EP2908191B1 - Frequenzregulierung eines Uhrresonators durch Einwirkung auf die Steifheit eines elastischen Rückstellmittels - Google Patents

Frequenzregulierung eines Uhrresonators durch Einwirkung auf die Steifheit eines elastischen Rückstellmittels Download PDF

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Publication number
EP2908191B1
EP2908191B1 EP15153321.3A EP15153321A EP2908191B1 EP 2908191 B1 EP2908191 B1 EP 2908191B1 EP 15153321 A EP15153321 A EP 15153321A EP 2908191 B1 EP2908191 B1 EP 2908191B1
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EP
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Prior art keywords
resonator mechanism
resonator
frequency
return means
periodic
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EP15153321.3A
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English (en)
French (fr)
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EP2908191A3 (de
EP2908191A2 (de
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Thierry Hessler
Davide Sarchi
Marc Stranczl
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Swatch Group Research and Development SA
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Swatch Group Research and Development SA
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B18/00—Mechanisms for setting frequency
    • G04B18/02—Regulator or adjustment devices; Indexing devices, e.g. raquettes
    • 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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/06—Oscillators with hairsprings, e.g. balance
    • G04B17/063—Balance construction
    • 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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/26—Compensation of mechanisms for stabilising frequency for the effect of variations of the impulses
    • 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
    • G04B18/00—Mechanisms for setting frequency
    • G04B18/04—Adjusting the beat of the pendulum, balance, or the like, e.g. putting into beat

Definitions

  • the invention relates to a method of maintenance and frequency regulation, around its natural frequency, of a clock resonator mechanism comprising at least one elastic return means which comprises at least one hairspring or a twist wire or a flexible guidance, in which at least one regulating device is used which acts on said resonator mechanism with a periodic movement.
  • the invention also relates to a timepiece movement comprising at least one clock resonator mechanism designed to oscillate at a natural frequency, said clock resonator mechanism comprising at least one elastic return means comprising at least one hairspring or wire. torsion or flexible guidance.
  • the invention also relates to a timepiece, more particularly a watch, comprising at least one such timepiece movement.
  • the invention relates to the field of time bases in mechanical watchmaking, in particular based on a balance-spring balance spring mechanism.
  • the document EP 1 843 227 A1 from the same applicant describes a coupled resonator comprising a first low frequency resonator for example of the order of a few hertz and a second higher frequency resonator, for example of the order of a kilohertz.
  • the invention is characterized in that the first resonator and the second resonator comprise permanent mechanical coupling means, said coupling making it possible to stabilize the frequency in the event of external disturbances, for example in the event of shocks.
  • the document CH 615 314 A3 on behalf of PATEK PHILIPPE SA describes a mobile clock movement regulation assembly, comprising an oscillating balance mechanically maintained by a spiral spring, and a vibrating member coupled magnetically with a fixed member for synchronizing the balance.
  • the balance and the vibrating member are constituted by a single mobile element vibrating and oscillating simultaneously.
  • the vibration frequency of the vibrating member is an integer multiple of the balance's oscillation frequency.
  • the invention proposes to manufacture the most precise time base possible.
  • the invention relates to a method of maintenance and frequency regulation, around its natural frequency, of a clock resonator mechanism, according to claim 1.
  • the invention also relates to a timepiece movement comprising at least one clock resonator mechanism designed to oscillate at a natural frequency, said clock resonator mechanism comprising at least one elastic return means comprising at least one hairspring or wire. torsion or flexible guide according to claim 7.
  • the invention also relates to a timepiece, more particularly a watch, comprising at least one such timepiece movement.
  • the object of the invention is to manufacture a time base to make a mechanical timepiece, in particular a mechanical watch, as precise as possible.
  • a parametric resonator system makes it possible to reduce the influence of the escapement and thus make the watch more precise.
  • a parametric oscillator uses, for the maintenance of the oscillations, a parametric actuation which consists in varying one of the parameters of the oscillator with a regulation frequency ⁇ R between 0.9 times and 1.1 times the value of a multiple integer of the natural frequency ⁇ 0 of the oscillator system to be regulated, this integer being greater than or equal to 2, and which is preferably an integer multiple, in particular double, of the natural frequency ⁇ 0.
  • regulator 2 the oscillator which is used for the maintenance and frequency regulation of the other maintained system, which is called “the resonator” 1.
