EP2482275B1 - Keyboard for musical box and musical box including said keyboard - Google Patents

Keyboard for musical box and musical box including said keyboard Download PDF

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Publication number
EP2482275B1
EP2482275B1 EP11152556.4A EP11152556A EP2482275B1 EP 2482275 B1 EP2482275 B1 EP 2482275B1 EP 11152556 A EP11152556 A EP 11152556A EP 2482275 B1 EP2482275 B1 EP 2482275B1
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EP
European Patent Office
Prior art keywords
strips
pin
pair
barrel
strip
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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EP11152556.4A
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German (de)
French (fr)
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EP2482275A1 (en
Inventor
Jérôme Favre
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.)
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Publication date
Application filed by Montres Breguet SA filed Critical Montres Breguet SA
Priority to EP11152556.4A priority Critical patent/EP2482275B1/en
Priority to CH00147/11A priority patent/CH704425A2/en
Priority to US13/333,360 priority patent/US8598442B2/en
Priority to JP2012006529A priority patent/JP5972579B2/en
Priority to CN201210018057.5A priority patent/CN102622998B/en
Publication of EP2482275A1 publication Critical patent/EP2482275A1/en
Priority to HK13101303.5A priority patent/HK1174430A1/en
Application granted granted Critical
Publication of EP2482275B1 publication Critical patent/EP2482275B1/en
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10F—AUTOMATIC MUSICAL INSTRUMENTS
    • G10F1/00—Automatic musical instruments
    • G10F1/06—Musical boxes with plucked teeth, blades, or the like

