EP2911012A1 - Oszillator einer Uhr - Google Patents

Oszillator einer Uhr Download PDF

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Publication number
EP2911012A1
EP2911012A1 EP14156053.2A EP14156053A EP2911012A1 EP 2911012 A1 EP2911012 A1 EP 2911012A1 EP 14156053 A EP14156053 A EP 14156053A EP 2911012 A1 EP2911012 A1 EP 2911012A1
Authority
EP
European Patent Office
Prior art keywords
oscillator
plane
balance
rotary
blade
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.)
Granted
Application number
EP14156053.2A
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English (en)
French (fr)
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EP2911012B1 (de
Inventor
Simon Henein
Ivar Kjelberg
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.)
Centre Suisse dElectronique et Microtechnique SA CSEM
Original Assignee
Centre Suisse dElectronique et Microtechnique SA CSEM
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.)
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Application filed by Centre Suisse dElectronique et Microtechnique SA CSEM filed Critical Centre Suisse dElectronique et Microtechnique SA CSEM
Priority to EP14156053.2A priority Critical patent/EP2911012B1/de
Publication of EP2911012A1 publication Critical patent/EP2911012A1/de
Application granted granted Critical
Publication of EP2911012B1 publication Critical patent/EP2911012B1/de
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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
    • 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
    • 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
    • G04B17/10—Oscillators with torsion strips or springs acting in the same manner as torsion strips, e.g. weight oscillating in a horizontal plane

