EP2814024B1 - Method for adjusting the range of vibration frequencies of a reed sound-producing device - Google Patents

Method for adjusting the range of vibration frequencies of a reed sound-producing device Download PDF

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Publication number
EP2814024B1
EP2814024B1 EP13172119.3A EP13172119A EP2814024B1 EP 2814024 B1 EP2814024 B1 EP 2814024B1 EP 13172119 A EP13172119 A EP 13172119A EP 2814024 B1 EP2814024 B1 EP 2814024B1
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Prior art keywords
support
jaw
tongues
vibrating
frequency range
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EP13172119.3A
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German (de)
French (fr)
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EP2814024A1 (en
Inventor
René Piguet
Benoît Junod
Polychronis Karapatis
Sylvain Maréchal
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Montres Breguet SA
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Montres Breguet SA
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS
    • G10H3/00Instruments in which the tones are generated by electromechanical means
    • G10H3/12Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10FAUTOMATIC MUSICAL INSTRUMENTS
    • G10F1/00Automatic musical instruments
    • G10F1/06Musical boxes with plucked teeth, blades, or the like

Description

  • L'invention se rapporte à un procédé de réglage de la gamme de fréquences de vibration d'un dispositif de production de sons à une ou plusieurs lames vibrantes.The invention relates to a method for adjusting the vibration frequency range of a sound producing device with one or more vibrating blades.
  • La première boîte à musique, réalisée en 1796 par Antoine Fabre, est composée d'un cylindre garni de pointes et d'un ensemble de lames défini comme un clavier musical. Lors de la rotation du cylindre, les pointes sur le cylindre sont agencées au passage pour soulever, puis relâcher dans un ordre bien défini, les lames en acier du clavier, qui sont parfaitement accordées, pour reproduire un air de musique. Ces lames, en retombant, vibrent et ainsi produisent chacune, indirectement, un son d'une mélodie à reproduire.The first music box, made in 1796 by Antoine Fabre, is composed of a cylinder lined with spikes and a set of blades defined as a musical keyboard. During the rotation of the cylinder, the points on the cylinder are arranged in the passageway to lift, then release in a well-defined order, the steel blades of the keyboard, which are perfectly tuned, to reproduce an air of music. These blades, falling back, vibrate and thus each produce, indirectly, a sound of a melody to reproduce.
  • Une telle boîte à musique avec le dispositif susmentionné de production de sons peut être intégrée dans des boîtes à bijoux ou dans des jouets ou également dans des montres.Such a music box with the above-mentioned sound producing device can be integrated into jewelry boxes or into toys or also into watches.
  • On peut citer à ce titre le brevet US 2,755,697 , qui décrit une lame portée par un talon, qui est pincée entre une pièce support et une bride.We can cite in this respect the patent US 2,755,697 , which describes a blade carried by a heel, which is pinched between a support piece and a flange.
  • Pour ajuster la fréquence sonore produite par la lame, on ajoute une masse sur ladite lame. Cette masse est mobile et en fonction de la position de ladite masse le long de ladite lame, on modifie la fréquence et donc le son produit.To adjust the sound frequency produced by the blade, a mass is added to said blade. This mass is mobile and depending on the position of said mass along said blade, the frequency and therefore the sound produced.
  • Dans le brevet US 3,013,460 , il est décrit un ensemble de lames reliées par un talon commun. Le talon est immobilisé sur un support, où il est en appui et maintenu par une bride à l'aide de vis traversant la bride et le talon. Pour accorder les lames, au lieu d'ajouter une masse, les lames sont usinées de manière à retirer de la matière.In the patent US 3,013,460 it is described a set of blades connected by a common heel. The heel is immobilized on a support, where it is supported and held by a flange with screws through the flange and the heel. To tune the blades, instead of adding a mass, the blades are machined to remove material.
  • Pour fixer cet ensemble de lames de longueurs différentes sur un support ou un socle, usuellement on utilise donc une bride, qui s'applique sur le talon et qui est maintenue en place par des vis, dont les tiges traversent des perçages dans la bride et le talon et coopèrent chacune avec un puits taraudé, que présente le support. La bride ne s'appuie que sur le talon et les perçages sont réalisés au diamètre des tiges de vis au jeu de fonctionnement près.To fix this set of blades of different lengths on a support or a base, usually a flange is then used, which is applied on the heel and which is held in place by screws, whose rods pass through holes in the flange and the heel and cooperate each with a threaded well, that presents the support. The flange is only supported on the heel and the holes are made to the diameter of the screw rods to the operating clearance.
  • En principe les longueurs des lames ont été calculées pour produire chacune une fréquence déterminée d'un son et il n'y a pas lieu d'agir dans le sens d'un réglage. Cependant comme indiqué ci-devant, il est possible d'ajuster la fréquence de vibration de chaque lame en ajoutant une masse sur la lame dans le brevet US 2,755,697 ou en retirant de la matière dans le brevet US 3,013,460 . Il s'agit dans ce cas d'un réglage fin.In principle the lengths of the blades have been calculated to produce each a given frequency of a sound and there is no need to act in the direction of a setting. However, as indicated above, it is possible to adjust the vibration frequency of each blade by adding a mass to the blade in the patent. US 2,755,697 or by removing material from the patent US 3,013,460 . In this case it is a fine adjustment.
