EP3179316B1 - Kontaktlose zylindrische uhrhemmung - Google Patents

Kontaktlose zylindrische uhrhemmung Download PDF

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Publication number
EP3179316B1
EP3179316B1 EP15199338.3A EP15199338A EP3179316B1 EP 3179316 B1 EP3179316 B1 EP 3179316B1 EP 15199338 A EP15199338 A EP 15199338A EP 3179316 B1 EP3179316 B1 EP 3179316B1
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EP
European Patent Office
Prior art keywords
disc
magnetic
plate
escapement mechanism
gap
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Active
Application number
EP15199338.3A
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English (en)
French (fr)
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EP3179316A1 (de
Inventor
Marc Stranczl
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.)
Nivarox Far SA
Nivarox SA
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Nivarox Far SA
Nivarox SA
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Filing date
Publication date
Application filed by Nivarox Far SA, Nivarox SA filed Critical Nivarox Far SA
Priority to EP15199338.3A priority Critical patent/EP3179316B1/de
Priority to TW105131378A priority patent/TWI691819B/zh
Priority to US15/286,022 priority patent/US9915922B2/en
Priority to JP2016216229A priority patent/JP6236133B2/ja
Priority to KR1020160166769A priority patent/KR101892823B1/ko
Priority to CN201611127522.3A priority patent/CN106919035B/zh
Publication of EP3179316A1 publication Critical patent/EP3179316A1/de
Application granted granted Critical
Publication of EP3179316B1 publication Critical patent/EP3179316B1/de
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Classifications

    • 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
    • G04C3/10—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 driven by electromagnetic means
    • 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
    • G04B15/04—Cylinder 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
    • G04B15/12—Adjusting; Restricting the amplitude of the lever or the like
    • 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
    • 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
    • G04C3/10—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 driven by electromagnetic means
    • G04C3/101—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 driven by electromagnetic means constructional details
    • G04C3/104—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 driven by electromagnetic means constructional details of the pawl or the ratched-wheel
    • G04C3/105—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 driven by electromagnetic means constructional details of the pawl or the ratched-wheel pawl and ratched-wheel being magnetically coupled
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C5/00—Electric or magnetic means for converting oscillatory to rotary motion in time-pieces, i.e. electric or magnetic escapements
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C5/00—Electric or magnetic means for converting oscillatory to rotary motion in time-pieces, i.e. electric or magnetic escapements
    • G04C5/005—Magnetic or electromagnetic means