Definitions

  • the invention relates to a keyboard for a small music box, which can be in the form of a wristwatch.
  • the invention also relates to a music box, which includes at least one such keyboard including a musical wristwatch.
  • This music module includes at least one keyboard.
  • This keyboard is composed of several metal blades arranged parallel to each other in a plane and connected to a heel fixed to a watch plate. Each blade is capable of producing a tone of a specific tone depending on its length.
  • the blades are activated by pins of a rotating disk. The pins distributed on the rotating disk can lift or flex at least some of the blades and release them to vibrate, to generate music.
  • the patent US 6,268,554 B1 discloses a music box having two blades superimposed and inclined relative to each other, each blade being activated by a cylinder with pins so as to make possible the execution of duets.
  • Acoustic performance such as the duration of the vibration of the activated blade (s) depends on several factors. These factors concern the geometry of each blade, such as the height and length, the properties of the material, such as modulus of elasticity, density and internal damping, heat treatment or clamping or fixing the keyboard.
  • the vibration duration of the activated blades can become low because the internal friction in the watch becomes large compared to the effective mass of the keyboard.
  • Even at best performing a keyboard of a musical module taking into account the aforementioned factors it becomes difficult to optimize the vibration duration of activated blades of the keyboard of a music box in the form of a watch, without obtaining any effects. desired.
  • the invention therefore aims to provide a keyboard for a music box, whose blades are configured to overcome the disadvantages of the state of the art mentioned above.
  • the invention relates to a keyboard for a music box, comprising the characteristics, which are defined in the independent claim 1.
  • the keyboard of a music box is composed of a set of pairs of blades, where each pair of blades forms a tuning fork.
  • vibration propagation also occurs for the other blade of the pair through a longitudinal wave.
  • the vibration of the pair of blades can be easily guided to at least one radiant part of the music box, which can be in the form of a wristwatch.
  • a radiant part may be a plate or an acoustic membrane.
  • An improvement in the acoustic intensity is noted by the vibration of one or more pairs of blades.
  • a better sound purity of the sound produced by the keyboard is produced, because only one clean mode of each pair of blades in vibration, propagates towards the radiant parts.
  • the invention also relates to a music box, which comprises the keyboard, and having the characteristics defined in the independent claim 10.
  • FIG. 1 it is represented in a simplified manner a three-dimensional view of a keyboard 1 for a music box, which can be in the form of a wristwatch.
  • the keyboard 1 is part of a musical module of a music box or possibly a mechanism for ringing a watch to generate music in specified periods.
  • the keyboard 1 comprises a set of pairs of blades 3, 3 '.
  • One end of each pair of blades is attached to the same heel 2, which can be fixed for example on a plate or a plate in the music box or in the case of a musical watch.
  • the blades are made of material with the heel 2 to form a single piece of the same material.
  • the material may be for example a metallic material, such as steel or copper, or a precious metal such as gold, or also a material of amorphous structure, such as metallic glass.
  • a free end of one of the blades 3, 3 'further comprises a member 4 in the form of a cam, which defines a ramp.
  • the ramp preferably defines an acute angle slope relative to the free end of the blade 3 '.
  • An activation member such as a pin, can come into contact with the ramp of the cam 4 so as to lift or bend the blade 3 ', during the displacement of said activation member in a plane parallel to the blade 3 'and in the direction of the free end of the blade. Once the activation member is moved past said cam 4, the blade 3 'is released to vibrate with propagation of the vibration to the other blade 3 as for a tuning fork.
  • the pairs of blades 3, 3 ' can be arranged parallel to one another.
  • the two blades 3, 3 'of each pair are preferably arranged at an equivalent distance from the two blades of an adjacent pair.
  • the blades of all the pairs are arranged in the same plane.
  • Each blade may be of a rectilinear shape with a rectangular or circular cross-section or the like, which may be identical over the entire length of the blade. However, the cross-section may also vary progressively or discontinuously along the length of each blade.
  • the length of the two blades of each pair may be preferably equivalent to define a tuning fork, but may also be of different size.
  • All the pairs of blades 3, 3 'of the keyboard 1 are dimensioned so as to generally produce a different note for each pair, when each pair is activated by a specific activation member of the musical module. However, it can also be expected to have certain groups of pairs of two blades, which are likely to produce the same particular note.
  • Each activation member in function as explained below with reference to Figures 2a to 2c , allows to vibrate one of the two blades of an activated pair.
  • the vibration of one of the activated blades 3 ' is propagates to the other blade 3 of the tuning fork pair by a longitudinal wave. This makes it possible to improve the acoustic intensity of each activated pair.
  • a better sound purity of the sound generated by the keyboard is obtained since a single mode of vibration of each pair of blades in vibration, propagates towards the radiant parts of the musical watch.
  • the Figures 2a to 2c represent different stages of the operation of the musical module provided with the keyboard according to the invention for the production of a music.
  • the musical module represented summarily comprises in addition to the keyboard 1, also a cylinder or disk 10 on which are distributed a number of pins 11 as an activation member.
  • the cylinder or disk 10 are arranged so as to rotate about an axis of rotation, in particular perpendicular to the arrangement of the blades of all pairs of blades 3, 3 '.
  • the pins 11 are distributed over the cylinder or disk 10 so as to produce a specific music when controlling the rotation of the cylinder or disk and the successive activation of different pairs of blades 3, 3 '.
  • the disk 10 which is arranged parallel to all the blades of the pairs of blades 3, 3 ', is rotated about an axis perpendicular to all the pairs of blades.
  • the disc comprises a plurality of pins 11 on one face of the disc facing blades 3, 3 ', and distributed for the production of a specific music.
  • One of the pins 11 near the cam-shaped element 4 points towards the free end of a blade 3 'of the pair of blades shown without yet being in contact with the ramp of the cam 4.
  • the pin 11 which was previously in contact with the cam 4 of the blade 3 ', is moved beyond said cam, which has the effect of releasing the blade 3', which starts to vibrate for the production of 'a definite note.
  • the vibration generated in the blade 3 ' also propagates to the other blade 3 of the tuning fork pair by a longitudinal wave.
  • the vibration of the pair of blades is advantageously transmitted to the display parts of the watch for good acoustic radiation of the sound produced.
  • the disk 10 or the cylinder can be mounted on the platen of the watch movement.
  • Several or more pin rolls 11 may also be provided, if multiple sets of blade pairs are attached from different side surfaces of the bead.
  • each blade of the pairs of blades may not be straight, but define at least one curve.
  • the blades of curvilinear shape can be arranged coaxially around a pin cylinder.
  • the blades of each pair can be removably attached to the heel to be able to change one or more pairs depending on the music to be produced.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Auxiliary Devices For Music (AREA)

Description

L'invention concerne un clavier pour une boîte à musique de petite taille, qui peut être sous la forme d'une montre-bracelet.The invention relates to a keyboard for a small music box, which can be in the form of a wristwatch.

L'invention concerne également une boîte à musique, qui comprend au moins un tel clavier notamment pour une montre-bracelet musicale.The invention also relates to a music box, which includes at least one such keyboard including a musical wristwatch.

