EP3312682B1 - Resonateur a haut facteur de qualite pour montre mecanique - Google Patents

Resonateur a haut facteur de qualite pour montre mecanique Download PDF

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Publication number
EP3312682B1
EP3312682B1 EP16194286.7A EP16194286A EP3312682B1 EP 3312682 B1 EP3312682 B1 EP 3312682B1 EP 16194286 A EP16194286 A EP 16194286A EP 3312682 B1 EP3312682 B1 EP 3312682B1
Authority
EP
European Patent Office
Prior art keywords
elastic return
axis
movement
return means
strips
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16194286.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3312682A1 (fr
Inventor
Pascal Winkler
Gianni Di Domenico
Jean-Luc Helfer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to CH01391/16A priority Critical patent/CH713055A2/fr
Priority to EP16194286.7A priority patent/EP3312682B1/fr
Priority to US15/715,728 priority patent/US10152025B2/en
Priority to JP2017192455A priority patent/JP6484684B2/ja
Priority to RU2017134933A priority patent/RU2749943C2/ru
Priority to CN201710966475.XA priority patent/CN107957671B/zh
Publication of EP3312682A1 publication Critical patent/EP3312682A1/fr
Priority to HK18111783.8A priority patent/HK1252475A1/zh
Application granted granted Critical
Publication of EP3312682B1 publication Critical patent/EP3312682B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • G04B1/00—Driving mechanisms
    • 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
    • G04B15/00—Escapements
    • 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
    • G04B15/00—Escapements
    • G04B15/02—Escapements permanently in contact with the regulating mechanism
    • 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
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
    • 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
    • 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
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/08—Oscillators with coil springs stretched and unstretched axially
    • 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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/28—Compensation of mechanisms for stabilising frequency for the effect of imbalance of the weights, e.g. tourbillon
    • 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
    • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
    • 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
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • G04B31/02—Shock-damping bearings
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • 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
    • G04B17/045—Oscillators acting by spring tension with oscillating blade springs
    • 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