Definitions

  • the invention relates to a clockwork escapement mechanism, arranged to cooperate with torque supply means, and comprising a regulator mobile cooperating with an escapement wheel, where said escapement mechanism constitutes a magnetic cylinder escapement, and said escape wheel comprises a plurality of actuators, regularly spaced on the periphery of a first disc, pivotally secured to said escape wheel, said actuators each comprising magnetized or ferromagnetic parts conducting a magnetic field.
  • the invention also relates to a timepiece movement comprising such an escapement mechanism.
  • the invention also relates to a watch comprising at least one such movement.
  • the invention relates to the field of horological escapement mechanisms, and more particularly to the field of contactless escapements.
  • the invention relates to a cylinder exhaust mechanism.
  • the invention proposes to improve the magnetic cylinder escapement of the same inventor, by reducing its sensitivity to external magnetic fields, and by allowing a simpler and less expensive realization.
  • the invention relates to a clockwork escapement mechanism according to claim 1.
  • the invention also relates to a timepiece movement comprising such an escapement mechanism.
  • the invention also relates to a watch comprising at least one such movement.
  • the invention relates to the field of horological escapement mechanisms, and more particularly to the field of contactless escapements.
  • the present invention uses the same operating sequences as the international application WO 2015/096973 A2 , which is based on a magnetic repulsion system, but on a different basis from a magnetic attraction system.
  • the figure 1 shows a cylindrical magnet M, above two metal plates A and B.
  • the magnet M is attracted by a magnetic attraction force FA against the metal plate A on which it rests.
  • This magnet M is pushed from right to left, that is to say from plate A to plate B, by an external force, not shown; the arrow F illustrates the path that the magnet M would like to travel.
  • the magnet M slides and will approach the edge A1 of the plate A, as visible on the figure 2 . He will not go further because there is an intermediate space E too wide between the edge A1 of the plate A and a first edge B1 of the plate B: the magnet M sees "a vacuum" and, as it is attracted on the plate A, it does not cross this void of the intermediate space E.
  • Magnet M no longer perceives the “void” and can therefore continue to move from right to left, from plate A to plate B, crossing the reduced residual space ER.
  • the figure 4 shows the magnet M above the plate B, towards which it is attracted by a magnetic force of attraction FB.
  • the invention relates to a timepiece escapement mechanism 1, which is arranged to cooperate with torque supply means, in particular drive motor means 2, such as a barrel or the like.
  • This escape mechanism 1 comprises a mobile regulator 5 cooperating with an escape wheel 3.
  • This escapement mechanism 1 is a magnetic cylinder escapement. And its escape wheel 3 comprises actuators 6 on the periphery of a first disc 30.
  • this first disc 30 is made of a soft ferromagnetic material.
  • first pulse parts 61, and second stop parts 62 are therefore magnetized, or ferromagnetic conductors of a magnetic field, and are each arranged to guide a magnetic field parallel to the pivot axes, and arranged to cooperate in attraction, through the first disc 30, with a second non-magnetic soft ferromagnetic disc 7 integral with the mobile regulator 5.
  • first and second parts 61 and 62 are referred to as the first magnetic part 61 and second magnetic part 62, in the remainder of the present description, whatever their embodiment.
  • this mechanism 1 comprises a ferromagnetic conductive plate 8, under the first disc 30 and without contact with it, comprising a cutout 80 surrounding the periphery 70 of the second disc 7 without contact with a variable air gap E.
  • This plate 8 closes a magnetic circuit comprising such an actuator 6, the first disc 30, the second disc 7, and a structure 34 in which the escape wheel 3 pivots and which carries the plate 8.
  • this escape mechanism 1 comprises at least one escape wheel 3, which is subjected to a pivoting torque, of moment less than or equal to a nominal moment, about a first pivot axis D1, under the action of such torque supply means.
  • This escape mechanism 1 comprises a regulator or resonator member 4 integral with a regulator mobile 5, preferably mounted to pivot about a second real or virtual pivot axis D2.
  • This regulator or resonator member 4 is in particular of the sprung balance or similar type.
  • the exhaust mechanism 1 constitutes a magnetic cylinder exhaust
  • the escape wheel 3 comprises a plurality of such actuators 6, which are regularly spaced on the periphery of a first disc 30, in particular but not limited to soft ferromagnetic, conductive of a magnetic field, integral in pivoting with the escape wheel 3.
  • Each of these actuators 6 comprises parts magnetic, and is arranged to cooperate in attraction, through the first disc 30, with at least one second disc 7 which the mobile regulator 5 comprises, and fixed in pivoting with it.
  • This second disc 7 is soft ferromagnetic, it is not magnetized.
  • each actuator 6 comprises at least: a first magnetic part 61, called a pulse magnet, and a second magnetic part 62, called a stop magnet, which generate or guide magnetic fields substantially in the same direction and in the same direction, substantially parallel to the first pivot axis D1 of the escape wheel 3.
  • these actuators 6 also include mechanical stops 9.
  • the first magnetic part 61, the second magnetic part 62, and the possible mechanical stop 9 follow one another, over a radius substantially equal with respect to the first pivot axis D1.
  • the escape mechanism 1 comprises a ferromagnetic conductive plate 8, arranged under the first disc 30, and without contact with it.
  • this plate 8 comprises a cutout 80 which surrounds, without contact with it, the periphery 70 of the second disc 7, so as to provide an air gap between the plate 8 and the second disc 7.
  • the escape wheel 3 comprises a shaft portion 31, pivoted in bearings 32 and 33 of a structure 34. And the relative arrangement of the first disc 30, of the actuators 6, of the second disc 7, of the plate 8, and of structure 34, is such that the magnetic circuit can be closed in a loop schematized in broken lines under the reference B of the figure 5 .
