesse du mécanisme de sonnerie et non pas pour fournir un moyen d'isolation du timbre.The use of a magnetic element in the striking mechanism is also known from the patent US 2,054,765 but the magnetic element is used in cooperation with a metal disk mechanism only to adjust the speed of the striking mechanism and not to provide a means of sound insulation.

L'invention a donc pour but de pallier aux inconvénients de l'état de la technique en fournissant une montre à mécanisme de sonnerie utilisant un nouveau principe d'isolation du timbre pour minimiser les risques de tintement involontaire du timbre lors d'un choc de la montre. Ce nouveau principe d'isolation du timbre est relativement simple à mettre en oeuvre tout en laissant le timbre vibrer librement dans un mode de sonnerie, et en préservant également l'esthétique du mécanisme de sonnerie.The invention therefore aims to overcome the drawbacks of the state of the art by providing a striking mechanism watch using a new principle of insulation of the stamp to minimize the risk of unintended tingling of the tone during a shock of the watch. This new principle of sound insulation is relatively simple to implement while allowing the tone to vibrate freely in a ring mode, and also preserving the aesthetics of the striking mechanism.

A cet effet, l'invention concerne une montre à sonnerie citée ci-devant, qui comprend les caractéristiques définies dans la revendication indépendante 1.For this purpose, the invention relates to a striking watch cited above, which comprises the features defined in the independent claim 1.

Des formes d'exécution particulières de la montre sont définies dans les revendications dépendantes 2 à 14.Particular embodiments of the watch are defined in the dependent claims 2 to 14.

Un avantage de la montre à sonnerie selon l'invention réside dans le fait que le timbre est isolé magnétiquement et non mécaniquement afin d'éviter tout tintement involontaire du timbre dans un mode de repos de la montre. Le fait de munir la montre d'un agencement isolateur magnétique du timbre est nouveau dans ce domaine de l'horlogerie mécanique. Ceci permet de vaincre tout préjugé antérieur relatif au fait que l'on évitait de munir tout élément magnétique dans une montre mécanique, car cela pouvait poser des problèmes de fonctionnement de ladite montre.An advantage of the striking watch according to the invention lies in the fact that the stamp is magnetically isolated and not mechanically isolated in order to avoid any unintended tingling of the tone in a rest mode of the watch. Providing the watch with a magnetic insulator arrangement of the stamp is new in this field of mechanical watchmaking. This overcomes any previous prejudice relating to the fact that it avoids providing any magnetic element in a mechanical watch, as this could cause problems in the operation of said watch.

Les buts, avantages et caractéristiques de la montre à mécanisme de sonnerie apparaîtront mieux dans la description suivante notamment en regard des dessins sur lesquels :

  • la figure 1 est une vue de dessus simplifiée d'un premier mode de réalisation de l'intérieur d'une montre à sonnerie avec un agencement isolateur magnétique du timbre selon l'invention,
  • la figure 2a est une vue de dessus simplifiée d'un second mode de réalisation de l'intérieur d'une montre à sonnerie avec un agencement isolateur magnétique du timbre selon l'invention,
  • la figure 2b est une vue agrandie en coupe diamétrale partielle selon une coupe A-A de la figure 2a, de l'intérieur de la montre à sonnerie avec un agencement isolateur magnétique du timbre selon l'invention, et
  • la figure 3 est une vue agrandie en coupe diamétrale partielle d'un troisième mode de réalisation de l'intérieur de la montre à sonnerie avec un agencement isolateur magnétique du timbre selon l'invention.
The purposes, advantages and characteristics of the bell mechanism watch will appear better in the following description especially with reference to the drawings in which:
  • the figure 1 is a simplified top view of a first embodiment of the interior of a striking watch with a magnetic insulator arrangement of the stamp according to the invention,
  • the figure 2a is a simplified top view of a second embodiment of the interior of a striking watch with a magnetic insulator arrangement of the stamp according to the invention,
  • the figure 2b is an enlarged view in partial diametrical section along a section AA of the figure 2a of the interior of the striking watch with a magnetic insulator arrangement of the stamp according to the invention, and
  • the figure 3 is an enlarged view in partial diametrical section of a third embodiment of the interior of the striking watch with a magnetic insulator arrangement of the stamp according to the invention.