Definitions

  • the invention relates to a watch movement for a mechanical watch, comprising, arranged on a plate, a resonator mechanism and an exhaust mechanism subjected to the pair of motor means that comprises said movement, said resonator mechanism comprising an inertial element arranged to oscillate with respect to said plate, said inertial element being subjected to the action of elastic return means fixed directly or indirectly to said plate, and said inertial element being arranged to cooperate with an escape wheel that includes said exhaust mechanism and which pivots around a main axis.
  • the invention also relates to a mechanical watch comprising at least one such movement.
  • the invention relates to the field of resonator mechanisms constituting the time bases of mechanical watches.
  • the exhaust mechanism must be strong, shock-resistant, and designed to avoid pinching the movement (overturning).
  • a mechanical resonator combines at least one inertial element and an elastic return element.
  • the spiral acts as an elastic return element for the inertial element that constitutes the balance.
  • the Swiss lever escapement has a low fuel efficiency (about 30%). This low performance comes from the fact that the movements of the exhaust are jerky, that there are “falls” (path lost to accommodate machining errors) and, also, that several components are transmitted their movement via inclined planes that rub against each other.
  • a watchmaking mechanism comprises, mounted mobile, at least pivotally relative to a plate, an arranged escape wheel to receive a motor torque via a train, and a first oscillator having a first rigid structure connected to this plate by first elastic return means.
  • This regulating mechanism comprises a second oscillator, which comprises a second rigid structure, which is connected to the first rigid structure by second elastic return means, and which comprises guide means arranged to cooperate with complementary guide means that includes the escape wheel, synchronizing the first oscillator and the second oscillator with the wheel.
  • This clock oscillator comprises coupling means for the interaction of the primary resonators, comprising motor means for driving a mobile in motion which comprises driving and guiding means arranged to drive and guide an articulated control means with means for transmission each articulated, remote control means, with a mass of a primary resonator, and the primary resonators and the mobile are arranged such that the axes of the joints of any two of the primary resonators and the axis of articulation of the control means are never coplanar.
  • the present invention proposes to develop a clockwork movement combining a particular isochronous clock resonator mechanism, and an escape mechanism, arranged in relation to one another so as to improve the quality factor of the resonator, in particular by eliminating the friction associated with conventional pivots, and to increase the exhaust efficiency, by eliminating the usual saccades of the exhaust.
  • the invention proposes a resonator in which the elastic return element also constitutes the guide, as well as mechanisms architectures allowing continuous interactions, without saccade, between resonator and escape wheel. To do this, we must concede the use of at least a second degree of freedom of the resonator, the second degree of freedom being out of phase with the first. So that the resonator is not sensitive to gravity or to shocks in translation, two degrees of freedom in rotation are chosen, the axes of which pass through the center of mass of the inertial element.
  • the invention relates to a watch movement according to claim 1.
  • the invention also relates to a mechanical watch comprising at least one such movement.
  • the invention relates to a mechanical watch 1000, which is provided with a movement 500 which comprises, mounted on a plate 1, a flexible cardan resonator 100 and a continuous maintenance mechanism 200, subjected to the pair of motor means 300, such as than visible in Figure 16.
  • the flexible gimbal visible on the figure 1 , and which will be detailed later, has the function of blocking an inertial element 2 of the resonator 100 and the plate 1 in three translations and a first rotation, while leaving flexible a second and a third rotation.
  • the axes of rotation of the flexible rotations are perpendicular and pass through the center of mass G of the inertial element 2 of the resonator 100.
  • the invention is here illustrated, without limitation, with a single inertial element 2.
  • the figures illustrating the mechanisms comprise a main axis D, a first axis D1, and a second axis D2.
  • the figure 2 specifies the classical definition of Euler angles.
  • each of these flexible rotary guides causes a return torque proportional to the angle of rotation according to the rotation considered.
  • the inertial element 2 has an inertial matrix whose components along the directions e2 and e3 are substantially identical.
  • the invention therefore makes it possible to achieve the best possible isochronism.
