EP3242570B1 - Einstellungssystem für eine uhr oder schmuckstück - Google Patents

Einstellungssystem für eine uhr oder schmuckstück Download PDF

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Publication number
EP3242570B1
EP3242570B1 EP16700853.1A EP16700853A EP3242570B1 EP 3242570 B1 EP3242570 B1 EP 3242570B1 EP 16700853 A EP16700853 A EP 16700853A EP 3242570 B1 EP3242570 B1 EP 3242570B1
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EP
European Patent Office
Prior art keywords
setting system
spring
crimping support
crimping
support
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EP16700853.1A
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English (en)
French (fr)
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EP3242570A1 (de
Inventor
Gabriel Chevallier
Romain MOYSE
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Cartier International AG
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Cartier International AG
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Publication of EP3242570A1 publication Critical patent/EP3242570A1/de
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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C17/00—Gems or the like
    • A44C17/02—Settings for holding gems or the like, e.g. for ornaments or decorations
    • A44C17/0275—Settings for holding gems or the like, e.g. for ornaments or decorations in an oscillating way
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/04—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached ornaments or amusement apparatus
    • G04B47/042—Fastening of jewels and the like

Definitions

  • the present invention relates to a crimping system for a timepiece or jewelery in which a gemstone is mounted to give a visual effect of vibration of the stone.
  • the present invention also relates to a watch face and a timepiece or jewelery including such a crimping system.
  • crimping systems allow to mount one or more precious stones to a support.
  • the stone When the stone is fixedly mounted on the support, it is difficult to see the light reflected through the different facets of the stone since the movements of the stone are very small.
  • Such an arrangement is therefore not optimal when looking for a certain animation effect.
  • crimping systems include spring elements or optical means to produce an animation effect.
  • a jewelery item has diamonds being illuminated with an illumination source.
  • a controller controls the illumination source so as to vary the intensity of the light emitted by the source, thus making it possible to better highlight the optical effects of the diamond.
  • it is often undesirable to use electronic devices in timepieces or high-end jewelry.
  • the document EP2510824 discloses a jewelery article comprising a precious stone fixed in a kitten mounted on a pivotal element made of plastic or elastomer. Although the whole kitten stone can move, its movement on the pivot element does not give a visual effect of vibration of the stone.
  • the utility model RU100367U describes a jewelery item comprising a gemstone set in a washer-shaped kitten, this set of stone-kitten is bonded to a base of the article by a cylindrical spring.
  • the vibration of the stone mounted on the spring causes a refraction effect of the light.
  • Fixing the ends of the spring to the kitten and the base is however complicated and delicate.
  • small springs which are required in the case of small stones, they may be excessively deformed when the stone moves from its original position, thereby disturbing the vibration movement of the stone and therefore the aesthetics of the room.
  • the dimensioning of the spring so as to obtain the desired visual effect makes it fragile and the spring can also be irreversibly deformed by shocks.
  • the patent application WO2012 / 115458 discloses a jewelery article comprising a ring-shaped carrier having a hollow sector in which a kitten is mounted by means of a spiral or conical spring.
  • the ends of the spring are fixed in grooves in the support and in the kitten respectively, and the kitten is oscillated under the effect of external excitations on the support.
  • a pin is mounted through the upper part of the kitten, each end of the pin being housed in the support in a plane parallel to the plane of the spring (the spring being attached to a lower part of the kitten) .
  • the pin is used to prevent the separation of the kitten and the support in case of major shocks.
  • the lower part of the kitten can only vibrate in a direction perpendicular to the pin in the plane of the spring, and the upper part of the kitten remains effectively secured to the support 1.
  • the systems as drawn and presented in these prior art are not configured to give a visual effect of vibration, or even a frequency of vibration, sufficiently useful for an observer, especially in the case of small stones, such as as the size of stones typically used to crimp a high-density dial or watch case.
  • An object of the present invention is to provide a crimping system for a timepiece or jewelery free of limitations of the prior art known.
  • Another object of the invention is to obtain a crimping system having a much easier and reliable assembly of the stone in comparison with known systems, and being better adapted to the use of small stones.