  • La solution avec la masse coulissante rapportée du brevet US 2,755,697 est difficile à mettre en oeuvre dans le cas d'un dispositif à incorporer dans une montre en raison de la miniaturisation nécessaire. En outre, il est peu fiable, car la masse est difficile à fixer sur la lame étant donné que les vibrations ont tendance à desserrer la vis de maintien de la masse.The solution with the sliding mass reported from the patent US 2,755,697 is difficult to implement in the case of a device to be incorporated in a watch because of the necessary miniaturization. In addition, it is unreliable because the mass is difficult to fix on the blade as the vibrations tend to loosen the mass holding screw.
  • La solution définie dans le brevet US 3,013,460 est plus fiable, mais cela nécessite de renvoyer le clavier dans une opération d'usinage.The solution defined in the patent US 3,013,460 is more reliable, but it requires returning the keyboard in a machining operation.
  • Au-delà des réglages fins, lorsqu'on veut travailler avec une autre bande de fréquences, un autre clavier doit être fabriqué avec des longueurs de lames différentes. Il faut donc produire à chaque fois un clavier avec ses propres longueurs de lames, ce qui constitue un inconvénient.Beyond fine tuning, when you want to work with another frequency band, another keyboard must be made with different blade lengths. It is therefore necessary to produce each time a keyboard with its own lengths of blades, which is a drawback.
  • L'invention se propose d'apporter une solution aux inconvénients susmentionnés de l'état de la technique.The invention proposes to provide a solution to the aforementioned drawbacks of the state of the art.
  • A cet effet l'invention se rapporte à un procédé de réglage de la gamme de fréquences de vibration d'un dispositif de production de sons à une ou plusieurs lames vibrantes, le dispositif comprenant un ensemble composé d'un talon prolongé d'au moins une lame vibrante, lequel talon présente au moins une lumière pour sa fixation sur un support au moyen d'une mâchoire d'appui et d'un élément de serrage traversant la mâchoire d'appui et la lumière du talon précitée, ce procédé étant caractérisé en ce qu'on règle la gamme de fréquences en réduisant la longueur libre de la lame ou des lames vibrantes par pincement localisé de la lame ou des lames entre la mâchoire d'appui et un contre-appui local.To this end, the invention relates to a method for adjusting the vibration frequency range of a sound generating device with one or more vibrating blades, the device comprising a set composed of a prolonged heel of at least a vibrating blade, which heel has at least one light for fixing it to a support by means of a support jaw and a clamping element passing through the support jaw and the aforementioned bead lumen, this method being characterized in that the frequency range is adjusted by reducing the free length of the blade or vibrating blades by local pinching of the blade or blades between the support jaw and a local counter-support.
  • A cet effet l'invention concerne également des moyens pour la mise en oeuvre du procédé de réglage, les moyens comprenant un dispositif de production de sons à une ou plusieurs lames vibrantes, qui comprend un ensemble composé d'un talon prolongé d'au moins une lame vibrante, lequel talon présente au moins une lumière pour sa fixation sur un support au moyen d'une mâchoire d'appui et d'un élément de serrage traversant la mâchoire d'appui et la lumière du talon précitée, ces moyens étant caractérisés en ce qu'ils comprennent des moyens pour réduire la longueur libre de la lame ou des lames vibrantes par pincement localisé de la lame ou des lames entre la mâchoire d'appui et un contre-appui local.For this purpose the invention also relates to means for implementing the adjustment method, the means comprising a device for producing sounds with one or more vibrating blades, which comprises a set composed of a prolonged heel of at least a vibrating blade, which heel has at least one lumen for attachment to a support by means of a support jaw and a clamping element passing through the support jaw and the aforementioned bead lumen, these means being characterized in that they comprise means for reducing the free length of the blade or vibrating blades by localized pinching of the blade or blades between the support jaw and a local abutment.
  • Un avantage du dispositif de production de sons muni de moyens de réglage de la gamme de fréquences du clavier musical réside dans le fait qu'un réglage de la longueur générale de la lame ou des lames vibrantes peut être facilement effectué sans devoir changer de clavier. Cela permet d'adapter par l'intermédiaire d'au moins une mâchoire fixée sur un support et d'un contre-appui la gamme de fréquences en pinçant localement une partie d'extrémité de la lame ou des lames, lors de la fixation du talon du clavier sur le support du dispositif. Ainsi il peut être facilement réaliser un clavier standard tout en permettant l'adaptation des sons générés par les lames du clavier pour un montage par exemple dans une montre.An advantage of the sound producing device provided with means for adjusting the frequency range of the musical keyboard is that adjustment of the overall length of the blade or vibrating blades can be easily performed without having to change the keyboard. This makes it possible to adapt the frequency range by means of at least one jaw fixed on a support and a counter-support by locally pinching an end portion of the blade or blades, during the fixing of the heel of the keyboard on the device support. Thus it can be easily realize a standard keyboard while allowing the adaptation of the sounds generated by the keyboard blades for mounting, for example in a watch.
  • Avantageusement, ces moyens de réglage du dispositif de production de sons sont également prévus pour assurer une meilleure fixation du clavier avec des appuis en-dessus et en-dessous au niveau du talon et au niveau d'une partie d'extrémité des lames. Ainsi une meilleure transmission sonore est réalisée aux composants rayonnants de la montre.Advantageously, these adjustment means of the sound production device are also provided to ensure better attachment of the keyboard with supports above and below the heel and at an end portion of the blades. Thus a better sound transmission is achieved to the radiating components of the watch.
