EP2942675B1 - Chiming watch - Google Patents

Chiming watch Download PDF

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Publication number
EP2942675B1
EP2942675B1 EP14167306.1A EP14167306A EP2942675B1 EP 2942675 B1 EP2942675 B1 EP 2942675B1 EP 14167306 A EP14167306 A EP 14167306A EP 2942675 B1 EP2942675 B1 EP 2942675B1
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EP
European Patent Office
Prior art keywords
watch
acoustic
gong
partition
watch according
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
EP14167306.1A
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German (de)
French (fr)
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EP2942675A1 (en
Inventor
Lucas Raggi
Jean-Daniel Lüthi
Jose Manuel Fernandez
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.)
Manufacture dHorlogerie Audemars Piguet SA
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Manufacture dHorlogerie Audemars Piguet 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.)
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Publication date
Application filed by Manufacture dHorlogerie Audemars Piguet SA filed Critical Manufacture dHorlogerie Audemars Piguet SA
Priority to EP14167306.1A priority Critical patent/EP2942675B1/en
Priority to JP2015092985A priority patent/JP6541409B2/en
Priority to US14/703,940 priority patent/US9164487B1/en
Priority to CN201510229314.3A priority patent/CN105093903B/en
Publication of EP2942675A1 publication Critical patent/EP2942675A1/en
Priority to HK16105013.4A priority patent/HK1217541A1/en
Application granted granted Critical
Publication of EP2942675B1 publication Critical patent/EP2942675B1/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
    • G04B21/00—Indicating the time by acoustic means
    • G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
    • 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
    • G04B23/028—Sounding bodies; boxes used as sounding cases; fixation on or in the case
    • 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
    • G04B21/00—Indicating the time by acoustic means
    • G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
    • G04B21/08—Sounding bodies; Whistles; Musical apparatus
    • 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
    • G04B37/00—Cases
    • G04B37/0075—Cases with means to enhance sound transmission

