EP0271527B1 - Pedal mecanism for keyboard instruments - Google Patents

Pedal mecanism for keyboard instruments Download PDF

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Publication number
EP0271527B1
EP0271527B1 EP87903703A EP87903703A EP0271527B1 EP 0271527 B1 EP0271527 B1 EP 0271527B1 EP 87903703 A EP87903703 A EP 87903703A EP 87903703 A EP87903703 A EP 87903703A EP 0271527 B1 EP0271527 B1 EP 0271527B1
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Prior art keywords
pedal
harmonic
muffler
key
bar
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German (de)
French (fr)
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EP0271527A1 (en
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Denis De La Rochefordiere
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10CPIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00Details or accessories
    • G10C3/26Pedals or pedal mechanisms; Manually operated sound modification means

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  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
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  • Electrophonic Musical Instruments (AREA)
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  • Food-Manufacturing Devices (AREA)
  • Stringed Musical Instruments (AREA)
  • Exhaust Gas After Treatment (AREA)
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Abstract

PCT No. PCT/FR87/00198 Sec. 371 Date Jan. 29, 1988 Sec. 102(e) Date Jan. 29, 1988 PCT Filed Jun. 3, 1987 PCT Pub. No. WO87/07746 PCT Pub. Date Dec. 17, 1987.Each muffler (6) is individually subjected to a separable pair of sollicitation means (9, 10) of which one of them (10) depends on the harmonic bar (11) and of which the other one (9) depends from the muffler (6); also provided is a so-called harmonic pedal which actuates the harmonic bar (11) in order to space apart the assembly of mufflers (6) from the set of strings (7), the simultaneous depression of the harmonic pedal and of a key (1) causing the separation of the pair of sollicitation means (9, 10) with respect to the muffler (6) of the string (7) corresponding to said key (1).

Description

La présente invention a pour objet un procédé musical pour instruments à clavier et à cordes frappées ou instruments similaires, ainsi qu'un mécanisme à pédale adapté à ce procédé.The present invention relates to a musical method for keyboard instruments and struck strings or similar instruments, as well as a pedal mechanism adapted to this method.

Par instruments similaires, on entend par exemple les instruments électroniques simulant le son des instruments à cordes traditionnels.By similar instruments is meant, for example, electronic instruments simulating the sound of traditional stringed instruments.

Avec les instruments existants, le musicien a le choix entre :

  • jouer en "détaché", auquel cas l'émission de chaque note cesse dès que le doigt relâche la touche,
  • jouer avec dépression de la pédale forte, auquel cas chaque note jouée continue de résonner après que le doigt ait relâché la touche,
  • jouer avec utilisation de la pédale tonale, lorsqu'elle existe, auquel cas un accord plaqué peut être conservé en "mémoire" si l'on déprime cette pédale tonale, et résonner en même temps que des notes détachées jouées ensuite.
With existing instruments, the musician has the choice between:
  • play "detached", in which case the emission of each note stops as soon as the finger releases the key,
  • play with strong pedal depression, in which case each note played continues to resonate after the finger releases the key,
  • play with the use of the tonal pedal, when it exists, in which case a plated chord can be kept in "memory" if this tonal pedal is depressed, and resonate at the same time as detached notes played afterwards.

Les possibilités de la pédale forte et de la pédale tonale sont cependant limitées. Comme on vient de le dire, la pédale tonale ne peut conserver qu'un accord en mémoire. Les limites de la pédale forte ressortent, quant à elles, des exemples musicaux donnés ci-après en référence aux figures 1 et 2.The possibilities of the strong pedal and the tonal pedal are however limited. As we just said, the tonal pedal can only keep one chord in memory. The limits of the heavy pedal are apparent from the musical examples given below with reference to Figures 1 and 2.

A la figure 1, on voit qu'à chaque blanche de la basse correspond un accord arpégé. Toutes les notes font partie de l'harmonie ; si l'on utilise la pédale forte comme indiqué par la lettre P, il n'en résulte aucune dissonance.In Figure 1, we see that each white of the bass corresponds to an arpeggiated chord. All the notes are part of the harmony; if the strong pedal is used as indicated by the letter P, no dissonance results.