De manière à équiper une boîte à musique sous la forme d'une montre, d'un module musical, il est nécessaire de réduire la taille de tous les composants du module musical tout en offrant une mélodie variée, un son de bonne qualité et de niveau acoustique élevé. Dans le document de brevet WO 2008/007161 , il est décrit justement un module musical pour un mouvement horloger d'une montre. Ce module musical comprend au moins un clavier. Ce clavier est composé de plusieurs lames métalliques disposées parallèlement l'une par rapport à l'autre dans un plan et reliées à un talon fixé à une platine de montre. Chaque lame est susceptible de produire un son d'une tonalité déterminée en fonction de sa longueur. Pour la production d'une musique, les lames sont activées par des goupilles d'un disque en rotation. Les goupilles réparties sur le disque en rotation permettent de soulever ou fléchir au moins certaines des lames et de les relâcher pour les faire vibrer, afin de générer une musique.In order to equip a music box in the form of a watch, of a musical module, it is necessary to reduce the size of all the components of the musical module while offering a varied melody, a sound of good quality and of high acoustic level. In the patent document WO 2008/007161 , it is precisely described a musical module for a watch movement of a watch. This music module includes at least one keyboard. This keyboard is composed of several metal blades arranged parallel to each other in a plane and connected to a heel fixed to a watch plate. Each blade is capable of producing a tone of a specific tone depending on its length. For the production of music, the blades are activated by pins of a rotating disk. The pins distributed on the rotating disk can lift or flex at least some of the blades and release them to vibrate, to generate music.

La publication US 2,880,639 A1 divulgue un clavier pour boîte à musique, ayant les lames doublées et arrangées côte à côte de sorte qu'il soit possible de moduler le volume de chaque notes en jouant une ou deux lames.The publication US 2,880,639 A1 discloses a keyboard for a music box, having the blades doubled and arranged side by side so that it is possible to modulate the volume of each note by playing one or two blades.

Le brevet US 6,268,554 B1 divulgue une boîte à musique comportant deux lames superposées et inclinées l'une par rapport à l'autre, chaque lame étant activée par un cylindre comportant des goupilles de manière à rendre possible l'exécution de duos.The patent US 6,268,554 B1 discloses a music box having two blades superimposed and inclined relative to each other, each blade being activated by a cylinder with pins so as to make possible the execution of duets.

Les performances acoustiques, telles que la durée de la vibration de la ou des lames activées, dépendent de plusieurs facteurs. Ces facteurs concernent la géométrie de chaque lame, telle que la hauteur et la longueur, les propriétés du matériau, telles que le module d'élasticité, la densité et l'amortissement interne, le traitement thermique ou le serrage ou fixation du clavier. En réduisant la taille des composants du module musical, qui comprend un tel clavier, la durée de vibration des lames activées peut devenir faible, car les frottements internes dans la montre deviennent grands par rapport à la masse effective du clavier. Même en réalisant au mieux un clavier d'un module musical en tenant compte des facteurs susmentionnés, il devient difficile d'optimiser la durée de vibration des lames activées du clavier d'une boîte à musique sous forme de montre, sans obtenir des effets non désirés.Acoustic performance, such as the duration of the vibration of the activated blade (s), depends on several factors. These factors concern the geometry of each blade, such as the height and length, the properties of the material, such as modulus of elasticity, density and internal damping, heat treatment or clamping or fixing the keyboard. By reducing the size of the module components musical, which includes such a keyboard, the vibration duration of the activated blades can become low because the internal friction in the watch becomes large compared to the effective mass of the keyboard. Even at best performing a keyboard of a musical module taking into account the aforementioned factors, it becomes difficult to optimize the vibration duration of activated blades of the keyboard of a music box in the form of a watch, without obtaining any effects. desired.

L'invention a donc pour but de fournir un clavier pour une boîte à musique, dont les lames sont configurées de telle manière à pallier aux inconvénients de l'état de la technique susmentionné.The invention therefore aims to provide a keyboard for a music box, whose blades are configured to overcome the disadvantages of the state of the art mentioned above.

A cet effet, l'invention concerne un clavier pour une boîte à musique, comprenant les caractéristiques, qui sont définies dans la revendication indépendante 1.To this end, the invention relates to a keyboard for a music box, comprising the characteristics, which are defined in the independent claim 1.