Definitions

  • the present invention relates to a bell watch.
  • a watch In the field of watchmaking, it is known to equip a watch with a bell intended to produce one or more sounds, for example at regular intervals, as in the case of a large bell, or following an actuation manual, as in the case of a minute repeater and a quarter repeater, or even at a time adjustable in the day, in the case of an alarm clock.
  • the sound can result from the vibration of a stamp after it is struck by a hammer.
  • the stamp is generally comprised of an elongated ring-shaped element which partially surrounds the watch movement within the watch case. Several timbres capable of producing different tones can equip the same watch.
  • the watch movement When the watch movement is disposed inside a sealed housing, it is the same or the stamps, except to provide a complex device for transmitting a strike through one of the walls defining the sealed housing.
  • the attenuation of the vibratory waves is accentuated by the presence of seals at the interfaces between the parts delimiting the sealed housing.
  • the sound intensity of a sound is just one of its aspects.
  • a sound is also distinguished by its sound or timbre, which results from several factors including the structure of harmonics and partials in the sound and evolution of this structure over time.
  • the quality of a sound includes its intensity, as well as its other aspects, notably its sound or timbre.
  • the European patent EP 2 228 693 B1 proposes a solution in which the stamp is attached to the ice of the watch case.
  • the stamp fixing device is complex.
  • it is feared that, again, the sound of the sound emitted by the watch is not satisfactory.
  • the invention aims at least to improve the sound qualities of a ring incorporated into a watch, by means of a solution as simple as possible.
  • a striking watch which comprises a watch case delimiting an internal chamber, as well as an attached partition defining an acoustic acoustic emission membrane.
  • the partition divides the inner chamber into an acoustic cavity and a sealed housing accommodating a watch movement, a striking mechanism associated with the watch movement and at least one stamp intended to vibrate after being struck by the striking mechanism.
  • the acoustic cavity is delimited at least by the reported partition and a bottom which is constitutive of the watch case.
  • the reported partition carries the stamp.
  • a peripheral edge of the attached partition forms an assembly flange of this partition to the watch case.
  • a central portion of the reported partition forms said acoustic sound emission membrane.
  • An attachment of the stamp to the reported partition is provided. This attachment of the stamp to the reported partition is located at a portion connecting the periphery of the acoustic membrane to the assembly flange.
  • mechanical vibrations are vibrations occurring and / or propagating in solid material.
  • the mechanical vibrations of the stamp are transmitted to the acoustic acoustic emission membrane, which vibrates as a result and which emits sound waves in addition to those emitted by the patch. This makes it possible to obtain a sound of quality, whose parameters can be modified by playing on characteristics of the acoustic acoustic emission membrane.
  • the specific features of the acoustic acoustic emission membrane in particular its constituent material, its geometry and its dimensions, can be chosen to promote the vibration of this acoustic sound emission membrane at all or some of the frequencies, including the partials, to which the timbre vibrates after having been struck.
  • the ring watch defined above may incorporate one or more other advantageous features, alone or in combination, in particular among those defined below.
  • fixing the stamp to the reported partition is a rigid conductive vibration attachment.
  • the transmission of the mechanical vibrations of the stamp to the acoustic acoustic emission membrane is effective.
  • the rigid conductive vibration attachment alone holds the stamp. When this is the case, there is little damping of the vibrations of the timbre without sound emission.
  • the rigid conductive vibration fixation is carried out by a fixing device comprising a shoe which rigidly holds the stamp and which is rigidly attached to the reported partition.
  • the shoe has a tight face on a surface of the reported partition.
  • the transmission of the mechanical vibrations of the stamp to the acoustic acoustic emission membrane is effective.
  • the reported partition comprises a mounting base on which is mounted the stamp.
  • the assembly flange extends in a plane away from which the sound acoustic emission membrane is located.
  • a wall closed on itself of the attached partition connects the acoustic acoustic emission membrane to the assembly flange.
  • the acoustic acoustic emission membrane, the rigid vibration-conducting fastener and the timbre extend away from any distinct element of the reported partition. When this is the case, there is little or no loss of vibration of the timbre in an element not involved in the sound emission.
  • the striking watch comprises a seal disposed between the assembly flange and the housing so as to provide a seal between the sealed housing and the acoustic cavity.
  • At least one sound diffusion through ear communicating the acoustic cavity with the outside is pierced in said bottom.
  • a watch according to the invention comprises a watch case 1 resulting from the assembly of several pieces, including a caseband 2, a bottom 3 and a window 4.
  • the watch case 1 also comprises sealing seals and a window 5 held by the window 4.
  • the constituent parts of the watch case 1 are held together by fastening means known in themselves and not visible in the figures. .
  • the watch case 1 delimits an internal chamber 6, an attached partition 7 divides into two superimposed spaces, which are a sealed and sealed housing 8 and an acoustic cavity 9.
  • a sealed and sealed housing 8 In the sealed housing 8 are a watch movement 10 and a striking mechanism 11 associated with this watch movement 10.
  • a stamp 12 is also present in the sealed housing 8. Although there is only one stamp 12 in the example shown, it is possible to provide several stamps without departing from the scope of the invention.
  • the patch 12 is an elongated element and curved uniformly over substantially its entire length. It runs along the middle part 2 and at least partially surrounds the watch movement 10.
  • the watch movement 10 and the striking mechanism 11 are known in themselves and are schematically represented, as is also the plate 13 of the watch movement 10.
  • the striking mechanism 11 is intended to strike the stamp 12 and so do it vibrate, for example one or more times at regular intervals, every hour, or following a manual operation, or even at a time adjustable in the day, in the case of an alarm clock.
  • the bottom 3 and the attached partition 7 delimit between them the acoustic cavity 9, which is flattened in the direction of the thickness of the watch and that the through openings of sound diffusion 14 communicate with the outside.
  • the bottom 3 of the watch case 1 may be devoid of hearing of sound diffusion 14, a striking watch that can incorporate the invention even if no hearing of sound diffusion 14 is pierced in the bottom of its housing.
  • the stamp 12 is mounted in the sealed housing 8, independently of the watch movement 10 and the striking mechanism 11, which have been removed on this figure 3 .
  • the stamp 12 is not fixed to the plate 13.
  • This patch 12 is fixed to the attached partition 7, via a shoe 15 which is metallic like the stamp 12.
  • the attached partition 7 is distinct from the watch case 1.
  • This attached partition 7, the stamp 12 and the shoe 15 are part of a subassembly 16, which can be assembled before being mounted in the watch case 1, and then be fixed in this watch case 1, to the middle part 2, using a set of screws 17.
  • the attached partition 7 and the middle part 2 clamp between them a seal 18, which contributes to the sealing of the watertight housing 8 with respect to the outside.
  • the subassembly 16 is such that its presence does not affect the tightness of the watch.
  • Subassembly 16 is shown alone to Figures 4 and 5 .
  • the attached partition 7 of this subassembly 16 generally has a bowl shape with flange. It comprises a peripheral edge forming an assembly flange 20, which is provided with holes 21 each for the passage of a screw 17.
  • One face of the assembly flange 20 delimits an annular groove 22 for positioning the gasket. sealing 18.
  • a central portion of the attached partition 7 constitutes a sound acoustic plane of sound emission 23, a rising wall 24 closed on itself connected to the assembly flange 20.
  • the sound acoustic plane of sound emission 23 extends in a plane P 1 , being shifted from a plane P 2 in which the assembly flange 20 extends.
  • a protuberance resulting from local thickening, inwardly, of the rising wall 24 forms a mounting base 25 to mount the shoe 15.
  • This mounting base 25 is connected locally around the periphery of the acoustic sound diffusion membrane 23
  • the added partition 7, including its acoustic sound emitting membrane 23 may be made, for example, of metal glass, or of titanium, or of steel, or else of a cuprous.
  • the sound acoustic emission membrane 23 can also be complex and consists of several associated elements. Its constituent material may be a composite material.
  • the shoe 15 is rigidly fixed to the attached partition 7, by metal screws known in themselves and not visible, which pass through holes 26 of the shoe 15 and which are screwed into the mounting base 25.
  • a planar face 27 of the shoe 15 is clamped firmly on a complementary flat surface 28 of the mounting base 25, so that the transmission of mechanical vibrations from the shoe 15 to the attached partition 7 is promoted.
  • the shoe 15 may be rigidly attached to the partition 7 by welding.
  • the shoe 15 Only the shoe 15 holds the stamp 12. More specifically, it rigidly holds a fixed end 29 of the stamp 12, the other end 30 is free.
  • the fixed end 29 is force-fitted into a hole of the shoe 15, so as to be rigidly secured to the shoe 15.
  • the stamp 12 is held only by its fixed end 29.
  • the shoe 15 and the screws which fix it to the mounting base 25 provide a rigid attachment of the stamp 12 to the attached partition 7.
  • This rigid attachment is conductive mechanical vibrations.
  • the striking mechanism 11 is provided to apply a striking on the stamp 12, in the vicinity of the fixed end 29. Following such striking, the stamp 12 begins to vibrate. Once it vibrates, the tone 12 emits sound waves in the surrounding air. In addition, the shoe 15 transmits to the reported partition 7, the mechanical vibrations of the stamp 12. Mechanical vibrations generated by the stamp 12 are thus transmitted to the acoustic sound emitting membrane 23, which also starts to vibrate and which emits also sound waves, especially in the air of the acoustic cavity 9.
  • the emission of sound from the vibrations of the timbre 12 occurs at the level of this stamp 12 and also at the level of the acoustic sound emission membrane 23, which acts as a soundboard without being content to transmit sound vibrations.
  • the specific features of the acoustic sound emission membrane 23, in particular its constituent material, its geometry and its dimensions, are chosen to promote the vibration of this acoustic sound emission membrane 23 at all or part of the frequencies, including the partial ones. , to which the stamp 12 is able to vibrate, following an impact received.
  • the sound emitted by the patch 12 and the sound-emitting acoustic membrane 23 is of excellent quality, both in terms of acoustic intensity and sound or richness of sound.
  • the sound diffusion openings 14 diffuse on the outside the sound emitted in the acoustic cavity 9.