  • L'invention sera bien comprise à l'aide de la description ci-après faite à titre d'exemple de manière non limitative en regard des dessins sur lesquels :
    • La figure 1 représente une vue en perspective d'une première forme d'exécution du dispositif de production de sons muni de moyens de réglage de la gamme de fréquences du clavier musical selon l'invention,
    • la figure 2 représente une coupe longitudinale du dispositif de production de sons de la figure 1,
    • la figure 3 représente une vue en perspective d'une seconde forme d'exécution du dispositif de production de sons muni de moyens de réglage de la gamme de fréquences du clavier musical selon l'invention,
    • la figure 4 représente une coupe longitudinale du dispositif de production de sons de la figure 3,
    • la figure 5 représente une vue en perspective d'une troisième forme d'exécution du dispositif de production de sons muni de moyens de réglage de la gamme de fréquences du clavier musical selon l'invention,
    • la figure 6 représente une coupe longitudinale du dispositif de production de sons de la figure 5,
    • la figure 7 représente une vue en perspective d'une quatrième forme d'exécution du dispositif de production de sons muni de moyens de réglage de la gamme de fréquences du clavier selon l'invention, et
    • la figure 8 représente une coupe longitudinale du dispositif de production de sons de la figure 7.
    The invention will be better understood from the following description given by way of example in a nonlimiting manner with reference to the drawings in which:
    • The figure 1 represents a perspective view of a first embodiment of the sound production device provided with means for adjusting the frequency range of the musical keyboard according to the invention,
    • the figure 2 represents a longitudinal section of the sound production device of the figure 1 ,
    • the figure 3 represents a perspective view of a second embodiment of the sound production device provided with means for adjusting the frequency range of the musical keyboard according to the invention,
    • the figure 4 represents a longitudinal section of the sound production device of the figure 3 ,
    • the figure 5 represents a perspective view of a third embodiment of the sound production device provided with means for adjusting the frequency range of the musical keyboard according to the invention,
    • the figure 6 represents a longitudinal section of the sound production device of the figure 5 ,
    • the figure 7 represents a perspective view of a fourth embodiment of the sound production device provided with means for adjusting the frequency range of the keyboard according to the invention, and
    • the figure 8 represents a longitudinal section of the sound production device of the figure 7 .
  • En se reportant aux figures présentées, on voit un dispositif 1 à lames vibrantes pour produire de la musique comprenant un ensemble 2 de lames vibrantes 2C de longueurs différentes pour produire une gamme de sons. Les lames vibrantes 2C sont toutes reliées à une de leurs extrémités à un talon 2A pour former une structure sous forme de peigne. Cet ensemble de lames est encore appelé clavier, dont les lames et le talon sont réalisés dans une même pièce de matériau. Il est cependant envisageable de réaliser une seule lame reliée à une de ses extrémités à un talon de fixation.Referring to the figures presented, there is shown a device 1 with vibrating blades for producing music comprising a set 2 of vibrating blades 2C of different lengths to produce a range of sounds. The vibrating blades 2C are all connected at one of their ends to a heel 2A to form a structure in the form of a comb. This set of blades is still called keyboard, whose blades and the heel are made in the same piece of material. However, it is conceivable to make a single blade connected at one of its ends to a fixing heel.
  • Un moyen (non représenté) permet de déplacer et de relâcher de manière programmée les extrémités libres des lames pour produire une mélodie. Ce moyen peut être un tambour ou un disque entraîné en rotation par un mécanisme à ressort. Le tambour ou le disque porte des ergots en saillie sur la surface cylindrique du tambour ou sur une des faces du disque. Au passage de l'ergot en bout de lame, l'extrémité de la lame sous forme de came est déplacée ou se soulève pour être ensuite relâchée brusquement, ce qui engendre des vibrations de chaque lame activée.A means (not shown) for programmatically moving and releasing the free ends of the blades to produce a melody. This means may be a drum or a disc rotated by a spring mechanism. The drum or disc has lugs protruding from the cylindrical surface of the drum or on one side of the disc. At the passage of the lug at the end of the blade, the end of the blade in the form of a cam is moved or lifted and then released suddenly, which generates vibrations of each activated blade.
  • Le talon 2A reliant une des extrémités des lames 2C est pourvu d'une lumière 2B pour être maintenu en appui sur un support 3 ou une semelle par une mâchoire d'appui 4. De préférence, le talon 2A comprend au moins deux lumières 2B pour sa fixation sur le support 3. Cette mâchoire 4 s'appuie sur le talon et est fixée par au moins un élément 5 de serrage traversant la mâchoire 4 et une des lumières 2B du talon 2A. De préférence, au moins deux éléments de serrage 5 passant respectivement par les deux lumières 2B du talon sont prévus pour fixer le talon sur le support en étant pincé entre une partie de la mâchoire 4 et une surface du support 3. Les éléments de serrage 5 peuvent être avantageusement des vis avec la tête de vis en appui contre une surface supérieure de la mâchoire 4 et dont la tige passe par une ouverture correspondante de la mâchoire avant d'être vissée dans un taraudage du support 3. Plus chaque vis de serrage est vissée dans le taraudage du support et plus le pincement d'une partie d'extrémité des lames 2C du clavier est important pour assurer un meilleur maintien.The heel 2A connecting one end of the blades 2C is provided with a light 2B to be held in abutment on a support 3 or a sole by a support jaw 4. Preferably, the heel 2A comprises at least two lights 2B for its fixing on the support 3. This jaw 4 rests on the heel and is fixed by at least one clamping element 5 passing through the jaw 4 and one of the lights 2B of the heel 2A. Preferably, at least two clamping elements 5 passing respectively through the two bead holes 2B are provided for fixing the bead on the support being gripped between a portion of the jaw 4 and a surface of the support 3. The clamping elements 5 may advantageously be screws with the screw head bearing against an upper surface of the jaw 4 and whose rod passes through a corresponding opening of the jaw before being screwed into a tapping of the support 3. More each clamping screw is screwed into the tapping of the bracket and more pinching of an end portion of the 2C blades of the keyboard is important to ensure a better hold.