Definitions

  • a balance spring In mechanical watches, the time is divided into fractions by a regulating member which is usually, to date, a balance spring.
  • the latter is composed of three main parts: the pendulum which plays the role of flywheel, a shaft terminated by pivots, which allows to mount the balance in a timepiece frame and a spiral spring that produces a couple proportional return to the angular displacement of the balance.
  • the present invention aims to provide an oscillator with the advantages of systems of the state of the art, but at least partially free of their disadvantages.
  • the subject of the invention is a virtual pivot rotary oscillator, that is to say without a physical pivot in the usual sense of the term, which comprises a support element intended to enable the oscillator to be assembled on a timepiece, a balance, a plurality of flexible blades connecting the support member to the balance able to exert a restoring torque on the balance, and a serge mounted integral with the balance.
  • the plurality of flexible blades comprises at least two flexible blades including a first blade disposed in a first plane perpendicular to the plane of the oscillator, and a second blade disposed in a second plane perpendicular to the plane of the oscillator and secant with the first plane, the first and second blades are of identical geometry, and in that the oscillation geometric axis of the oscillator is defined by the intersection of the first plane and the second plane, said axis geometric oscillation crossing the first and second blades to 7/8 th of their respective length.
  • the invention provides a clean rotation, that is to say in which the axis of oscillation is fixed, and without friction, if not those of air.
  • This clean rotation makes it possible to produce on the oscillator a return torque that is almost proportional to the angular displacement.
  • We obtain a mechanical oscillator capable of offering a great potential for increasing the power reserve of a mechanical watch.
  • the figure 1 shows a rotary oscillator 1 for a timepiece according to the invention which comprises a support element 2 intended to allow its assembly on a frame (not shown) of a mechanical watch.
  • the oscillator 1 further comprises a rocker 3, which, in this example, comprises a circular-shaped element comprising a central opening, inside which the support element 2 takes place.
  • the latter is situated in the plane of the balance 3, close to the center of the balance 3 or its center of gravity in the case of a non-circular balance.
  • the support member 2 is connected to the balance 3 by a plurality of flexible blades connecting the support member 2 to the balance 3.
  • a serge 4 is mounted integral with the balance 3 to give sufficient inertia to the oscillator 1.
  • the figure 1 presents a first embodiment of the invention, wherein there are two flexible blades including a first blade 51 disposed in a first plane perpendicular to the plane of the oscillator 1, and a second blade 53 disposed in a second plane perpendicular to the plane oscillator 1 and secant with the foreground.
  • the first 51 and second 53 blades are advantageously of identical geometry.
  • the height of the blades is the dimension perpendicular to the plane of the balance 3.
  • the length of the blade is naturally the dimension located in the plane of the balance 3, along the longitudinal axis of the blade, and the thickness is the dimension perpendicular to the length, in the plane of the balance 3.
  • the thickness is reduced so as to give the blades a flexibility in the plane of the balance 3.
  • the height of the blades is defined so as to offer sufficient rigidity to maintain the balance 3 in the same plane as the support member 2 when the oscillator 1 is assembled on the frame.
  • the first and second planes intersect along a line that passes 7/8 th of the length of each blade 51 and 53 and which defines a virtual oscillation axis 7 of the oscillator 1.
  • the plurality of flexible blades comprises a pair formed of a first 51 and a second 52 blades disposed in the first plane perpendicular to the plane of the oscillator 1.
  • the first 51 and second 52 blades are of identical geometry.
  • the plurality of blades also comprises a third blade 53 disposed in the second plane perpendicular to the plane of the oscillator 1, and intersecting with the first plane.
  • the third blade 53 is interposed between the first 51 and the second 52 blades and has a height twice that of the first 51 or the second 52 blade.
  • the figure 4 shows a side view of the flexible blades in which there is clearly the arrangement of the flexible blades and the difference in height of the blades.
  • the implementation of a plurality of flexible blades increases the off-plane rigidity of the virtual pivot.
  • the geometry of the blades is adapted to maintain the rigidity of the pivot constant while keeping the symmetry of the rigidity with respect to the average plane of the balance.