Description

Domaine technique de l'inventionTechnical field of the invention

La présente invention concerne une montre à sonnerie.The present invention relates to a bell watch.

État de la techniqueState of the art

Dans le domaine de l'horlogerie, il est connu d'équiper une montre d'une sonnerie prévue pour produire un ou plusieurs sons, par exemple à intervalles réguliers, comme dans le cas d'une grande sonnerie, ou bien suite à un actionnement manuel, comme dans les cas d'une répétition minute et d'une répétition quart, ou bien encore à un moment réglable dans la journée, dans le cas d'un réveil.In the field of watchmaking, it is known to equip a watch with a bell intended to produce one or more sounds, for example at regular intervals, as in the case of a large bell, or following an actuation manual, as in the case of a minute repeater and a quarter repeater, or even at a time adjustable in the day, in the case of an alarm clock.

Le son peut résulter de la mise en vibration d'un timbre suite à sa frappe par un marteau. Le timbre est généralement constitué d'un élément allongé en forme de portion d'anneau, qui entoure partiellement le mouvement horloger de la montre à l'intérieur du boîtier de montre. Plusieurs timbres à même de produire des tonalités différentes peuvent équiper une même montre.The sound can result from the vibration of a stamp after it is struck by a hammer. The stamp is generally comprised of an elongated ring-shaped element which partially surrounds the watch movement within the watch case. Several timbres capable of producing different tones can equip the same watch.

Produites depuis l'intérieur du boîtier de montre, les vibrations sonores doivent être audibles à l'extérieur de ce boîtier de montre, qui tend pourtant à les étouffer. A cet égard, plus la montre est de taille réduite, plus ses composants doivent être petits et plus il est difficile de leur faire émettre un son suffisamment fort. Cela pose problème d'une manière aigüe dans les montres-bracelets, auxquelles est plus particulièrement destinée l'invention.Produced from inside the watch case, the sound vibrations must be audible outside the watch case, which tends to suffocate them. In this respect, the smaller the watch, the smaller its components and the more difficult it is to make them sound loud enough. This is a problem in an acute way in wristwatches, which is particularly intended for the invention.

Lorsque le mouvement horloger est disposé à l'intérieur d'un logement étanche, il en est de même du ou des timbres, sauf à prévoir un dispositif complexe pour transmettre une frappe à travers une des parois délimitant le logement étanche. L'atténuation des ondes vibratoires est accentuée par la présence de joints d'étanchéité aux interfaces entre les pièces délimitant le logement étanche.When the watch movement is disposed inside a sealed housing, it is the same or the stamps, except to provide a complex device for transmitting a strike through one of the walls defining the sealed housing. The attenuation of the vibratory waves is accentuated by the presence of seals at the interfaces between the parts delimiting the sealed housing.

L'intensité acoustique d'un son n'est que l'un de ses aspects. Un son se singularise également par sa sonorité ou timbre, qui résulte de plusieurs facteurs dont la structure des harmoniques et des partiels dans le son et l'évolution de cette structure dans le temps. Au sens où on l'entend ici, la qualité d'un son comprend son intensité, ainsi que ses autres aspects, notamment sa sonorité ou timbre.The sound intensity of a sound is just one of its aspects. A sound is also distinguished by its sound or timbre, which results from several factors including the structure of harmonics and partials in the sound and evolution of this structure over time. In the sense that we hear it here, the quality of a sound includes its intensity, as well as its other aspects, notably its sound or timbre.

Dans le brevet européen EP 2 196 869 B1 , il est proposé un boîtier de montre équipé d'un porte-timbre et d'un timbre, lesquels sont venus de matière avec une carrure constitutive du boîtier de montre. Une telle carrure est particulièrement complexe à réaliser, sans pour autant garantir que le son émis par la montre possède toutes les qualités attendues, en particulier une sonorité satisfaisante.In the European patent EP 2 196 869 B1 , there is proposed a watch case equipped with a stamp holder and a stamp, which are made of material with a constituent middle part of the watch case. Such a build is particularly complex to achieve, without guaranteeing that the sound emitted by the watch has all the expected qualities, especially a satisfactory sound.

Le brevet européen EP 2 228 693 B1 propose une solution dans laquelle le timbre est fixé à la glace du boîtier de montre. Le dispositif de fixation du timbre est complexe. De plus, on peut craindre que, là encore, la sonorité du son émis par la montre ne soit pas satisfaisante.The European patent EP 2 228 693 B1 proposes a solution in which the stamp is attached to the ice of the watch case. The stamp fixing device is complex. In addition, it is feared that, again, the sound of the sound emitted by the watch is not satisfactory.

Dans la demande de brevet français FR 2 777 095 , il est question de montres dont la carrure est au moins en partie creuse de manière à contenir une ou plusieurs chambres résonnantes. Le timbre ou un autre organe résonnant est fixé à une paroi délimitant une telle chambre résonnante, qui s'étend à l'intérieur du boîtier de montre. La carrure comprenant la chambre résonnante est une partie complexe difficilement réalisable. En outre, les parois délimitant la chambre résonnante sont faites d'un matériau qui doit être le même que celui de tout ou partie de la carrure et qui ne peut donc pas être choisi uniquement pour ses propriétés acoustiques.In the French patent application FR 2,777,095 it is a question of watches whose middle part is at least partly hollow so as to contain one or more resonant chambers. The patch or other resonant member is attached to a wall defining such a resonant chamber, which extends inside the watch case. The middle part comprising the resonant chamber is a complex part that is difficult to achieve. In addition, the walls defining the resonant chamber are made of a material which must be the same as that of all or part of the middle part and which can not therefore be chosen solely for its acoustic properties.

Dans les demandes de brevet EP 2 367 078 A1 , EP 2 461 219 et EP 2 461 220 , il est décrit une montre pourvue d'une membrane de rayonnement acoustique formant une cloison séparatrice à l'intérieur du boîtier de montre. D'un côté de cette membrane se trouve le mouvement horloger, y compris la platine. Le support portant le timbre est fixé à la platine du mouvement horloger, auquel sont donc transmises les vibrations du timbre.In patent applications EP 2 367 078 A1 , EP 2 461 219 and EP 2 461 220 , there is described a watch provided with an acoustic radiation membrane forming a partition wall inside the watch case. On one side of this membrane is the watch movement, including the platinum. The support bearing the stamp is attached to the watch movement's stage, to which the vibration of the stamp is transmitted.