Par contre, si l'on se réfère à la figure 2, on voit qu'il y a bien un accord à chaque mesure, mais les broderies indiquées par ↗ créent des dissonances insurmontables si la pédale forte est actionnée. Pour éviter de telles dissonances, on n'a le choix qu'entre deux solutions, ou jouer sans pédale forte, ou actionner huit fois la pédale forte par mesure, ce qui donnerait un piètre résultat.On the other hand, if we refer to Figure 2, we see that there is indeed a chord with each measure, but the embroideries indicated by ↗ create insurmountable dissonances if the strong pedal is actuated. To avoid such dissonance, there is only the choice between two solutions, or playing without strong pedal, or press the strong pedal eight times per measure, which would give a poor result.

La présente invention a pour but d'offrir de nouvelles possibilités de jeu et d'écriture.The present invention aims to offer new possibilities for play and writing.

Cet objectif est atteint en ce sens que selon l'invention, on interrompt l'effet de la pédale forte à l'égard de notes sur le point d'être jouées tout en conservant cet effet à l'égard des notes venant d'être jouées.This objective is achieved in the sense that according to the invention, the effect of the strong pedal with regard to notes about to be played is interrupted while retaining this effect with regard to the notes which have just been played. played.

Dans le cas des instruments électroniques, les moyens utilisés pour la mise en oeuvre de ce procédé peuvent revêtir la forme d'une mémoire dont la réalisation pratique est à la portée de l'homme de l'art s'inspirant de ce qui est connu en matière de pédale tonale.In the case of electronic instruments, the means used for the implementation of this process can take the form of a memory, the practical realization of which is within the reach of those skilled in the art inspired by what is known. when it comes to tonal pedal.

Dans le cas des instruments traditionnels, la solution pratique est mécanique.In the case of traditional instruments, the practical solution is mechanical.

Ces instruments traditionnels comprennent un jeu de cordes susceptibles d'être frappées chacune par un marteau actionné par une touche, chaque corde étant équipée d'un étouffoir qui, en position non sollicitée, est en appui contre la corde et l'empêche de vibrer et qui, en position sollicitée, est écarté de la corde, la sollicitation des étouffoirs étant soit globale sous l'effet d'une barre commune, dite barre de forte, actionnée par une pédale de forte, soit individuelle sous l'effet d'une cuiller commandée par chaque touche.These traditional instruments include a set of strings each capable of being struck by a hammer actuated by a key, each string being equipped with a damper which, in the unsolicited position, is pressed against the string and prevents it from vibrating and which, in the stressed position, is moved away from the rope, the stress on the dampers being either global under the effect of a common bar, called the strong bar, actuated by a strong pedal, or individual under the effect of a spoon controlled by each key.

Avec de tels instruments, le musicien a la possibilité :

  • soit de ne faire vibrer que la corde correspondant à la touche déprimée, l'étouffoir de ladite corde s'en écartant pour la laisser vibrer tant que le doigt est appuyé sur la touche et revenant en place dès que la touche est relâchée, tandis que toutes les autres cordes sont empêchées de vibrer par leurs étouffoirs respectifs,
  • soit, en déprimant la pédale de forte, à permettre la vibration non seulement de la corde correspondant à la touche déprimée, vibration qui se prolonge après que le doigt ait relâché la touche, mais encore celle des cordes basses qui vibrent par sympathie avec la corde correspondant à la touche déprimée.
With such instruments, the musician has the possibility:
  • either to vibrate only the cord corresponding to the depressed key, the damper of said cord moving away from it to let it vibrate as long as the finger is pressed on the key and returning to its place as soon as the key is released, while all the other strings are prevented from vibrating by their respective dampers,
  • either, by depressing the strong pedal, to allow the vibration not only of the string corresponding to the depressed key, vibration which is prolonged after the finger has released the key, but also that of the lower strings which vibrate out of sympathy with the string corresponding to the depressed key.

Selon l'invention, chaque étouffoir est individuellement soumis à un couple séparable de moyens de sollicitation dont l'un dépend d'une barre harmonique et dont l'autre dépend de l'étouffoir et il est prévu une pédale dite harmonique qui actionne la barre harmonique pour écarter l'ensemble des étouffoirs de l'ensemble des cordes, la dépression simultanée de la pédale harmonique et d'une touche provoquant la séparation du couple de moyens de sollicitation en rapport avec l'étouffoir qui équipe la corde correspondant à cette touche.According to the invention, each damper is individually subjected to a separable couple of biasing means, one of which depends on a harmonic bar and the other of which depends on the damper and a so-called harmonic pedal is provided which actuates the bar harmonic to separate all the dampers from all the strings, the simultaneous depression of the harmonic pedal and of a key causing the separation of the couple of biasing means in relation to the damper which equips the cord corresponding to this key .