  • the figure 1 shows the cooperation of a finger 21, which comprises the inertial element 2, with a groove 41 that comprises an exhaust mobile 4, typically the equivalent of an escape wheel, that includes the continuous maintenance mechanism 200. It is understood that, in the absence of such an escape wheel 4, the equilibrium position in the free state of the finger 21 would be on the axis D. The above equation ensures, in steady state, a circular trajectory of this finger 21 with respect to the pivot axis of the escapement wheel 4.
  • the invention more particularly relates to a watch movement 500 for a mechanical watch 1000.
  • This movement 500 comprises, arranged on a plate 1, a resonator mechanism 100 and an escapement mechanism 200 subjected to the pair of motor means 300 that includes the movement 500.
  • the resonator mechanism 100 comprises at least one inertial element 2, which is arranged to oscillate with respect to the plate 1.
  • This inertial element 2 is subjected to the action of elastic return means 3, 31, 32, which are fixed directly or indirectly to platen 1.
  • this inertial element 2 is arranged to cooperate with an escapement wheel 4 that includes the escape mechanism 200 and which pivots about a main axis D.
  • the escape wheel 4 comprises drive means 40, which are arranged to cooperate in continuous transmission of movement with complementary continuous drive means 20 that the inertial mobile 2 comprises in all the angular positions of this one.
  • the elastic return means 3, 31, 32 are arranged to tend to bring the complementary continuous drive means 20 towards the main axis D.
  • These elastic return means 3, 31, 32 comprise first elastic return means 31 around a first axis D1 and which are arranged to tend to bring these complementary continuous drive means 20 towards this main axis D, and second elastic return means 32 around a second axis D2 and which are arranged to tend to bring the complementary continuous drive means 20 towards the main axis D.
  • the first axis D1 and the second axis D2 are perpendicular to each other and perpendicular to the main axis D.
  • the elastic return means 3, 31, 32 constitute cardan-type guiding means and are arranged to prohibit the movement of the center of inertia G of the inertial element 2 according to the three linear degrees of freedom and to a degree of freedom in rotation, so as to allow the mobility of the inertial element 2 only in two degrees of freedom in rotation, around the first axis D1 and of the second axis D2, and around a central point constituting a fixed position of the center of inertia G with respect to the plate 1.
  • the main axis D, the first axis D1, and the second axis D2 are concurrent.
  • first elastic return means 31 and the second elastic return means 32 are arranged in series, the first elastic return means 31 being arranged between the plate 1 and an intermediate cross 35, and the second elastic return means 32 being arranged between the intermediate cross 35 and the inertial element 2, or vice versa.
  • the first elastic return means 31 on the one hand, and the second elastic return means 32 on the other hand are arranged to exert a return torque proportional to the angle of rotation which is printed to them, on at least part of their rotational stroke. More particularly, this proportionality applies for their entire angular travel. If necessary, angular limitation means are arranged to limit the flexibility of these elastic return means to the area where the return torque they exert is proportional to the angle of rotation which is printed to them.
  • the inertial element 2 has, with respect to the reference constituted by the main axis D, the first axis D1 and the second axis D2, a diagonal inertia matrix whose terms according to FIG. at least two of the main axis D, the first axis D1 and the second axis D2 are equal.
  • the inertial element 2 has, with respect to the reference frame consisting of the main axis D, the first axis D1 and the second axis D2, a diagonal inertia matrix, whose terms along the main axis D and the first axis D1 are equal.
  • the drive means 40 comprise a groove 41 substantially radial with respect to the main axis D, and with which cooperates a finger 21 that comprises the drive means
  • the continuous maintenance mechanism then comprises this finger 21 secured to the inertial element 2, which is driven in rotation by the grooved wheel 4, which cooperates by an oblique toothing with another wheel 49 to the end of a train, and is thus subjected to the torque of the motor means 300, in particular at least one barrel.
  • Wheel 4 rotates here along an axis perpendicular to the plane defined by the axes of rotation of the two flexible rotations.
  • the first elastic return means 31 and / or the second resilient return means 32 consist of flexible rotary guides without a pivot.
  • the first elastic return means 31 and the second elastic return means 32 together form a monolithic component.
  • the first elastic return means 31 and / or the second resilient return means 32 comprise flexible rotary guides with two blades which are either crossed at the same level or blades located in two neighboring parallel levels and whose projections on a plane parallel to these levels intersect.