Des formes d'exécution particulières du clavier sont définies dans les revendications dépendantes 2 à 9.Particular embodiments of the keyboard are defined in dependent claims 2 to 9.

Un avantage du clavier d'une boîte à musique réside dans le fait que le clavier est composé d'un ensemble de paires de lames, où chaque paire de lames forme un diapason. Par l'activation d'une lame d'une paire de lames, une propagation de vibration intervient également pour l'autre lame de la paire grâce à une onde longitudinale. La vibration de la paire de lames peut être facilement guidée jusqu'à au moins une partie rayonnante de la boîte à musique, qui peut être sous forme de montre-bracelet. Une partie rayonnante peut être une plaque ou une membrane acoustique. Une amélioration de l'intensité acoustique est constatée par la vibration d'une ou plusieurs paires de lames. Une meilleure pureté sonore du son produit par le clavier est produite, car un seul mode propre de chaque paire de lames en vibration, se propage vers les parties rayonnantes.One advantage of the keyboard of a music box is that the keyboard is composed of a set of pairs of blades, where each pair of blades forms a tuning fork. By activating a blade of a pair of blades, vibration propagation also occurs for the other blade of the pair through a longitudinal wave. The vibration of the pair of blades can be easily guided to at least one radiant part of the music box, which can be in the form of a wristwatch. A radiant part may be a plate or an acoustic membrane. An improvement in the acoustic intensity is noted by the vibration of one or more pairs of blades. A better sound purity of the sound produced by the keyboard is produced, because only one clean mode of each pair of blades in vibration, propagates towards the radiant parts.

A cet effet, l'invention concerne également une boîte à musique, qui comprend le clavier, et ayant les caractéristiques définies dans la revendication indépendante 10.To this end, the invention also relates to a music box, which comprises the keyboard, and having the characteristics defined in the independent claim 10.

Des formes particulières d'exécution de la boîte à musique, notamment sous la forme de montre, sont définies dans les revendications dépendantes 11 à 13.Particular embodiments of the music box, particularly in the form of a watch, are defined in the dependent claims 11 to 13.

Les buts, avantages et caractéristiques du clavier d'une boîte à musique, et de la boîte à musique le comprenant apparaîtront mieux dans la description suivante notamment en regard des dessins sur lesquels :

  • la figure 1 représente de manière simplifiée une vue tridimensionnelle d'un clavier d'une boîte à musique selon l'invention, et
  • les figures 2a à 2c représentent de manière simplifiée différentes étapes de fonctionnement du module musical de la boîte à musique pour l'activation d'une ou plusieurs lames du clavier selon l'invention.
The purposes, advantages and characteristics of the keyboard of a music box, and of the music box comprising it will appear better in the following description especially with reference to the drawings in which:
  • the figure 1 represents in a simplified manner a three-dimensional view of a keyboard of a music box according to the invention, and
  • the Figures 2a to 2c show in a simplified manner different stages of operation of the musical module of the music box for the activation of one or more keyboard blades according to the invention.

Dans la description suivante, toutes les parties bien connues du module musical de la boîte à musique, qui comprend le clavier selon l'invention, ne seront décrites que sommairement. L'accent est principalement mis sur l'agencement des lames du clavier de la boîte à musique.In the following description, all the well-known parts of the musical module of the music box, which comprises the keyboard according to the invention, will be described only briefly. The main focus is on the layout of the keyboard blades of the music box.

A la figure 1, il est représenté de manière simplifiée une vue tridimensionnelle d'un clavier 1 pour une boîte à musique, qui peut être sous forme d'une montre-bracelet. Le clavier 1 fait partie d'un module musical d'une boîte à musique ou éventuellement d'un mécanisme de sonnerie d'une montre pour générer une musique en des périodes déterminées.To the figure 1 , it is represented in a simplified manner a three-dimensional view of a keyboard 1 for a music box, which can be in the form of a wristwatch. The keyboard 1 is part of a musical module of a music box or possibly a mechanism for ringing a watch to generate music in specified periods.

