EP3182215A1 - Systeme oscillateur pour montre - Google Patents

Systeme oscillateur pour montre Download PDF

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Publication number
EP3182215A1
EP3182215A1 EP15199927.3A EP15199927A EP3182215A1 EP 3182215 A1 EP3182215 A1 EP 3182215A1 EP 15199927 A EP15199927 A EP 15199927A EP 3182215 A1 EP3182215 A1 EP 3182215A1
Authority
EP
European Patent Office
Prior art keywords
base plate
oscillating system
lever
spiral
fastening
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.)
Withdrawn
Application number
EP15199927.3A
Other languages
German (de)
English (en)
Inventor
Karsten Fraessdorf
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.)
Novasort SA
Original Assignee
Novasort SA
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 Novasort SA filed Critical Novasort SA
Priority to EP15199927.3A priority Critical patent/EP3182215A1/fr
Priority to US16/061,561 priority patent/US11415941B2/en
Priority to EP19152279.6A priority patent/EP3499318B1/fr
Priority to EP16809824.2A priority patent/EP3391154B1/fr
Priority to PCT/EP2016/081005 priority patent/WO2017102845A1/fr
Publication of EP3182215A1 publication Critical patent/EP3182215A1/fr
Withdrawn legal-status Critical Current

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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
    • G04B17/06—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
    • G04B17/22—Compensation of mechanisms for stabilising frequency for the effect of variations of temperature
    • G04B17/222—Compensation of mechanisms for stabilising frequency for the effect of variations of temperature with balances
    • 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
    • G04B17/34—Component parts or constructional details, e.g. collet, stud, virole or piton for fastening the hairspring onto the balance
    • 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
    • G04B29/00—Frameworks
    • G04B29/02—Plates; Bridges; Cocks

