EP3838424A1 - Musik- oder schlagwerkmechanismus, der ein system mit einem stromgenerator umfasst - Google Patents

Musik- oder schlagwerkmechanismus, der ein system mit einem stromgenerator umfasst Download PDF

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Publication number
EP3838424A1
EP3838424A1 EP20202859.3A EP20202859A EP3838424A1 EP 3838424 A1 EP3838424 A1 EP 3838424A1 EP 20202859 A EP20202859 A EP 20202859A EP 3838424 A1 EP3838424 A1 EP 3838424A1
Authority
EP
European Patent Office
Prior art keywords
musical
mobile
ringing
generator
energy source
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.)
Pending
Application number
EP20202859.3A
Other languages
English (en)
French (fr)
Inventor
Jérôme Favre
Jean-Jacques Born
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.)
Swatch Group Research and Development SA
Original Assignee
Swatch Group Research and Development 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 Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Publication of EP3838424A1 publication Critical patent/EP3838424A1/de
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/04—Indicating the time of the day
    • G04C21/06—Indicating the time of the day by striking mechanism
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B21/00—Indicating the time by acoustic means
    • G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
    • G04B21/06—Details of striking mechanisms, e.g. hammer, fan governor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
    • B06B1/12—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving reciprocating masses
    • 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
    • G04B17/30—Rotating governors, e.g. centrifugal governors, fan governors
    • 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
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/005—Arrangements producing acoustic signals at preselected times by starting up musical boxes or other musical recordings
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/02—Constructional details
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/04—Indicating the time of the day
    • G04C21/06—Indicating the time of the day by striking mechanism
    • G04C21/08—Indicating the time of the day by striking mechanism with snail
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
    • G04C21/38—Adjusting the duration of signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10F—AUTOMATIC MUSICAL INSTRUMENTS
    • G10F1/00—Automatic musical instruments
    • G10F1/06—Musical boxes with plucked teeth, blades, or the like
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
    • G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
    • G10K1/062—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
    • G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
    • G10K1/07—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube mechanically operated; Hand bells; Bells for animals
    • G10K1/072—Operating or striking mechanisms therefor
    • G10K1/076—Operating or striking mechanisms therefor for timed or repeated operation
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/30—Illumination of dials or hands