  • T is the kinetic energy
  • V the potential energy and inertia I ( t )
  • x is the generalized coordinate of the resonator.
  • the function f (t) takes the value 0 in the case of a non-forced oscillator. This function f (t) can also be a periodic function, or even be representative of a Dirac type pulse.
  • the invention consists in varying, by the action of a maintenance oscillator or regulator, one or the other, or all, the terms ⁇ (t), w (t), by modifying at least the real part of the stiffness, with a regulation frequency wR which is between 0.9 times and 1.1 times the value of an integer multiple, this integer being greater than or equal to 2, in particular double, of the natural frequency ⁇ 0 of the oscillator system at regulate.
  • the regulation frequency ⁇ R is an integer multiple, in particular double, of the natural frequency ⁇ 0 of the resonator system to be regulated.
  • the rest position x 0 (t) varies simultaneously with the parameters ⁇ (t), ⁇ (t), with a regulation frequency ⁇ R which is between 0.9 times and 1.1 times the value of a multiple integer, this integer being greater than or equal to 2, in particular double, of the natural frequency ⁇ 0 of the oscillator system to be regulated.
  • all the terms ⁇ (t), ⁇ (t), x 0 (t), vary with a regulation frequency wR which is preferably an integer multiple, in particular double, of the natural frequency ⁇ 0 of the resonator system to be regulated.
  • the maintenance oscillator or regulator in addition to modulating the parametric terms, also introduces a non-parametric maintenance term f (t), the amplitude of which is negligible once the parametric regime is reached [ WB Case, The pumping of a swing from the standing position, Am. J. Phys. 64, 215 (1996 )].
  • the forcing term f (t) can be introduced by a second maintenance mechanism.
  • the principle can be taken up in a timepiece or a watch which includes a mechanical balance-spring with a balance spring, with one end of the balance spring fixed to a ferrule secured to the balance, and the other end fixed to a stud.
  • Parametric maintenance of such a balance-spring system can in particular be achieved by making this peg movable, periodically.
  • the oscillation can be maintained and the accuracy of the system is notoriously improved.
  • maintenance is advantageously carried out with a whole multiple frequency, in particular double, of the frequency of the resonator maintained.
  • Mechanical means of maintenance can take different forms.
  • a variant of the present invention consists in varying the rigidity of the hairspring.
  • Excitation at twice the frequency can be carried out with a square signal, or even with a pulse signal, it is not essential to have a sinusoidal excitation.
  • the maintenance regulator does not need to be very precise: its possible lack of precision results only in a loss of amplitude, but without variation of the frequency (except of course if this frequency is very variable, which is to be avoided).
  • these two oscillators, maintenance regulator and maintained resonator are not coupled, but one maintains the other, in one direction.
  • the invention differs from coupled oscillators known elsewhere: in fact, in the implementation of the invention, one does not want reversibility of the transfer of energy between two oscillators, but rather, in the wherever possible, a one-way energy transfer from one oscillator to the other.
  • the invention relates more particularly to the frequency regulation of a timepiece resonator by action on the rigidity of an elastic return means.
  • the invention relates to a method for regulating the frequency of a clockwork resonator mechanism 1 around its natural frequency ⁇ 0.
  • This method implements at least one regulating device 2 which prints a periodic movement to at least one component of the resonator mechanism 1 or to a tool influencing the position or the rigidity of such a component of the resonator mechanism 1.
  • this periodic movement requires periodic modulation at least of the resonance frequency of the resonator mechanism 1, by acting at least on the rigidity of an elastic return means that this resonator mechanism 1 comprises, with a regulation frequency wR which is understood between 0.9 times and 1.1 times the value of an integer multiple of the natural frequency ⁇ 0, this integer being greater than or equal to 2 and less than or equal to 10.
  • the periodic movement imposes a periodic modulation of the resonance frequency of the resonator mechanism 1, by imposing both a modulation of the rigidity of the resonator mechanism 1 and an inertia modulation of the mechanism resonator 1.
  • the periodic movement requires a periodic modulation of the resonance frequency of the resonator mechanism 1, by imposing a modulation of the section of an elastic return means, in particular but not limited to a spring, which comprises said resonator mechanism 1 and / or a modulation of the modulus of elasticity of an elastic return means that comprises the resonator mechanism 1, and / or a modulation of the shape of an elastic return means that includes the resonator mechanism 1.