Le clavier 1 comprend un ensemble de paires de lames 3, 3'. Une extrémité de chaque paire de lames est fixée à un même talon 2, qui peut être fixé par exemple sur une plaque ou une platine dans la boîte à musique ou dans le boîtier d'une montre musicale. De préférence, les lames viennent de matière avec le talon 2 pour former une seule pièce d'un même matériau. Le matériau peut être par exemple un matériau métallique, tel que de l'acier ou du cuivre, ou un métal précieux comme l'or, ou également un matériau de structure amorphe, tel que du verre métallique.The keyboard 1 comprises a set of pairs of blades 3, 3 '. One end of each pair of blades is attached to the same heel 2, which can be fixed for example on a plate or a plate in the music box or in the case of a musical watch. Preferably, the blades are made of material with the heel 2 to form a single piece of the same material. The material may be for example a metallic material, such as steel or copper, or a precious metal such as gold, or also a material of amorphous structure, such as metallic glass.

Une extrémité libre d'une des lames 3, 3' comprend encore un élément 4 sous forme de came, qui définit une rampe. La rampe définit de préférence une pente d'angle aigu par rapport à l'extrémité libre de la lame 3'. Un organe d'activation, tel qu'une goupille, peut venir en contact de la rampe de la came 4 de manière à soulever ou fléchir la lame 3', lors du déplacement dudit organe d'activation dans un plan parallèle à la lame 3' et dans la direction de l'extrémité libre de la lame. Une fois que l'organe d'activation est déplacé au-delà de ladite came 4, la lame 3' est relâchée pour la mettre en vibration avec une propagation de la vibration à l'autre lame 3 comme pour un diapason.A free end of one of the blades 3, 3 'further comprises a member 4 in the form of a cam, which defines a ramp. The ramp preferably defines an acute angle slope relative to the free end of the blade 3 '. An activation member, such as a pin, can come into contact with the ramp of the cam 4 so as to lift or bend the blade 3 ', during the displacement of said activation member in a plane parallel to the blade 3 'and in the direction of the free end of the blade. Once the activation member is moved past said cam 4, the blade 3 'is released to vibrate with propagation of the vibration to the other blade 3 as for a tuning fork.

Les paires de lames 3, 3' peuvent être disposées parallèlement l'une par rapport à l'autre. Les deux lames 3, 3' de chaque paire sont disposées de préférence à une distance équivalente des deux lames d'une paire adjacente. Cependant, il peut aussi être imaginé que les lames de toutes les paires sont disposées dans un même plan.The pairs of blades 3, 3 'can be arranged parallel to one another. The two blades 3, 3 'of each pair are preferably arranged at an equivalent distance from the two blades of an adjacent pair. However, it can also be imagined that the blades of all the pairs are arranged in the same plane.

Chaque lame peut être d'une forme rectiligne avec une section transversale rectangulaire ou circulaire ou autre, qui peut être identique sur toute la longueur de la lame. Cependant la section transversale peut également varier progressivement ou de manière discontinue le long de la longueur de chaque lame. La longueur des deux lames de chaque paire peut être de préférence équivalente pour définir un diapason, mais peut aussi être de dimension différente.Each blade may be of a rectilinear shape with a rectangular or circular cross-section or the like, which may be identical over the entire length of the blade. However, the cross-section may also vary progressively or discontinuously along the length of each blade. The length of the two blades of each pair may be preferably equivalent to define a tuning fork, but may also be of different size.

Toutes les paires de lames 3, 3' du clavier 1 sont dimensionnées de manière à produire généralement une note différente pour chaque paire, lorsque chaque paire est activée par un organe d'activation spécifique du module musical. Cependant il peut être prévu également d'avoir certains groupes de paires de deux lames, qui sont susceptibles de produire une même note particulière.All the pairs of blades 3, 3 'of the keyboard 1 are dimensioned so as to generally produce a different note for each pair, when each pair is activated by a specific activation member of the musical module. However, it can also be expected to have certain groups of pairs of two blades, which are likely to produce the same particular note.

Chaque organe d'activation en fonction comme expliqué ci-après en référence aux figures 2a à 2c, permet de mettre en vibration une des deux lames d'une paire activée. La vibration d'une des lames activées 3' se propage à l'autre lame 3 de la paire formant diapason par une onde longitudinale. Ceci permet d'améliorer l'intensité acoustique de chaque paire activée. De plus, une meilleure pureté sonore du son généré par le clavier est obtenue étant donné qu'un seul mode propre de vibration de chaque paire de lames en vibration, se propage vers des parties rayonnantes de la montre musicale.Each activation member in function as explained below with reference to Figures 2a to 2c , allows to vibrate one of the two blades of an activated pair. The vibration of one of the activated blades 3 'is propagates to the other blade 3 of the tuning fork pair by a longitudinal wave. This makes it possible to improve the acoustic intensity of each activated pair. In addition, a better sound purity of the sound generated by the keyboard is obtained since a single mode of vibration of each pair of blades in vibration, propagates towards the radiant parts of the musical watch.