Definitions

  • the invention relates to a vibration system for a movement according to the preamble of claim 1 and a movement according to the independent claim.
  • Oscillation systems for mechanical movements typically include restlessness, with restlessness typically encompassing a rash.
  • mechanical watch vibration systems typically include a helix.
  • the required spirals are typically made from a mostly drawn rod. Initially, a starting material is initially reduced from about 30 cm to about 6 mm in diameter and then brought to the required mass, often only to a blade thickness of 0.03 to 0.04 mm (with a manufacturing tolerance of 1/10 1/1000 mm) at one Height 0.10 to 0.20 mm, and then, after a thermal treatment and shortening to the required length by means of a tool which winds several of these strips in a drum, to be brought into the typical spiral shape.
  • the restlessness After balancing the restlessness, which is necessary because of the production-related imbalance described above, the restlessness is typically placed on a special machine, which measures after a conscientious adjustment once the inertia of restlessness and automatically defines in which class the unrest is divided.
  • the spiral to be used After the spiral to be used has been shortened in the middle in order to remove a hook which typically arises during winding, it is placed on a so-called spiral roll and pressed into place. Due to the design, the spiral is often slightly decentered, which has a detrimental effect on the movement of the watch. The spiral is then placed on a special machine, which in turn compares the force ratios of the spiral with a set value to then decide in which class the spiral must be divided.
  • the power of the gear train of the mechanical movement is typically transmitted by means of the so-called anchor from the train to the restlessness.
  • the force is typically transmitted by means of two rubies from the last wheel of the gear train, the so-called escape wheel, via an ellipse on the restlessness.
  • the anchor is typically made of steel to achieve the required hardness and is therefore often relatively heavy.
  • the attachment of the rubies, the so-called pallets is also typically problematic, whereby the positioning and above all the angular accuracy are particularly difficult. For manufacturing reasons, the geometry of the pallets is also limited.
  • the object is achieved by a vibration system according to claim 1.
  • the invention is based on the finding that especially the presence of a riffraff makes the manufacturing process of the oscillating system very complicated, inter alia because at the necessary manufacturing steps, especially when turning, material stresses occur, which imbalances in to show unrest. These imbalances must then be rebalanced relatively expensive.
  • the invention thus solves the problem, in principle, by the fact that the unruly, which is indeed part of the horological tradition, which however makes the production of vibration systems complicated, is omitted.
  • the base plate is substantially strip-shaped or substantially cross-shaped.
  • Such base plate shapes have the advantage, unlike a traditional unruly riffraff, that they are easy to manufacture, especially with low stress manufacturing techniques. In principle, many manufacturing methods are suitable, with the exception of turning to make the base plate.
  • the base plate is preferably produced by means of punching and / or laser cutting and / or water cutting and / or by means of the LIGA method, or by a combination of these methods. In principle, the base plate may be made by any method suitable for processing wafers.
  • the base plate comprises a middle part and at least two first legs.
  • the first legs are typically arranged at a distance of 180 degrees around the central part, in other words, exactly opposite on opposite sides of the central part.
  • the central part in this case comprises an axle bore and each of the first legs comprises a fastening bore for fastening in each case one of the at least two mass elements.
  • the mounting holes are arranged in each case at the ends of the legs, ie on the middle part facing away from the legs.
  • each of the first two legs comprises a longitudinal slot.
  • material savings in the region of the first leg can be achieved in an extremely simple manner, whereby their mass is reduced in the region of the longitudinal slots.
  • mass reductions have an advantageous effect on the function of the vibration system, because they stabilize the vibration behavior.
  • said longitudinal slots can improve a torsional rigidity of the base plate.
  • the vibration system comprises a fastening element for fastening the spiral to the base plate.
  • a fastening element for fastening the spiral to the base plate.
  • the fastening element is pin-shaped, wherein the base plate, in particular the middle part, preferably comprises a pin socket for receiving the fastening element.
  • the base plate in particular the middle part, preferably comprises a pin socket for receiving the fastening element.
  • This embodiment has the advantage that it is particularly easy to manufacture and to complain.
  • the pin is preferably soldered to the spiral and pressed into the pin socket.
  • the pin socket is preferably continuous and preferably designed as a bore.
  • the vibration system comprises a lever element.
  • a lever element has the advantage that a connection to the armature of the mechanical movement can be realized particularly easily.
  • An alternative to a lever element may be a corresponding embodiment of the armature and / or a double role.
  • the lever element is designed as a lever stone, particularly preferably as a lever ellipse, with particular advantage as a lever part ellipse cylinder, wherein the base plate, in particular the middle part, preferably comprises a lever socket for receiving the lever element.
  • the lever is preferably pressed into the lever socket.
  • the lever socket is preferably designed to be continuous, that hot it penetrates the base plate completely.
  • Such an arrangement of lever and lever lever has the advantage that a horizontality between the lever element and anchor is particularly easy to ensure.