Dans le brevet suisse CH 263861 , il est proposé une montre pourvue d'une membrane acoustique qui forme une cloison séparatrice à l'intérieur du boîtier de montre et qui porte un élément en forme de cloche prévu pour vibrer après avoir été frappé par un marteau.In the Swiss patent CH 263861 it is proposed a watch provided with an acoustic membrane which forms a partition wall inside the watch case and which carries a bell-shaped member provided to vibrate after being struck by a hammer.

Résumé de l'inventionSummary of the invention

L'invention a au moins pour but de permettre d'améliorer les qualités sonores d'une sonnerie incorporée à une montre, au moyen d'une solution aussi simple que possible.The invention aims at least to improve the sound qualities of a ring incorporated into a watch, by means of a solution as simple as possible.

Selon l'invention, ce but est atteint grâce à une montre à sonnerie, qui comprend un boîtier de montre délimitant une chambre interne, ainsi qu'une cloison rapportée définissant une membrane acoustique d'émission sonore. La cloison rapportée divise la chambre interne en une cavité acoustique et un logement étanche accueillant un mouvement horloger, un mécanisme de sonnerie associé au mouvement horloger et au moins un timbre prévu pour vibrer après avoir reçu une frappe de la part du mécanisme de sonnerie. La cavité acoustique est délimitée au moins par la cloison rapportée et par un fond qui est constitutif du boîtier de montre. La cloison rapportée porte le timbre. Une bordure périphérique de la cloison rapportée forme une bride d'assemblage de cette cloison au boîtier de montre. Une portion centrale de la cloison rapportée forme ladite membrane acoustique d'émission sonore. Une fixation du timbre à la cloison rapportée est prévue. Cette fixation du timbre à la cloison rapportée est localisée au niveau d'une portion raccordant le pourtour de la membrane acoustique à la bride d'assemblage.According to the invention, this object is achieved by means of a striking watch, which comprises a watch case delimiting an internal chamber, as well as an attached partition defining an acoustic acoustic emission membrane. The partition divides the inner chamber into an acoustic cavity and a sealed housing accommodating a watch movement, a striking mechanism associated with the watch movement and at least one stamp intended to vibrate after being struck by the striking mechanism. The acoustic cavity is delimited at least by the reported partition and a bottom which is constitutive of the watch case. The reported partition carries the stamp. A peripheral edge of the attached partition forms an assembly flange of this partition to the watch case. A central portion of the reported partition forms said acoustic sound emission membrane. An attachment of the stamp to the reported partition is provided. This attachment of the stamp to the reported partition is located at a portion connecting the periphery of the acoustic membrane to the assembly flange.

Au sens où on l'entend ici, des vibrations mécaniques sont des vibrations se produisant et/ou se propageant dans de la matière solide. Dans une montre incorporant l'invention, les vibrations mécaniques du timbre sont transmises à la membrane acoustique d'émission sonore, qui vibre de ce fait et qui émet des ondes sonores s'ajoutant à celles émises par le timbre. Cela permet d'obtenir un son de qualité, dont on peut modifier des paramètres en jouant sur des caractéristiques de la membrane acoustique d'émission sonore.As used herein, mechanical vibrations are vibrations occurring and / or propagating in solid material. In a watch incorporating the invention, the mechanical vibrations of the stamp are transmitted to the acoustic acoustic emission membrane, which vibrates as a result and which emits sound waves in addition to those emitted by the patch. This makes it possible to obtain a sound of quality, whose parameters can be modified by playing on characteristics of the acoustic acoustic emission membrane.

En particulier, les spécificités de la membrane acoustique d'émission sonore, en particulier son matériau constitutif, sa géométrie et ses dimensions, peuvent être choisies pour favoriser la vibration de cette membrane acoustique d'émission sonore à tout ou partie des fréquences, y compris les partiels, auxquelles le timbre vibre après avoir été frappé.In particular, the specific features of the acoustic acoustic emission membrane, in particular its constituent material, its geometry and its dimensions, can be chosen to promote the vibration of this acoustic sound emission membrane at all or some of the frequencies, including the partials, to which the timbre vibrates after having been struck.

A cet égard, on notera qu'il n'est pas possible de choisir avec la même liberté les propriétés vibratoires d'une glace d'un boîtier de montre. Notamment, une telle glace doit présenter une épaisseur importante pour être suffisamment résistante, si bien que son premier mode propre de résonnance se situe normalement aux alentours de 16 kHz, c'est-à-dire largement au-dessus de la zone intéressante qui contient les partiels du timbre et qui se situe généralement entre 500 Hz et 1 kHz. C'est pourquoi la solution proposée dans le brevet européen EP 2 228 693 B1 précité ne peut pas être satisfaisante du point de vue de la qualité sonore, contrairement à l'invention définie précédemment.In this respect, it will be noted that it is not possible to choose with the same freedom the vibratory properties of an ice of a watch case. In particular, such a glass must have a large thickness to be sufficiently resistant, so that its first natural resonance mode is normally around 16 kHz, that is to say, largely above the interesting zone which contains the partials of the timbre and which is generally between 500 Hz and 1 kHz. This is why the solution proposed in the European patent EP 2 228 693 B1 mentioned above can not be satisfactory from the point of view of sound quality, contrary to the invention defined above.

La montre à sonnerie définie plus haut peut incorporer une ou plusieurs autres caractéristiques avantageuses, isolément ou en combinaison, en particulier parmi celles définies ci-après.The ring watch defined above may incorporate one or more other advantageous features, alone or in combination, in particular among those defined below.