Ainsi, lorsque la pédale harmonique est actionnée, la corde correspondant à une touche ne vibre que pendant la durée de l'appui sur cette touche, l'étouffoir étouffant la note jouée en laissant sonner les harmoniques des cordes basses, générées par sympathie. Cela permet de jouer pédale harmonique enfoncée une phrase complète d'une même harmonie sans relever la pédale à chaque broderie, tout en respectant les articulations musicales.Thus, when the harmonic pedal is actuated, the string corresponding to a key vibrates only for the duration of pressing on this key, the damper muffling the note played by letting the harmonics of the low strings sound, generated by sympathy. This allows you to play a harmonic pedal depressed a complete phrase of the same harmony without raising the pedal with each embroidery, while respecting the musical articulations.

Cela ressort de la figure 3 où les notes indiquées sont des broderies ou des notes de passage qui ne font pas partie des trois ou quatre notes constituant l'accord. Juste après l'émission, elles sont gommées par l'étouffoir et l'harmonique résiduelle est insignifiante. L'utilisation de la pédale harmonique dans cet extrait n'empêchera pas la basse d'être détachée ou piquée.This emerges from Figure 3 where the notes indicated are embroidery or passing notes that are not part of the three or four notes constituting the chord. Right after the emission, they are erased by the damper and the residual harmonic is insignificant. The use of the harmonic pedal in this extract will not prevent the bass from being detached or pitted.

Dans les pianos existants, chaque étouffoir est porté par un support d'étouffoir.In existing pianos, each damper is carried by a damper support.

Dans une forme d'exécution pratique de l'invention, la barre harmonique est montée rotative autour de son axe longitudinal et chaque couple de moyens de sollicitation comprend un sillet d'échappement saillant à la périphérie de la barre harmonique et susceptible de venir en et hors de prise avec un ressort d'échappement dépendant du support d'étouffoir, la pédale harmonique provoquant par l'intermédiaire de la barre harmonique, desdits sillets et desdits ressorts, la sollicitation globale des supports d'étouffoirs, tandis que la sollicitation individuelle de chaque support d'étouffoir par la cuiller correspondante sous l'effet de la dépression d'une touche, provoque, lorsque la pédale harmonique est déprimée, la séparation entre le sillet et le ressort du support d'étouffoir correspondant à ladite touche, sans que le relâchement ultérieur de cette touche rétablisse la venue en prise dudit sillet et dudit ressort.In a practical embodiment of the invention, the harmonic bar is rotatably mounted around its longitudinal axis and each pair of biasing means comprises an exhaust nut projecting at the periphery of the harmonic bar and capable of coming in and out of engagement with an exhaust spring dependent on the damper support, the harmonic pedal causing via of the harmonic bar, of said saddles and of said springs, the overall stress of the damper supports, while the individual stress of each damper support by the corresponding spoon under the effect of the depression of a key, causes, when the harmonic pedal is depressed, the separation between the nut and the spring of the damper support corresponding to said key, without the subsequent release of this key restoring the engagement of said nut and said spring.

Si la pédale harmonique peut être un pédale ajoutée au jeu existant sur les pianos (pédale de forte, pédale sourdine, pédale tonale), il est tout à fait préférable que la pédale de forte et la pédale harmonique ne soient qu'une seule et même pédale mixte susceptible d'être déprimée à mi-course ou totalement déprimée, la semi-dépression de la pédale correspondant à la position harmonique, pour laquelle les supports d'étouffoirs restent accessibles aux cuillers lorsque les touches sont actionnées, alors que la dépression complète de la pédale, correspond à la position pédale forte, pour laquelle ladite barre de forte empêche le retour des supports d'étouffoirs vers les cordes.If the harmonic pedal can be a pedal added to the existing game on pianos (pedal of strong, muted pedal, pedal tonal), it is entirely preferable that the pedal of strong and the harmonic pedal are only one and the same mixed pedal likely to be depressed halfway or fully depressed, the semi-depression of the pedal corresponding to the harmonic position, for which the damper supports remain accessible to the spoons when the keys are actuated, while the depression is complete of the pedal, corresponds to the strong pedal position, for which said strong bar prevents the return of the damper supports towards the strings.