  • a crimping system comprising: a crimping support; a gemstone mounted in or on the crimping support; an elastic member attached to the crimping support so as to flexibly connect the crimping support to said article; the elastic element having a stiffness of between 1.2x10 -5 N / m and 1.4x10 +1 N / m; and the combined weight of the crimping support and the gemstone is between 3x10 -4 g and 4x10 -1 g, so that the crimping support can be oscillated and maintained by movements of the wearer of the article; and, when in oscillation, the crimping support oscillates in axial and / or radial movement with respect to an axis of symmetry with an oscillation frequency between 1 Hz and 30 Hz.
  • the present invention also relates to a dial of a timepiece and a timepiece or jewelery comprising said crimping system and a method of manufacturing the elastic element of the crimping system.
  • the crimping system, and the assembly comprising a plurality of crimping systems can be advantageously included in an article such as a jewel or a timepiece, so as to produce a visual effect by the oscillation of the crimping systems following external stimulation (movement of the wearer) of the article.
  • a crimping system 1 for a timepiece 6 or jewelery is illustrated in FIG. figure 1 according to one embodiment.
  • the crimping system 1 comprises a crimping support 3, or kitten, in which is mounted a gemstone 2, such as a diamond, ruby, sapphire or emerald.
  • a gemstone means at least one gemstone 2, the support 3 being able to support a plurality of precious stones 2.
  • the expression “gemstone” can also include any type of stone, such as fine stones.
  • An elastic element 5 fixed to the crimping support 3 flexibly connects the crimping support 3 to the article 6.
  • the elastic element 5 extends axially between the crimping support 3 and the article 6.
  • the stone 2 can oscillate or vibrate on the elastic member 5 following a movement of the article 6 (that is, so that the crimping support, and thus the stone, can oscillate or vibrate on the elastic element 5 following a movement of the article 6).
  • the end 17 of the elastic element 5 fixed on the article 6 remains fixed while the rest of the elastic element 5 deforms elastically under the effect of the acceleration of the mass of the stone 2 and the crimping support 3.
  • the stiffness of the elastic element 5, the mass of the stone 2 and the crimping support 3, as well as the intensity of the shock are the main factors defining the frequency of the vibrations (or oscillations) of the stone 2.
  • the oscillation of the stone 2 is in a motion radial with respect to an axis of symmetry 15 and an axial movement with respect to this same axis 15.
  • the crimping system 1 As the crimping system 1 is intended for a timepiece 6 or jewelry, it must be arranged to be able to create an animation, for example on a watch dial, based on a vibration of the stone. In other words, the crimping system 1 must be configured so that the vibration of the stone is visible. The vibration must also be sustainable in time and in its environment of use. On the other hand, so as to accommodate the crimping system 1, for example, between the dial and the ice of the watch, on a bezel, a jewel, its size must be minimal and the dimensions of the crimping system 1 must be reduced. This difficulty is exacerbated when a large number of stones are set high density on the support.
  • the oscillation frequency of stone 2 must be adapted to the retinal persistence. Below about 30 cycles per second, see 25 cycles per second, the human perceives the cycles. We can say that a vibration whose frequency is lower than 30 Hz is visible to the human eye. The range of motion must also be large enough to be perceived.
  • the decay of the amplitude of the oscillations in time ie the damping, must be at least greater than one period of the oscillation, and in practice include several periods, so that a actual vibration impression is perceived by the human eye. Preferably, the vibration is maintained.
  • the crimping system 1 can be considered with the combination of the crimping support 3 and the stone 2 having a mass M, and an elastic element 5 having a stiffness K.
  • the stiffness is the characteristic which indicates the resistance to deformation elastic of a body.
  • the ratio of the stiffness K to the mass M determines the vibration frequencies according to the possible directions of displacement (degrees of freedom) of the crimping system 1, and therefore the frequency oscillation of the crimping system 1 which must be less than 30 Hz, see 25 Hz.
  • the vibration of the crimping system 1 is thus determined by the amplitude and the frequency according to certain modes of vibration. Are the amplitude and frequency of vibration defined by the materials composing the system and the geometry of the elements.
  • the crimping system 1 must also be configured so that the vibration can be initiated by natural movements of the wearer of the timepiece 6 or jewelery.
  • the vibration of the crimping system 1 should also be maintained over time by these same natural movements of the wearer.
  • Equation (3) makes it possible to determine the minimum and maximum stiffness values K for the elastic element 5 making it possible to vibrate the crimping support 3 with the stone 2 in the frequency range between 1 Hz and 30 Hz.