  • the shaft comprises a single roller, which is preferably suitable to act as an integrated security role and / or to limit a movement of a safety knife.
  • a single roller which is preferably suitable to act as an integrated security role and / or to limit a movement of a safety knife.
  • the shaft comprises a first section, a second section, a third section and two bearing sections, wherein each of the bearing sections preferably comprises a first partial bearing section and a second partial bearing section.
  • the single roller comprises a recess, in particular a lateral recess, which is designed such that it is suitable to act as an integrated security role and / or to limit a movement of a safety knife of the mechanical movement.
  • This recess is preferably designed erlipsenförmig. The presence of such a single roll is advantageous because it simplifies the structure of the vibrating system.
  • the spiral comprises a concentric part and an Archimedean part, wherein the concentric part lies at least partially within the Archimedean part.
  • the base plate comprises at least two second legs.
  • the second legs are preferably arranged so alternately with the first legs around the central part, in particular in each case at an angular distance of 90 degrees, that a substantially cross-shaped base plate is formed.
  • the presence of two second legs in addition to the two first legs has the advantage that additional adjustment possibilities for the vibration system can be created. This is particularly advantageous if no feedback is provided in the vibration system.
  • each of the second legs comprises an angle element, wherein each angle element preferably comprises an angular bore for receiving a set screw.
  • each angle element comprises a slot which is adapted to cooperate with the angular bore such that a secure screwing of the adjusting screw is made possible in the angular bore.
  • each angle element comprises two setscrews, two angle holes and two slots. It is particularly advantageous if one of the screws of each angle element is greater than the other, wherein the large screw is designed with advantage as a ground screw and wherein the small screw is designed with advantage as a regulating screw. It is particularly advantageous if the large adjusting screw is at least partially made of gold and / or if the small adjusting screw is at least partially made of copper or a copper alloy, in particular CuBe.
  • a movement according to the invention comprises an oscillating system according to the invention.
  • An anchor of the movement and / or an escape wheel of the movement is or are made in ruby. This has an advantageous effect on the mass of the mechanical movement and on the prevailing friction conditions in it.
  • FIG. 1 shows a first embodiment of an inventive oscillation system S for a mechanical movement in exploded view.
  • base plate 1 comprises a central part 7 and two first legs 8 (for the sake of clarity is in FIG. 1 only one of the two first legs 8, namely the right seen by the viewer, provided with a reference numeral).
  • the base plate 1 is substantially strip-shaped, only in the region of the central part 7 and in the region of the respective ends of the two first leg 8 slight curves are present, which prevent the formation of burrs at least in part.
  • the base plate 1 comprises in the region of its central part 7 an axle hole 9, which is located in the geometric center of the base plate 1, and a pin socket 11 and a lever socket 12. Further, each of the two first leg 8 of the base plate 1 comprises a mounting hole 10 (the better Overview is in FIG. 1 only one of the two mounting holes 10, namely the one seen from the viewer left, provided with a reference numeral) and a longitudinal slot 25 (of which in turn only one of the two is provided with a reference numeral).
  • the oscillatory system S further comprises a shaft 6, on which the base plate 1 fastened, in particular attachable and / or can be pressed.
  • the oscillating system S further comprises a spiral 3.
  • the spiral 3 comprises an inner concentric part 3a which, when the oscillating system S is mounted, runs concentrically around the shaft 6, and an Archimedean part 3b.
  • a fastening element 4 in particular a pin, is attached, in particular soldered, to an inner side of the spiral 3. This fastener 4 is in turn pressed into the pin socket 11, resulting in that the spiral 3 is connected to the base plate 1.
  • the oscillating system S further comprises two mass elements 2.
  • Each of these mass elements 2 can be pressed into one of the two fastening bores 10 in order to connect the mass elements 2 to the base plate 1.
  • each mass element 2 comprises a fastening bolt 26.
  • the fastening bolts are in FIG. 1 however, not to be recognized, because they are arranged on the respective lower sides of the mass elements 2.
  • FIG. 2 shows a perspective view of a shaft 6 according to the invention.
  • the shaft 6 comprises a single roller 13, a first section 14, a second section 15 and a third section 16.
  • the first section 14 is adjacent to the single roller 13 and has the largest diameter of all sections ,
  • the diameter of the second portion 15 is smaller than that of the first portion 14 but larger than that of the third portion 16, which adjoins the second portion 15.
  • the first portion 14 and the second portion 15 are approximately equal in length, and the third portion 16 is approximately twice as long as the first portion 14 and / or the second portion 15.
  • the shaft 6 also includes a respective bearing section.
  • Each of the two bearing sections comprises a first partial bearing section 17 and a second partial bearing section 18. From the bearing section located below the single roller 13 as viewed by the observer, only the second partial bearing section 18 can be seen.
  • the second partial bearing section 18 is in each case longer than the first partial bearing section 17, but in each case has a smaller diameter.
  • the shaft 6 is guided through the axle hole 9, wherein the base plate 1 is seated on the first portion 14, wherein the second portion 15 is at least partially in the axle hole 9 and wherein the third portion 16 protrudes beyond the base plate 1 ( please refer FIG. 4 ).