Avantageusement, la fixation du timbre à la cloison rapportée est une fixation rigide conductrice de vibrations. Lorsque tel est le cas, la transmission des vibrations mécaniques du timbre à la membrane acoustique d'émission sonore est efficace.Advantageously, fixing the stamp to the reported partition is a rigid conductive vibration attachment. When this is the case, the transmission of the mechanical vibrations of the stamp to the acoustic acoustic emission membrane is effective.

Avantageusement, la fixation rigide conductrice de vibrations tient seule le timbre. Lorsque tel est le cas, il n'y a que peu d'amortissement des vibrations du timbre sans émission sonore.Advantageously, the rigid conductive vibration attachment alone holds the stamp. When this is the case, there is little damping of the vibrations of the timbre without sound emission.

Avantageusement, la fixation rigide conductrice de vibrations est réalisée par un dispositif de fixation comportant un sabot qui tient rigidement le timbre et qui est fixé rigidement à la cloison rapportée.Advantageously, the rigid conductive vibration fixation is carried out by a fixing device comprising a shoe which rigidly holds the stamp and which is rigidly attached to the reported partition.

Avantageusement, le sabot comporte une face serrée sur une surface de la cloison rapportée. Lorsque tel est le cas, la transmission des vibrations mécaniques du timbre à la membrane acoustique d'émission sonore est efficace.Advantageously, the shoe has a tight face on a surface of the reported partition. When this is the case, the transmission of the mechanical vibrations of the stamp to the acoustic acoustic emission membrane is effective.

Avantageusement, la cloison rapportée comporte un socle de montage sur lequel est monté le timbre.Advantageously, the reported partition comprises a mounting base on which is mounted the stamp.

Avantageusement, la bride d'assemblage s'étend dans un plan à l'écart duquel se trouve la membrane acoustique d'émission sonore. De préférence, une paroi fermée sur elle-même de la cloison rapportée raccorde la membrane acoustique d'émission sonore à la bride d'assemblage.Advantageously, the assembly flange extends in a plane away from which the sound acoustic emission membrane is located. Preferably, a wall closed on itself of the attached partition connects the acoustic acoustic emission membrane to the assembly flange.

Avantageusement, la membrane acoustique d'émission sonore, la fixation rigide conductrice de vibrations et le timbre s'étendent à l'écart de tout élément distinct de la cloison rapportée. Lorsque tel est le cas, il n'y a que peu sinon pas de déperdition des vibrations du timbre dans un élément n'intervenant pas dans l'émission sonore.Advantageously, the acoustic acoustic emission membrane, the rigid vibration-conducting fastener and the timbre extend away from any distinct element of the reported partition. When this is the case, there is little or no loss of vibration of the timbre in an element not involved in the sound emission.

Avantageusement, la montre à sonnerie comporte un joint d'étanchéité disposé entre la bride d'assemblage et le boitier de manière à réaliser une étanchéité entre le logement étanche et la cavité acoustique.Advantageously, the striking watch comprises a seal disposed between the assembly flange and the housing so as to provide a seal between the sealed housing and the acoustic cavity.

Avantageusement, au moins une ouïe traversante de diffusion sonore mettant en communication la cavité acoustique avec l'extérieur est percée dans ledit fond.Advantageously, at least one sound diffusion through ear communicating the acoustic cavity with the outside is pierced in said bottom.

Description sommaire des dessinsBrief description of the drawings

D'autres avantages et caractéristiques ressortiront plus clairement de la description qui va suivre d'un mode particulier de réalisation de l'invention donné à titre d'exemple non limitatif et représenté aux dessins annexés, parmi lesquels :

  • la figure 1 est une vue latérale sur laquelle une montre-bracelet conforme à l'invention est représentée sans son bracelet,
  • la figure 2 est vue simplifiée qui représente la même montre conforme à l'invention que la figure 1 et où certaines pièces seulement de cette montre sont représentées en coupe selon la ligne II-II de la figure 1, tandis que des sous-ensembles internes connus en eux-mêmes de la montre de la figure 1 sont représenté schématiquement ou omis dans un souci de clarté,
  • la figure 3 est une vue simplifiée qui représente également la même montre conforme à l'invention que la figure 1 et qui est identique à la figure 2 sauf en ce que le mouvement horloger de la montre et un mécanisme de sonnerie y ont été supprimés,
  • la figure 4 est une vue en perspective d'un sous-ensemble constitutif de la montre des figures 1 à 3 et comprenant un timbre tenu par un sabot de fixation et une cloison rapportée dont la partie centrale constitue une membrane acoustique, et
  • la figure 5 est une vue latérale représentant le même sous-ensemble que la figure 4.
Other advantages and features will emerge more clearly from the following description of a particular embodiment of the invention given by way of non-limiting example and shown in the accompanying drawings, among which:
  • the figure 1 is a side view on which a wristwatch according to the invention is shown without its bracelet,
  • the figure 2 is simplified view which represents the same watch according to the invention that the figure 1 and where only parts of this watch are shown in section along line II-II of the figure 1 , while internal subsets known in themselves from the watch of the figure 1 are shown schematically or omitted for the sake of clarity,
  • the figure 3 is a simplified view which also represents the same watch according to the invention that the figure 1 and that is identical to the figure 2 except that the clock movement of the watch and a striking mechanism have been removed,
  • the figure 4 is a perspective view of a constituent subset of the watch of Figures 1 to 3 and comprising a patch held by a fixing shoe and an attached partition whose central portion constitutes an acoustic membrane, and
  • the figure 5 is a side view representing the same subset that the figure 4 .

Description d'un mode préférentiel de l'inventionDescription of a preferred embodiment of the invention

Sur la figure 1, une montre conforme à l'invention comporte un boîtier de montre 1 résultant de l'assemblage de plusieurs pièces, dont une carrure 2, un fond 3 et une lunette 4.On the figure 1 , a watch according to the invention comprises a watch case 1 resulting from the assembly of several pieces, including a caseband 2, a bottom 3 and a window 4.

Ainsi qu'on peut le voir à la figure 2, le boîtier de montre 1 comporte également des joints d'étanchéités et une glace 5 tenue par la lunette 4. Les pièces constitutives du boîtier de montre 1 sont maintenues assemblées par des moyens de fixation connus en eux-mêmes et non visibles sur les figures.As can be seen at figure 2 the watch case 1 also comprises sealing seals and a window 5 held by the window 4. The constituent parts of the watch case 1 are held together by fastening means known in themselves and not visible in the figures. .