  • La mâchoire d'appui 4 est constituée par une plaque épaisse rigide formant bride, qui vient couvrir le talon et une partie d'extrémité des lames reliées au talon. Par la fixation de la mâchoire 4 sur le support en prenant en sandwich le talon et une partie d'extrémité des lames, il est possible d'adapter la longueur active des lames, ce qui est un des paramètres de la vibration de chaque lame du clavier.The support jaw 4 is constituted by a rigid thick plate forming a flange, which covers the heel and an end portion of the blades connected to the heel. By fixing the jaw 4 on the support by sandwiching the heel and an end portion of the blades, it is possible to adapt the active length of the blades, which is one of the parameters of the vibration of each blade of the blade. keyboard.
  • Pour ce faire de manière avantageuse, il est possible de régler la gamme de fréquences en réduisant la longueur libre de la lame ou des lames vibrantes 2C par pincement localisé de ladite lame entre la mâchoire d'appui 4 et un contre-appui 7 local comme représenté à la figure 2. Le pincement sur une partie d'extrémité des lames 2C entre la mâchoire d'appui 4 et le contre-appui 7 du support 3 peut être considéré comme si le talon de fixation du clavier est augmenté. Entre le pincement à ces premiers points d'appui de la figure 2 et de seconds points d'appui en position plus reculée du talon, la ou les lames ne vont plus vibrer. Ces parties de lames pincées vont se comporter ainsi comme le talon du clavier.For this purpose, it is possible to adjust the frequency range by reducing the free length of the blade or 2C vibrating blades by localized pinching of said blade between the support jaw 4 and a counter-support 7 local as shown in the figure 2 . The nip on an end portion of the blades 2C between the support jaw 4 and the counter-support 7 of the support 3 can be considered as if the fixing heel of the keyboard is increased. Between the pinching at these first points of support of the figure 2 and second points of support in a more retracted position of the heel, the blade or blades will not vibrate. These parts of plucked blades will behave like the heel of the keyboard.
  • La nouvelle zone active de la lame ou des lames est celle située entre le pincement aux premiers points d'appui de la figure 2 et l'extrémité libre de chaque lame, alors que selon l'état de la technique, la zone active de chaque lame débute au niveau de la jonction de chaque lame avec le talon.The new active zone of the blade or blades is that located between the nip at the first points of support of the figure 2 and the free end of each blade, whereas according to the state of the art, the active zone of each blade starts at the junction of each blade with the heel.
  • Avec ce pincement localisé de la ou des lames du clavier, il est créé ainsi un nouveau noeud de vibration au niveau de la zone P de pincement comme montré sur les figures 2, 4, 6 et 8. Des moyens sont donc utilisés pour réduire la longueur active ou libre de chaque lame vibrante par pincement localisé entre la mâchoire 4 et par exemple un contre-appui 7 local comme montré à la figure 2.With this localized pinching of the blade or blades of the keyboard, it is thus created a new vibration node at the pinching zone P as shown in FIGS. figures 2 , 4 , 6 and 8 . Means are therefore used to reduce the active or free length of each vibrating blade by localized pinching between the jaw 4 and for example a counter-support 7 local as shown in FIG. figure 2 .
  • Pour ce faire, la mâchoire d'appui 4 et au moins indirectement le support 3 sont conformés pour former une zone P de pincement local et la ou les lumières 2B du talon sont allongées dans la direction des lames pour permettre le déplacement de chaque lame par rapport à la zone P de pincement local. En prenant appui sur chaque lame 2C à distance du talon 2A, on va définir une nouvelle longueur de lame vibrante inférieure à la longueur originale, qui correspondait à la distance entre le talon et l'extrémité libre de chaque lame du clavier.To do this, the support jaw 4 and at least indirectly the support 3 are shaped to form a local pinching zone P and the or bead lights 2B are elongate in the direction of the blades to allow movement of each blade by relative to the local pinch area P. By pressing each blade 2C away from the heel 2A, we will define a new length of vibrating blade less than the original length, which corresponded to the distance between the heel and the free end of each blade of the keyboard.
  • La mâchoire d'appui 4 et le contre-appui 7 vont donc bloquer sur le support 3 le talon 2A et une partie d'extrémité de la lame ou des lames prévues 2C. Cette partie d'extrémité des lames, qui se situe entre la zone de pincement local et le talon, va donc être immobilisée et ne va ainsi plus vibrer. La longueur active de la ou des lames s'étend donc entre la zone de pincement local et l'extrémité libre desdites lames.The support jaw 4 and the counter-support 7 will therefore block on the support 3 the heel 2A and an end portion of the blade or blades provided 2C. This end portion of the blades, which is located between the local pinching zone and the heel, will therefore be immobilized and thus no longer vibrate. The active length of the blade or blades therefore extends between the local pinching zone and the free end of said blades.