  • a modulation of the section of an elastic return means in particular but not limited to a spring, which comprises said resonator mechanism 1 and / or a modulation of the modulus of elasticity of an elastic return means that comprises the resonator mechanism 1, and / or a modulation of the shape of an elastic return means that includes the resonator mechanism 1.
  • this periodic movement can, again, impose a periodic modulation of the resonance frequency of the resonator mechanism 1, by imposing, again, a modulation of the active length of an elastic return means, in particular of a spring. , which includes this resonator mechanism 1.
  • the periodic movement requires a periodic modulation of the resonance frequency of the resonator mechanism 1 by imposing both a modulation of the rigidity of the resonator mechanism 1, and a modulation of the position of the point of the resonator mechanism 1.
  • At least one said regulating device 2 is implemented which imparts a periodic movement to at least one component of the resonator mechanism 1, or to a tool influencing the position of such a component of the resonator mechanism 1, and this periodic movement is printed on a resonator mechanism 1 comprising at least one elastic return means 40 comprising at least one hairspring 4 or a twist wire 46, or a flexible elastic guide, in particular with virtual pivot (such as butterfly guide, or RCC 4 necks, combination of flexible blades, or set of crossed blades, or similar, achievable in a single piece by technologies of micro-machinable materials, "MEMS", “LIGA” or similar), and at least one said regulating device 2 by controlling a periodic variation in the rigidity of the elastic return means 40 by modulating its section and / or its modulus of elasticity and / or its form e and / or the constraints at its fixing points.
  • MEMS micro-machinable materials
  • shape modulation is meant here a deformation, under the effect of an external stress, compared to the empty form of the elastic return means, and not the normal deformation in service that takes for example a spiral spring during its contraction and its elongation. It is for example a deformation induced by a contact, by an aerodynamic friction, a contactless force such as a force of magnetic or electrostatic origin, or other.
  • the elastic return means 40 considered here is the means used to ensure the frequency of oscillation of the resonator mechanism 1.
  • the preferred application of the invention relates to watches, particularly for an application where the elastic return means 40 is constituted by a twist wire.
  • this method is applied to a resonator mechanism 1 comprising at least one elastic return means 40 comprising at least one hairspring 4 or a twist wire 46 or a flexible guide 46, and at least one such device is operated.
  • regulator 2 by controlling a periodic variation of the real part and / or the imaginary part of the rigidity of this elastic return means 40, the real part of the rigidity defining the frequency of this resonator mechanism 1, and the imaginary part of the rigidity defining the quality factor of this resonator mechanism 1.
  • this method is applied to a balance-spring assembly 3, the hairspring 4 of which constitutes the elastic return means 40 and is held between a stud 5 at a first external end 6 and a ferrule 7 at a second internal end 8, and at least one such is acted regulating device 2 by controlling a periodic variation of the real part and / or the imaginary part of the stiffness of the hairspring 4.
  • the external terminal curve 17 of the hairspring 4 is locally doubled by an additional turn 18 fixed to this hairspring 4 at at least a first junction point 19, and twists in opposite directions are made periodically with the regulating device 2 external terminal curve 17 and on the additional turn 18, acting on the stud 5 for the external terminal curve 17, and on an end 18A opposite this first junction point 19 of the additional turn 18 for the additional turn 18.
  • This double torsion has the advantage of allowing the modification of the stiffness of the balance spring, without modifying its position in its plane.
  • the external terminal curve 17 of the hairspring 4 is locally doubled by an additional turn 18 fixed to this hairspring 4 at at least a first junction point 19, and a movement is made periodically with the regulating device 2 a movement on an opposite end 18A at this first junction point 19 of the additional turn 18.
  • This modifies the rigidity of the external terminal curve, and therefore that of the hairspring. It is also possible to use the regulating device 2 to move the stud 5 and the end 18A.
  • an arm 20 is fixed to the external terminal curve 17 of the hairspring 4 at at least a second junction point 21, and a movement is made periodically with the regulating device 2 on an end 22 of the arm 20 opposite this second point junction 21.
  • the arm 20 is chosen which is more rigid than the external terminal curve 17.