  • the rocker 3 has a shape that allows it to be centered and balanced around the geometric axis of oscillation 7. Also, in the particular configuration illustrated by way of example, if its outer circumference is circular, its inner periphery which defines the central opening, defines a symmetry polygon of order N around the virtual oscillation axis 7. At a first of their end 51A, 52A and 53A, the blades are respectively positioned perpendicular to and in the middle of two sides of the polygon.
  • the inner periphery 31 of the balance 3 has a shape resulting from the superposition of a square and a Greek cross, whose arms intersect at their center and are equidistant, the axes of the arms of the cross passing through the angles of the square with identical arms whose angles of the square and the arms of the cross are aligned.
  • the support element 2 has two substantially parallel faces, respectively, on both sides of the polygon receiving the blades, so that at their second end 51B, 52B and 53B, the blades are also positioned perpendicular to the faces of the element of the support. They can also be positioned in the middle of said faces.
  • the first and second planes containing the blades are perpendicular.
  • the face of the support member 2 and the side of the polygon connecting the same blade are parallel.
  • the support element 2 makes it possible to assemble the oscillator 1 on the frame (not shown) of a mechanical watch, by means of fixing means 21, for example holes, which can also be shaped so as to provide means indexing the position of the oscillator 1.
  • the serge 4 is positioned integrally on the outer periphery of the balance 3. It is made of a material of higher density than the density of the material of the balance 3, in order to give the oscillator 1 sufficient inertia. In the example proposed, serge 4 is a ring, but could consider having a plurality of clubs, distributed regularly around the balance 3.
  • the balance 3 comprises a plurality of housings 32, advantageously circular, each receiving a counterweight 6.
  • the housings 32 are regularly distributed on the balance 3, and preferably arranged at equidistance of the geometric axis of oscillation 7.
  • Each of the weights 6 has a center of gravity positioned eccentrically with respect to each housing 32.
  • the rocker 3 is structured so as to define, at each housing 32, an elastic element 33 taking up at least partially in said housing 32.
  • the weights 6 are arranged in the housings 32.
  • the elastic elements 33 allow to maintain the weights 6, exerting on them a prestressing force generated by the deformation of the elastic elements 33 tending to maintain the weights 6 in their housing 32.
  • the support element 2, the balance 3 including the elastic elements 33, and the flexible blades 51, and 53 or 51, 52 and 53 according to the proposed cases, are of monolithic manufacture .
  • Such a microsystem 8, illustrated on the figure 3 can be made of silicon, by deep etching techniques. It is thus possible to obtain the precision required for the machining of the flexible blades 51, 52 and 53, which are separated, typically, by only a few microns.
  • the microsystem 8 is made of silicon and the serge 4 is made of gold. They are assembled at the wafer level by thermocompression. This allows a much more accurate assembly than by conventional methods.
  • a microsystem 8 made of silicon it is possible to compensate for the thermal drift affecting the flexible blades of the oscillator 1 by coating the latter with a coating made of a material having a coefficient of thermal elasticity of the inverse Young's modulus. that of silicon.
  • the material chosen is typically SiO 2 .
  • the thickness of the coating is determined so as to correct the stiffness constant of the flexible blades 51 and 53, if appropriate 52, to reduce, or even cancel, its dependence on temperature variations. It is also possible, by modulating the stiffness constant of the flexible blades to compensate for the thermal drift of the inertia of the balance 3 so as to obtain an oscillation frequency as independent as possible from the temperature, in the intended field of use.
  • the entire outer surface of the oscillator 1 can be oxidized and include a layer of SiO 2 , although the role of this coating is essentially useful on the flexible blades 51, 52, 53.
  • the number of flexible blades shown in the examples described above is not limiting and the skilled person will adapt the number of flexible blades and their arrangement according to his needs.
  • the maximum number of blades being defined by a compromise between the congestion granted to the system (in particular from an aesthetic point of view) and the stability of the system.
  • the blades of a pair may be on the same side of the middle plane or on both sides of this plane.
  • the 3-blade embodiment will typically be inspired, with a flexible blade located in the first plane, sandwiched between two pairs of flexible blades located in the second plane, the sum of the heights of the flexible blades. located in the second plane being equal to the height of the flexible blade in the foreground.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
EP14156053.2A 2014-02-20 2014-02-20 Oszillator einer Uhr Active EP2911012B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14156053.2A EP2911012B1 (de) 2014-02-20 2014-02-20 Oszillator einer Uhr