  • the single roller 13 comprises a recess 19, which allows the single roller 13 to act as an integrated security roller and / or to limit movement of a safety knife of the mechanical movement.
  • FIG. 3 shows a perspective visualization of an inventive mass element 2 and its fixation on a base plate 1 according to the invention here.
  • the fastening bolt 26 can be seen on the underside of the mass element 2, which is suitable in the mounting hole 10 of FIG. 3 to intervene fragmentary illustrated base plate 1.
  • FIG. 4 shows a side view of the first embodiment of an inventive vibration system S in the fully assembled state. Because of the better overview are in FIG. 4 not all components provided with reference numerals.
  • the two mass elements 2 are pressed into the base plate 1.
  • the shaft 6 passes through (as in the description of the FIG. 2 already explained), the base plate 1 in the middle.
  • the lever element 5 is pressed from below into the base plate 1.
  • the fastening element 4 is pressed from above into the base plate 1. On the fastening element 4, the spiral 3 is attached.
  • the already assembled oscillating system S has - as already mentioned - a multitude of advantages. On the one hand, it is possible to punch out the base plate 1 in one pass or to cut it out in one clamping. Thus, it becomes possible to manufacture a base plate 1 in absolute equilibrium, since at the same time the axle hole 9 for which the shaft 6 is mounted, as well as lever socket for receiving the lever element. 5
  • the mass elements 2 which are subsequently attached to increase the mass inertia and are typically manufactured in different dimensions, can be used to adapt the oscillating system S to the force ratios of the production lot of the spiral 3 in a particularly simple manner. By eliminating the turmoil, the vibration system S is also much freer from imbalances or problems of round and flat running than a classic restlessness.
  • Another advantage is that to some extent a part of the otherwise double role is directly attached to the shaft 6, and since the other part of the double role deleted by the direct pressing of the lever member 5 in the base plate 1 is a double role as a component no longer needed. Also, the spiral roll typically used in a classical restlessness is eliminated because the spiral 3 is mounted directly on the fastener 4, which in turn is pressed into the base plate. As a result, the total wave 6 of the vibration system S is greatly simplified compared to a classic restlessness. In addition, by eliminating the spiral roll, the shaft 6 does not have to be riveted, as is typically the case with a classic restlessness, but can simply be pressed into the base plate 1.
  • FIG. 5 shows a part of a second embodiment of an inventive oscillation system S in a perspective view.
  • the vibration system S is in FIG. 5 shown without wave and without spiral. It can in principle be combined with the shaft 6 shown in the preceding figures and the spiral 3 likewise shown in the preceding figures.
  • the vibration system S comprises a base plate 1, which is substantially cross-shaped.
  • the base plate 1 comprises a middle part 7 with an axle hole 9, through which, when the oscillating system S is assembled, said shaft 6 is guided. From the middle part 7, two first legs 8 extend outwards (only one is in) FIG. 5 provided with reference numerals) at the ends of each a mass element 2 is mounted (only one is in FIG. 5 provided with reference numerals).
  • the first leg 8 are arranged exactly opposite one another with respect to the central part 7. Also seen exactly opposite from the middle part of two second legs 20. Between each of a second leg 20 and a first leg 8 is in each case an angle of 90 degrees clamped. In other words, the first leg 8 and second leg 20 are arranged alternately and gelichmässig around the central part 7 around.
  • Each second leg 20 comprises in the region of its respective end an angular element 21.
  • Each angle element 21 comprises an angular bore 22 into which a set screw 23 can be screwed in such a way that a central axis of the set screw 23 extends at right angles to an axis of rotation of the oscillation system S passing through the shaft.
  • the adjusting screws 23 are used for fine tuning of the oscillating system S.
  • each angle element 21 also comprises a slot 24 which is suitable for interacting with the angular bore 22 in such a way that that a secure screwing the screw 23 into the angular bore 22 is made possible.
  • FIG. 6 shows a part of a third embodiment of an inventive oscillation system S in a perspective view.
  • the third embodiment corresponds essentially to the second embodiment, wherein the angle elements are screwed in the third embodiment in the form of angular parts 27 on the second leg, whereas they are realized in the second embodiment by 90-degree bending of the ends of the second leg 20.
  • each angle member 27 in the third embodiment in addition to the already existing in the second embodiment of the adjusting screw 23, a second adjusting screw 28, which in each case a second slot 29 is assigned.
  • FIG. 6 only the components are provided with reference numerals, which are shown there for the first time.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Micromachines (AREA)
  • Transmission Devices (AREA)
  • Vibration Prevention Devices (AREA)
EP15199927.3A 2015-12-14 2015-12-14 Systeme oscillateur pour montre Withdrawn EP3182215A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP15199927.3A EP3182215A1 (fr) 2015-12-14 2015-12-14 Systeme oscillateur pour montre
US16/061,561 US11415941B2 (en) 2015-12-14 2016-12-14 Oscillating system for a watch
EP19152279.6A EP3499318B1 (fr) 2015-12-14 2016-12-14 Système oscillant pour montre
EP16809824.2A EP3391154B1 (fr) 2015-12-14 2016-12-14 Système oscillant pour montre
PCT/EP2016/081005 WO2017102845A1 (fr) 2015-12-14 2016-12-14 Système oscillant pour montre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15199927.3A EP3182215A1 (fr) 2015-12-14 2015-12-14 Systeme oscillateur pour montre