  • the hairspring 4 is produced with at least two conductive strips 41, 42, separated by insulating elements 43 and such a regulating device 2 is used to periodically apply a field to the two strips 41, 42, so as to modify the difference E1 (( figure 7A ) or E2 ( figure 7B ) between these two blades 41,42, and thus to modify the total section and the rigidity of the hairspring 4.
  • a different field is periodically applied to them.
  • the two blades 41, 42 are subjected to a different electromagnetic and / or electrostatic and / or magnetostatic field by a movement imparted to a ferromagnetic or magnetized polar mass or electrostatically conductive or electrified (in particular magnets or electrets) nearby. immediate of each blade so as to give rise to an electric or magnetic or electrostatic or magnetostatic force between them, and to approach or distance them from each other.
  • the rigidity of hairspring 4 is modified because its section varies.
  • the movement is preferably printed mechanically on these polar masses.
  • the two blades 41, 42 are subjected to an electric or electrostatic field so as to locally polarize the hairspring 4 and locally modify its rigidity 4.
  • such a regulating device 2 comprising a rotary mobile 28 equipped with magnets 29 at its periphery and whose field cooperates periodically with at least one magnet 45 placed on the hairspring 4 (one can imagine placing the magnet on the side of the ferrule), to periodically change the stiffness of the balance spring 4.
  • the prestress of the balance spring and the radial position of the counting point are also changed periodically.
  • a rotary mobile 28 inhomogeneously magnetized is used to periodically modify the stiffness of the hairspring 4 by the phenomenon of magnetostriction.
  • a regulating device 2 comprising a similar rotary mobile 28, this time fitted with electrons at its periphery, and whose electric field cooperates periodically with at least one electret placed on the external terminal curve 17 of the hairspring 4, to periodically modify the stiffness of the hairspring 4, by the phenomenon of piezoelectricity.
  • the rigidity is modulated through a variation in temperature.
  • the regulation frequency ⁇ R is twice the natural frequency wO.
  • the relative amplitude of the modulation of the real part of the rigidity of the resonator mechanism 1 is greater than twice the inverse of the quality factor of the resonator mechanism 1.
  • the invention also relates to a clockwork movement 10, comprising at least one clockwork resonator mechanism 1 designed to oscillate at a natural frequency ⁇ 0, this clockwork resonator mechanism 1 comprising at least one elastic return means 40 comprising at least a hairspring 4 or a twist wire 46 or a flexible guide.
  • this movement 10 comprises at least one regulating device 2 controlling a periodic variation in the rigidity of the elastic return means 40 with a regulating frequency wR, which is between 0.9 times and 1.1 times the value of an integer multiple of the natural frequency ⁇ 0 of the resonator 1, said integer being greater than or equal to 2 and less than or equal to 10.
  • the clockwork resonator mechanism 1 comprises at least one balance-spring assembly 3, the spring 4 of which constitutes the elastic return means 40 and is held between a stud 5 at a first external end 6 and a ferrule 7 at a second internal end 8, and the regulating device 2 controls a periodic variation of the stiffness of the hairspring 4.
  • the movement 10 comprises an additional turn 18 fixed to this hairspring 4 at at least a first junction point 19, and coming into local lining with the external terminal curve 17 of the hairspring 4.
  • the regulating device 2 performs periodic twists opposite directions on the external terminal curve 17 and on the additional turn 18, by acting on the pin 5 for the external terminal curve 17, and on one end 18A of the additional turn 18 opposite this first junction point 19.
  • the movement 10 comprises an additional turn 18 fixed to this hairspring 4 at at least a first junction point 19 and coming into local lining with the external terminal curve 17 of the hairspring 4, and the regulating device 2 periodically performs a movement on one end 18A of the additional turn 18 opposite this first junction point 19.
  • the additional turn 18 is either of flexibility equivalent to that of the external terminal curve 17, or even more rigid than the external terminal curve 17.
  • the movement 10 comprises an arm 20 fixed to the external end curve 17 of the hairspring 4 at at least a second junction point 21, and the regulating device 2 periodically performs a movement on one end 22 of the arm 20 opposite this second junction point 21.
  • the arm 20 is more rigid than the external terminal curve 17.
  • the movement 10 comprises, in the vicinity of the external terminal curve 17 of the hairspring 4, another turn 23 which is held at a first end by a support 24 operated by the regulating device 2, and which is free at a second end 25 arranged to periodically come into contact with the external terminal curve 17 under the action of the regulating device 2 on this support 24.