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00230/14A CH709291A2 (fr) 2014-02-20 2014-02-20 Oscillateur de pièce d'horlogerie.
EP14156053.2A EP2911012B1 (de) 2014-02-20 2014-02-20 Oszillator einer Uhr

Publications (2)

Publication Number Publication Date
EP2911012A1 true EP2911012A1 (de) 2015-08-26
EP2911012B1 EP2911012B1 (de) 2020-07-22

Family

ID=53798069

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14156053.2A Active EP2911012B1 (de) 2014-02-20 2014-02-20 Oszillator einer Uhr

Country Status (3)

Country Link
US (1) US9207641B2 (de)
EP (1) EP2911012B1 (de)
CH (1) CH709291A2 (de)

Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3035126A1 (de) * 2014-12-18 2016-06-22 The Swatch Group Research and Development Ltd. Resonator einer Uhr mit sich kreuzenden Blättern
EP2998800A3 (de) * 2014-09-16 2016-08-03 Patek Philippe SA Genève Uhrkomponente mit flexiblem zapfenlager
WO2017055983A1 (fr) 2015-09-29 2017-04-06 Patek Philippe Sa Geneve Composant mécanique à pivot flexible et dispositif horloger le comprenant
WO2017068538A1 (fr) 2015-10-23 2017-04-27 Richemont International Sa Oscillateur pour un mouvement horloger mécanique
EP3182213A1 (de) * 2015-12-16 2017-06-21 Société anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Einstellmechanismus der mittleren geschwindigkeit in einem uhrwerk, und entsprechendes uhrwerk
EP3182214A1 (de) * 2015-12-16 2017-06-21 Société anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Mechanischer oszillator für eine uhr, regulierungsmechanismus, der diesen mechanischen oszillator umfasst, und entsprechendes uhrwerk
EP3200029A1 (de) * 2016-01-29 2017-08-02 ETA SA Manufacture Horlogère Suisse Resonatormechanismus eines uhrwerks
EP3206089A1 (de) * 2016-02-10 2017-08-16 The Swatch Group Research and Development Ltd. Resonatormechanismus eines uhrwerks
EP3276431A1 (de) * 2016-07-27 2018-01-31 Cartier International AG Mechanischer oszillator für uhrwerk
EP3326963A1 (de) 2016-11-23 2018-05-30 The Swatch Group Research and Development Ltd Flexibles blatt für uhrwerk, und entsprechendes herstellungsverfahren
WO2018100122A1 (fr) * 2016-12-01 2018-06-07 Lvmh Swiss Manufactures Sa Dispositif pour pièce d'horlogerie, mouvement horloger et pièce d'horlogerie comprenant un tel dispositif
WO2018109584A1 (fr) 2016-12-16 2018-06-21 Patek Philippe Sa Geneve Composant horloger a pivot flexible
WO2018153664A2 (fr) 2017-02-22 2018-08-30 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Piece d'horlogerie micromecanique multi-niveaux et son procede de fabrication
EP3382470A1 (de) 2017-03-29 2018-10-03 Patek Philippe SA Genève Oszillator einer uhr mit flexiblem zapfen
EP3410230A1 (de) 2017-06-02 2018-12-05 Patek Philippe SA Genève Herstellungsverfahren eines mechanischen bauteils mit beweglichem zapfen und getrennten, sich kreuzenden blättern
EP3410229A1 (de) 2017-05-30 2018-12-05 Patek Philippe SA Genève Uhrkomponente mit flexiblem zapfen
EP3416001A1 (de) 2017-06-13 2018-12-19 Patek Philippe SA Genève Herstellungsverfahren eines oszillators mit flexiblem zapfen
EP3435172A3 (de) * 2017-07-28 2019-03-20 The Swatch Group Research and Development Ltd Herstellungsverfahren eines flexiblen führungsmechanismus für mechanischen oszillator eines uhrwerks
EP3435171A3 (de) * 2017-07-28 2019-03-20 The Swatch Group Research and Development Ltd Uhrwerkoszillator mit flexiblen führungen mit grosser winkelförmiger laufbahn
EP3572885A1 (de) * 2018-05-25 2019-11-27 ETA SA Manufacture Horlogère Suisse Mechanischer oszillator eines isochronen uhrwerks in jeder position
CN110632838A (zh) * 2018-06-25 2019-12-31 斯沃奇集团研究和开发有限公司 包括具有长角向行程的柔性轴承的钟表振荡器
EP3627242A1 (de) 2018-09-19 2020-03-25 The Swatch Group Research and Development Ltd Optimierter magnet-mechanischer uhrhemmungsmechanismus
EP3686693A1 (de) 2019-01-24 2020-07-29 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Mechanische uhr-regulierungsvorrichtung
WO2021009613A1 (fr) 2019-07-12 2021-01-21 Patek Philippe Sa Geneve Procede de reglage d'un oscillateur horloger a pivot flexible
EP3792700A1 (de) 2019-09-16 2021-03-17 Patek Philippe SA Genève Oszillator einer uhr mit flexiblem zapfen
EP3839651A1 (de) 2019-12-19 2021-06-23 Patek Philippe SA Genève Mechanischer oszillator einer uhr mit flexibler führung
EP3882714A1 (de) 2020-03-19 2021-09-22 Patek Philippe SA Genève Verfahren zur herstellung einer uhrenkomponente aus silizium
EP3936946A1 (de) 2020-07-10 2022-01-12 Patek Philippe SA Genève Oszillator einer uhr mit flexiblem zapfen
EP4009113A1 (de) 2020-12-02 2022-06-08 The Swatch Group Research and Development Ltd Gesamtheit von flexiblen führungen für sich drehenden resonatormechanismus, insbesondere für uhrwerk
EP4012506A1 (de) 2020-12-14 2022-06-15 The Swatch Group Research and Development Ltd Resonatormechanismus eines uhrwerks, der mit einem verschieberahmen ausgestattet ist
EP4016193A1 (de) 2020-12-18 2022-06-22 Omega SA Resonatormechanismus eines uhrwerks mit flexibler führung, die mit mitteln zur einstellung der steifigkeit ausgestattet ist
US11454932B2 (en) 2018-07-24 2022-09-27 The Swatch Group Research And Development Ltd Method for making a flexure bearing mechanism for a mechanical timepiece oscillator
EP4276543A1 (de) 2022-05-10 2023-11-15 The Swatch Group Research and Development Ltd Gesamtheit von flexiblen führungen für sich drehenden resonatormechanismus eines uhrwerks
EP4286959A1 (de) 2022-06-02 2023-12-06 Patek Philippe SA Genève Oszillator einer uhr mit flexiblem zapfen
EP4310599A1 (de) 2022-07-21 2024-01-24 The Swatch Group Research and Development Ltd Regulierorgan für uhrwerk mit flexibler führung und temperaturausgleichsmitteln