Les figures 2a à 2c représentent différentes étapes du fonctionnement du module musical muni du clavier selon l'invention pour la production d'une musique. Le module musical représenté sommairement comprend en plus du clavier 1, également un cylindre ou un disque 10 sur lequel sont répartis un certain nombre de goupilles 11 en tant qu'organe d'activation. Le cylindre ou le disque 10 sont disposés de telle manière à tourner autour d'un axe de rotation notamment perpendiculaire à l'agencement des lames de toutes les paires de lames 3, 3'. Les goupilles 11 sont réparties sur le cylindre ou le disque 10 de manière à produire une musique spécifique lors d'une commande de rotation du cylindre ou du disque et de l'activation successive de différentes paires de lames 3, 3'.The Figures 2a to 2c represent different stages of the operation of the musical module provided with the keyboard according to the invention for the production of a music. The musical module represented summarily comprises in addition to the keyboard 1, also a cylinder or disk 10 on which are distributed a number of pins 11 as an activation member. The cylinder or disk 10 are arranged so as to rotate about an axis of rotation, in particular perpendicular to the arrangement of the blades of all pairs of blades 3, 3 '. The pins 11 are distributed over the cylinder or disk 10 so as to produce a specific music when controlling the rotation of the cylinder or disk and the successive activation of different pairs of blades 3, 3 '.

A la figure 2a, le disque 10, qui est disposé parallèle à toutes les lames des paires de lames 3, 3', est mis en rotation autour d'un axe perpendiculaire à l'ensemble des paires de lames. Le disque comprend plusieurs goupilles 11 sur une face du disque en regard des lames 3, 3', et réparties pour la production d'une musique spécifique. Une des goupilles 11 à proximité de l'élément en forme de came 4 se dirige en direction de l'extrémité libre d'une lame 3' de la paire de lames représentée sans être encore en contact avec la rampe de la came 4.To the figure 2a the disk 10, which is arranged parallel to all the blades of the pairs of blades 3, 3 ', is rotated about an axis perpendicular to all the pairs of blades. The disc comprises a plurality of pins 11 on one face of the disc facing blades 3, 3 ', and distributed for the production of a specific music. One of the pins 11 near the cam-shaped element 4 points towards the free end of a blade 3 'of the pair of blades shown without yet being in contact with the ramp of the cam 4.

A la figure 2b, une des goupilles 11 du disque vient en contact avec la came 4 de la lame 3'. Cela a pour effet de soulever ou fléchir la lame 3' lors du déplacement de la goupille sur la rampe de la came 4 en direction de l'extrémité libre de la lame 3'. La hauteur de la came et de la goupille, ainsi que l'espace entre la goupille et la lame, définissent la flexion maximum possible de la lame 3' engendrée par le déplacement de la goupille en contact de la came 4. En fonction de la valeur de la flexion souhaitée, il peut être envisagé par exemple de plus ou moins éloigner le disque des paires de lames.To the figure 2b one of the pins 11 of the disc comes into contact with the cam 4 of the blade 3 '. This has the effect of lifting or bending the blade 3 'when moving the pin on the ramp of the cam 4 towards the free end of the blade 3'. The height of the cam and the pin, as well as the space between the pin and the blade, define the flexion maximum possible blade 3 'generated by the displacement of the pin in contact with the cam 4. Depending on the value of the desired bending, it may be considered for example more or less distance the disc pairs of blades.

A la figure 2c, la goupille 11, qui était en contact auparavant avec la came 4 de la lame 3', est déplacée au-delà de ladite came, ce qui a pour effet de relâcher la lame 3', qui se met à vibrer pour la production d'une note déterminée. La vibration générée dans la lame 3' se propage également à l'autre lame 3 de la paire formant diapason par une onde longitudinale. Ainsi, une pureté sonore est produite de la note générée par la vibration de la paire de lames avec un seul mode propre de vibration. La vibration de la paire de lames est avantageusement transmise à des pièces d'habillage de la montre pour un bon rayonnement acoustique du son produit.To the Figure 2c the pin 11, which was previously in contact with the cam 4 of the blade 3 ', is moved beyond said cam, which has the effect of releasing the blade 3', which starts to vibrate for the production of 'a definite note. The vibration generated in the blade 3 'also propagates to the other blade 3 of the tuning fork pair by a longitudinal wave. Thus, a sound purity is produced from the note generated by the vibration of the pair of blades with a single mode of vibration. The vibration of the pair of blades is advantageously transmitted to the display parts of the watch for good acoustic radiation of the sound produced.