  • the figure 7 shows calculated values of the stiffness K as a function of the mass M of the crimping support assembly 3 and stone 2 giving rise to vibration frequencies perceived by the human eye, that is to say between 1Hz and 30Hz.
  • Table 1 reports spring sizing values allowing a mass to vibrate in perceptible frequencies (1Hz to 30Hz).
  • the elastic element 5 has a stiffness K between 1.2x10 -5 N / m and 1.4x10 +1 N / m and the mass M combined with the crimping support 3 and the gemstone 2 is included between 3x10 -4 g and 4x10 -1 g (see figure 7 ).
  • the crimping support 3 can oscillate according to an axial and / or radial movement, following a movement of the article 6, with an oscillation frequency of between 1 Hz and 30 Hz with respect to the axis of rotation. symmetry 15.
  • the combined mass M of the crimping support 3 and the gemstone 2 is between 1x10 -3 g and 1x10 -1 g, and the stiffness K of the elastic element 5 is between 3.9x10 -5 N / m and 3.6 N / m.
  • the combined mass M of the crimping support 3 and the gemstone 2 is between 1x10 -2 g and 5x10 -2 g, and the stiffness K of the elastic element 5 is between 3.9x10 -4 N / m and 1.8 N / m.
  • the crimping support 3 can oscillate according to an axial and / or radial movement, following a movement of the article 6, with an oscillation frequency of between 10 Hz and 20 Hz relative to the axis of symmetry 15, the combined mass M of the crimping support 3 and the gemstone 2 is between 1x10 -2 g and 5x10 -2 g, and the stiffness K of the elastic element 5 is included between 3.9x10 -2 N / m and 7.9x10 -1 N / m.
  • the frequency and amplitude of oscillation movement following an impact under Article 6 may be limited by a combination of stiffness of the elastic element 5 and the combined mass of the crimping support 3 and the gemstone 2.
  • the elastic member comprises a coil-shaped spring 5 (hereinafter "coil spring”).
  • coil spring comprising helically wound turns 10 makes it possible to obtain an elastic element having both a maximum length and a minimum space requirement.
  • the elastic element comprises a helical spring 5 of cylindrical section.
  • the crimping support 3 comprises a peg 30, integral with the crimping support 3 and being housed, at least in part, in a first end 13 of the spring 5, so as to fix the peg 30 to the elastic element 5 by Tightening.
  • the second end 17 of the spring 5 is fixed in Article 6 by at least one of the methods comprising clamping, driving, clipping or welding, or any other suitable method.
  • a helical spring oscillates mainly in bending, it allows a tilting oscillation mode, that is to say an oscillation according to a radial movement, illustrated by the arrow numbered 151 on the figure 1 .
  • the helical spring also allows a pumping mode of oscillation, that is to say an oscillation according to an axial movement, illustrated by the arrow numbered 152 on the figure 1 .
  • This mode of oscillation tends to be negligible compared to the oscillation according to the radial movement.
  • the amplitude of the axial movement of the spring 5 towards the article 6 is limited by the compression of the turns 10 of the spring 5.
  • the figure 2 shows the crimping system 1 seen from above (stone side 2) and the oscillation according to the radial movement 151 which describes an ellipse.
  • the radial movement promotes a flickering effect of the stone 2.
  • the crimping support 3 may comprise a frontal portion 9 of frustoconical shape and serving as a seat for the cylinder head 8 of the stone 2.
  • the inclination of the profile 7 of the front portion 9 can be arranged so as to maintain the yoke 8.
  • the support 3 may also comprise a bore 16 coaxial with the support 3.
  • the second end 17 of the spring 5 is fixed to the article 6 by means of a pin 14.
  • the pin 14 is fixed, for example by driving or by screwing, in the article 6 and the second end 17 of the spring 5 is fixed, for example by clamping, on the pin 14.
  • the distal end of the bar 18 passes through a hole in the pin 14 and is fixed to the support 6 by a suitable method, such as driving, clamping or clipping.
  • the figure 3 shows a crimping system 1 like that of the figure 1 , in which the first end 13 of the helical spring 5 of cylindrical section comprises an axial groove 12 which acts as a slit of elasticity, for absorbing radially elastically and / or plastically deformed at least a part of the driving force of the pin 30 on the spring 5.
  • Such axial groove 12 may also be provided at the second end 17 of the spring 5, for example to facilitate the driving, when the spring 5 is driven into the pin 14.
  • the coil spring 5 may also be of conical section. Such a crimping system with a helical spring 5 of conical section is shown in FIG. figure 4 .
  • the helical spring 5 is produced by a helical laser cut of a tube 501.
  • the cut can be made by rotating the tube 501 about its axis of symmetry 503 and simultaneously by advancing the tube 501, so that a fixed laser beam 502 can cut the helical shape of the turns 10.
  • a tube 501 whose helical cut has been partially performed.
  • the tube 501 can be mounted on a bar 504.
  • the tube 501 to be cut is fixed and the laser is movable.
  • the laser is femtosecond laser type, which is suitable for machining small objects.