Dans la description suivante, toutes les parties de la montre à sonnerie, qui sont bien connues dans ce domaine technique, ne seront décrites que sommairement.In the following description, all parts of the striking watch, which are well known in this technical field, will be described only briefly.

La figure 1 est une vue de dessus de l'intérieur d'une montre à sonnerie 1. La montre comprend un mouvement horloger 10 bien connu, qui est représenté en partie hachurée, et disposé généralement sur une platine 5. Le mouvement horloger est typiquement un mouvement mécanique. La platine 5 peut être entourée d'une paroi 6 pour définir une cage logeant ledit mouvement horloger. Cette paroi 6 peut également être la carrure de la montre.The figure 1 is a top view of the interior of a striking watch 1. The watch comprises a well-known watch movement, which is shown partly hatched, and generally arranged on a Platinum 5. The watch movement is typically a mechanical movement. The plate 5 may be surrounded by a wall 6 to define a cage housing said watch movement. This wall 6 may also be the middle part of the watch.

La montre à sonnerie 1 comprend principalement un mécanisme de sonnerie pouvant faire partie du mouvement horloger 10. Ce mécanisme de sonnerie comprend un timbre 3 fixé à une de ses extrémités à un porte-timbre 2 solidaire de la platine 5 ou de la boîte. Cette première extrémité du timbre est fixée par soudure ou maintenue bloquée entre deux contre-pièces vissées du porte-timbre 2. La seconde extrémité du timbre 3 est libre de mouvement. Le porte-timbre 2 est en saillie par rapport au fond de la platine 5 pour maintenir le timbre au-dessus du fond de la platine 5. Le timbre 3 est constitué d'un fil métallique, qui entoure en partie le mouvement 10 et s'étend sensiblement dans un plan parallèle à la platine 5 et au cadran de montre non représenté. Le fil métallique du timbre 3 peut définir une portion de cercle d'angle compris par exemple entre 180° ou moins et 360 °, mais de préférence proche de 330 °.The striking watch 1 mainly comprises a striking mechanism that can be part of the watch movement 10. This striking mechanism comprises a stamp 3 fixed at one end to a stamp holder 2 integral with the plate 5 or the box. This first end of the stamp is fixed by welding or kept locked between two screwed counterparts of the stamp holder 2. The second end of the stamp 3 is free movement. The stamp holder 2 protrudes from the bottom of the plate 5 to maintain the tone above the bottom of the plate 5. The stamp 3 consists of a wire, which partially surrounds the movement 10 and s substantially extends in a plane parallel to the plate 5 and the not shown watch dial. The metal wire of the stamp 3 may define a portion of an angle circle comprised for example between 180 ° or less and 360 °, but preferably close to 330 °.

Le mécanisme de sonnerie de la montre 1 comprend encore un marteau 4 apte à venir frapper notamment à proximité du porte-timbre 2, une partie du timbre 3, lorsqu'il est actionné. Ce marteau peut être actionné pour signaler une alarme ou des répétitions minutes. Dans ce premier mode de réalisation, le marteau 4 est monté pivotant par rapport à un axe perpendiculaire au plan du timbre 3. Cependant il peut aussi être prévu que ce marteau soit actionné en translation selon une direction perpendiculaire au timbre.The striking mechanism of the watch 1 further comprises a hammer 4 adapted to strike particularly close to the stamp holder 2, a portion of the stamp 3, when actuated. This hammer can be operated to signal an alarm or minute repetitions. In this first embodiment, the hammer 4 is pivotally mounted relative to an axis perpendicular to the plane of the stamp 3. However, it may also be provided that the hammer is actuated in translation in a direction perpendicular to the stamp.