On comprend donc, qu'en position pédale harmonique on obtiendra la séparation des organes de sollicitation de chaque étouffoir après dépression de la touche correspondante, et donc l'étouffement de la note jouée, tandis qu'en position pédale forte, les étouffoirs restent décollés des cordes même après que les touches correspondantes aient été déprimées.We therefore understand that in the harmonic pedal position we will obtain the separation of the biasing members of each damper after depression of the corresponding key, and therefore the suffocation of the note played, while in the strong pedal position, the dampers remain detached strings even after the corresponding keys have been depressed.

La pédale mixte est déplaçable depuis sa position déprimée pédale forte vers sa position semi-déprimée pédale harmonique : dans ce cas, toutes les notes jouées en position forte restent en résonance au moment où l'on passe en position harmonique, créant ainsi un effet de pédale tonale, avec toutefois un avantage sur les pédales connues ; alors que celles-ci ne peuvent garder "en mémoire" que les touches enfoncées au moment de l'action, la fonction tonale selon l'invention permet de garder en résonance tout un arpège, toute une série de deux, trois ou cinq accords.The mixed pedal can be moved from its depressed position on the strong pedal to its semi-depressed position on the harmonic pedal: in this case, all the notes played in the strong position remain in resonance as we move into the harmonic position, thus creating an effect of tonal pedal, but with an advantage over known pedals; whereas these can only keep "in memory" the keys pressed at the time of the action, the tonal function according to the invention allows to keep in resonance an entire arpeggio, a whole series of two, three or five chords.

L'invention sera mieux comprise à la lecture de la description ci-après faite en référence aux dessins annexés dans lesquels :

  • la figure 4 représente schématiquement la configuration du mécanisme selon l'invention au repos, appliqué à un piano droit,
  • la figure 5 represente la même configuration qu'à la figure 4 mais avec appui de la pédale mixte en position harmonique, sans dépression de la touche,
  • la figure 6 représente la même configuration qu'à la figure 5 mais avec dépression de la touche,
  • la figure 7 représente la phase suivant celle illustrée à la figure 6, lorsque la touche est relâchée,
  • la figure 8 représente la même configuration qu'à la figure 5 mais avec appui de la pédale mixte en position forte, sans dépression de la touche.
The invention will be better understood on reading the description below made with reference to the accompanying drawings in which:
  • FIG. 4 schematically represents the configuration of the mechanism according to the invention at rest, applied to an upright piano,
  • FIG. 5 represents the same configuration as in FIG. 4 but with the support of the mixed pedal in the harmonic position, without depression of the key,
  • FIG. 6 represents the same configuration as in FIG. 5 but with depression of the key,
  • FIG. 7 represents the phase following that illustrated in FIG. 6, when the key is released,
  • Figure 8 shows the same configuration as in Figure 5 but with support of the mixed pedal in the strong position, without depression of the button.

Si l'on se réfère à la figure 4, on voit une touche 1 de piano actionnant par l'intermédiaire d'un mécanisme 2 approprié une cuiller 3 susceptible de venir en contact avec un support d'étouffoir 4 monté pivotant autour d'un axe 5. Le support d'étouffoir 4 est pourvu d'un étouffoir 6 qui est représenté en contact avec une corde 7. Le support d'étouffoir est réuni par un collier 8 à l'une des extrémités d'une barrette 13 dont l'autre extrémité porte un ressort d'échappement 9. Le ressort d'échappement 9 est adapté à coopérer avec un sillet d'échappement 10 monté à la périphérie d'une barre "harmonique" 11 susceptible d'un mouvement de rotation, dans un sens et dans l'autre, autour de son axe longitudinal. Il est en outre prévu une barre de "forte" 12 susceptible d'un mouvement de translation vers et à l'écart du support d'étouffoir 4. Une pédale mixte, non représentée, ayant une position déprimée à mi-course dite "semi-déprimée" et une position totalement déprimée dite "déprimée", est adaptée à actionner la barre harmonique 11 en position semi-déprimée et la barre de forte 12 en position déprimée.If we refer to Figure 4, we see a piano key 1 actuating through a suitable mechanism 2 a spoon 3 capable of coming into contact with a damper support 4 pivotally mounted around a axis 5. The damper support 4 is provided with a damper 6 which is shown in contact with a rope 7. The damper support is joined by a collar 8 at one end of a bar 13 whose l other end carries an exhaust spring 9. The exhaust spring 9 is adapted to cooperate with an exhaust nut 10 mounted on the periphery of a "harmonic" bar 11 capable of rotational movement, in a direction and in the other, around its longitudinal axis. There is also provided a "strong" bar 12 capable of translational movement towards and away from the damper support 4. A mixed pedal, not shown, having a depressed position at halfway called "semi" -depressed "and a totally depressed position called" depressed ", is adapted to actuate the harmonic bar 11 in semi-depressed position and the strong bar 12 in depressed position.

