EP3579061A1 - Etui für elektromechanische armbanduhr, und dieses umfassende einheit - Google Patents

Etui für elektromechanische armbanduhr, und dieses umfassende einheit Download PDF

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Publication number
EP3579061A1
EP3579061A1 EP18194698.9A EP18194698A EP3579061A1 EP 3579061 A1 EP3579061 A1 EP 3579061A1 EP 18194698 A EP18194698 A EP 18194698A EP 3579061 A1 EP3579061 A1 EP 3579061A1
Authority
EP
European Patent Office
Prior art keywords
watch
box
time
case
hands
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
EP18194698.9A
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English (en)
French (fr)
Other versions
EP3579061B1 (de
Inventor
Johnny BÜHLER
Jean-Jacques Born
Cédric Nicolas
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.)
Harry Winston SA
Original Assignee
Harry Winston 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 Harry Winston SA filed Critical Harry Winston SA
Publication of EP3579061A1 publication Critical patent/EP3579061A1/de
Application granted granted Critical
Publication of EP3579061B1 publication Critical patent/EP3579061B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C9/00—Electrically-actuated devices for setting the time-indicating means
    • G04C9/08—Electrically-actuated devices for setting the time-indicating means by electric drive
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F7/00—Show stands, hangers, or shelves, adapted for particular articles or materials
    • A47F7/02—Show stands, hangers, or shelves, adapted for particular articles or materials for jewellery, dentures, watches, eye-glasses, lenses, or the like
    • A47F7/022—Show stands, hangers, or shelves, adapted for particular articles or materials for jewellery, dentures, watches, eye-glasses, lenses, or the like for watches or for bracelets therefor
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
    • G04D7/006—Testing apparatus for complete clockworks with regard to external influences or general good working
    • G04D7/009—Testing apparatus for complete clockworks with regard to external influences or general good working with regard to the functioning of the automatic winding-up device
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C1/00—Winding mechanical clocks electrically
    • G04C1/003—Winding mechanical clocks electrically by electro-thermal or electro-pneumatic arrangements
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C13/00—Driving mechanisms for clocks by master-clocks
    • G04C13/08—Slave-clocks actuated intermittently
    • G04C13/10—Slave-clocks actuated intermittently by electromechanical step advancing mechanisms
    • G04C13/105—Slave-clocks actuated intermittently by electromechanical step advancing mechanisms setting the time-indicating means
    • 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
    • G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
    • G04D7/002—Electrical measuring and testing apparatus
    • G04D7/003—Electrical measuring and testing apparatus for electric or electronic clocks
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
    • G04D7/006—Testing apparatus for complete clockworks with regard to external influences or general good working