Pour éviter que le timbre 3 vienne en contact involontairement contre une ou plusieurs pièces métalliques de la montre, qui sont voisines du timbre, lors d'un choc de la montre, il est prévu un agencement isolateur magnétique 20 du timbre. Les pièces métalliques sont par exemple des pièces du mouvement horloger, la platine 5 ou des pièces d'habillage de la montre.To avoid that the stamp 3 comes into contact involuntarily against one or more metal parts of the watch, which are close to the stamp, during a shock of the watch, there is provided a magnetic insulator arrangement 20 of the stamp. The metal parts are for example parts of the watch movement, the plate 5 or pieces of clothing of the watch.

L'agencement isolateur magnétique 20 comprend principalement au moins un aimant permanent mobile 21 disposé de préférence à proximité de la seconde extrémité libre du timbre 3. Cet aimant permanent mobile 21 peut être fixé par collage sur le timbre ou dans une creusure pratiquée sur le timbre. Il peut aussi être prévu de souder cet aimant permanent sur la partie d'extrémité libre du timbre. Dans ce mode de réalisation, le champ magnétique de l'aimant permanent mobile est principalement dirigé dans le plan du timbre avec un pôle sud en direction du centre de la montre et un pôle nord en direction de l'extérieur de la montre. Cet aimant permanent mobile 21 constitue également une masselotte pour augmenter la densité de partiels générés et augmenter le facteur de qualité du timbre.The magnetic insulator arrangement 20 mainly comprises at least one movable permanent magnet 21 preferably disposed near the second free end of the patch 3. This movable permanent magnet 21 may be fixed by gluing on the stamp or in a recess on the stamp . It can also be expected to weld this permanent magnet on the free end portion of the stamp. In this embodiment, the magnetic field of the moving permanent magnet is mainly directed in the plane of the stamp with a south pole towards the center of the watch and a north pole towards the outside of the watch. This movable permanent magnet 21 also constitutes a weight to increase the density of generated partials and increase the quality factor of the stamp.

L'agencement isolateur magnétique 20 comprend encore un premier élément magnétique, qui est un premier aimant permanent fixe 22 disposé dans la paroi 6 de la cage ou la carrure de la montre. Ce premier aimant permanent fixe 22 est placé directement en regard de l'aimant permanent mobile 21 et peut être de dimension équivalente. Par contre, le champ magnétique de ce premier aimant permanent fixe 22 est de polarité opposée au champ magnétique de l'aimant permanent mobile 21. Le pôle nord de cet aimant permanent fixe est dirigé vers le centre de la montre, alors que le pôle sud de cet aimant permanent fixe est dirigé vers l'extérieur de la montre. Dans ces conditions, cela maintient le timbre à distance de la paroi grâce à la force de répulsion des deux aimants 21 et 22.The magnetic insulator arrangement 20 further comprises a first magnetic element, which is a first fixed permanent magnet 22 disposed in the wall 6 of the cage or the middle part of the watch. This first permanent fixed magnet 22 is placed directly opposite the moving permanent magnet 21 and may be of equivalent size. On the other hand, the magnetic field of this first fixed permanent magnet 22 is of opposite polarity to the magnetic field of the moving permanent magnet 21. The north pole of this fixed permanent magnet is directed towards the center of the watch, whereas the south pole of this fixed permanent magnet is directed towards the outside of the watch. Under these conditions, it keeps the patch away from the wall thanks to the repulsive force of the two magnets 21 and 22.

En cas de choc de la montre, plus le timbre s'approche de la paroi 6 et plus la force de répulsion entre les deux aimants 21 et 22 s'accentue, selon la 4e puissance de la distance en approximation locale. Ceci permet d'isoler le timbre magnétiquement afin d'éviter tout contact du timbre notamment contre ladite paroi 6 de la cage, lors d'un mouvement brusque de la montre. Il est à noter que de tels aimants permanents peuvent être réalisés avec une taille de 1 mm3 ou inférieur, en générant un champ magnétique inférieur à 1200 Gauss. La distance séparant le timbre de la paroi peut être inférieur à 0.3 mm. De plus, la section transversale du timbre peut définir un rectangle ou de préférence un disque de diamètre inférieur à 0.8 mm.In case of shock of the watch, the more the patch is approaching the wall 6 and the repulsive force between the two magnets 21 and 22 increases, according to the 4 th power of the distance in local approximation. This makes it possible to isolate the stamp magnetically in order to avoid contact of the stamp, in particular against said wall 6 of the cage, during a sudden movement of the watch. It should be noted that such permanent magnets can be made with a size of 1 mm 3 or less, generating a magnetic field less than 1200 Gauss. The distance separating the patch from the wall may be less than 0.3 mm. In addition, the cross section of the stamp can define a rectangle or preferably a disc of diameter less than 0.8 mm.