Le disque 10 ou le cylindre peuvent être montés sur la platine du mouvement de montre. Plusieurs disques ou plusieurs cylindres à goupilles 11 peuvent également être prévus, si plusieurs ensembles de paires de lames sont fixés depuis différentes surfaces latérales du talon.The disk 10 or the cylinder can be mounted on the platen of the watch movement. Several or more pin rolls 11 may also be provided, if multiple sets of blade pairs are attached from different side surfaces of the bead.

A partir de la description qui vient d'être faite, plusieurs variantes du clavier ou de la boîte de montre le comprenant peuvent être conçues par l'homme du métier sans sortir du cadre de l'invention définie par les revendications. La forme de chaque lame des paires de lames peut ne pas être rectiligne, mais définir au moins une courbe. Les lames de forme curviligne peuvent être disposées de manière coaxiale autour d'un cylindre à goupilles. Les lames de chaque paire peuvent être fixées de manière amovibles au talon pour pouvoir changer une ou plusieurs paires en fonction de la musique à produire.From the description that has just been made, several variants of the keyboard or the watch case comprising it may be designed by those skilled in the art without departing from the scope of the invention defined by the claims. The shape of each blade of the pairs of blades may not be straight, but define at least one curve. The blades of curvilinear shape can be arranged coaxially around a pin cylinder. The blades of each pair can be removably attached to the heel to be able to change one or more pairs depending on the music to be produced.

Claims (13)

  1. Pin-barrel (1) for a musical box, characterized in that the pin-barrel is formed of a set of pairs of strips (3, 3'), one of the ends of which being connected to a heel (2), each pair of strips forming a tuning fork, wherein a first strip (3') of the pair can be set in vibration by an activation member (11), which is arranged underneath the first strip, of a musical module wherein the vibration is propagated to a second strip (3) of the pair by a longitudinal wave, said second strip (3) being arranged above the first strip (3').
  2. Pin-barrel (1) according to claim 1, characterized in that all of the pairs of strips (3, 3') are arranged parallel to each other.
  3. Pin-barrel (1) according to claim 2, characterized in that the strips (3, 3') of each pair are arranged at the same distance from the strips (3, 3') of an adjacent pair.
  4. Pin-barrel (1) according to any of the preceding claims, characterized in that each pair of strips (3, 3') is integral with the heel (2) so as to form a single part.
  5. Pin-barrel (1) according to any of the preceding claims, characterized in that a cam-shaped element (4) is arranged in proximity to the free end of the first strip (3') of each pair to allow one of several activation members (11), depending upon the musical module, to abut against the cam to raise or bend and then release the strip to set said strip in vibration.
  6. Pin-barrel (1) according to any of the preceding claims, characterized in that the strips (3, 3') of each pair are rectilinear.
  7. Pin-barrel (1) according to any of the preceding claims, characterized in that the length of the strips (3, 3') of each pair is identical, but different from one pair to another.
  8. Pin-barrel (1) according to any of the preceding claims, characterized in that the transverse section of each strip is identical over the entire length thereof.
  9. Pin-barrel (1) according to any of claims 1 to 7, characterized in that the transverse section of each strip (3, 3') varies gradually or discontinuously along the length of each strip.
  10. Musical box including a musical module provided with at least one pin-barrel (1) according to any of the preceding claims and a set of activation members (11) for activating the pairs of strips (3, 3') to produce a musical sound.
  11. Musical box according to claim 10, characterized in that it is made in the form of a musical watch.
  12. Musical box according to any of claims 10 and 11, characterized in that the set of activation members is a disc (10), on one surface of which opposite the pairs of strips of the pin-barrel (1), there are pins (11) distributed in a specific manner according to the music to be produced by the rotation of the disc and the sequential activation of certain strips of the pairs of strips (3, 3') via the movement of the pins.
  13. Musical box according to any of claims 10 and 11, characterized in that the set of activation members is a cylinder, on the external surface of which there are pins (11) distributed in a specific manner according to the music to be produced by the rotation of the cylinder and the sequential activation of certain strips of the pairs of strips (3, 3') by the movement of the pins.
EP11152556.4A 2011-01-28 2011-01-28 Keyboard for musical box and musical box including said keyboard Active EP2482275B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP11152556.4A EP2482275B1 (en) 2011-01-28 2011-01-28 Keyboard for musical box and musical box including said keyboard
CH00147/11A CH704425A2 (en) 2011-01-28 2011-01-28 Keypad for e.g. musical wrist watch to generate music at specific periods, has rectilinear strips vibrated by pin of music module to propagate vibration to other strip by longitudinal wave
US13/333,360 US8598442B2 (en) 2011-01-28 2011-12-21 Pin-barrel for a musical box and musical box comprising the same
JP2012006529A JP5972579B2 (en) 2011-01-28 2012-01-16 Pin barrel for musical box and musical box with this pin barrel
CN201210018057.5A CN102622998B (en) 2011-01-28 2012-01-19 Pin-barrel for a musical box and musical box comprising the same
HK13101303.5A HK1174430A1 (en) 2011-01-28 2013-01-30 Pin-barrel for a musical box and musical box comprising the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11152556.4A EP2482275B1 (en) 2011-01-28 2011-01-28 Keyboard for musical box and musical box including said keyboard