Definitions

  • the invention relates to a case for an electromechanical watch equipped with a stepper motor for driving the hands of the watch.
  • the invention also relates to an assembly comprising the case and an electromechanical watch equipped with a stepper motor.
  • time correction systems displayed by the watch. Such systems make it possible to reset the time of the watch, for example in the case of a change of time zone or a change of the summer / winter time.
  • Such a time correction system is for example described in the patent application EP 1 553 469 A1 .
  • the system is provided with a time correction instruction device comprising, according to an exemplary embodiment, a computer connected to a camera and to a circuit for generating a time correction signal.
  • the watch includes communication means for receiving time correction data contained in this signal, and means for moving the hands at the correct time.
  • the watch can be placed on a frame with the indication of the time by the needles visible on the top, and the camera can take a photograph of the position of the hands, which is sent to the computer to recognize the time displayed by the watch.
  • the computer then generates correction data including a reference time, and transmits this data to the watch, via the signal generation circuit.
  • the box described in this document comprises a removable support, which receives the watch and a winding device of the watch connected to a camera.
  • the winding device comprises data analysis means.
  • the camera records an image of the position of the needles, and sends it to the analysis means.
  • the latter determine the time displayed by the watch and, by comparison with a time reference, transmit a time correction instruction to the winding device.
  • the winding device then allows to reassemble the watch by direct mechanical action on its crown-winding stem.
  • a disadvantage of the proposed case is that it is mechanically complex, and that it is limited to the time setting of watches with a crown-winding stem.
  • the purpose of the invention is therefore to provide a watch case for an electromechanical watch equipped with a stepping motor, enabling the delivery automatically at the time shows, in an easy and non-binding way, and overcomes the aforementioned drawbacks of the state of the art.
  • the invention relates to an electromechanical watch case equipped with a stepper motor for driving the hands of the watch, which comprises the characteristics mentioned in the independent claim 1.
  • An electromechanical watch such as an electromechanical quartz watch, typically comprises a stepper motor, such as a Lavet motor, which drives the watch hands through a gear train.
  • a stepper motor such as a Lavet motor
  • the means for setting the time of the watch comprise a driving means of the stepper motor, configured to control a direct rotation of a rotor stepping motor by inductive coupling.
  • the drive means is arranged in the box so as to be opposite the stepping motor, when the watch is placed on the receiving support.
  • Another advantage of the box according to the invention is that the time reset system it proposes does not require any modification of the watch movement of the watch.
  • the case is thus functional for any electromechanical watch movement equipped with a stepper motor, without requiring modification of this movement.
  • the drive means comprises at least one coil mounted on a ferromagnetic core and powered via power supply means.
  • the drive means comprises a rotatably mounted magnet.
  • the box further comprises a flap piece mounted on the box, an optical system for detecting the position of the needles being fixed inside the flap piece so as to be facing the hands of the watch, when the flap piece is closed on the casing and the watch is placed on the receiving support.
  • the flap piece is for example a cover.
  • the box further comprises a cover, and a presence sensor of the watch and / or closure of the cover.
  • Said sensor is connected to the time reset means, the time setting means being configured to trigger a time-setting process on the basis of a detection signal received from the time of the watch. sensor.
  • the invention also relates to an assembly comprising the box described above, and which comprises the characteristics mentioned in the independent claim 16.
  • the figure 1 represents an assembly 1, which comprises an electromechanical watch 2 and a box 4 for receiving the watch 2.
  • the electromechanical watch 2 is provided with a watch case 5, which can be made of any diamagnetic material conventionally used in watchmaking.
  • the watch case 5 can also be made of paramagnetic, non-magnetic, sapphire or even weakly ferromagnetic material.
  • the watch case 5 contains a clockwork movement (not shown) of usual construction; as well as a dial above which display means formed of needles 6 are moved.
  • the dial is protected by an ice cream 7, which closes the watch case 5.
  • the watch case 5 encloses also a stepper motor (no shown) for driving the hands 6 of the watch via a gear train of the watch movement.
  • Such a stepper motor is typically a Lavet motor.
  • the watch 2 is for example a quartz watch, without this being limiting in the context of the present invention.
  • the box 4 further comprises a system 10 for detecting the position of the hands 6.
  • the detection system comprises at least one camera 101 disposed in a cover 14 for closing the case above the hands 6 of the watch 2 placed on a support 24 for receiving the watch.
  • a set of light sources 102 may also be provided in an inner dome 103 of the cover 14 and forming for example a circle of light sources 102 parallel to the closure plane of the cover.
  • the light sources which may be light-emitting diodes, are preferably regularly spaced.
  • the camera 101 is located on the upper part of the dome being centered with respect to the circle of light sources 102.
  • the inner dome 103 diffuses the light generated by the light sources to facilitate the detection of the position of the hands 6 by Of course, an optical sensor may also be provided instead of a camera for detecting the position of the watch hands.
  • the box 4 comprises a box 8. As illustrated on the figure 2 the box 4 further comprises a system 10 for detecting the position of the hands 6 of the watch 2 and means 12 for setting the time of the watch 2. In the embodiment illustrated in FIG. figure 1 , the box 4 further comprises a lid 14, mounted on the box 8. According to a preferred embodiment illustrated on the figure 2 the box 4 also comprises a sensor 16 for the presence of the watch 2 and / or for closing the lid 14. Preferably, the box 4 may further comprise display and activation means 18, means for communication 20, a receiver 21 of a mobile telephone signal, a receiver 22 of a radio signal or GPS (Global Positioning System), a very precise time base and temperature compensated, and means of power supply 23.
  • GPS Global Positioning System