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EP2975470B1 (de) * 2014-07-14 2017-05-10 Nivarox-FAR S.A. Biegsamer Führungsdraht für Uhrwerke
CH709905A2 (fr) * 2014-07-21 2016-01-29 Dominique Renaud Sa Pivot à lame.
EP3147725B1 (de) * 2015-09-28 2018-04-04 Nivarox-FAR S.A. Oszillator mit rotierendem gesperr
CH713164B1 (fr) 2016-11-16 2021-10-29 Swatch Group Res & Dev Ltd Protection des lames d'un résonateur de montre mécanique en cas de choc.
CH713137A2 (fr) * 2016-11-16 2018-05-31 Swatch Group Res & Dev Ltd Protection d'un mécanisme résonateur à lames contre les chocs axiaux.
EP3327515B1 (de) * 2016-11-23 2020-05-06 ETA SA Manufacture Horlogère Suisse Sich drehender resonator mit einer flexiblen führung, der von einer freien ankerhemmung gehalten wird
EP3336613B1 (de) 2016-12-16 2020-03-11 Association Suisse pour la Recherche Horlogère Resonator für uhr, der zwei pendellager umfasst, die so angeordnet sind, dass sie auf derselben ebene schwingen können
CH713960B1 (fr) * 2017-07-07 2023-08-31 Eta Sa Mft Horlogere Suisse Elément sécable pour oscillateur d'horlogerie.
CH714024A2 (fr) * 2017-07-28 2019-01-31 Swatch Group Res & Dev Ltd Oscillateur d'horlogerie à guidages flexibles à grande course angulaire.
CH714922A2 (fr) * 2018-04-23 2019-10-31 Eta Sa Mft Horlogere Suisse Protection antichoc d'un mécanisme résonateur d'horlogerie à guidage flexible rotatif.
JP6843191B2 (ja) * 2018-07-24 2021-03-17 ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド 長い角ストロークを有するフレクシャーベアリングを備えた計時器用発振器
EP3690264B1 (de) 2019-01-31 2021-09-29 CSEM Centre Suisse D'electronique Et De Microtechnique SA Vorrichtung mit verriegelten monolithischen flexiblen elementen und zugehöriges verfahren zur generativen fertigung
CH716827A1 (fr) 2019-11-22 2021-05-31 Csem Ct Suisse Delectronique Microtechnique Sa Rech Developpement Régulateur mécanique horloger comportant un échappement à force constante.
EP3865954A1 (de) * 2020-02-12 2021-08-18 Nivarox-FAR S.A. Herstellungsverfahren einer monoblock-vorrichtung mit federzungen aus silizium, für uhrwerk
NL2028796B1 (en) * 2021-07-20 2023-01-23 Flexous Mech Ip B V Method of manufacturing a plurality of mechanical resonators in a manufacturing wafer
EP4343450A1 (de) 2022-09-22 2024-03-27 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Oszillatormechanismus auf flexibler führung für ein mechanisches uhrwerk mit einer stosssicheren aufhängung
WO2024100597A1 (en) 2022-11-09 2024-05-16 Ecole Polytechnique Federale De Lausanne (Epfl) Pivot, process for manufacturing such a pivot, oscillator comprising such a pivot, watch movement and timepiece comprising such an oscillator

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Cited By (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2998800A3 (de) * 2014-09-16 2016-08-03 Patek Philippe SA Genève Uhrkomponente mit flexiblem zapfenlager
EP3035126A1 (de) * 2014-12-18 2016-06-22 The Swatch Group Research and Development Ltd. Resonator einer Uhr mit sich kreuzenden Blättern
WO2016096677A1 (fr) * 2014-12-18 2016-06-23 The Swatch Group Research And Development Ltd Resonateur d'horlogerie a lames croisees
JP2017503155A (ja) * 2014-12-18 2017-01-26 ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド 交差条片を有する計時器共振器
US9836024B2 (en) 2014-12-18 2017-12-05 The Swatch Group Research And Development Ltd Timepiece resonator with crossed strips
JP2017223701A (ja) * 2014-12-18 2017-12-21 ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド 交差条片を有する計時器共振器
JP2017223702A (ja) * 2014-12-18 2017-12-21 ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド 交差条片を有する計時器共振器
JP2018535431A (ja) * 2015-09-29 2018-11-29 パテック フィリップ ソシエテ アノニム ジュネーブ 可撓性枢動機械構成要素及び可撓性枢動機械構成要素を備えた時計装置
US10359737B2 (en) 2015-09-29 2019-07-23 Patek Philippe Sa Geneve Flexible-pivot mechanical component and timekeeping device including same
CN108138837A (zh) * 2015-09-29 2018-06-08 百达翡丽日内瓦公司 柔性枢轴机械部件以及包括该部件的钟表设备
CN108138837B (zh) * 2015-09-29 2020-10-27 百达翡丽日内瓦公司 柔性枢轴机械部件以及包括该部件的钟表设备
WO2017055983A1 (fr) 2015-09-29 2017-04-06 Patek Philippe Sa Geneve Composant mécanique à pivot flexible et dispositif horloger le comprenant
WO2017068538A1 (fr) 2015-10-23 2017-04-27 Richemont International Sa Oscillateur pour un mouvement horloger mécanique
EP3182213A1 (de) * 2015-12-16 2017-06-21 Société anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Einstellmechanismus der mittleren geschwindigkeit in einem uhrwerk, und entsprechendes uhrwerk
WO2017102917A1 (fr) * 2015-12-16 2017-06-22 Société Anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Oscillateur mécanique pour pièce d'horlogerie, mécanisme de réglage comportant cet oscillateur mécanique, et mouvement d'horlogerie
WO2017102916A1 (fr) * 2015-12-16 2017-06-22 Société Anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Mécanisme de réglage d'une vitesse moyenne dans un mouvement d'horlogerie et mouvement d'horlogerie
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US9207641B2 (en) 2015-12-08
US20150234354A1 (en) 2015-08-20
EP2911012B1 (de) 2020-07-22
CH709291A2 (fr) 2015-08-28

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