  • the mobile regulator 5 comprises a truncated ring 50, non-ferromagnetic, which constitutes an additional mechanical stop.
  • the second disc 7 comprises a first peripheral zone 71 defining with the plate 8 a first air gap E1 larger than a second air gap E2 existing between the plate 8 and a second peripheral zone 72 connected to the first zone 71.
  • the actuators 6, and the first air gap E1, and the second air gap E2 are dimensioned so that a first magnetic part 61 can only pass through the second air gap E2, and is blocked by the first air gap E1, according to the principle of the elementary operating brick, explained above.
  • the first zone 71 is a cylindrical sector of first radius R1 around the second pivot axis D2, which is coaxial with the second zone 72 which is a cylindrical sector of the second radius R2.
  • the truncated crown 50 is superimposed on the first zone 71, and its opening corresponds to the second zone 72.
  • the regulator 4 itself has no magnet.
  • the state of the system is as follows: the escape wheel 3, subjected to the torque transmitted by the barrel, tends to turn clockwise, but is here at a standstill. The balance also rotates clockwise, under the effect of the spring's return torque.
  • the first magnetic pulse part 61 of a first actuator 6 is presented, facing the first zone 71 of the second disc 7, at the level of a first air gap E1, because it is forced by the escape wheel 3 to come out.
  • the larger part of the same first actuator 6, constituting the second magnetic stop part 62, has a greater magnetic force and does not come out of the ferromagnetic plate 8.
  • the first magnetic pulse part 61 is at the level of a first largest air gap E1, into which it has entered, and the second magnetic stop part 62 does not pass.
  • the actuator 6 concerned is therefore stopped at the edge of the air gap E.
  • the figure 8 illustrates the start of the hourly pulse: the balance passes through the neutral point, where the spring-loaded return torque is zero, and the first magnetic pulse part 61 will begin to apply an impulse to the balance by magnetic attraction of the second disc 7. Escape wheel 3 is still stationary. The clockwise movement of the balance is illustrated by the arrow DB. It can be seen that the second zone 72 of the second disc 71 approaches the first magnetic pulse part 61.
  • the figure 9 shows the end of the time pulse: the first magnetic pulse part 61 attracts the balance and closes the air gap by cooperating with the second zone 72 and the second air gap E2, and therefore opens the way to the second magnetic part of stop 62, which can cross this second gap E2. Escape wheel 3 is still stationary, but will therefore start to turn clockwise.
  • the pulse FI by magnetic attraction is comparable to a constant force.
  • the arrows DB and FR indicate the path already traveled by the balance and the escape wheel respectively.
  • the figure 10 illustrates the beginning of the alternation of the balance and the rotation of the escape wheel: the balance rotates under the effect of the impulse, and the escape wheel 3 advances.
  • the first actuator 6, which has crossed the air gap E, is now superimposed on the second disc 70, while a second actuator 6, which was previously superimposed on the second disc 6, is now approaching at the level of the air gap E, but between the second disc 7 and a downstream part 8B of the ferromagnetic plate 8.
  • the figure 11 shows the rotation of the balance under the effect of the impulse, and the escape wheel 3 which is stopped by the second magnetic stop part 62 of the second actuator 6 inside the crown 50, the first magnetic part pulse 61 of this second actuator 8 covering the first air gap E1 on the side of the downstream part 8B.
  • each actuator 6 plays a role equivalent to that of a tooth of the escape wheel in a conventional mechanical escapement.
  • the figure 12 corresponds to the maximum amplitude of the balance, the escape wheel 3 is still stationary.
  • the figure 13 shows the counterclockwise rotation of the balance with the escape wheel still stationary.
  • the figure 14 shows the continuation of the anti-clockwise rotation of the balance, which tends to bring the second zone 72 of the second disc 7 closer to the second actuator 6 still awaiting passage to the downstream part 8B.
  • the figure 15 shows the situation at the instant before the start of the impulse, where the second zone 72 of the second disc 7 arrives at the level of the first magnetic impulse part 61 of the second actuator 6.
  • the escape wheel is still at the level. 'stop.
  • the figure 16 shows the end of the pulse imparted by the first magnetic pulse part 61 of the second actuator 6.
  • the escape wheel 3 begins to rotate.
  • the figure 17 shows escape wheel 3 which is stationary after turning.
  • the second actuator 6 has passed through the passage between the second disc 7 and the downstream part 8B, above which it is now located, and a third actuator 6 is present at the interface between the upstream part 8A and the second disc 7 , and is stopped, only its first magnetic pulse part 61 being above the air gap E1, while its second magnetic stop part 62 cannot pass.
  • the figure 18 shows the continuation of the anti-clockwise rotation of the balance, the escape wheel being stationary.
  • the figure 19 shows the clockwise rotation of the balance after reversing the direction, the escape wheel is still at a standstill, blocked by the third actuator 6.
  • the figure 20 shows the continuation of the clockwise rotation of the balance, the second zone 72 approaches the third actuator 6, and the escape wheel 3 is stationary.
  • the figure 21 shows the start of the hourly pulse, given by the first magnetic pulse part 61 of the third actuator 6.
  • the escape wheel is still stationary.
  • the figure 22 shows the role of the mechanical stops 9 and complementary mechanical stop 50, absorbing the torque imparted to the escape wheel.
  • the invention also relates to a timepiece movement 100 comprising such an escapement mechanism.
  • the invention also relates to a watch 200 comprising at least one such movement 100.
  • the magnetic cylinder escapement by attraction presents an advance over the magnetic cylinder escapement by repulsion, because it is less sensitive to external magnetic fields, and it is simpler to produce.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
  • Micromachines (AREA)
  • Electromechanical Clocks (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Claims (9)