  • the box 4 is configured to contain a type and / or a form of electromechanical watch 2 predefined (es).
  • the box 8 comprises a support 24 for receiving the watch 2, adapted to the type and / or shape of the watch 2.
  • a support 24 is particularly visible to the Figures 3 to 5 .
  • the needle position detection system 10 is connected to the means 12 for resetting the watch 2.
  • the needle position detection system 10 is an optical system.
  • the needle position detection system 10 comprises a camera 101 shown in FIG. figure 1 .
  • the camera 101 is arranged so as to be substantially facing the hands 6 of the watch 2, when the watch 2 is placed on the receiving support 24.
  • the camera is for example fixed inside the cover 14 so as to be substantially opposite the needles 6, when the lid 14 is closed on the box 8.
  • FIG. 1 the camera 101 shown in FIG. figure 1 .
  • the camera 101 is arranged so as to be substantially facing the hands 6 of the watch 2, when the watch 2 is placed on the receiving support 24.
  • the camera is for example fixed inside the cover 14 so as to be substantially opposite the needles 6, when the lid 14 is closed on the box 8.
  • the camera 101 which may for example be equipped with an additional system consisting of light-emitting diodes 102 in a dome 103 and intended to illuminate the watch 2, is for example fixed to a position of the cover 14 as it is at a distance from the ice 7 of the watch case 5 substantially between 3 and 4 cm, when the lid 14 is closed on the box 8.
  • the advantage of such a camera 101 is that it saves time for the time setting of the watch 2, and that the needle position detection it allows is very dependent on the shape of the watch 2. Because the camera 101 does not need to be precisely positioned in front of the hands 6 of the watch 2, it is possible to use a relatively standard box as a screen 4.
  • the use of a camera 101 as a needle position detection system is also proven particularly suitable in the case of a a clock with a calendar.
  • the needle position detection system 10 comprises an optical sensor (no represent).
  • the optical sensor is arranged to be precisely opposite the hands 6 of the watch 2, when the watch 2 is placed on the receiving medium 24.
  • the optical sensor is for example fixed inside the cover 14 so as to be opposite the needles 6, when the cover 14 is closed on the box 8.
  • the optical sensor is for example fixed to a position of the cover 14 as it is flush with the ice 7 of the watch case 5, for example at a distance of a few millimeters, when the cover 14 is closed on the box 8.
  • the advantage of such an optical sensor is that it is a relatively simple and inexpensive component.
  • the reset means 12 are configured to reset the clock 2 on the basis of information received from the needle position detection system 10, when the watch 2 is placed on the receiving medium 24.
  • the time reset means 12 comprise data analysis means 26, a time reference, and a means 28 for driving the stepper motor of the watch 2.
  • the data analysis means 26 are connected to the means 28 for driving the stepper motor of the watch 2, to the sensor 16 for the presence of the watch 2 and / or to close the lid 14, for the means of display and activation 18, at an internal time reference, to the wired or wireless communication means 20, to the receiver 21 of a mobile telephony signal, to the receiver 22 of a radio or GPS signal, and to the means
  • the data analysis means 26 are also connected to the needle position detection system 10, for example via a flexible electronic circuit 29.
  • the data analysis means 26 consist, for example, a microprocessor.
  • the microprocessor can also store a time reference.
  • the means 28 for driving the stepper motor of the watch 2 is arranged in the box 4 so as to be opposite the stepping motor, when the watch 2 is placed on the receiving support 24 From Preferably, the drive means 28 is arranged in the box 4 so as to be on the bottom side 30 of the watch case 5, when the watch 2 is placed on the receiving support 24, opposite this bottom 30. To do this, the drive means 28 is for example arranged inside the receiving support 24, as illustrated in the drawings. Figures 3 to 5 .
  • the drive means 28 is configured to control a rotation of the rotor of the stepper motor of the watch 2 by inductive coupling. Different embodiments of the drive means 28 will be detailed later, with regard to the Figures 3 to 5 .
  • the sensor 16 for the presence of the watch 2 and / or the closure of the cover 14 is for example fixed in the box 4, inside or outside the receiving support 24.
  • the sensor 16 of the presence of the watch is for example a feeler arranged in the case 4 so as to be facing the bottom side 30 of the watch case 5, when the watch 2 is placed on the receiving support 24, facing this bottom 30.
  • the presence sensor of the watch 2 and / or closure of the cover 14 consists of the optical system 10 for detecting the position of the hands 6 of the watch 2.
  • the data analysis means 26 are for example configured to initiate a watch time reset process 2 based on a detection signal received from the sensor 16, as will be detailed later.
  • the display and activation means 18 comprise, for example, several activation buttons and several light-emitting diodes.
  • the light-emitting diodes are intended to provide visual indications relating to the operation of the box 4, and in particular to setting the time of the watch 2.
  • the communication means 20 comprise for example a micro-USB (Universal Serial Bus) 32 and a communication module 34 with a mobile communication device (not shown) accompanied by an antenna.
  • the micro-USB plug 32 is connected to the power supply means 23 and is intended to allow an electric recharging of these, via an external power source compatible with the USB format.
  • the communication module 34 is for example a bidirectional communication module compliant with the Bluetooth standard. In a variant, the communication module 34 may be a bidirectional communication module conforming to the NFC (Near Field Communication) standard, or a one-way communication module of the "light programming" type.
  • the receiver 21 of a mobile telephony signal for example a GSM (Global System for Mobile Communication) signal, is provided with a communication module and a signal receiving antenna.
  • GSM Global System for Mobile Communication
  • the receiver 22 of a radio or GPS signal is provided with a communication module and a signal receiving antenna.
  • the power supply means 23 comprise, for example, a charger 36 and an accumulator 38.
  • the charger 36 is connected to the data analysis means 26 and to the micro-USB jack 32.
  • the accumulator 38 is connected to the charger 36 for example via two electrical wires 40.
  • the data analysis means 26, the drive means 28 for driving the stepper motor of the watch 2, the display and activation means 18, the communication means 20, the receiver 21 of a mobile telephone signal, the receiver 22 of a radio or GPS signal, and the charger 36 are all connected to a common printed circuit board 42.