Selon ce premier mode de réalisation, l'agencement isolateur magnétique 20 du timbre peut comprendre encore un second élément magnétique, qui est un second aimant permanent fixe 23 disposé dans une partie du mouvement horloger 10. Ce second aimant permanent 23 est disposé en regard de l'aimant permanent mobile 21 et de même taille que les aimants permanents 21 et 22. Les trois aimants permanents sont de préférence disposés sur une même ligne en direction du centre de la montre. Le champ magnétique de ce second aimant permanent fixe 23 est de polarité opposée au champ magnétique de l'aimant permanent mobile 21. Le pôle nord de ce second aimant permanent fixe est dirigé vers le centre de la montre, alors que le pôle sud de ce second aimant permanent fixe est dirigé vers l'extérieur de la montre. Dans ces conditions, cela maintient également le timbre 3 à distance d'une pièce voisine du mouvement 10 de montre, qui porte le second aimant permanent fixe 23. En cas de choc de la montre comme précédemment décrit, plus le timbre s'approche de la pièce portant le second aimant permanent 23 et plus la force de répulsion augmente entre les deux aimants 21 et 23. Ceci garantit également une bonne isolation magnétique du timbre dans la direction du mouvement de montre.According to this first embodiment, the magnetic insulator arrangement 20 of the patch may further comprise a second magnetic element, which is a second fixed permanent magnet 23 arranged in a part of the watch movement 10. This second permanent magnet 23 is arranged opposite the movable permanent magnet 21 and the same size as the permanent magnets 21 and 22. The three permanent magnets are preferably arranged on the same line towards the center of the watch. The magnetic field of this second permanent fixed magnet 23 is of opposite polarity to the magnetic field of the moving permanent magnet 21. The north pole of this second fixed permanent magnet is directed towards the center of the watch, whereas the south pole of this second fixed permanent magnet is directed towards the outside of the watch. Under these conditions, it also maintains the timbre 3 at a distance from a room close to the watch movement, which carries the second fixed permanent magnet 23. In the event of a shock of the watch as previously described, the stamp approaches the part carrying the second permanent magnet 23 and the repulsion force increases between the two magnets 21 and 23. This also ensures good magnetic insulation of the stamp in the direction of the watch movement.

Bien entendu, il peut être imaginé de disposer plusieurs aimants permanents magnétiques mobiles sur toute la longueur du timbre, ainsi que plusieurs aimants permanents fixes dans la montre chacun en regard d'un des aimants permanents mobiles. L'orientation des aimants permanents mobiles peut changer le long du fil métallique du timbre, ainsi que l'orientation des aimants permanents fixes tout en maintenant le timbre à distance de toute pièce voisine de la montre lors d'un choc de la montre.Of course, it can be imagined to have several magnetic permanent magnets moving along the entire length of the stamp, as well as several fixed permanent magnets in the watch each facing one of the mobile permanent magnets. The orientation of the moving permanent magnets can change along the metal wire of the timbre, as well as the orientation of the fixed permanent magnets while keeping the timbre at a distance from any room close to the watch during a shock of the watch.

Il est encore à noter que chaque élément magnétique fixe peut aussi être une bobine susceptible d'être reliée à une source de courant continu pour générer un champ magnétique de polarité opposée au champ magnétique de l'aimant permanent mobile en regard de la bobine. Chaque bobine peut également être agencée pour être déconnectée de la source de courant continu dans un mode de sonnerie traditionnel.It should also be noted that each fixed magnetic element may also be a coil that can be connected to a direct current source in order to generate a magnetic field of opposite polarity to the magnetic field of the moving permanent magnet facing the coil. Each The coil can also be arranged to be disconnected from the DC power source in a traditional ringing mode.