  1. Hemmungsmechanismus (1) für die Uhrmacherei, der angeordnet ist, um mit Momentbereitstellungsmitteln (2) zusammenzuwirken, und der mindestens ein Hemmungsrad (3) beinhaltet, das einem Drehmoment mit einem Moment kleiner oder gleich einem Nennmoment um eine erste Drehachse (D1) herum unter der Wirkung der Momentbereitstellungsmittel (2) unterliegt, und ein regelndes Organ (4) beinhaltet, das fest mit einem regelnden Drehteil (5) verbunden ist, das um eine zweite Drehachse (D2) herum drehbar montiert ist, wobei der Hemmungsmechanismus (1) eine Hemmung mit Magnetzylinder darstellt und das Hemmungsrad (3) eine Vielzahl von Wirkgliedern (6) beinhaltet, die regelmäßig an der Peripherie einer ersten Scheibe (30) beabstandet sind, die drehfest mit dem Hemmungsrad (3) verbunden ist, wobei die Wirkglieder (6) jeweils magnetische oder ferromagnetische, ein Magnetfeld leitende Teile beinhalten, dadurch gekennzeichnet, dass jedes der Wirkglieder angeordnet ist, um anziehend durch die erste Scheibe (30) hindurch mit mindestens einer zweiten Scheibe (7) zusammenzuwirken, die das regelnde Drehteil (5) beinhaltet, und drehfest damit verbunden ist, wobei die zweite Scheibe (7) ferromagnetisch, weich und nicht magnetisiert ist, wobei jedes Wirkglied (6) mindestens einen ersten magnetischen Steuerungsteil (61) und einen zweiten magnetischen Anhalteteil (62) beinhaltet, die Magnetfelder im Wesentlichen in derselben Richtung und im selben Sinn, im Wesentlichen parallel zur ersten Drehachse (D1) des Hemmungsrades (3) erzeugen oder mitnehmen, dadurch gekennzeichnet, dass der Hemmungsmechanismus (1) im Wesentlichen in derselben Ebene wie die zweite Scheibe (7) eine ferromagnetische leitende Platte (8) beinhaltet, die unter der ersten Scheibe (30) und ohne Kontakt damit angeordnet ist, wobei die Platte (8) einen Ausschnitt (80) beinhaltet, der ohne Kontakt damit die Peripherie (70) der zweiten Scheibe (7) umgibt, um einen variablen Luftspalt (E) zwischen der Platte (8) und der zweiten Scheibe (7) vorzusehen, und die Platte (8) angeordnet ist, um für das Schließen des Magnetkreises zu sorgen, der durch mindestens ein Wirkglied (6), die erste Scheibe (30), die zweite Scheibe (7) und eine Struktur (34) gebildet wird, in der sich das Hemmungsrad (3) dreht, und die die Platte (8) trägt, und dadurch gekennzeichnet, dass die zweite Scheibe (7) eine erste Peripheriezone (71) beinhaltet, die mit der Platte (8) einen ersten Luftspalt (E1) definiert, der größer als ein zweiter Luftspalt (E2) ist, der zwischen der Platte (8) und einer zweiten Peripheriezone (72) existiert, die mit der ersten Zone (71) verbunden ist, und dadurch, dass die Wirkglieder (6) und der erste Luftspalt (E1) und der zweite Luftspalt (E2) bemessen sind, damit ein erster magnetische Teil (61) nur den zweiten Luftspalt (E2) überwinden kann und durch den ersten Luftspalt (E1) blockiert wird.
  2. Hemmungsmechanismus (1) nach Anspruch 1, dadurch gekennzeichnet, dass die erste Zone (71) ein zylindrischer Sektor mit einem ersten Radius (R1) um die zweite Drehachse (D2) herum koaxial zur zweiten Zone (72) ist, die ein zylindrischer Sektor mit einem zweiten Radius (R2) ist.
  3. Hemmungsmechanismus (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass jedes Wirkglied (6) im Anschluss an den ersten magnetischen Steuerungsteil (61) und den zweiten magnetischen Anhalteteil (62) einen mechanischen Anschlag (9) beinhaltet, der angeordnet ist, um im Falle eines zu hohen Moments mit einer nicht ferromagnetischen abgestumpften Krone (50) zusammenzuwirken, die das regelnde Drehteil (5) beinhaltet und die einen ergänzenden mechanischen Anschlag bildet.
  4. Hemmungsmechanismus (1) nach Anspruch 3, dadurch gekennzeichnet, dass sich die abgestumpfte Krone (50) über die erste Zone (71) überlagert und dadurch, dass deren Öffnung der zweiten Zone (72) entspricht.
  5. Hemmungsmechanismus (1) nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass der erste magnetische Steuerungsteil (61), der zweite magnetische Anhalteteil (62) und der mechanische Anschlag (9) auf einem Radius im Wesentlichen gleich im Verhältnis zur ersten Drehachse (D1) aufeinanderfolgend sind.
  6. Hemmungsmechanismus (1) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das regelnde Organ (4) mit keinem Magneten versehen ist.
  7. Hemmungsmechanismus (1) nach einem der Ansprüche 1 bis 6 dadurch gekennzeichnet, dass die erste Scheibe (30) aus einem weichen ferromagnetischen Material gefertigt ist.
  8. Uhrwerk (100), das einen Hemmungsmechanismus (1) nach einem der Ansprüche 1 bis 7 beinhaltet.
  9. Uhr (200), die ein Uhrwerk (100) nach Anspruch 8 beinhaltet.
EP15199338.3A 2015-12-10 2015-12-10 Kontaktlose zylindrische uhrhemmung Active EP3179316B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP15199338.3A EP3179316B1 (de) 2015-12-10 2015-12-10 Kontaktlose zylindrische uhrhemmung
TW105131378A TWI691819B (zh) 2015-12-10 2016-09-29 時計擒縱機構、時計機芯及錶
US15/286,022 US9915922B2 (en) 2015-12-10 2016-10-05 Contactless cylinder escapement
JP2016216229A JP6236133B2 (ja) 2015-12-10 2016-11-04 非接触シリンダ脱進機
KR1020160166769A KR101892823B1 (ko) 2015-12-10 2016-12-08 무접촉식 실린더 이스케이프먼트
CN201611127522.3A CN106919035B (zh) 2015-12-10 2016-12-09 非接触式工字轮式擒纵机构