  • the hairspring 4 comprises at least two conductive blades 41, 42, separated by insulating elements 43, and the regulating device 2 is arranged to periodically subject the two blades 41, 42, to an electric and / or magnetic field (in the broad sense , according to the definition of fields above), so as to modify the difference E1, E2, between the two blades 41, 42, and thus to modify the total section and the rigidity of the hairspring 4.
  • the regulator 2 is arranged to periodically subject the two blades 41, 42 to a different electric field.
  • the regulating device 2 comprises a rotary mobile 28 equipped with magnets 29 at its periphery and whose magnetic field cooperates periodically with at least one magnet 45 placed on the external terminal curve 17 of the hairspring 4, to periodically modify the stiffness of the hairspring 4 .
  • the resonator mechanism 1 comprises at least one balance 26 comprising a ferrule 7 holding a torsion wire 46 which constitutes the elastic return means 40, and the regulating device 2 controls a periodic variation of the tension of the torsion wire 46.
  • electrostatic layers or elements can be used to vary the rigidity of a spring or hairspring by partially or completely covering it with a piezoelectric layer activated by a small electronic module.
  • the regulation frequency ⁇ R of the regulating device 2 is twice the natural frequency ⁇ 0 of the resonator mechanism 1.
  • the invention also relates to a timepiece, more particularly a watch, 30 comprising at least one such timepiece movement 10.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Springs (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Electric Clocks (AREA)
  • Vibration Prevention Devices (AREA)
  • Control Of Position Or Direction (AREA)

Claims (8)

  1. Verfahren zum Aufrechterhalten und Regulieren der Frequenz, um seine Eigenfrequenz (ω0) herum, eines Uhren-Resonatormechanismus (1), der mindestens ein elastisches Rückstellmittel (40) umfasst, das mindestens eine Spiralfeder (4) oder einen Torsionsdraht (46) oder eine flexible Führung aufweist, wobei mindestens eine Reguliervorrichtung (2) betrieben wird, die auf den Resonatormechanismus (1) mit einer periodischen Bewegung einwirkt, wobei die periodische Bewegung eine periodische Modulation der Resonanzfrequenz des Resonatormechanismus (1), der ein parametrischer Resonator ist, mit einer Regulierungsfrequenz (wR) erzwingt, die im Bereich des 0,9-fachen bis 1,1-fachen Wertes eines ganzzahligen Vielfachen der Eigenfrequenz (ω0) liegt, wobei die ganze Zahl größer oder gleich 2 und kleiner oder gleich 10 ist, dadurch gekennzeichnet, dass die Reguliervorrichtung (2) durch Steuern einer periodischen Veränderung des Realteils der Steifigkeit des mindestens einen elastischen Rückstellmittels (40) zur Wirkung gebracht wird, wobei der Realteil der Steifigkeit die Frequenz des Resonatormechanismus (1) definiert.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die periodische Bewegung eine periodische Modulation der Resonanzfrequenz des Resonatormechanismus (1) erzwingt, indem eine Modulation des Elastizitätsmoduls des mindestens einen elastischen Rückstellmittels (40) erzwungen wird.
  3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die periodische Bewegung eine periodische Modulation der Resonanzfrequenz des Resonatormechanismus (1) erzwingt, indem eine Modulation der Form des mindestens einen elastischen Rückstellmittels (40) erzwungen wird.
  4. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Verfahren auf einen Resonatormechanismus (1) angewendet wird, von dem ein elastisches Rückstellmittel (40) mindestens einen Torsionsdraht (46) umfasst, und dass mindestens eine Reguliervorrichtung (2) durch Steuern einer periodischen Veränderung der Steifigkeit des elastischen Rückstellmittels (40) durch periodisches Modulieren der Spannung des Torsionsdrahts (46) zur Wirkung gebracht wird.
  5. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass es auf einen Resonatormechanismus (1) angewendet wird, von dem ein elastisches Rückstellmittel (40) mindestens eine Spiralfeder (4) umfasst, wobei die Spiralfeder (4) mindestens zwei leitende Plättchen (41; 42) aufweist, von denen mindestens eines die Komponente bildet und die durch isolierende Elemente (43) voneinander getrennt sind, und dass die Reguliervorrichtung (2) so angeordnet ist, dass sie an die beiden Plättchen (41; 42) ein elektrisches und/oder magnetisches Feld periodisch anlegt, um den Abstand (E1; E2) zwischen den beiden Plättchen (41; 42) zu verändern.