En fonction du type de matériau métallique utilisé pour réaliser ledit timbre 3, il peut être prévu également de réaliser un ou plusieurs aimants permanents mobiles 21 directement par magnétisation d'une ou plusieurs parties du timbre. Ce type de matériau doit donc être un matériau ferromagnétique (Fer, Nickel, Acier ou Cobalt). Il peut même être envisagé de magnétiser complètement toute la longueur du fil métallique du timbre.Depending on the type of metallic material used to make said stamp 3, it may also be provided to make one or more mobile permanent magnets 21 directly by magnetization of one or more parts of the stamp. This type of material must therefore be a ferromagnetic material (iron, nickel, steel or cobalt). It can even be envisaged to completely magnetize the entire length of the metal wire of the stamp.

Les figures 2a et 2b représentent un second mode de réalisation de la montre à sonnerie 1 avec l'agencement isolateur magnétique 20 du timbre 3. Par simplification sur la figure 2a, il n'est pas représenté le marteau, la paroi ou carrure de montre, et le mouvement horloger 10, qui est par contre représenté en figure 2b.The Figures 2a and 2b represent a second embodiment of the striking watch 1 with the magnetic insulator arrangement 20 of the stamp 3. For simplification on the figure 2a it is not represented the hammer, the wall or middle of the watch, and the watch movement 10, which is represented by figure 2b .

Dans ce second mode de réalisation, on remarque qu'une première extrémité du timbre 3 est fixée à un premier porte-timbre 2 solidaire de la platine 5, et qu'une seconde extrémité du timbre 3 est fixée à un second porte-timbre 2' solidaire de la platine 5. Bien entendu, il peut être envisagé aussi de fixer chaque porte-timbre à la boîte de montre. Le fil métallique du timbre forme un enroulement, qui s'étend selon ce second mode de réalisation sur un secteur angulaire d'environ 270 °.In this second embodiment, it is noted that a first end of the stamp 3 is attached to a first stamp holder 2 secured to the plate 5, and a second end of the stamp 3 is attached to a second stamp holder 2 Of course, it can also be envisaged to fix each stamp holder to the watch case. The metal wire of the stamp forms a winding, which extends according to this second embodiment on an angular sector of about 270 °.

Dans cette configuration, l'agencement isolateur magnétique 20 du timbre comprend un aimant permanent mobile 21 disposé de préférence dans une portion médiane du timbre. L'orientation du champ magnétique est principalement dirigé de manière perpendiculaire à la platine 5 avec le pôle sud dirigé du côté du cadran de montre, alors que le pôle nord est dirigé du côté de la platine. L'agencement isolateur magnétique 20 doit donc comprendre encore un aimant permanent fixe 24 disposé de préférence dans la platine 5 et en regard de l'aimant permanent mobile 21. Le champ magnétique de l'aimant permanent fixe 24 est de polarité opposée au champ magnétique de l'aimant permanent mobile 21 de manière à générer une force de répulsion. Le pôle sud de cet aimant permanent fixe 24 est donc dirigé du côté du fond de la boîte de montre, alors que le pôle nord est dirigé du côté du cadran de montre.In this configuration, the magnetic insulator arrangement 20 of the patch comprises a movable permanent magnet 21 preferably disposed in a middle portion of the patch. The orientation of the magnetic field is mainly directed perpendicular to the plate 5 with the south pole directed towards the watch face, while the north pole is directed to the side of the plate. The magnetic insulator arrangement 20 must therefore also comprise a fixed permanent magnet 24 preferably disposed in the plate 5 and facing the moving permanent magnet 21. The magnetic field of the fixed permanent magnet 24 is of opposite polarity to the magnetic field of the movable permanent magnet 21 so as to generate a repulsive force. The south pole of this magnet Fixed permanent 24 is thus directed towards the bottom of the watch case, while the north pole is directed towards the watch face.