  • the actual or projection crossover point of the two blades is, as visible on the figure 4 , advantageously located at a point between 0.12 and 0.14 times their length, and these blades form between them an angle of between 60 and 80 degrees.
  • first elastic return means 31 and / or the second elastic return means 32 comprise flexible rotary guides with RCC pivots arranged head to tail.
  • first elastic return means 31 and the second elastic return means 32 are split, or more generally multiplied, to increase the rigidity of the flexible gimbal according to the degrees of freedom that must be linked.
  • first elastic return means 31 and / or the second elastic return means 32 comprise flexible rotary guides with flexible blades, which blades are élinvar.
  • first elastic return means 31 and / or the second elastic return means 32 comprise flexible rotary guides with flexible blades, which blades are made of oxidized silicon to compensate for the effects of temperature variations.
  • the first elastic return means 31 and / or the second resilient return means 32 comprise flexible rotary guides with two blades which are blades located in two adjacent parallel levels and whose projections on a plane parallel to these levels intersect, each said blade belonging to a monolithic module 38 comprising the blade and its fixing means, and the flexible two-blade guide comprising two such modules 38 assembled recto-verso.
  • the first elastic return means 31 and the second elastic return means 32 are calculated so that a first oscillation period T1, a function of a first inertia I1 and a first elastic constant k1 of the guide according to a first rotation about the first axis D1, equal to a second second oscillation period T2, a function of a second inertia I2 and a second elastic constant k2 of the guide according to a second rotation about the second axis D2.
  • first elastic return means 31 and the second elastic return means 32 have identical characteristics.
  • the plane defined by the first axis D1 and the second axis D2, at equilibrium, is perpendicular to the plane of the plate 1, and the main axis D is parallel to the plane of the plate D.
  • the plane defined by the first axis D1 and the second axis D2, at equilibrium, is parallel to the plane of the plate 1, and the main axis D is perpendicular to the plane of the plate D.
  • the drive means 40 comprise a slot 42 arranged to guide a roller 45.
  • This roller 45 is arranged to roll on an annular track 250 that includes the inertial mobile 2, which track 250 constitutes the complementary continuous drive means 20.
  • the roller 45 thus imparts to the inertial element a deported force, and a torque, which, in combination with the flexible gimbal 3, imparts to the inertial element 2 a precession movement, in the manner of a coin or a plate set in motion on a flat surface by the action of a couple, or a gyroscope or a spinning top.
  • the continuous maintenance mechanism then consists of a ring carrying the annular track 250, and integral with the inertial element 2, driven in a precession movement by the wheel 4 to roller 45, subjected to the torque of the motor means 300, in particular of at least one barrel, the wheel 4 rotating along an axis perpendicular to the plane defined by the axes of rotation of the two flexible rotations .
  • a three-ring gyroscope whose intermediate ring, similar to the cross described above, is connected by a spiral spring to each of the inner and outer rings, can constitute a resonator according to the invention. invention.
  • first elastic return means 31 and / or the second resilient return means 32 comprise flexible rotary guides with crossed blades, and are protected from rupture after impact by mechanical stops.
  • the inertial element 2 comprises weights for adjusting the inertia and unbalance.
  • the invention also concerns a timepiece, in particular a mechanical watch 1000, comprising such a movement 500.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
  • Electromechanical Clocks (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
EP16194286.7A 2016-10-18 2016-10-18 Resonateur a haut facteur de qualite pour montre mecanique Active EP3312682B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CH01391/16A CH713055A2 (fr) 2016-10-18 2016-10-18 Mouvement d'horlogerie comportant un mécanisme résonateur et un mécanisme d'échappement coopérant en transmission continue.
EP16194286.7A EP3312682B1 (fr) 2016-10-18 2016-10-18 Resonateur a haut facteur de qualite pour montre mecanique
US15/715,728 US10152025B2 (en) 2016-10-18 2017-09-26 High quality factor resonator for mechanical watches
JP2017192455A JP6484684B2 (ja) 2016-10-18 2017-10-02 機械式腕時計用の高ｑ共振器
RU2017134933A RU2749943C2 (ru) 2016-10-18 2017-10-05 Резонатор для механических часов
CN201710966475.XA CN107957671B (zh) 2016-10-18 2017-10-17 用于机械表的高品质因数谐振器
HK18111783.8A HK1252475A1 (zh) 2016-10-18 2018-09-13 用於機械錶的高品質因數諧振器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16194286.7A EP3312682B1 (fr) 2016-10-18 2016-10-18 Resonateur a haut facteur de qualite pour montre mecanique