  6. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die periodische Bewegung eine periodische Modulation der Resonanzfrequenz des Resonatormechanismus (1) erzwingt, indem sowohl eine Modulation der Steifigkeit eines elastischen Rückstellmittels, das der Resonatormechanismus (1) umfasst, als auch eine Modulation der Trägheit des Resonatormechanismus (1) erzwungen wird.
  7. Uhrwerk (10), umfassend mindestens einen Uhren-Resonatormechanismus (1), der dafür ausgelegt ist, mit einer Eigenfrequenz (ω0) zu schwingen, wobei der Uhren-Resonatormechanismus (1) mindestens eine Unruh-Spiralfeder-Anordnung (3) umfasst, deren Spiralfeder (4) das elastische Rückstellmittel (40) bildet und zwischen einem Spiralklötzchen (5) an einem ersten, äußeren Ende (6) und einer Spiralrolle (7) an einem zweiten, inneren Ende (8) gehalten wird, dadurch gekennzeichnet, dass das Werk (10) mindestens eine Reguliervorrichtung (2) umfasst, die dazu vorgesehen ist, das Verfahren nach einem der Ansprüche 1 bis 6 auszuführen, und dazu vorgesehen ist, auf den Resonatormechanismus (1) mit einer periodischen Bewegung einzuwirken, die eine periodische Modulation der Resonanzfrequenz des Resonatormechanismus (1), der ein parametrischer Resonator ist, erzwingt, wobei die mindestens eine Reguliervorrichtung (2) dazu vorgesehen ist, eine periodische Veränderung des Realteils der Steifigkeit des elastischen Rückstellmittels (40) mit einer Regulierungsfrequenz (wR), die im Bereich des 0,9-fachen bis 1,1-fachen Wertes eines ganzzahligen Vielfachen der Eigenfrequenz (ω0) des Resonators (1) liegt, zu steuern, wobei die ganze Zahl größer oder gleich 2 und kleiner oder gleich 10 ist, dadurch gekennzeichnet, dass die Reguliervorrichtung (2) dazu vorgesehen ist, mindestens eine Komponente des Resonatormechanismus (1) in eine periodische Bewegung zu versetzen, um auf die Komponente eine Dreh- oder Zug- oder Druckkraft auszuüben und/oder mindestens ein Werkzeug, das die Position einer solchen Komponente des Resonatormechanismus (1) beeinflusst, in eine periodische Bewegung zu versetzen, und dass:
    - entweder der Resonatormechanismus (1) eine zusätzliche Windung (18) aufweist, die die Komponente bildet und an der Spiralfeder (4) an mindestens einem ersten Verbindungspunkt (19) befestigt ist und mit der äußeren Endkrümmung (17) der Spiralfeder (4) gebietsweise einen Mitläufer bildet, wobei die Reguliervorrichtung (2) so angeordnet ist, dass sie an der äußeren Endkrümmung (17) und an der zusätzlichen Windung (18) periodisch Torsionen in entgegengesetzten Richtungen bewirkt, indem sie auf das Spiralklötzchen (5) für die äußere Endkrümmung (17) und auf ein dem ersten Verbindungspunkt (19) gegenüberliegendes Ende (18A) der zusätzlichen Windung (18) einwirkt, oder dass sie ein dem ersten Verbindungspunkt (19) gegenüberliegendes Ende (18A) der zusätzlichen Windung (18) periodisch in Bewegung versetzt;
    - oder der Resonatormechanismus (1) einen Arm (20) umfasst, der die Komponente bildet und der an der äußeren Endkrümmung (17) der Spiralfeder (4) an mindestens einem zweiten Verbindungspunkt (21) befestigt ist, und die Reguliervorrichtung (2) so angeordnet ist, dass sie ein dem zweiten Verbindungspunkt (21) gegenüberliegendes Ende (22) des Arms (20) periodisch in Bewegung versetzt;
    - oder der Resonatormechanismus (1) in der Nähe der äußeren Endkrümmung (17) der Spiralfeder (4) eine weitere Windung (23) aufweist, die die Komponente bildet und die an einem ersten Ende durch einen Festpunkt (24), der durch die Reguliervorrichtung (2) betätigt wird, gehalten wird und an einem zweiten Ende (25) frei ist, das so angeordnet ist, dass es mit der äußeren Endkrümmung (17) unter der Einwirkung der Reguliervorrichtung (2) auf den Festpunkt (24) periodisch in Kontakt gelangt;
    - oder die Reguliervorrichtung (2) ein Drehteil (28) umfasst, das an seinem Umfang mit Magneten (29) ausgestattet ist und dessen Feld mit mindestens einem Magneten (45), der die Komponente bildet und der an der äußeren Endkrümmung (17) der Spiralfeder (4) angeordnet ist, periodisch zusammenwirkt, um die Steifigkeit der Spiralfeder (4) periodisch zu verändern.