Comme pour le premier mode de réalisation, il peut aussi être prévu de munir le timbre 3 de plusieurs aimants permanents mobiles, ainsi que la platine 5 de plusieurs aimants permanents fixes en regard chacun d'un aimant permanent mobile correspondant. Le fil métallique du timbre peut être un matériau ferromagnétique. Dans ces conditions, une aimantation permanente de la partie médiane du timbre peut aussi être réalisée comme représentée aux figures 2a et 2b. Il peut aussi être imaginé de réaliser une aimantation permanente de toute la longueur du fil métallique.As for the first embodiment, it can also be expected to provide the stamp 3 of several moving permanent magnets, and the plate 5 of several fixed permanent magnets each facing a corresponding movable permanent magnet. The metal wire of the stamp may be a ferromagnetic material. Under these conditions, a permanent magnetization of the middle portion of the patch can also be performed as shown in Figures 2a and 2b . It can also be imagined to achieve a permanent magnetization of the entire length of the wire.

La figure 3 représente une vue agrandie en coupe diamétrale partielle d'un troisième mode de réalisation de la montre à sonnerie 1 avec un agencement isolateur magnétique 20 du timbre 3. Dans ce troisième mode de réalisation, l'aimant permanent fixe est une bague aimantée 32 disposée en regard et de manière coaxiale à l'aimant permanent mobile 31 du timbre 3. Cette bague aimantée 32 est fixée à la platine et à une pièce du mouvement comme montré schématiquement sur la figure 3. Le pôle magnétique sur le pourtour extérieur de l'aimant permanent mobile 31 est identique au pôle magnétique sur le pourtour intérieur de la bague aimantée. Dans ces conditions et en cas de choc de la montre dans toute direction, le timbre 3 est maintenu dans une position stable à distance du pourtour intérieur de la bague aimantée 32 en fonction de la force de répulsion générée par les aimants permanents 31 et 32.The figure 3 is an enlarged view in partial diametrical section of a third embodiment of the striking watch 1 with a magnetic insulator arrangement 20 of the stamp 3. In this third embodiment, the fixed permanent magnet is a magnetized ring 32 arranged in coaxially with the movable permanent magnet 31 of the stamp 3. This magnetized ring 32 is fixed to the plate and to a part of the movement as shown schematically on the figure 3 . The magnetic pole on the outer periphery of the movable permanent magnet 31 is identical to the magnetic pole on the inner periphery of the magnetized ring. Under these conditions and in case of shock of the watch in any direction, the stamp 3 is kept in a stable position at a distance from the inner periphery of the magnetized ring 32 as a function of the repulsive force generated by the permanent magnets 31 and 32.

Il peut être prévu également plusieurs bagues aimantées disposées coaxialement au timbre et en plusieurs endroits de la longueur du timbre 3. Une aimantation permanente de toute la longueur du fil métallique aimantable du timbre peut avantageusement être réalisée.It can also be provided several magnetized rings arranged coaxially with the stamp and in several places of the length of the stamp 3. Permanent magnetization of the entire length of the magnetizable metal wire of the stamp can advantageously be achieved.

A partir de la description qui vient d'être faite, plusieurs variantes de réalisation de la montre à sonnerie avec son agencement isolateur magnétique du timbre peuvent être conçues par l'homme du métier sans sortir du cadre de l'invention définie par les revendications. Une partie médiane du timbre peut être fixée à un porte-timbre solidaire de la platine ou de la carrure de montre. Le marteau peut être monté sur la carrure de la montre.From the description that has just been given, several embodiments of the ringing watch with its magnetic insulator arrangement of the stamp can be designed by the skilled person without departing from the scope of the invention defined by the claims. A median portion of the stamp may be attached to a stamp holder secured to the plate or the watchband. The hammer can be mounted on the middle part of the watch.