Le boîtier de montre 1 délimite une chambre interne 6, qu'une cloison rapportée 7 divise en deux espaces superposés, qui sont un logement fermé et étanche 8 et une cavité acoustique 9. Dans le logement étanche 8 se trouvent un mouvement horloger 10 et un mécanisme de sonnerie 11 associé à ce mouvement horloger 10. Un timbre 12 est également présent dans le logement étanche 8. Bien qu'il n'y ait qu'un seul timbre 12 dans l'exemple représenté, il est possible de prévoir plusieurs timbres sans sortir du cadre de l'invention.The watch case 1 delimits an internal chamber 6, an attached partition 7 divides into two superimposed spaces, which are a sealed and sealed housing 8 and an acoustic cavity 9. In the sealed housing 8 are a watch movement 10 and a striking mechanism 11 associated with this watch movement 10. A stamp 12 is also present in the sealed housing 8. Although there is only one stamp 12 in the example shown, it is possible to provide several stamps without departing from the scope of the invention.

Constitué par une portion de tore, le timbre 12 est un élément allongé et courbé uniformément sur sensiblement toute sa longueur. Il longe la carrure 2 et entoure au moins partiellement le mouvement horloger 10.Constituted by a portion of torus, the patch 12 is an elongated element and curved uniformly over substantially its entire length. It runs along the middle part 2 and at least partially surrounds the watch movement 10.

Le mouvement horloger 10 et le mécanisme de sonnerie 11 sont connus en eux-mêmes et sont schématiquement représentés, comme l'est également la platine 13 du mouvement horloger 10. Le mécanisme de sonnerie 11 est prévu pour frapper le timbre 12 et ainsi le faire vibrer, par exemple une ou plusieurs fois à intervalles réguliers, toutes les heures, ou bien suite à un actionnement manuel, ou bien encore à un moment réglable dans la journée, dans le cas d'un réveil.The watch movement 10 and the striking mechanism 11 are known in themselves and are schematically represented, as is also the plate 13 of the watch movement 10. The striking mechanism 11 is intended to strike the stamp 12 and so do it vibrate, for example one or more times at regular intervals, every hour, or following a manual operation, or even at a time adjustable in the day, in the case of an alarm clock.

Le fond 3 et la cloison rapportée 7 délimitent entre eux la cavité acoustique 9, qui est aplatie dans le sens de l'épaisseur de la montre et que des ouïes traversantes de diffusion sonore 14 mettent en communication avec l'extérieur. En variante, le fond 3 du boîtier de montre 1 peut être dépourvu d'ouïe de diffusion sonore 14, une montre à sonnerie pouvant incorporer l'invention même si aucune ouïe de diffusion sonore 14 n'est percée dans le fond de son boîtier.The bottom 3 and the attached partition 7 delimit between them the acoustic cavity 9, which is flattened in the direction of the thickness of the watch and that the through openings of sound diffusion 14 communicate with the outside. Alternatively, the bottom 3 of the watch case 1 may be devoid of hearing of sound diffusion 14, a striking watch that can incorporate the invention even if no hearing of sound diffusion 14 is pierced in the bottom of its housing.

Ainsi qu'on peut le voir à la figure 3, le timbre 12 est monté dans le logement étanche 8, indépendamment du mouvement horloger 10 et du mécanisme de sonnerie 11, qui ont été ôtés sur cette figure 3. En particulier, le timbre 12 n'est pas fixé à la platine 13. Ce timbre 12 est fixé à la cloison rapportée 7, par l'intermédiaire d'un sabot 15 qui est métallique comme le timbre 12.As can be seen at figure 3 , the stamp 12 is mounted in the sealed housing 8, independently of the watch movement 10 and the striking mechanism 11, which have been removed on this figure 3 . In particular, the stamp 12 is not fixed to the plate 13. This patch 12 is fixed to the attached partition 7, via a shoe 15 which is metallic like the stamp 12.

La cloison rapportée 7 est distincte du boîtier de montre 1. Cette cloison rapportée 7, le timbre 12 et le sabot 15 font partie d'un sous-ensemble 16, qui peut être assemblé avant son montage dans le boîtier de montre 1, puis être fixé dans ce boîtier de montre 1, à la carrure 2, à l'aide d'un jeu de vis 17. La cloison rapportée 7 et la carrure 2 serrent entre eux un joint d'étanchéité 18, qui participe à l'étanchéité du logement étanche 8 par rapport à l'extérieur. Le sous-ensemble 16 est tel que sa présence n'affecte pas l'étanchéité de la montre.The attached partition 7 is distinct from the watch case 1. This attached partition 7, the stamp 12 and the shoe 15 are part of a subassembly 16, which can be assembled before being mounted in the watch case 1, and then be fixed in this watch case 1, to the middle part 2, using a set of screws 17. The attached partition 7 and the middle part 2 clamp between them a seal 18, which contributes to the sealing of the watertight housing 8 with respect to the outside. The subassembly 16 is such that its presence does not affect the tightness of the watch.

Le sous-ensemble 16 est représenté seul aux figures 4 et 5. La cloison rapportée 7 de ce sous-ensemble 16 a globalement une forme de cuvette avec rebord. Elle comporte une bordure périphérique formant une bride d'assemblage 20, qui est pourvue de trous répartis 21 chacun pour le passage d'une vis 17. Une face de la bride d'assemblage 20 délimite une cannelure annulaire 22 de positionnement du joint d'étanchéité 18.Subassembly 16 is shown alone to Figures 4 and 5 . The attached partition 7 of this subassembly 16 generally has a bowl shape with flange. It comprises a peripheral edge forming an assembly flange 20, which is provided with holes 21 each for the passage of a screw 17. One face of the assembly flange 20 delimits an annular groove 22 for positioning the gasket. sealing 18.