Publications (1)

Publication Number Publication Date
EP3182215A1 true EP3182215A1 (fr) 2017-06-21

Family

ID=54849858

Family Applications (3)

Application Number Title Priority Date Filing Date
EP15199927.3A Withdrawn EP3182215A1 (fr) 2015-12-14 2015-12-14 Systeme oscillateur pour montre
EP16809824.2A Active EP3391154B1 (fr) 2015-12-14 2016-12-14 Système oscillant pour montre
EP19152279.6A Active EP3499318B1 (fr) 2015-12-14 2016-12-14 Système oscillant pour montre

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP16809824.2A Active EP3391154B1 (fr) 2015-12-14 2016-12-14 Système oscillant pour montre
EP19152279.6A Active EP3499318B1 (fr) 2015-12-14 2016-12-14 Système oscillant pour montre

Country Status (3)

Country Link
US (1) US11415941B2 (fr)
EP (3) EP3182215A1 (fr)
WO (1) WO2017102845A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110221531A (zh) * 2018-03-01 2019-09-10 劳力士有限公司 制造热补偿振荡器的方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH22362A (fr) * 1900-08-28 1902-01-15 Achille Hirsch Balancier pour pièces d'horlogerie portatives
DE528962C (de) * 1931-07-06 Emil Volkers Kompensierte Unruhe
US2116257A (en) * 1935-11-21 1938-05-03 Aegler Hermann Balance wheel
DE2113427A1 (de) * 1970-05-22 1971-11-25 Centre Electron Horloger Vorrichtung zum Blockieren einer elektrodynamisch angetriebenen Spiralfeder-Unruh
US3626691A (en) * 1968-09-06 1971-12-14 Far Fab Assortiments Reunies Watch balance
EP1256854A2 (fr) * 2001-05-11 2002-11-13 Seiko Instruments Inc. Structure de spiral et mécanisme de réglage pour montre
GB2416408A (en) * 2003-10-20 2006-01-25 Gideon R Levingston Balance Wheel, Balance Spring and Other Components and Assemblies for a Mechanical Oscillator System and Methods of Manufacture
WO2008135817A2 (fr) * 2007-05-08 2008-11-13 Patek, Philippe Sa Composant horloger et son procédé de fabrication
EP2570868A1 (fr) * 2011-09-13 2013-03-20 Patek Philippe SA Genève Pièce pour mouvement d'horlogerie, mouvement d'horlogerie et pièce d'horlogerie

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US2962900A (en) * 1959-04-29 1960-12-06 Wheaton Engineering Corp Lever escapements
CH390808A (fr) 1961-12-28 1964-12-15 Omega Brandt & Freres Sa Louis Appareil pour mesurer séparément le moment d'inertie de balanciers et le moment de force de spiraux
US3382667A (en) * 1966-04-01 1968-05-14 Hamilton Watch Co Watch regulator
CH1283368A4 (fr) 1968-08-27 1972-10-31 Fabriques De Spiraux Reunis So Procédé pour l'obtention d'un ensemble oscillant balancier-spiral de fréquence désirée
US3568431A (en) * 1969-07-07 1971-03-09 Voumard Machines Co Sa Electric time piece with balance wheel and hairspring
EP2485096A1 (fr) 2007-11-20 2012-08-08 Richemont International S.A. Mouvement de montre mécanique
EP2104006B1 (fr) * 2008-03-20 2010-07-14 Nivarox-FAR S.A. Double spiral monobloc et son procédé de fabrication
US8147127B2 (en) * 2008-12-18 2012-04-03 Manufacture Roger Dubuis S.A. Fixation of a spiral spring in a watch movement
EP2455825B1 (fr) 2010-11-18 2016-08-17 Nivarox-FAR S.A. Procédé d'appairage et d'ajustement d'un sous-ensemble d'horlogerie
CN104428723A (zh) * 2012-07-13 2015-03-18 锡克拜控股有限公司 鉴定计时器的方法
EP2874019B1 (fr) 2013-11-15 2021-01-13 Richemont International S.A. Courbe terminale pour un spiral entraîné par son extrémité extérieure

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE528962C (de) * 1931-07-06 Emil Volkers Kompensierte Unruhe
CH22362A (fr) * 1900-08-28 1902-01-15 Achille Hirsch Balancier pour pièces d'horlogerie portatives
US2116257A (en) * 1935-11-21 1938-05-03 Aegler Hermann Balance wheel
US3626691A (en) * 1968-09-06 1971-12-14 Far Fab Assortiments Reunies Watch balance
DE2113427A1 (de) * 1970-05-22 1971-11-25 Centre Electron Horloger Vorrichtung zum Blockieren einer elektrodynamisch angetriebenen Spiralfeder-Unruh
EP1256854A2 (fr) * 2001-05-11 2002-11-13 Seiko Instruments Inc. Structure de spiral et mécanisme de réglage pour montre
GB2416408A (en) * 2003-10-20 2006-01-25 Gideon R Levingston Balance Wheel, Balance Spring and Other Components and Assemblies for a Mechanical Oscillator System and Methods of Manufacture
WO2008135817A2 (fr) * 2007-05-08 2008-11-13 Patek, Philippe Sa Composant horloger et son procédé de fabrication
EP2570868A1 (fr) * 2011-09-13 2013-03-20 Patek Philippe SA Genève Pièce pour mouvement d'horlogerie, mouvement d'horlogerie et pièce d'horlogerie

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110221531A (zh) * 2018-03-01 2019-09-10 劳力士有限公司 制造热补偿振荡器的方法

Also Published As

Publication number Publication date
EP3499318A1 (fr) 2019-06-19
US11415941B2 (en) 2022-08-16
US20180364645A1 (en) 2018-12-20
EP3391154A1 (fr) 2018-10-24
WO2017102845A1 (fr) 2017-06-22
EP3499318B1 (fr) 2020-09-09
EP3391154B1 (fr) 2019-10-09

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