Si l'on se réfère à la figure 5, on voit que par suite de la semi-dépression de la pédale (position harmonique), la barre harmonique 11 a tourné d'un angle α selon la flèche F1 en amenant le sillet d'échappement 10 au contact du ressort d'échappement 9 qu'il déforme vers le bas. Celui-ci a donc subi une poussée qu'il a transmise à la barrette 13 et au support d'étouffoir 4 qui a pivoté autour de son axe 5. L'étouffoir 6 s'est par suite décollé de la corde 7.If we refer to Figure 5, we see that as a result of the semi-depression of the pedal (harmonic position), the harmonic bar 11 has rotated by an angle α according to arrow F1 by bringing the nut exhaust 10 in contact with the exhaust spring 9 which it deforms downwards. The latter therefore underwent a thrust which it transmitted to the bar 13 and to the damper support 4 which has pivoted about its axis 5. The damper 6 has therefore become detached from the cord 7.

Si l'on en vient à la figure 6 où la touche 1 est déprimée alors que le mécanisme était tel qu'à la figure 5, la cuiller 3 vient appuyer sur le support d'étouffoir 4 et le fait davantage pivoter autour de son axe 5 au point que le ressort d'échappement 9 s'écarte du sillet d'échappement 10 et reprend, selon F2, sa position de repos.If we come to Figure 6 where the button 1 is depressed while the mechanism was as in Figure 5, the spoon 3 comes to press on the damper support 4 and rotates it more about its axis 5 to the point that the exhaust spring 9 moves away from the exhaust nut 10 and returns, according to F2, to its rest position.

On comprend que, dès qu'on relâchera la touche 1 (figure 7), la cuiller 3 ne maintiendra plus le support d'étouffoir dans la position représentée à la figure 6 et l'étouffoir 6 reviendra en contact contre la corde 7 en l'empêchant de vibrer. Le retour de l'étouffoir en position de repos entraîne le passage du ressort d'échappement 9 au-dessus du sillet d'échappement 10. Il va de soi que seule la cuiller 3 correspondant à la touche 1 actionnée a provoqué le passage du ressort au-dessus du sillet. Les autres cuillers 3a, 3b, 3c ... sont restées dans la position de la cuiller 3 à la figure 5 et, par suite, les ressorts 9a, 9b, 9c ... sont restés en contact avec les sillets 10a, 10b, 10c ... de sorte que les étouffoirs 6a, 6b, 6c ... sont restés décollés des cordes 7a, 7b, 7c ... même après que la touche 1 ait été relâchée. Les éléments identifiés par les lettres a, b, c ne sont pas représentés aux dessins, ils sont simplement cités pour la compréhension.We understand that, as soon as we release the button 1 (Figure 7), the spoon 3 will no longer hold the damper support in the position shown in Figure 6 and the damper 6 will come back into contact against the rope 7 in l preventing it from vibrating. The return of the damper to the rest position causes the passage of the exhaust spring 9 above the exhaust nut 10. It goes without saying that only the spoon 3 corresponding to the button 1 pressed caused the passage of the spring above the nut. The other spoons 3a, 3b, 3c ... remained in the position of the spoon 3 in FIG. 5 and, consequently, the springs 9a, 9b, 9c ... remained in contact with the saddles 10a, 10b, 10c ... so that the dampers 6a, 6b, 6c ... remained unstuck from the strings 7a, 7b, 7c ... even after the key 1 had been released. The elements identified by the letters a , b , c are not shown in the drawings, they are simply cited for understanding.