  • the time reset means 12, in particular the data analysis means 26, are adapted to adjust the time of the watch 2 according to the current time.
  • the current time is synchronized using a reference system, for example an on-board or remote reference system.
  • a reference system to distance comprises, for example, the reception by the receiver 22 of a radio or GPS signal, or the reception, by the communication means 20, of a signal originating from a computer network, or else the reception, by the receiver 21, a mobile telephony signal.
  • the reception of one or more of these signals makes it possible to update the time reference stored in the microprocessor 26 or in the printed circuit 42.
  • such a time reference can be provided by a precision quartz placed on the printed circuit 42.
  • the means 28 for driving the stepper motor of the watch 2 comprises at least one coil 44.
  • the drive means 28 comprises four coils 44.
  • the four coils 44 are connected in pairs diagonally via two magnetic conductors 45, forming substantially a symmetrical cross shape, the coils 44 being disposed at the ends of the cross.
  • the coils 44 are advantageously arranged so that the center 47 of the cross thus formed is substantially opposite the center of the watch case 5 when it is placed on the receiving support 24, when the watch case 5 defines a symmetry of revolution.
  • This particular arrangement of the four coils 44 makes it possible, once these are electrically powered, to obtain a rotating magnetic field.
  • This rotating magnetic field makes it possible to induce a direct magnetic coupling with the stepper motor of the watch 2.
  • the coils 44 are for example chosen so that the value of such a magnetic field is typically equal to order of 0.02 Teslas.
  • An advantage of the use of four coils 44 thus arranged is that they make it possible to turn the stepper motor of the watch 2, and thus the needles 6, in both directions of rotation.
  • the coils 44 are each mounted on a ferromagnetic core 46 and are powered via a power source. electric. Ferromagnetic cores 46 are for example made of a soft ferromagnetic metal.
  • the power supply source consists of the power supply means 23.
  • the four coils 44 are inclined relative to the plane of the printed circuit 42, towards the inside of the center 47 of the cross arrangement that they define.
  • the coils 44 are inclined by defining an angle with the plane of the printed circuit 42, the value of this angle being identical for the four coils 44.
  • This arrangement advantageously makes it possible to create a horizontal magnetic field inside the coils 44, so that the rotating magnetic field substantially horizontally drives the stepper motor of the watch 2. This makes it possible to improve the efficiency of the magnetic coupling.
  • the drive means 28 may for example comprise two coils 44.
  • This variant embodiment makes it possible to obtain, once the coils 44 are electrically powered, a horizontal magnetic field. This makes it possible to turn the hands 6 of the watch 2 only in one direction of rotation.
  • the coils 44 are for example chosen so that the value of the magnetic field produced is typically of the order of 0.02 Tesla.
  • FIG 5 illustrates a second embodiment of the invention for which elements similar to the first embodiment, described above, are identified by identical references, and are therefore not described again.
  • the means 28 for driving the stepper motor of the watch 2 no longer comprises coils, but comprises a magnet 48 rotatably mounted.
  • the magnet 48 is rotatably mounted by means of an electric motor 50 supplied via the power supply means 23.
  • the magnet 48 is mounted on the axis of the electric motor 50.
  • the rotating magnet 48 provides, once the electric motor 50 electrically powered, a rotating magnetic field. This rotating magnetic field makes it possible to induce a magnetic coupling with the stepper motor of the watch 2.
  • the magnet 48 is for example chosen so that the value of such a magnetic field is typically equal to order of 0.02 Teslas.
  • the speed of the electric motor 50 is controlled by the microprocessor 26.
  • the electric motor 50 is for example a DC motor equipped with an encoder.
  • the electric motor 50 may be a stepper motor.
  • An advantage of the use of a rotatably mounted magnet 48 is that it makes it possible to turn the stepper motor of the watch 2, and thus the needles 6, in both directions of rotation. This advantageously reduces the time of delivery to the watch 2 time.
  • the operation of the box 4 according to the invention will now be described.
  • the watch 2 is initially placed in the box 4, on the reception support 24.
  • the method of setting the time of the watch 2, implemented by the box 4 can be triggered either manually by a user, or automatically.
  • the latter after having closed the cover 14, for example presses a trigger button belonging to the display and activation means 18.
  • the box 4 comprises a sensor 16 of presence of the watch 2 and / or closure of the lid 14, the triggering of the time reset process is carried out automatically, following a detection of the sensor 16.
  • sensor 16 then transmits a detection signal to the analysis means 26, which triggers the method of setting the time.
  • the detection system 10, controlled by the analysis means 26, triggers a detection of the position of the hands 6 of the watch 2, and transmits needle position data to the means 12 of delivery time of the watch 2. More precisely, the analysis means 26 receive the position data of the hands and compare them with the available time reference. Optionally, an updating of the time reference can be performed by the analysis means 26, via a remote reference system. The reception, by the analysis means 26, of a temporal reference signal allows for example this update. The analysis means 26 then determines, based on the result of the comparison, a command to reset the current time of the watch 2, and transmit this command to the drive means 28.
  • the drive means 28 then commands , by inductive coupling, a rotation of the rotor of the stepper motor of the watch 2, which allows a movement of the needles 6 driven by the engine.
  • the stepper motor of the watch 2 is then rotated, until the hands 6 reach a position corresponding to the current time, which terminates the process.
  • An optical check of the correct position of the needles can be added, if necessary.
  • the first step of rotating the stepper motor of the watch 2 to pass the hands 6 in front of the detection system, no longer necessary.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
EP18194698.9A 2017-10-23 2018-09-17 Schrein für eine elektromechanische uhr und baugruppe mit diesem Active EP3579061B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17197737.4A EP3474086A1 (de) 2017-10-23 2017-10-23 Etui für elektromechanische armbanduhr, und dieses umfassende einheit