Claims (14)

  1. Striking watch (1) including at least one gong (3) secured to a gong-carrier (2) and at least one hammer (4) for striking the gong, characterized in that the watch includes a magnetic gong insulator arrangement (20) for preventing any inadvertent contact between the gong and a neighbouring part (5, 6) of the watch, said arrangement including at least one moving permanent magnet (21, 31) arranged on one part of the gong (3) at a distance from the gong-carrier (2), and at least one magnetic element (22, 23, 24, 32) arranged on a part (5, 6) of the watch close to the gong, the magnetic element being capable of generating a magnetic field of opposite polarity to the magnetic field of the moving permanent magnet facing the magnetic element.
  2. Striking watch (1) according to claim 1, characterized in that magnetic element is a fixed permanent magnet (22, 23, 24, 32).
  3. Striking watch (1) according to claim 1, characterized in that the magnetic element is a coil able to be connected to a continuous current source for generating a magnetic field of opposite polarity to the magnetic field of the moving permanent magnet (21, 31).
  4. Striking watch (1) according to claim 3, characterized in that when the watch is in strike mode, the coil is arranged to be disconnected from the continuous current source.
  5. Striking watch (1) according to claim 1, characterized in that the gong (3) defines at least one portion of a circle or one portion of a rectangle around a watch movement (10) inside a case or a frame (6) of said watch, and in that a first end of the gong (3) is secured to the gong-carrier (2), while the second end is free to move, the moving permanent magnet (21) being arranged on the second end of the gong.
  6. Striking watch (1) according to claim 5, characterized in that the gong-carrier (2) is integral with a plate (5) on which the watch movement (10) is mounted, and in that the magnetic element is a fixed permanent magnet (24, 32) mounted on or in the plate (5).
  7. Striking watch (1) according to claim 6, characterized in that the fixed permanent magnet (32) takes the form of a magnetised ring arranged opposite and coaxial to the moving permanent magnet of the gong, the magnetic pole on the external periphery of the moving permanent magnet being identical to the magnetic pole on the internal periphery of the magnetised ring.
  8. Striking watch (1) according to claim 1, characterized in that the gong (3) defines at least one portion of a circle or one portion of a rectangle around a watch movement (10) inside a case or frame (6) of said watch, and in that a first end of the gong (3) is secured to a first gong-carrier (2), while a second end of the gong is secured to a second gong-carrier (2'), and in that the moving permanent magnet (21) is arranged in a median portion of the gong.
  9. Striking watch (1) according to claim 8, characterized in that the gong-carriers (2) are integral with a plate (5) on which the watch movement (10) is mounted, and in that the magnetic element is a fixed permanent magnet (24) mounted on or in the plate.
  10. Striking watch (1) according to claim 1, characterized in that it includes several gongs (3) arranged without any contact one on top of the other, one end of each gong being secured to the same gong-carrier (2) or to several respective gong-carriers, and in that the magnetic insulator arrangement (20) includes a moving permanent magnet (21) arranged on one part of each gong at a distance from the gong-carrier, the moving permanent magnets facing each other with opposite magnetic field polarities to generate a repulsion force.
  11. Striking watch (1) according to claim 10, characterized in that the magnetic insulator arrangement (20) includes at least one fixed permanent magnet (24) arranged on or in a watch plate (5), to which the gong-carrier is fixed, the fixed permanent magnet being opposite the moving permanent magnet of the gong closest to the plate, and with opposite magnetic field polarity.
  12. Striking watch (1) according to claim 1, characterized in that the moving permanent magnet (21) is made in a ferromagnetic gong material.
  13. Striking watch (1) according to claim 12, characterized in that the moving permanent magnet (21) is made over the entire length of the gong.
  14. Striking watch (1) according to any of claims 1 and 12, characterized in that several moving permanent magnets (21, 31) are arranged over the length of the gong, and in that several magnetic elements, which are formed by fixed permanent magnets (22, 23, 24, 32) are arranged on one or several parts (5, 6) of the watch close to the gong, respectively opposite each moving permanent magnet and with an opposite magnetic field polarity to each moving permanent magnet.
EP10176413.2A 2010-09-13 2010-09-13 Alarm watch provided with a gong insulator Active EP2428857B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP10176413.2A EP2428857B1 (en) 2010-09-13 2010-09-13 Alarm watch provided with a gong insulator
JP2011191314A JP5757827B2 (en) 2010-09-13 2011-09-02 A watch with a hitting bell function equipped with a gong cutting device
US13/229,084 US8531922B2 (en) 2010-09-13 2011-09-09 Striking watch provided with a gong insulator
CN201110269762.8A CN102402178B (en) 2010-09-13 2011-09-13 Striking watch provided with gong insulator
HK12109392.1A HK1168665A1 (en) 2010-09-13 2012-09-24 Striking watch provided with a gong insulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10176413.2A EP2428857B1 (en) 2010-09-13 2010-09-13 Alarm watch provided with a gong insulator