Publications (2)

Publication Number Publication Date
EP3312682A1 EP3312682A1 (fr) 2018-04-25
EP3312682B1 true EP3312682B1 (fr) 2019-02-20

Family

ID=57144897

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16194286.7A Active EP3312682B1 (fr) 2016-10-18 2016-10-18 Resonateur a haut facteur de qualite pour montre mecanique

Country Status (7)

Country Link
US (1) US10152025B2 (ja)
EP (1) EP3312682B1 (ja)
JP (1) JP6484684B2 (ja)
CN (1) CN107957671B (ja)
CH (1) CH713055A2 (ja)
HK (1) HK1252475A1 (ja)
RU (1) RU2749943C2 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3572885B1 (fr) * 2018-05-25 2022-04-20 ETA SA Manufacture Horlogère Suisse Oscillateur mécanique d'horlogerie isochrone en toute position
EP3667432B1 (fr) * 2018-12-13 2022-05-11 ETA SA Manufacture Horlogère Suisse Résonateur d'horlogerie comportant au moins un guidage flexible
EP3812843A1 (fr) * 2019-10-25 2021-04-28 ETA SA Manufacture Horlogère Suisse Guidage flexible et ensemble de guidages flexibles superposés pour mécanisme résonateur rotatif, notamment d'un mouvement d'horlogerie
EP3835879B1 (fr) * 2019-12-09 2024-01-24 The Swatch Group Research and Development Ltd Mecanisme resonateur d'horlogerie avec masse inertielle a reglage d'inertie et de balourd
EP4009113A1 (fr) * 2020-12-02 2022-06-08 The Swatch Group Research and Development Ltd Ensemble de guidages flexibles pour mécanisme résonateur rotatif, notamment d'un mouvement d horlogerie
EP4194962A1 (fr) * 2021-12-10 2023-06-14 Blancpain SA Mouvement d'horlogerie comprenant un organe réglant muni de moyens d'ajustement variable de l'inclinaison

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Publication number Priority date Publication date Assignee Title
DE602007001230D1 (de) * 2007-03-09 2009-07-16 Eta Sa Mft Horlogere Suisse Hemmung mit Tangentialimpulsen
EP2105806B1 (fr) * 2008-03-27 2013-11-13 Sowind S.A. Mécanisme d'échappement
EP2221677A1 (fr) * 2009-02-16 2010-08-25 Rolex Sa Echappement à detente
US9075394B2 (en) * 2012-03-29 2015-07-07 Nivarox-Far S.A. Flexible escapement mechanism with movable frame
CH707171A2 (fr) * 2012-11-09 2014-05-15 Nivarox Sa Mécanisme horloger de limitation ou transmission.
EP2908189A3 (fr) 2014-02-17 2016-06-01 ETA SA Manufacture Horlogère Suisse Mécanisme de synchronisation de deux oscillateurs d'horlogerie avec un rouage
CN106462104B (zh) * 2014-09-09 2019-02-12 斯沃奇集团研究和开发有限公司 具有改善的等时性的组合式谐振器
CH710160A2 (fr) * 2014-09-26 2016-03-31 Eta Sa Manufacture Horlogère Suisse Dispositif régulateur de la marche d'un mouvement horloger mécanique.
EP3035127B1 (fr) 2014-12-18 2017-08-23 The Swatch Group Research and Development Ltd. Oscillateur d'horlogerie à diapason
CH710524A2 (fr) * 2014-12-18 2016-06-30 Swatch Group Res & Dev Ltd Résonateur d'horlogerie à lames croisées.
CH710691A2 (fr) * 2015-02-03 2016-08-15 Eta Sa Mft Horlogere Suisse Résonateur isochrone d'horlogerie.
CH710692B1 (fr) * 2015-02-03 2021-09-15 Eta Sa Mft Horlogere Suisse Mécanisme oscillateur d'horlogerie.

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
JP6484684B2 (ja) 2019-03-13
CN107957671B (zh) 2020-03-27
CH713055A2 (fr) 2018-04-30
EP3312682A1 (fr) 2018-04-25
HK1252475A1 (zh) 2019-05-24
JP2018066732A (ja) 2018-04-26
CN107957671A (zh) 2018-04-24
US20180107164A1 (en) 2018-04-19
RU2749943C2 (ru) 2021-06-21
RU2017134933A (ru) 2019-04-05
RU2017134933A3 (ja) 2021-01-15
US10152025B2 (en) 2018-12-11

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