Une portion centrale de la cloison rapportée 7 constitue une membrane acoustique plane d'émission sonore 23, qu'une paroi montante 24 fermée sur elle-même raccorde à la bride d'assemblage 20. Ainsi qu'on peut bien le voir à la figure 5, la membrane acoustique plane d'émission sonore 23 s'étend dans un plan P1, en étant décalée d'un plan P2 dans lequel s'étend la bride d'assemblage 20. Comme on peut le voir à la figure 4, une protubérance résultant d'un épaississement local, vers l'intérieur, de la paroi montante 24 forme un socle de montage 25 où monter le sabot 15. Ce socle de montage 25 se raccorde localement au pourtour de la membrane acoustique de diffusion sonore 23. La cloison rapportée 7, y compris sa membrane acoustique d'émission sonore 23, peut être faite, par exemple, de verre métallique, ou de titane, ou bien d'acier, ou bien encore d'un cuivreux. La membrane acoustique d'émission sonore 23 peut également être complexe et constituée de plusieurs éléments associés. Son matériau constitutif peut être un matériau composite.A central portion of the attached partition 7 constitutes a sound acoustic plane of sound emission 23, a rising wall 24 closed on itself connected to the assembly flange 20. As can be clearly seen in FIG. figure 5 , the sound acoustic plane of sound emission 23 extends in a plane P 1 , being shifted from a plane P 2 in which the assembly flange 20 extends. As can be seen in FIG. figure 4 a protuberance resulting from local thickening, inwardly, of the rising wall 24 forms a mounting base 25 to mount the shoe 15. This mounting base 25 is connected locally around the periphery of the acoustic sound diffusion membrane 23 The added partition 7, including its acoustic sound emitting membrane 23, may be made, for example, of metal glass, or of titanium, or of steel, or else of a cuprous. The sound acoustic emission membrane 23 can also be complex and consists of several associated elements. Its constituent material may be a composite material.

Le sabot 15 est rigidement fixé à la cloison rapportée 7, par des vis métalliques connues en elles-mêmes et non visibles, qui passent dans des trous 26 du sabot 15 et qui sont vissées dans le socle de montage 25. Comme on peut le voir à la figure 3, une face plane 27 du sabot 15 est serrée fermement sur une surface plane complémentaire 28 du socle de montage 25, de manière que soit favorisée la transmission de vibrations mécaniques du sabot 15 à la cloison rapportée 7.The shoe 15 is rigidly fixed to the attached partition 7, by metal screws known in themselves and not visible, which pass through holes 26 of the shoe 15 and which are screwed into the mounting base 25. As can be seen to the figure 3 a planar face 27 of the shoe 15 is clamped firmly on a complementary flat surface 28 of the mounting base 25, so that the transmission of mechanical vibrations from the shoe 15 to the attached partition 7 is promoted.

En variante, le sabot 15 peut être fixé rigidement à la cloison 7 par soudage.Alternatively, the shoe 15 may be rigidly attached to the partition 7 by welding.

Seul le sabot 15 tient le timbre 12. Plus précisément, il tient rigidement une extrémité fixe 29 du timbre 12, dont l'autre extrémité 30 est libre. L'extrémité fixe 29 est emmanchée à force dans un trou du sabot 15, de manière à être rigidement solidarisée à ce sabot 15. Le timbre 12 est uniquement tenu par son extrémité fixe 29.Only the shoe 15 holds the stamp 12. More specifically, it rigidly holds a fixed end 29 of the stamp 12, the other end 30 is free. The fixed end 29 is force-fitted into a hole of the shoe 15, so as to be rigidly secured to the shoe 15. The stamp 12 is held only by its fixed end 29.

Le sabot 15 et les vis qui le fixent au socle de montage 25 réalisent une fixation rigide du timbre 12 à la cloison rapportée 7. Cette fixation rigide est conductrice de vibrations mécaniques.The shoe 15 and the screws which fix it to the mounting base 25 provide a rigid attachment of the stamp 12 to the attached partition 7. This rigid attachment is conductive mechanical vibrations.

Le mécanisme de sonnerie 11 est prévu pour appliquer une frappe sur le timbre 12, au voisinage de l'extrémité fixe 29. Suite à une telle frappe, le timbre 12 se met à vibrer. Une fois qu'il vibre, le timbre 12 émet des ondes sonores dans l'air qui l'environne. De plus, le sabot 15 transmet à la cloison rapportée 7, les vibrations mécaniques du timbre 12. Des vibrations mécaniques générées par le timbre 12 sont ainsi transmises à la membrane acoustique d'émission sonore 23, qui se met également à vibrer et qui émet également des ondes sonores, notamment dans l'air de la cavité acoustique 9.The striking mechanism 11 is provided to apply a striking on the stamp 12, in the vicinity of the fixed end 29. Following such striking, the stamp 12 begins to vibrate. Once it vibrates, the tone 12 emits sound waves in the surrounding air. In addition, the shoe 15 transmits to the reported partition 7, the mechanical vibrations of the stamp 12. Mechanical vibrations generated by the stamp 12 are thus transmitted to the acoustic sound emitting membrane 23, which also starts to vibrate and which emits also sound waves, especially in the air of the acoustic cavity 9.

De la sorte, l'émission du son à partir des vibrations du timbre 12 se produit au niveau de ce timbre 12 et aussi au niveau de la membrane acoustique d'émission sonore 23, qui agit à la manière d'une table d'harmonie sans se contenter de transmettre des vibrations sonores.In this way, the emission of sound from the vibrations of the timbre 12 occurs at the level of this stamp 12 and also at the level of the acoustic sound emission membrane 23, which acts as a soundboard without being content to transmit sound vibrations.