Publications (2)

Publication Number Publication Date
EP2428857A1 EP2428857A1 (en) 2012-03-14
EP2428857B1 true EP2428857B1 (en) 2016-02-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP10176413.2A Active EP2428857B1 (en) 2010-09-13 2010-09-13 Alarm watch provided with a gong insulator

Country Status (5)

Country Link
US (1) US8531922B2 (en)
EP (1) EP2428857B1 (en)
JP (1) JP5757827B2 (en)
CN (1) CN102402178B (en)
HK (1) HK1168665A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH707078A1 (en) * 2012-10-15 2014-04-15 Société Anonyme De La Manufacture D Horlogerie Audemars Piguet & Cie Stamp for striking work of a timepiece.
EP2808745B1 (en) * 2013-05-28 2019-07-03 Montres Breguet SA Striking mechanism provided with means for selecting chime vibration mode
CH709594B1 (en) * 2014-05-06 2021-09-30 Blancpain Sa Assembly for generating a ringing of a striking mechanism of a watch.
EP3832399A1 (en) * 2019-12-06 2021-06-09 Blancpain SA Set of gongs for a striking mechanism of a watch
JP7049691B2 (en) 2020-03-03 2022-04-07 將 大舘 Pants with belt
EP3885843A1 (en) * 2020-03-24 2021-09-29 The Swatch Group Research and Development Ltd Watch with mechanical or electronic movement equipped with a striking mechanism

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
DE443387C (en) * 1926-06-12 1927-04-27 Hans Benecke Locking device for the striking mechanism of room clocks
US2008745A (en) * 1932-07-28 1935-07-23 Ingraham E Co Modulated striking mechanism for electric alarm clocks
US2054765A (en) * 1932-12-07 1936-09-15 Seth Thomas Clock Company Striking and chime clock
DE1946341A1 (en) * 1969-09-12 1971-04-22 Junghans Gmbh Geb Electric striking mechanism for clocks
DE7021446U (en) * 1970-06-08 1971-02-25 Junghans Gmbh Geb ELECTRIC BELL FOR ALARM CLOCKS.
GB1368702A (en) * 1971-02-18 1974-10-02 Suwa Seikosha Kk Alarm wrist watch
DE2817762A1 (en) * 1978-04-22 1979-10-31 Kieninger & Obergfell CLOCK WITH STRIKING GLASS
US4255744A (en) * 1979-06-11 1981-03-10 American Standard Inc. Highway crossing bell apparatus
EP1906267B1 (en) * 2006-09-26 2009-05-06 Montres Breguet S.A. Chiming watch
ATE518169T1 (en) 2006-10-12 2011-08-15 Christophe Claret Sa BELL INSULATOR
JP5206233B2 (en) * 2007-09-05 2013-06-12 セイコーエプソン株式会社 Watches and portable devices
CH700212B1 (en) * 2009-01-12 2013-11-29 Richemont Int Sa Support for timepiece ringing stamps.
EP2228693B1 (en) * 2009-03-13 2013-03-13 Bulgari Horlogerie S.A. Fixing device for the gongs of a sonnerie watch

Also Published As

Publication number Publication date
US8531922B2 (en) 2013-09-10
CN102402178A (en) 2012-04-04
HK1168665A1 (en) 2013-01-04
JP5757827B2 (en) 2015-08-05
JP2012058232A (en) 2012-03-22
US20120063275A1 (en) 2012-03-15
CN102402178B (en) 2013-06-12
EP2428857A1 (en) 2012-03-14

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