  • Pour pouvoir effectuer le réglage de la longueur active de la lame ou des lames du clavier, le talon relié aux lames est déplacé notamment par rapport au support 3, à la mâchoire d'appui 4, ainsi qu'au contre-appui 7, qui constitue des points fixes. Ce déplacement du clavier est possible, car la ou les lumières 2B du talon 2A est allongée en suivant l'axe longitudinal des lames. Plus le talon est déplacé vers l'arrière, plus la longueur active de chaque lame est courte après fixation de la mâchoire sur le support par les vis de serrage. Il est ainsi possible de modifier la fréquence ou la gamme de fréquences sans retirer de la matière ou en ajouter sur la ou les lames du clavier.In order to be able to adjust the active length of the blade or the blades of the keyboard, the heel connected to the blades is moved in particular relative to the support 3, to the support jaw 4, as well as to the counter-support 7, which constitute fixed points. This displacement of the keyboard is possible because the or lights 2B of the heel 2A is elongate along the longitudinal axis of the blades. The more the heel is moved backwards, the shorter the active length of each blade after fixing the jaw on the support by the clamping screws. It is thus possible to modify the frequency or the frequency range without removing material or adding it to the keyboard blade or blades.
  • Le support 3 et les moyens de fixation de la lame ou des lames, tels que la mâchoire d'appui 4, sont considérés comme des moyens ayant une position fixe. C'est donc en déplaçant le talon et donc la lame ou les lames, que se règle le dispositif de production de sons.The support 3 and the fastening means of the blade or blades, such as the support jaw 4, are considered as means having a fixed position. It is therefore by moving the heel and therefore the blade or the blades, that the device for producing sounds is set.
  • Ci-après, il va être décrit plusieurs formes d'exécution du dispositif de production de sons munis des moyens de réglage de la gamme de fréquences du clavier musical.Hereinafter, there will be described several embodiments of the sound producing device having means for adjusting the frequency range of the musical keyboard.
  • Dans une première forme d'exécution des figures 1 et 2 en partie décrite ci-devant, le contre-appui 7 est directement constitué par le support 3, qui présente une nervure 7A sur son bord avant et le bord avant de la mâchoire 4 présente également une nervure 4A, qui se positionne en regard de la nervure 7A du support pour former une pince. Cette pince définit des premiers points d'appui sur une partie d'extrémité de la lame ou des lames du clavier.In a first embodiment of Figures 1 and 2 partially described above, the counter-support 7 is directly constituted by the support 3, which has a rib 7A on its front edge and the front edge of the jaw 4 also has a rib 4A, which is positioned opposite the rib 7A of the support to form a clamp. This clamp defines first points of support on an end portion of the blade or blades of the keyboard.
  • Pour améliorer le serrage, le bord arrière du support 3 et le bord arrière de la mâchoire 4 présentent également et respectivement une nervure 3B, 4B, lesquelles sont positionnées en vis-à-vis . Ainsi, le talon 2A et la ou les lames 2C se trouvent en contact avec le support et la mâchoire uniquement au niveau des nervures, de sorte que la force exercée par la vis sur la mâchoire 4 se transforme en pression d'appui localisée sur la lame et sur le talon. Cette pression est concentrée au niveau des zones de pincement.To improve the tightening, the rear edge of the support 3 and the rear edge of the jaw 4 also have a rib 3B and 4B respectively, which are positioned vis-a-vis. Thus, the heel 2A and the blade or blades 2C are in contact with the support and the jaw only at the ribs, so that the force exerted by the screw on the jaw 4 is transformed into localized pressing pressure on the blade and on the heel. This pressure is concentrated at the pinching areas.
  • Dans une seconde forme d'exécution présentées aux figures 3 et 4, le contre-appui est présenté par une pièce 8 indépendante du support 3, qui forme ainsi une seconde mâchoire 8 dite de contre-appui. Selon cette forme d'exécution, les deux pièces formant mâchoires 4, 8 sont conformées pour se croiser à la manière d'une paire de ciseaux croisés.In a second embodiment presented to the Figures 3 and 4 the counter-support is presented by a piece 8 independent of the support 3, which thus forms a second jaw 8 said counter-support. According to this embodiment, the two jaw pieces 4, 8 are shaped to cross in the manner of a pair of crossed scissors.
  • Chaque mâchoire 4, 8 comporte deux plaques 10A,10B, 11A et 11 B, qui sont situées dans deux plans sensiblement parallèles et sont réunies par une forme 12A, 12B de croisement, qui pour l'une est un premier passant 12A et pour l'autre un second passant incliné 12B. Ce second passant incliné 12B est inséré dans le premier passant 12A. Les lames du clavier passent entre les premier et second passants. Les plaques présentent en regard l'une de l'autre des nervures pour former une zone P de pincement avant des lames et une zone R de pincement arrière. La zone P de pincement avant est prévue pour pincer une partie d'extrémité des lames du clavier, afin de régler la gamme de fréquences dudit clavier. Cette zone P de pincement peut être définie comme des premiers points d'appui, alors que la zone R de pincement arrière sur le talon peut être définie comme des seconds points d'appui.Each jaw 4, 8 comprises two plates 10A, 10B, 11A and 11B, which are located in two substantially parallel planes and are joined by a crossing shape 12A, 12B, which for one is a first pass 12A and for another a second inclined pass 12B. This second inclined pass 12B is inserted in the first pass 12A. The keyboard blades pass between the first and second passers. The plates have facing each other ribs to form a pinching zone P before blades and a rear clamping zone R. The front pinch area P is provided to pinch an end portion of the keyboard blades to adjust the frequency range of said keyboard. This pinching zone P can be defined as first support points, while the rear pinch zone R on the heel can be defined as second support points.