  8. Uhr (30), umfassend mindestens ein Uhrwerk (10) nach Anspruch 7, dadurch gekennzeichnet, dass es eine tragbare Uhr ist.
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EP14155433.7A EP2908188B1 (de) 2014-02-17 2014-02-17 Regulierung eines resonators einer uhr durch einwirkung auf die steifheit eines elastischen rückstellmittels
EP15153321.3A EP2908191B1 (de) 2014-02-17 2015-01-30 Frequenzregulierung eines Uhrresonators durch Einwirkung auf die Steifheit eines elastischen Rückstellmittels

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EP14155433.7A Active EP2908188B1 (de) 2014-02-17 2014-02-17 Regulierung eines resonators einer uhr durch einwirkung auf die steifheit eines elastischen rückstellmittels
EP15153321.3A Active EP2908191B1 (de) 2014-02-17 2015-01-30 Frequenzregulierung eines Uhrresonators durch Einwirkung auf die Steifheit eines elastischen Rückstellmittels

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WO2018177774A1 (fr) * 2017-03-28 2018-10-04 The Swatch Group Research And Development Ltd Piece d'horlogerie mecanique comprenant un mouvement dont la marche est amelioree par un dispositif de correction
EP3457223A1 (de) * 2017-09-14 2019-03-20 The Swatch Group Research and Development Ltd Piezoelektrisches element für einen schaltkreis zur frequenzselbstregulierung, schwingendes mechanisches system und dieses umfassende vorrichtung
EP3457224B1 (de) * 2017-09-14 2020-10-28 The Swatch Group Research and Development Ltd Piezoelektrisches element für einen schaltkreis zur frequenzselbstregulierung, schwingendes mechanisches system und dieses umfassende vorrichtung, und herstellungsverfahren eines solchen piezoelektrischen elements
CH714480A2 (fr) 2017-12-20 2019-06-28 Swatch Group Res & Dev Ltd Dispositif de réglage autonome de la longueur active d'un spiral.
EP3629103B1 (de) * 2018-09-28 2021-05-12 The Swatch Group Research and Development Ltd Uhr, die ein mechanisches uhrwerk umfasst, dessen ganggenauigkeit durch eine elektronische vorrichtung reguliert wird
EP4009115A1 (de) * 2020-12-02 2022-06-08 Omega SA Spiralfeder für resonatormechanismus eines uhrwerks, der mit mitteln zum ausgleichen der starrheit ausgestattet ist
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EP4187326A1 (de) * 2021-11-29 2023-05-31 Omega SA Spiralfeder für resonatormechanismus eines uhrwerks, der mit mitteln zum ausgleichen der starrheit ausgestattet ist
EP4357858A1 (de) * 2022-10-18 2024-04-24 Omega SA Spiralfeder für resonatormechanismus einer uhr mit mitteln zur einstellung der steifigkeit
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Also Published As

Publication number Publication date
US20150234356A1 (en) 2015-08-20
RU2015105166A (ru) 2016-09-10
JP5997305B2 (ja) 2016-09-28
EP2908191A3 (de) 2015-09-02
CN104849994A (zh) 2015-08-19
HK1213646A1 (zh) 2016-07-08
US9201400B2 (en) 2015-12-01
RU2015105166A3 (de) 2018-09-20
EP2908191A2 (de) 2015-08-19
EP2908188A1 (de) 2015-08-19
CN104849994B (zh) 2017-12-05
JP2015152604A (ja) 2015-08-24
EP2908188B1 (de) 2018-06-27

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