  • the speed of rotation of the tube 501 is determined from the diameter d of the tube 501 to correspond to a sublimation speed of the material of the tube 501 conditioned by the properties of the laser beam and the material of the tube 501.
  • the advance of the tube 501 that is to say its speed of movement along the axis of symmetry 503, is then determined in such a way that the displacement of the tube, along the axis of symmetry 503 and for a time corresponding to a complete revolution of the tube 501, with the speed of rotation determined above, corresponds to the desired turn thickness 10 for the spring 5 to be produced.
  • This determination is valid for a sublimation diameter generated by the laser, or for a certain energy level (or power and pulsation) of the laser.
  • the advance of the tube 501 and its rotation thus define the pitch and the height of the turns 10 of the spring 5 thus manufactured.
  • the thickness of the turns 10 is defined by the thickness of the wall of the tube 501.
  • the section of the turns 10 is rectangular.
  • the axial groove 12 can be cut during the process described above.
  • the cut is initiated at one end of the tube 510 by the formation of the axial groove 12, for example at the first end 13, and is continued by the cutting of the turns 10.
  • the cut is completed at the other end of the tube 510 by the formation of another axial groove 12, for example at the second end 17.
  • the figure 6 represents a helical spring 5 made by cutting in a tube. A detail of the turns 10 is also shown.
  • the stiffness of the spring 5 depends on the material in which the spring 5 is made; the length of the spring 5, defined by the diameter of the helicoid, the pitch, and the height H; and the section of the turns 10 which is determined by the thickness e of the wall of the tube 501 and by the height h of the turns 10.
  • the height of the turns 10 is defined by the pitch and the space between the turns 10 (c that is, the amount of material cut between two turns).
  • the shape of the coil spring 5 having a small footprint favors a dense implantation of the crimping system 1 on an article 6 (jewel, watch dial, etc.) because the diameter D of the spring 5 can be smaller than the dimensions of the crimping support 3 and stone 2.
  • a plurality of crimping systems 1 can be arranged on the article 6 so that the stones 2 are brought closer to each other.
  • the diameter D of the spring 5 can be determined by the fixing means 14.
  • the size of the crimping system 1 can be reduced by maximizing the mass of the crimping support 3, which enables the size of the support 3 to be reduced.
  • the crimping support 3 can be made of a material having a high density. , such as gold or a gold alloy.
  • the size of the crimping system 1 can also be minimized by a turn section 10 as small as possible.
  • the thickness of the tube, and therefore of the turns 10 is preferably greater than 20 microns and still preferably greater than 40 microns.
  • the height h of the turns 10 makes it possible to adjust the stiffness K of the spring 5 so as to obtain an aesthetic vibration frequency, that is to say an oscillation frequency of between 1 Hz and 30 Hz, depending on the mass of the system. It should be noted here that other parameters of the spring 5, such as the component material, can be adjusted to obtain different frequencies.
  • the choice of adjusting the height h of the turns rests on practical reasons, such as the adjustment of the laser.
  • the pitch may be as small as possible so as to have a length L of the large elastic element 5 and thus to reduce the height H of the spring 5.
  • the height h of turn may be the most possible weak so that the length L of the elastic element 5 must no longer be maximum.
  • the stiffness K of 5, in its axial direction promotes the crushing of a turn 10 on the other and thus of the decrease in the space between the turns 10. It is not desirable, however, that the turns 10 touch each other when vibration to minimize the damping of the vibration.
  • the length L of the spring element 5 and the height of the turns 10 are therefore preferably between a maximum length L and a minimum turn height h. These dimensions will minimize the vibration of the spring in an axial movement.
  • the spring element comprises a flat spring 50 extending radially from the crimping support 3.
  • This flat spring can be manufactured by the method described above, for example by cutting into a plate.
  • the flat spring 50 is mounted on a first rigid support member 22 extending radially and attachable to the article 6 and having a first opening 220.
  • the flat spring 50 allows the crimping support 3, and therefore to the stone 2, to oscillate or vibrate radially and axially by deformation of the spring 50 following a movement of the article 6.
  • the crimping system 1 comprises a second support member 24 extending radially over the first support element 22.
  • the second support element 24 has a second opening 240 concentric with the first opening 220.
  • the radial oscillation amplitude of the stone 2 is limited by the crimping support 3 abutting against the side wall 241 of the opening 240.
  • the crimping support 3 may also comprise an ankle 30 extending distally in the first support member 22.
  • the radial movement 1 of the stone 2 is limited by the pin 30 of the crimping support 3 abutting against a wall 221 of the first opening 220, thus limiting the radial movement of the stone 2.