  • La zone R de pincement est formée par un des couples de nervures 4B, 8B, qui se positionnent entre l'arrière et les formes de croisement des pièces, l'autre couple 4A, 8A de nervures de la zone P de pincement se trouve après les formes de croisement au plus loin des dites formes de croisement. On peut admettre que les nervures 4B, 8B, qui sont les plus proches des vis 5 de serrage et donc à l'arrière des formes de croisement, agissent comme une ligne de pivot.The pinching zone R is formed by one of the pairs of ribs 4B, 8B, which are positioned between the rear and the crossover shapes of the parts, the other pair 4A, 8A of ribs of the pinch zone P is after the forms of crossing as far as possible from the said forms of crossing. It may be assumed that the ribs 4B, 8B, which are closest to the clamping screws and thus to the rear of the crossover forms, act as a pivot line.
  • L'une des deux branches des ciseaux 10A est en appui sur le support 3 et a sa mâchoire 10B, qui vient au-dessus des lames du clavier 2, tandis que l'autre branche vient au-dessus du talon et a sa mâchoire, qui vient au-dessous des lames.One of the two branches of the scissors 10A bears on the support 3 and has its jaw 10B, which comes above the blades of the keyboard 2, while the other branch comes above the heel and has its jaw, which comes below the blades.
  • Dans la première forme d'exécution des figures 1 et 2 décrite précédemment, uniquement la longueur libre des lames est en porte-à-faux par rapport au support 3. Par contre pour cette seconde forme d'exécution des figures 3 et 4, la zone P de pincement des lames est en porte-à-faux par rapport au dit support. De préférence, la seconde mâchoire 8, qui est en appui sur le support 3, est dimensionnée pour être plus rigide que la première mâchoire 4.In the first embodiment of the Figures 1 and 2 described above, only the free length of the blades is cantilevered relative to the support 3. For against this second embodiment of Figures 3 and 4 the zone P pinching blades is cantilevered relative to said support. Preferably, the second jaw 8, which bears on the support 3, is dimensioned to be more rigid than the first jaw 4.
  • Suivant la position des couples de nervures 4A, 8A et 4B, 8B par rapport aux vis de serrage 5 et à la position de l'axe de rotation de la paire de ciseaux, on obtient un effet de levier plus ou moins prononcé. Selon cette solution, l'axe de rotation est constitué par le couple de nervures 4B, 8B situé en deçà de la zone de croisement des mâchoires 4, 8.Depending on the position of the pairs of ribs 4A, 8A and 4B, 8B with respect to the clamping screws 5 and the position of the axis of rotation of the pair of scissors, a more or less pronounced leverage effect is obtained. According to this solution, the axis of rotation is formed by the pair of ribs 4B, 8B located below the crossing zone of the jaws 4, 8.
  • Une troisième forme d'exécution du dispositif de production de sons est représentée aux figures 5 et 6. Cette fois-ci, les deux mâchoires 4, 8 coopèrent en leurs extrémités distales formant une sorte de pivot. Chaque mâchoire présente en retrait du pivot, une nervure 4A, 8A définissant la zone P de pincement. Ainsi en serrant la ou les vis de serrage 5, on rapproche les nervures 4A, 8A de la lame ou des lames du clavier.A third embodiment of the sound producing device is shown in Figures 5 and 6 . This time, the two jaws 4, 8 cooperate at their distal ends forming a kind of pivot. Each jaw has recessed pivot, a rib 4A, 8A defining the P pinch zone. Thus by tightening the clamping screw or screws 5, the ribs 4A, 8A are brought closer to the blade or to the blades of the keyboard.
  • Pour former la ligne de pivot, il existe plusieurs possibilités. Plus précisément, la seconde mâchoire 8, qui forme un contre-appui, présente sur ses deux cotés latéraux vers l'avant des crochets 20 ouverts vers l'arrière de la mâchoire. Dans ces crochets 20, deux pattes 21 du bord avant de la première mâchoire 4 viennent s'encastrer pour former le pivot. Les deux mâchoires 4 et 8 sont plus larges, que l'ensemble des lames vibrantes du clavier. De plus, le montage des pivots laisse libre une ouverture pour le passage des lames.To form the pivot line, there are several possibilities. More specifically, the second jaw 8, which forms a counter-support, has on its two lateral sides forward of the hooks 20 open towards the rear of the jaw. In these hooks 20, two lugs 21 of the front edge of the first jaw 4 are embedded to form the pivot. The two jaws 4 and 8 are wider than the set of vibrating blades of the keyboard. In addition, the mounting of the pivots leaves free an opening for the passage of the blades.