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15199338.3A EP3179316B1 (de) 2015-12-10 2015-12-10 Kontaktlose zylindrische uhrhemmung

Publications (2)

Publication Number Publication Date
EP3179316A1 EP3179316A1 (de) 2017-06-14
EP3179316B1 true EP3179316B1 (de) 2021-09-15

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EP15199338.3A Active EP3179316B1 (de) 2015-12-10 2015-12-10 Kontaktlose zylindrische uhrhemmung

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US (1) US9915922B2 (de)
EP (1) EP3179316B1 (de)
JP (1) JP6236133B2 (de)
KR (1) KR101892823B1 (de)
CN (1) CN106919035B (de)
TW (1) TWI691819B (de)

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EP3182225B1 (de) * 2015-12-18 2018-08-08 Montres Breguet S.A. Uhr sequenzer mit durchgangsrad mit verringerter mechanischer reibung

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CH709019B1 (fr) * 2013-12-23 2018-05-15 Swatch Group Res & Dev Ltd Mécanisme d'échappement magnétique ou électrostatique.

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TWI691819B (zh) 2020-04-21
CN106919035A (zh) 2017-07-04
EP3179316A1 (de) 2017-06-14
JP2017106901A (ja) 2017-06-15
TW201727402A (zh) 2017-08-01
US9915922B2 (en) 2018-03-13
US20170168454A1 (en) 2017-06-15
KR20170069159A (ko) 2017-06-20
JP6236133B2 (ja) 2017-11-22
KR101892823B1 (ko) 2018-10-04
CN106919035B (zh) 2019-06-07

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