Publications (2)

Publication Number Publication Date
EP2482275A1 EP2482275A1 (en) 2012-08-01
EP2482275B1 true EP2482275B1 (en) 2014-03-12

Family

ID=44064662

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11152556.4A Active EP2482275B1 (en) 2011-01-28 2011-01-28 Keyboard for musical box and musical box including said keyboard

Country Status (6)

Country Link
US (1) US8598442B2 (en)
EP (1) EP2482275B1 (en)
JP (1) JP5972579B2 (en)
CN (1) CN102622998B (en)
CH (1) CH704425A2 (en)
HK (1) HK1174430A1 (en)

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US9733620B2 (en) 2013-12-09 2017-08-15 Montres Breguet Sa Striking mechanism for a watch or music box with a vibration plate having optimised actuation energy

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US9012749B2 (en) * 2013-01-22 2015-04-21 Brother Kogyo Kabushiki Kaisha Music box
JP5772840B2 (en) * 2013-01-22 2015-09-02 ブラザー工業株式会社 Music box
JP5803947B2 (en) * 2013-01-22 2015-11-04 ブラザー工業株式会社 Music box
CH708167A2 (en) * 2013-06-14 2014-12-15 Montres Breguet Sa A method of adjusting the range of frequencies of vibration of a device for producing vibrating reeds sounds.
JP6275964B2 (en) * 2013-06-28 2018-02-07 日本電産サンキョー株式会社 Music box
CH709596A2 (en) * 2014-05-06 2015-11-13 François Junod music box with visual animation.
CH710457A1 (en) * 2014-12-10 2016-06-15 Van Cleef & Arpels SA musical shows.
JP7063449B2 (en) * 2017-10-31 2022-05-09 株式会社小泉製作所 Pronunciation body
EP3540527B1 (en) * 2018-03-16 2022-01-26 Montres Breguet S.A. Musical keyboard for a chiming mechanism of a timepiece
EP3657267A1 (en) * 2018-11-22 2020-05-27 Blancpain SA Resonant member for a chiming mechanism of a watch or a music box
EP3657268A1 (en) 2018-11-22 2020-05-27 Blancpain SA Resonant member for a chiming mechanism of a watch or a music box
EP3657269A1 (en) * 2018-11-22 2020-05-27 Blancpain SA Resonant member for a chiming mechanism of a watch or a music box

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US9733620B2 (en) 2013-12-09 2017-08-15 Montres Breguet Sa Striking mechanism for a watch or music box with a vibration plate having optimised actuation energy

Also Published As

Publication number Publication date
CN102622998B (en) 2014-09-10
CN102622998A (en) 2012-08-01
HK1174430A1 (en) 2013-06-07
EP2482275A1 (en) 2012-08-01
US8598442B2 (en) 2013-12-03
US20120192697A1 (en) 2012-08-02
CH704425A2 (en) 2012-07-31
JP5972579B2 (en) 2016-08-17
JP2012159501A (en) 2012-08-23

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