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Claims (18)

  1. Einfassungssystem (1) für ein Zeitmessgerät (6) oder Schmuckstück, umfassend:
    einen Einfassungsträger (3);
    einen Edelstein (2), der in oder auf dem Einfassungsträger (3) angebracht ist;
    ein elastisches Element (5), das am Einfassungsträger (3) befestigt ist, um den Einfassungsträger (3) flexibel mit dem besagten Artikel (6) zu verbinden,
    dadurch gekennzeichnet, dass
    das elastische Element (5) eine Steifigkeit zwischen 1,2 × 10-5 N/m und 1,4 × 10+1 N/m; aufweist; und
    die kombinierte Masse des Einfassungsträgers (3) und des Edelsteins (2) zwischen 3 × 10-4 g und 4 × 10-1 g liegt;
    so dass der Einfassungsträger (3) durch Bewegungen des Trägers des Artikels (6) in Schwingung versetzt und gehalten werden kann; und während den Schwingungen, der Einfassungsträger (3) in einer axialen und/oder radialen Bewegung in Bezug auf eine Symmetrieachse (15) mit einer Schwingfrequenz zwischen 1 Hz und 30 Hz oszilliert.
  2. Einfassungssystem (1) gemäss Anspruch 1, worin das elastische Element (5) eine Steifigkeit zwischen 3,9 × 10-5 N/m und 3,6 N/m aufweist; und die kombinierte Masse des Einfassungsträgers (3) und des Edelsteins (2) zwischen 1 × 10-3 g und 1 × 10-1 g liegt.
  3. Einfassungssystem (1) gemäss Anspruch 1, worin das elastische Element (5) eine Steifigkeit zwischen 3,9 × 10-4 N/m und 1,8 N/m aufweist; und die kombinierte Masse des Einfassungsträgers (3) und des Edelsteins (2) zwischen 1 × 10-2 g und 5 × 10-2 g liegt.
  4. Einfassungssystem (1) gemäss Anspruch 1, worin der Einfassungsträger (3) in axialer und/oder radialer Bewegung in Bezug auf eine Symmetrieachse (15) mit einer Schwingfrequenz zwischen 10 Hz und 20 Hz oszilliert; und worin das elastische Element (5) eine Steifigkeit zwischen 3,9 × 10-2 N/m und 7,9 × 10-1 N/m aufweist; und worin die kombinierte Masse des Einfassungsträgers (3) und des Edelsteins (2) zwischen 1 × 10-2 g und 5 × 10-2 g liegt.
  5. Einfassungssystem (1) gemäss einem der Ansprüche 1 bis 4, worin die Frequenz der Schwingbewegung durch eine Kombination der Steifigkeit des elastischen Elements (5) und der kombinierten Masse des Einfassungsträgers (3) und des Edelsteins (2) eingeschränkt ist.
  6. Einfassungssystem (1) gemäss einem der Ansprüche 1 bis 5, worin das elastische Element eine Blattfeder umfasst, die sich radial vom Einfassungsträger (3) erstreckt.
  7. Einfassungssystem (1) gemäss einem der Ansprüche 1 bis 5, worin sich das elastische Element (5) axial zwischen dem Einfassungsträger (3) und dem Stück (6) erstreckt.
  8. Einfassungssystem (1) gemäss Anspruch 7, worin das elastische Element eine schraubenförmige vertikale Evolventenfeder (5) umfasst.
  9. Einfassungssystem (1) gemäss Anspruch 8, worin die Feder (5) einen konischen Querschnitt aufweist.
  10. Einfassungssystem (1) gemäss Anspruch 8, worin die Feder (5) einen zylindrischen Querschnitt aufweist.