Si l'on se réfère maintenant à la figure 8, on voit que, sous l'effet de la dépression totale de la pédale (position de forte), la barre 12 s'est déplacée selon la flèche F3 vers le support d'étouffoir 4 et elle l'a fait davantage pivoter. Simultanément, la dépression totale de la pédale a entraîné la rotation de la barre harmonique dans le sens de la flèche F4. En position forte, si l'on déprime puis relâche la touche 1, l'étouffoir 6 reste à l'écart de la corde 7.If we now refer to FIG. 8, we see that, under the effect of the total depression of the pedal (strong position), the bar 12 has moved along arrow F3 towards the damper support 4 and it made it rotate more. At the same time, the total depression of the pedal caused the harmonic bar to rotate in the direction of arrow F4. In the strong position, if you depress and then release the button 1, the damper 6 remains away from the cord 7.

Il est bien entendu que l'invention n'est pas limitée aux formes d'exécution décrites et représentées, et en particulier, bien que l'on se soit référé ci-dessus à un piano droit, elle est évidemment transposable aux pianos à queue.It is understood that the invention is not limited to the embodiments described and shown, and in particular, although reference has been made above to an upright piano, it is obviously transposable to grand pianos .

Les applications musicales sont très importantes et variées :

  • musique contrapuntique : la pédale harmonique passionnera les débats relatifs au style et à l'interprétation,
  • musique romantique : elle permettra d'ajouter un plan sonore supplémentaire, à savoir le jeu articulé de la fonction harmonique par dessus les effets de résonance de la pédale forte,
  • transcriptions au piano d'oeuvres anciennes : on redécouvrira avec intérêt nouveau les transcriptions d'oeuvres d'orgue pour piano,
  • ouverture d'une voie différente, perspectives d'écritures nouvelles pour le piano.
The musical applications are very important and varied:
  • contrapuntal music: the harmonic pedal will fascinate debates relating to style and interpretation,
  • romantic music: it will add an additional sound plan, namely the articulated play of the harmonic function over the resonance effects of the strong pedal,
  • piano transcriptions of old works: we will rediscover with new interest the transcriptions of organ works for piano,
  • opening of a different path, perspectives of new writings for the piano.

On comprend que l'invention est applicable à des instruments existants : pour ce faire, la barre de forte d'origine est connectée à la barre harmonique prévue dans la structure selon l'invention, et la pédale de forte d'origine est remplacée par la pédale mixte selon l'invention.It is understood that the invention is applicable to existing instruments: to do this, the original forte bar is connected to the harmonic bar provided in the structure according to the invention, and the original forte pedal is replaced by the mixed pedal according to the invention.

Claims (4)