  • Une quatrième forme d'exécution du dispositif de production de sons est représentée aux figures 7 et 8. Dans cette forme d'exécution, il est prévu de fixer une traverse 8 formant contre-appui sur l'extrémité distale de la mâchoire d'appui 4. La mâchoire 4 est également fixée sur le support 3. La pièce ou traverse 8 est fixée rigidement sur la mâchoire 4, par exemple par verrouillage élastique ou serrage avec des vis non représentées.A fourth embodiment of the sound producing device is shown in FIGS. Figures 7 and 8 . In this embodiment, it is intended to fix a cross-member 8 forming a counter-support on the distal end of the support jaw 4. The jaw 4 is also fixed on the support 3. The part or crosspiece 8 is fixed rigidly on the jaw 4, for example by elastic locking or tightening with screws not shown.
  • Les moyens de fixation de la traverse 8 sur la mâchoire 4 sont aptes à déplacer la traverse vers la mâchoire 4 pour pincer une partie d'extrémité des lames. Le principe de ces moyens de fixation est ainsi de pincer les lames à distance du talon de manière à allonger fictivement le talon et à réduire la longueur libre des lames. Avec cela, il est possible de modifier la fréquence de résonance de chaque lame libre.The fastening means of the cross member 8 on the jaw 4 are able to move the crossbar to the jaw 4 to pinch an end portion of the blades. The principle of these attachment means is to pinch the blades away from the heel so as to fictitiously lengthen the heel and reduce the free length of the blades. With this, it is possible to change the resonance frequency of each free blade.
  • A partir de la description qui vient d'être faite, plusieurs variantes du dispositif de production de sons muni de moyens de réglage de la gamme de fréquences du clavier musical peuvent être conçues par l'homme du métier sans sortir du cadre de l'invention définie par les revendications. Il est possible d'opérer un pincement sélectif sur certaines lames du clavier et non pas sur toutes les lames du clavier pour modifier partiellement la gamme de fréquences du clavier musical. Deux moyens de réglage distincts de la gamme de fréquences des lames du clavier peuvent être prévu en étant fixés par exemple sur un même support.From the description that has just been given, several variants of the sound production device provided with means for adjusting the frequency range of the musical keyboard may be designed by those skilled in the art without departing from the scope of the invention. defined by the claims. It is possible to selectively pinch certain keyboard blades and not all keyboard blades to partially change the frequency range of the music keyboard. Two different adjustment means of the frequency range of the keyboard blades can be provided by being fixed for example on the same support.

Claims (11)

  1. Method for adjusting the vibration frequency range of a sound producing device (1) with one or more vibrating tongues (2C), the device including an assembly formed of a comb (2A) extended by at least one vibrating tongue, said comb having at least one hole (2B) for the securing thereof to a support (3) by means of a support jaw (4) and of a tightening element (5) traversing the support jaw and the hole of said comb, said method being characterized in that the frequency range is adjusted by reducing the free length of the vibrating tongue or tongues by localised clamping of the tongue or tongues between the support jaw (4) and a local counter-support (7).
  2. Means for implementing the adjustment method according to claim 1, including a sound producing device with one or more vibrating tongues, which includes an assembly (2) formed of a comb (2A) extended by at least one vibrating tongue, said comb having at least one hole (2B) for the securing thereof to a support (3) by means of a support jaw (4) and of a tightening element (5) traversing the support jaw and the hole of said comb, said means being characterized in that the means include means for reducing the free length of the vibrating tongue or tongues by localised clamping of the tongue or tongues between the support jaw (4) and a local counter-support (7).
  3. Means of adjusting the vibration frequency range of a sound producing device with one or more vibrating tongues according to claim 2, characterized in that the support jaw (4) and the support (3) are arranged to form a local clamping region (P) of the tongue or tongues, and in that the hole (2B) of the comb is elongated in the direction of the length of the tongue or tongues to allow the tongue or tongues to move in relation to the local clamping region (P).
  4. Means of adjusting the vibration frequency range of a sound producing device with one or more vibrating tongues according to claim 3, characterized in that the support (3) has a first rib (7A) on a front edge, and in that a front edge of the jaw (4) has a second rib (4A), which is positioned facing the first rib (7A) of the support to form a clamp.
  5. Means of adjusting the vibration frequency range of a sound producing device with one or more vibrating tongues according to claim 4, characterized in that a back edge of the support (3) and a back edge of the jaw (4) also have other ribs (7B, 4B) positioned facing each other.
  6. Means of adjusting the vibration frequency range of a sound producing device with one or more vibrating tongues according to claim 2, characterized in that the counter-support is defined by a part (8) independent of the support to form a second counter-support jaw (8).
  7. Means of adjusting the vibration frequency range of a sound producing device with one or more vibrating tongues according to claim 6, characterized in that the two jaws (4, 8) are shaped to intersect in the manner of a pair of crossed scissors.
  8. Means of adjusting the vibration frequency range of a sound producing device with one or more vibrating tongues according to claim 7, characterized in that the first and second jaws (4, 8) are defined as two plates (10A, 10B, 11A, 11B), which are situated in two substantially parallel planes and are joined by a cross-shaped member (12A, 12B), one of which is formed by a first loop (12A) and the other by a second inclined loop (12B) inserted into said first loop (12A), and in that the plates have ribs facing each other to form a front clamping region (P) of the tongues and a back clamping region (R).
  9. Means of adjusting the vibration frequency range of a sound producing device with one or more vibrating tongues according to claim 6, characterized in that the two jaws (4, 8) cooperate at the distal ends thereof to form at said end a sort of pivot, and in that behind the pivot, each jaw has a rib (4A, 8A) defining a clamping region.