  11. Einfassungssystem (1) gemäss einem der Ansprüche 6 bis 10, worin der Querschnitt der Windungen (10) der Feder rechteckig ist.
  12. Einfassungssystem (1) gemäss einem der Ansprüche 7 bis 11, worin die Amplitude der axialen Bewegung der Feder (5) in Richtung des Stücks (6) durch das Zusammendrücken der Windungen (10) der Feder (5) eingeschränkt wird.
  13. Einfassungssystem (1) gemäss einem der Ansprüche 1 bis 12, worin der Stein (2) ein Diamant ist und der Einfassungsträger (3) aus Gold oder einer Goldlegierung hergestellt ist.
  14. Zifferblatt eines Zeitmessgeräts mit dem Einfassungssystem (1) gemäss einem der Ansprüche 1 bis 13.
  15. Zeitmessgerät oder Schmuckstück (6), mit dem Einfassungssystem (1), welches durch einen der Ansprüche 1 bis 13 gekennzeichnet ist.
  16. Verfahren zur Herstellung des elastischen Elements (5) für das Einfassungssystem (1) gemäss einem der Ansprüche 1 bis 13, mit einem Laserschnitt einer Röhre (501) oder einer Platte.
  17. Herstellungsverfahren gemäss Anspruch 16, mit dem Laserschneiden einer Röhre (501), und worin das Schneiden durch Drehen der Röhre (501) um ihre Symmetrieachse (503) und gleichzeitiges Vorschieben der Röhre (501) durchgeführt wird (501), um die Windungen (10) zu bilden.
  18. Herstellungsverfahren gemäss Anspruch 16 oder 17, worin die Dicke der Röhre (501) vorzugsweise grösser als 20µm und noch bevorzugter grösser als 40µm ist.
EP16700853.1A 2015-01-07 2016-01-04 Einstellungssystem für eine uhr oder schmuckstück Active EP3242570B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00019/15A CH710598A1 (fr) 2015-01-07 2015-01-07 Système de sertissage pour un article d'horlogerie ou de joaillerie
PCT/IB2016/050020 WO2016110791A1 (fr) 2015-01-07 2016-01-04 Système de sertissage pour un article d'horlogerie ou de joaillerie

Publications (2)

Publication Number Publication Date
EP3242570A1 EP3242570A1 (de) 2017-11-15
EP3242570B1 true EP3242570B1 (de) 2018-11-28

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EP16700853.1A Active EP3242570B1 (de) 2015-01-07 2016-01-04 Einstellungssystem für eine uhr oder schmuckstück

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US (1) US10750832B2 (de)
EP (1) EP3242570B1 (de)
CN (1) CN107427110B (de)
CH (1) CH710598A1 (de)
WO (1) WO2016110791A1 (de)

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US20220189012A1 (en) * 2019-01-14 2022-06-16 Aiinsight Inc. Deep learning architecture system for automatic fundus image reading and automatic fundus image reading method using deep learning architecture system
EP4012511B1 (de) * 2020-12-11 2023-08-23 Montres Breguet S.A. Verfahren zum harmonischen stimmen mindestens eines klangs eines schlagwerkmechanismus einer armbanduhr

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US10750832B2 (en) 2020-08-25
CN107427110A (zh) 2017-12-01
WO2016110791A1 (fr) 2016-07-14
US20180014612A1 (en) 2018-01-18
CN107427110B (zh) 2019-05-10
EP3242570A1 (de) 2017-11-15
CH710598A1 (fr) 2016-07-15

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