Les spécificités de la membrane acoustique d'émission sonore 23, en particulier son matériau constitutif, sa géométrie et ses dimensions, sont choisies pour favoriser la vibration de cette membrane acoustique d'émission sonore 23 à tout ou partie des fréquences, y compris les partiels, auxquelles le timbre 12 est à même de vibrer, suite à un impact reçu. Le son émis par le timbre 12 et la membrane acoustique d'émission sonore 23 est d'excellente qualité, tant en termes d'intensité acoustique que de sonorité ou richesse du son.The specific features of the acoustic sound emission membrane 23, in particular its constituent material, its geometry and its dimensions, are chosen to promote the vibration of this acoustic sound emission membrane 23 at all or part of the frequencies, including the partial ones. , to which the stamp 12 is able to vibrate, following an impact received. The sound emitted by the patch 12 and the sound-emitting acoustic membrane 23 is of excellent quality, both in terms of acoustic intensity and sound or richness of sound.

Les ouïes de diffusion sonore 14 diffusent à l'extérieur le son émis dans la cavité acoustique 9.The sound diffusion openings 14 diffuse on the outside the sound emitted in the acoustic cavity 9.

Claims (14)

  1. Striking watch, comprising a watch-case (1) delimiting an internal chamber (6), as well as an insert partition (7) defining an acoustic sound emission membrane (23), the insert partition (7) dividing the internal chamber (6) into an acoustic cavity (9) and a tight housing (8) receiving a timepiece movement (10), a striking mechanism (11) associated with the timepiece movement (10) and at least one gong (12) provided to vibrate after having received an impact from the striking mechanism (11), the acoustic cavity (9) being delimited at least by the insert partition (7) and by a back cover (3) which belongs to the watch-case (1), the insert partition (7) bearing the gong (12), a peripheral border of the insert partition (7) forming a connecting flange (20) connecting this partition (7) to the watch-case, a central portion of the insert partition (7) forming the said acoustic sound emission membrane (23), a fixing (15, 25) of the gong (12) to the insert partition (7) being provided, characterized in that the fixing (15, 25) of the gong (12) to the insert partition (7) is located at a portion (24, 25) connecting the acoustic membrane (23) to the connecting flange (20).
  2. Striking watch according to claim 1, characterized in that the fixing of the gong (12) to the insert partition (7) is a rigid, vibration-conducting fixing (15, 25).
  3. Watch according to claim 2, characterized in that the rigid, vibration-conducting fixing (15, 25) alone holds the gong (12).
  4. Watch according to any one of the claims 2 and 3, characterized in that the rigid, vibration-conducting fixing is achieved by a fixing device comprising a block (15) which rigidly holds the gong (12) and which is rigidly fixed to the insert partition (7).
  5. Watch according to claim 4, characterized in that the block (15) comprises a face (27) pressed on a surface (28) of the insert partition (7).
  6. Watch according to any one of the preceding claims, characterized in that the insert partition (7) comprises a mounting base (25) to which the gong (12) is mounted.
  7. Striking watch according to claim 6, characterized in that the mounting base (25) is locally connected to the rim of the acoustic membrane (23).
  8. Watch according to any one of the preceding claims, characterized in that the connecting flange (20) extends in a plane (P2) spaced apart from the acoustic sound emission membrane (23), an endless wall (24) of the insert partition (7) connecting the acoustic sound emission membrane (23) to the connecting flange (20).
  9. Watch according to claim 8 and any one of the claims 6 and 7, characterized in that a local thickening of the endless wall (24) forms the mounting base (25).
  10. Watch according to any one of the claims 8 and 9, characterized in that the fixing (15, 25) of the gong (12) to the insert partition (7) is located at the endless wall (24).
  11. Watch according to any one of the preceding claims, characterized in that the acoustic sound emission membrane (23), the fixing (15, 25) of the gong (12) to the insert partition (7), and the gong (12) are spaced apart from any member distinct from the insert partition (7).
  12. Watch according to any one of the preceding claims, characterized in that it comprises a gasket (18) disposed between the connecting flange (20) and the watch-case in such a way as to achieve a sealing between the tight housing (8) and the acoustic cavity (9).
  13. Watch according to any one of the preceding claims, characterized in that at least one through hole for sound diffusion (14) connecting the acoustic cavity (9) with the outside is pierced into the said back cover (3).
  14. Watch according to any one of the preceding claims, characterized in that the acoustic sound emission membrane (23) is such that the vibration of this acoustic sound emission membrane (23) is favoured at at least some of the frequencies at which the gong (12) is able to vibrate, following a received impact.
EP14167306.1A 2014-05-07 2014-05-07 Chiming watch Active EP2942675B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP14167306.1A EP2942675B1 (en) 2014-05-07 2014-05-07 Chiming watch
JP2015092985A JP6541409B2 (en) 2014-05-07 2015-04-30 Clock
US14/703,940 US9164487B1 (en) 2014-05-07 2015-05-05 Striking watch
CN201510229314.3A CN105093903B (en) 2014-05-07 2015-05-07 Tap clock and watch
HK16105013.4A HK1217541A1 (en) 2014-05-07 2016-05-03 Striking watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14167306.1A EP2942675B1 (en) 2014-05-07 2014-05-07 Chiming watch

Publications (2)

Publication Number Publication Date
EP2942675A1 EP2942675A1 (en) 2015-11-11
EP2942675B1 true EP2942675B1 (en) 2016-11-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP14167306.1A Active EP2942675B1 (en) 2014-05-07 2014-05-07 Chiming watch

Country Status (5)

Country Link
US (1) US9164487B1 (en)
EP (1) EP2942675B1 (en)
JP (1) JP6541409B2 (en)
CN (1) CN105093903B (en)
HK (1) HK1217541A1 (en)

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EP3696618A1 (en) * 2019-02-14 2020-08-19 Montres Breguet S.A. Chiming or musical watch with arrangement for guiding the acoustic waves
EP3835883A1 (en) * 2019-12-11 2021-06-16 The Swatch Group Research and Development Ltd Arrangement for holding and vibration transmission of an acoustic radiation membrane in a watch case

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Also Published As

Publication number Publication date
CN105093903B (en) 2019-02-22
CN105093903A (en) 2015-11-25
EP2942675A1 (en) 2015-11-11
JP2015215348A (en) 2015-12-03
US20150323903A1 (en) 2015-11-12
JP6541409B2 (en) 2019-07-10
US9164487B1 (en) 2015-10-20
HK1217541A1 (en) 2017-01-13

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