Publications (2)

Publication Number Publication Date
EP3579061A1 true EP3579061A1 (de) 2019-12-11
EP3579061B1 EP3579061B1 (de) 2021-03-10

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Application Number Title Priority Date Filing Date
EP17197737.4A Withdrawn EP3474086A1 (de) 2017-10-23 2017-10-23 Etui für elektromechanische armbanduhr, und dieses umfassende einheit
EP18194698.9A Active EP3579061B1 (de) 2017-10-23 2018-09-17 Schrein für eine elektromechanische uhr und baugruppe mit diesem

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Application Number Title Priority Date Filing Date
EP17197737.4A Withdrawn EP3474086A1 (de) 2017-10-23 2017-10-23 Etui für elektromechanische armbanduhr, und dieses umfassende einheit

Country Status (6)

Country Link
US (1) US11144013B2 (de)
EP (2) EP3474086A1 (de)
JP (1) JP6706657B2 (de)
KR (1) KR102099514B1 (de)
CN (1) CN109691828B (de)
TW (1) TWI685729B (de)

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EP3985445A1 (de) * 2020-10-14 2022-04-20 The Swatch Group Research and Development Ltd Vorrichtung zur beleuchtungs von lumineszenz-anzeigen für armbanduhren
FR3139207A1 (fr) * 2022-08-29 2024-03-01 Bulgari Horlogerie Sa Ecrin pour pièce d’horlogerie.

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EP3379346B1 (de) * 2017-03-20 2022-08-03 ETA SA Manufacture Horlogère Suisse Einstellverfahren einer quartzuhr
US11853009B2 (en) * 2018-05-25 2023-12-26 Force Dimension Technologies Sarl Watch interaction simulation system, apparatus, method and computer program product
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EP4095623B1 (de) * 2021-05-28 2024-02-14 The Swatch Group Research and Development Ltd Vorrichtung zum aufziehen oder einstellen und kontrollieren einer armbanduhr
EP4174584A1 (de) * 2021-10-26 2023-05-03 The Swatch Group Research and Development Ltd Magnetischer mechanismus zur steuerung und/oder zum antrieb durch ein armbanduhrengehäuse

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EP3985445A1 (de) * 2020-10-14 2022-04-20 The Swatch Group Research and Development Ltd Vorrichtung zur beleuchtungs von lumineszenz-anzeigen für armbanduhren
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KR102099514B1 (ko) 2020-04-10
CN109691828A (zh) 2019-04-30
JP2019078753A (ja) 2019-05-23
KR20190045069A (ko) 2019-05-02
TW201931033A (zh) 2019-08-01
EP3474086A1 (de) 2019-04-24
US20190121297A1 (en) 2019-04-25
EP3579061B1 (de) 2021-03-10
US11144013B2 (en) 2021-10-12
CN109691828B (zh) 2021-01-08
TWI685729B (zh) 2020-02-21

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