  10. Means of adjusting the vibration frequency range of a sound producing device with one or more vibrating tongues according to claim 9, characterized in that, on two lateral sides thereof towards the front, the second counter-support jaw (8) has hooks (20) open towards the back of the second jaw, into which two lugs (21) of the front edge of the first support jaw (4) are inserted to form the pivot.
  11. Means of adjusting the vibration frequency range of a sound producing device with one or more vibrating tongues according to claim 6, characterized in that the counter-support is formed by a cross-piece (8) fixed to the jaw (4) by securing means, which are capable of moving the cross-piece towards the jaw (4) to clamp the tongue or tongues.
EP13172119.3A 2013-06-14 2013-06-14 Method for adjusting the range of vibration frequencies of a reed sound-producing device Active EP2814024B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13172119.3A EP2814024B1 (en) 2013-06-14 2013-06-14 Method for adjusting the range of vibration frequencies of a reed sound-producing device

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
EP13172119.3A EP2814024B1 (en) 2013-06-14 2013-06-14 Method for adjusting the range of vibration frequencies of a reed sound-producing device
CH01127/13A CH708167A2 (en) 2013-06-14 2013-06-14 A method of adjusting the range of frequencies of vibration of a device for producing vibrating reeds sounds.
US14/299,434 US9324309B2 (en) 2013-06-14 2014-06-09 Method for adjusting the vibration frequency range of a sound producing device with vibrating tongues
CN201410264539.8A CN104240692B (en) 2013-06-14 2014-06-13 Method for the vibration frequency range for adjusting the flexible piezoelectric sound-generating devices with vibration tongue
JP2014122153A JP5931963B2 (en) 2013-06-14 2014-06-13 Method for adjusting vibration frequency range of sound generator by vibrating tongue
HK15105670.9A HK1205338A1 (en) 2013-06-14 2015-06-16 Method for adjusting the vibration frequency range of a sound producing device with vibrating tongues

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EP2814024A1 EP2814024A1 (en) 2014-12-17
EP2814024B1 true EP2814024B1 (en) 2015-10-21

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EP13172119.3A Active EP2814024B1 (en) 2013-06-14 2013-06-14 Method for adjusting the range of vibration frequencies of a reed sound-producing device

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US (1) US9324309B2 (en)
EP (1) EP2814024B1 (en)
JP (1) JP5931963B2 (en)
CN (1) CN104240692B (en)
CH (1) CH708167A2 (en)
HK (1) HK1205338A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3540527A1 (en) * 2018-03-16 2019-09-18 Montres Breguet S.A. Musical keyboard for a chiming mechanism of a timepiece

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US342979A (en) * 1886-06-01 Alfred suetje
US2330261A (en) * 1941-04-18 1943-09-28 Thomas W Beyer Adjustable reed
US2687058A (en) * 1951-10-03 1954-08-24 Magnus Harmonica Corp Harmonica construction
US2755697A (en) * 1952-02-06 1956-07-24 Miessner Inventions Inc Vibratory reed
US2838834A (en) * 1954-11-22 1958-06-17 Ganine Peter Method of making a musical comb
CH343214A (en) * 1957-12-27 1959-12-15 Techna Anstalt Fuer Verwertung Method for tuning a musical room vibrating reed keyboard and keyboard obtained by this method
JPS5455325U (en) * 1977-09-26 1979-04-17
JPH036949Y2 (en) * 1985-03-12 1991-02-21
US5824927A (en) * 1996-05-24 1998-10-20 Tonon; Thomas Keyed free-reed instruments scope
JP3542467B2 (en) * 1997-08-20 2004-07-14 株式会社三協精機製作所 Music box
ES2181266T3 (en) * 1997-10-02 2003-02-16 Sankyo Seiki Seisakusho Kk Music Box.
JP2002116753A (en) * 2000-10-04 2002-04-19 Sankyo Seiki Mfg Co Ltd Music box, music box diaphragm and method of manufacturing the same
US6268554B1 (en) * 2000-10-23 2001-07-31 Wesley Scott Ashton Music box comb structure for playing duets
EP1361565A1 (en) * 2001-01-22 2003-11-12 Sankyo Seiki Mfg. Co. Ltd. Music box
JP3806068B2 (en) * 2002-06-25 2006-08-09 株式会社アース・プランニング Assembly musical instrument
JP3932550B2 (en) * 2002-07-25 2007-06-20 ヤマハ株式会社 Performance equipment
JP4211691B2 (en) * 2004-06-15 2009-01-21 ヤマハ株式会社 Music box lead structure
JP2008268827A (en) * 2007-04-24 2008-11-06 Kiyotaka Shibata Electromagnetic-driven music box
JP2011059462A (en) * 2009-09-11 2011-03-24 Sora:Kk Ring housing case and ring housed in the same
FR2959055B1 (en) * 2010-04-19 2015-06-05 Jean Claude Bibollet Improvement for harmonica
CH704425A2 (en) * 2011-01-28 2012-07-31 Montres Breguet Sa 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

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Publication number Publication date
US9324309B2 (en) 2016-04-26
JP5931963B2 (en) 2016-06-08
EP2814024A1 (en) 2014-12-17
CH708167A2 (en) 2014-12-15
CN104240692B (en) 2018-10-02
CN104240692A (en) 2014-12-24
JP2015001746A (en) 2015-01-05
US20140366705A1 (en) 2014-12-18
HK1205338A1 (en) 2015-12-11

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