1. Musical method for conventional keyboard and struck string instruments, such as pianos, or for electronical keyboard instruments simulating the sound of said conventional instruments, of the type having, in the case of conventional instruments, a set of strings (7) each capable of being struck by a hammer actuated by a key (1), each string (7) being equipped with a muffler (6) which, in an unsollicited position, bears against the string (7) and prevents it from vibrating and which, in a sollicited position, is moved away from the string (7), the sollicitation of the mufflers (6) being either global under the effect of a common bar, called loud bar (10), actuated by a loud pedal or individual under the effect of a spoon (3) controlled by each key (1) and, in the case of electronical instruments, equivalent electronical means controlled by the keyboard and the loud pedal through a programme, characterized in that, in the case of conventional instruments, each muffler (6) is individually subjected to a separable pair of sollicitation means (9, 10) one of which (10) is associated with a harmonic bar (11) and the other of which (9) is associated with the muffler (6) and in that a so-called harmonic pedal is provided which actuates the harmonic bar (11) for moving the assembly of mufflers (6) away from the assembly of strings (7), the simultaneous depression of the harmonic pedal and of a key (1) causing the separation of the pair of sollicitation means (9, 10) in relation with the muffler (6) which equips the string (7) corresponding to this key (1) and in that, in the case of electronical instruments, said programme includes equivalent instructions controlled by said harmonic pedal, so that, in both cases, one can interrupt the effect of the loud pedal with respect to notes about to be played while keeping this effect with respect to notes which have just been played.
2. Pedal mechanism for ensuring that one can interrupt the effect of the loud pedal with respect to notes about to be played while keeping this effect with respect to notes which have just been played, for struck string musical instruments, such as pianos, of the type having a set of strings (7) each capable of being struck by a hammer actuated by a key (1), each string (7) being equipped with a muffler (6) which, in an unsollicited position, bears against the string (7) and prevents it from vibrating and which, in a sollicited position, is moved away from the string (7), the sollicitation of the mufflers (6) being either global under the effect of a common bar, called loud bar (10), actuated by a loud pedal or individual under the effect of a spoon (3) controlled by each key (1), characterized in that each muffler (6) is individually subjected to a separable pair of sollicitation means (9, 10) one of which (10) is associated with a harmonic bar (11) and the other of which (9) is associated with the muffler (6) and in that a so-called harmonic pedal is provided which actuates the harmonic bar (11) for moving the assembly of mufflers (6) away from the assembly of strings (7), the simultaneous depression of the harmonic pedal and of a key (1) causing the separation of the pair of sollicitation means (9, 10) in relation with the muffler (6) which equips the string (7) corresponding to this key (1).
3. Mechanism according to claim 2, wherein each muffler (6) is carried by a muffler support (4) characterized in that the harmonic bar (11) is mounted for rotation about its longitudinal axis and in that each pair of sollicitation means comprises an escape nut (10) projecting at the periphery of the harmonic bar (11) and able to come into and out of engagement with an escape spring (9) associated with the muffler support (4), the harmonic pedal causing, through the harmonic bar (11), said nuts (10) and said springs (9), the global sollicitation of the muffler supports (4) whereas the individual sollicitation of each muffler support (4) by the corresponding spoon (3) under the effect of the depression of a key (1) causes, when the harmonic pedal is depressed, the separation between the nut (10) and the spring (9) of the muffler support (4) corresponding to said key (1), without the subsequent release of this key (1) re-establishing engagement between said nut (10) and said spring (9).
4. Mechanism according to claim 2, characterized in that the loud pedal and the harmonic pedal form one and the same combined pedal able to be depressed half-way or totally depressed, semi-depression of the pedal corresponding to the harmonic position in which the muffler supports (4) remain accessible to the spoons (3) when the keys (1) are actuated, whereas complete depression of the pedal corresponds to the loud pedal position, in which said loud bar prevents the muffler supports (4) from returning towards the strings (7).
EP87903703A 1986-06-06 1987-06-03 Pedal mecanism for keyboard instruments Expired - Lifetime EP0271527B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87903703T ATE69116T1 (en) 1986-06-06 1987-06-03 PEDAL MECHANISM FOR KEYBOARD INSTRUMENTS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8608177 1986-06-06
FR8608177A FR2599880B1 (en) 1986-06-06 1986-06-06 NOVEL MUSICAL PROCESS FOR STRIKING INSTRUMENTS OR SIMILAR INSTRUMENTS AND PEDAL MECHANISM SUITABLE FOR THIS NEW PROCESS

Publications (2)

Publication Number Publication Date
EP0271527A1 EP0271527A1 (en) 1988-06-22
EP0271527B1 true EP0271527B1 (en) 1991-10-30

Family

ID=9336077

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87903703A Expired - Lifetime EP0271527B1 (en) 1986-06-06 1987-06-03 Pedal mecanism for keyboard instruments

Country Status (8)

Country Link
US (1) US4852445A (en)
EP (1) EP0271527B1 (en)
JP (1) JP2681275B2 (en)
KR (1) KR950011961B1 (en)
AT (1) ATE69116T1 (en)
DE (1) DE3774248D1 (en)
FR (1) FR2599880B1 (en)
WO (1) WO1987007746A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2730084B1 (en) * 1995-01-31 1997-04-04 Rochefordiere Denis De MUSICAL PROCESS FOR MUSIC INSTRUMENTS SUCH AS PIANOS AND MECHANISM FOR IMPLEMENTING SAME
JP3598942B2 (en) * 2000-05-01 2004-12-08 ヤマハ株式会社 Piano damper mechanism

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE119422C (en) *
US780944A (en) * 1903-11-25 1905-01-24 William A Earhart Piano damper-action.
US767100A (en) * 1904-01-09 1904-08-09 Charles P Blinn Piano damper-action.
FR449022A (en) * 1912-09-30 1913-02-15 Paul Croses Progressive and strong tonal system operated by a single pedal, for upright and grand piano

Also Published As

Publication number Publication date
JPH01500301A (en) 1989-02-02
KR950011961B1 (en) 1995-10-12
EP0271527A1 (en) 1988-06-22
JP2681275B2 (en) 1997-11-26
FR2599880A1 (en) 1987-12-11
WO1987007746A1 (en) 1987-12-17
FR2599880B1 (en) 1988-09-23
KR880701432A (en) 1988-07-27
ATE69116T1 (en) 1991-11-15
DE3774248D1 (en) 1991-12-05
US4852445A (en) 1989-08-01

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