Definitions

  • the invention relates to a musical or striking mechanism for a timepiece or music box comprising an energy source delivering a mechanical torque and means for transmitting a mechanical torque from said energy source to a mobile for generating music. or ringtone.
  • the invention also relates to a timepiece or music box comprising such a musical or ringing mechanism, as well as a use of a particular musical mobile or ringing regulator in such a mechanism. More particularly, it relates to the field of watchmaking, and more particularly that of timepieces comprising a striking mechanism or a musical mechanism, such as mechanical striking watches, music boxes or the like.
  • Mechanical striking watches generally have a striking regulator whose role is to neutralize the effect of strong variations in torque when arming the sound creation devices in order to regulate the tempo, and if possible the intensity. , ringing.
  • the striking hammers must be cocked before striking the gongs, which must be as loud as possible to maximize the acoustic level.
  • the winding torque is optimized depending on what the striking barrel can deliver.
  • such a striking barrel cannot provide a constant torque.
  • the variation of the tempo and the intensity of the strike being closely related to the unwinding curve of the barrel spring, in many cases the ringtone or music slows down and decreases in amplitude at the end of the function, which is unpleasant for the user.
  • a strike regulator is used in parallel with the winding of the hammers, which makes it possible to stabilize the speed of disarming of the barrel and thus to obtain a strike of constant amplitude and tempo.
  • a regulator often consists of a rotating inertia, the energy of which is generally dissipated either by variation of inertia, or by friction, or by eddy currents, or by a combination of different methods.
  • a ringing regulator is for example described in the patent application EP 2 487 547 A1 .
  • anchor systems to perform such a ring regulator function.
  • the invention relates to a musical or striking mechanism for a timepiece or music box, and which comprises the characteristics mentioned in independent claim 1.
  • the energy dissipated in the regulator is advantageously recovered in the form of electrical energy.
  • the alternating voltage supplied by the electric generator makes it possible to obtain a source of rechargeable electric energy within the mechanism.
  • the electrical energy supplied by such a source of electrical energy can then, for example, make it possible to charge an electrical accumulator or a capacitor, in order to be advantageously reused by an electrical component, such as a light-emitting diode to illuminate elements. of the timepiece, such as stamps, hammers or hands for example.
  • the electrical energy can also, alternatively, be reused by a sound or vibration generating component within the mechanism.
  • a regulator provides regulation of the mechanical torque delivered by the energy source by braking by the generator, which is itself braked electrically by the electronic circuit, which offers both precise and silent regulation of the mobile. .
  • the mobile braking means are braking means configured to electrically brake the rotation of the rotor of the electric generator.
  • the electronic circuit is an electronic oscillator circuit which comprises a Integrated servo circuit with complementary metal oxide semiconductor technology (known as CMOS in its Anglo-Saxon version).
  • CMOS complementary metal oxide semiconductor technology
  • the stator of the generator is formed by a set of coils connected in series
  • the integrated servo circuit comprises a transistor, said transistor being connected to the stator of the electric generator and being configured, via control by the circuit. integrated, for short-circuiting the set of coils for a fraction of the period of the alternating voltage supplied by the generator, said transistor constituting said electric braking means.
  • the invention also relates to a timepiece or music box comprising the musical or striking mechanism described above, and which comprises the characteristics mentioned in independent claim 11.
  • the invention also relates to a use as a mobile regulator for generating music or ringing, in the musical or ringing mechanism described above, of a system comprising an electric generator of which a rotor is connected. mechanically to the energy source delivering the mechanical torque, and an electronic circuit for regulating the speed of rotation of the generator, and which comprises the characteristics mentioned in independent claim 14.
  • the invention relates to the field of watchmaking, and more particularly that of music boxes or timepieces comprising a musical or striking mechanism.
  • the invention will be described more precisely for the preferred application of a timepiece comprising a striking mechanism. Nevertheless, the invention is applicable to the regulation of any mobile generating music or ringing.
  • the generic term “timepiece” will denote a timepiece or a music box
  • the term “striking mechanism” will denote a musical or striking mechanism.
  • the invention relates to a striking mechanism 1 comprising a regulator 2 for a striking mobile 4, for a timepiece (not shown in the figures for reasons of clarity).
  • the timepiece is typically a mechanical striking watch, such as for example a repeater watch.
  • the ringing mobile 4 is a percussion hammer which is configured to strike a gong 5 of the striking mechanism 1.
  • the mobile can be one or more lever (s), or one or more moving pin (s) which strike the blades of a keyboard in the case of a musical watch.
  • the gong 5 can be replaced by one or more resonator (s), gong (s), or bell (s), or even by a resonance box in the case of a music box.
  • the striking mechanism 1 comprises, in addition to the regulator 2, an energy source 6 delivering a mechanical torque, and mechanical torque transmission means from the energy source 6 to the striking mobile 4 (the latter not being not shown in the figures for reasons of clarity).
  • the striking mechanism 1 also comprises at least one electrical component 10 connected to the regulator 2.
  • the mechanism 1 comprises three components 10 for storing electrical energy, in this case ceramic capacitors. The energy stored in these capacitors can for example be reused by light components within the timepiece in order to effect synchronized illumination.
  • the electrical component (s) 10 can be an accumulator, and / or a luminous component, such as a light-emitting diode, and / or an electrical generation component. of sound or vibrations within the mechanism 1.
  • the electrical component 10 is an electrical component for generating sound, the latter is for example a loudspeaker associated with an amplifier.
  • the energy source 6 is a striking barrel received in a location 12 of the mechanism 1 (the striking barrel 6 not being shown in the figures 1 and 2 for clarity).
  • Striking barrel 6 is typically a spring barrel, which can be cocked in a single gesture by a user of the timepiece.
  • Such a spring barrel generally delivers a mechanical torque which varies according to the unwinding of the spring.
  • the energy source 6 can be a barrel of the mechanical watch movement of the timepiece, part of the stored energy of which is recovered for the musical or striking mechanism 1.
  • the regulator 2 of mobile 4 is intended to regulate the tempo of the ringing, or of the melody as the case may be, of the mechanism 1.
  • the regulator 2 of mobile 4 is intended to regulate the tempo of the ringing of the striking mechanism 1. More precisely, the regulator 2 is configured to regulate, around a set speed value, the pivoting speed of the mobile 4 around a pivot axis. To do this, the regulator 2 comprises means 14 for braking the mobile 4 (which will be described later) configured to bring the pivoting speed of the mobile 4 to the set speed.
  • the regulator 2 consists of a system comprising an electric generator 16 and an electronic circuit 18 for regulating the speed of rotation of the generator 16.
  • the generator 16 is for example connected to the electronic circuit 18 via a rectifier circuit 19.
  • the electric generator 16 comprises a rotor 20 and a stator 22.
  • the rotor 20 is connected to the energy source 6 delivering the mechanical torque, via a kinematic chain not visible in the figures (cogs and / or gear train) .
  • the stator 22 is for example formed of a set of coils 24 connected in series (a single coil 24 being shown in the figure. figure 3 for clarity).
  • the coils 24 are advantageously coils without iron, which makes it possible to avoid any initial positioning torque.
  • the electric generator 16 is an electro-dynamic microgenerator.
  • the mechanism 1 comprises one or more electrical component (s) 10
  • the latter or these can be connected directly or indirectly to the generator electric.
  • the electrical energy accumulated in this component can in particular be used to power the electronic circuit 18 when the energy source 6 does not deliver a mechanical torque.
  • the electronic circuit 18 is an oscillator circuit.
  • the electronic circuit 18 comprises a servo integrated circuit 26 with complementary metal oxide semiconductor technology CMOS (standing for Complementary Metal Oxide Semiconductor).
  • CMOS Complementary Metal Oxide Semiconductor
  • the electronic circuit 18 also comprises a time base, such as a quartz 28 or a MEMS resonator or an RLC oscillating circuit, which is connected to the integrated circuit 26 and which provides a reference frequency.
  • the electronic circuit 18 comprises a resistance-inductance-capacitance circuit configured to provide a reference frequency.
  • the integrated circuit 26 has an input terminal 29 connected to the set of coils 24 of the generator 16 and making it possible to recover an analog signal 31 coming from the latter.
  • the integrated circuit 26 comprises, for example, a chain of divisions (including inhibition programming logic), a hysteresis comparator for logical formatting of the analog signal 31, a reversible counter, as well as a decision logic (such elements not being represented on the figure 3 for clarity).
  • the integrated circuit also comprises a transistor 30, typically an insulated gate field effect transistor with MOS metal oxide semiconductor (standing for Metal Oxide Semiconductor).
  • the hysteresis comparator is connected to input terminal 29.
  • the chain of divisions is connected between quartz 28 and a positive input of the reversible counter.
  • the other input of the reversible counter which is a negative input, is connected to the output of the hysteresis comparator.
  • the logic decision is connected to the output of the reversible counter, and has a control output of transistor 30.
  • the reversible counter performs the difference between the two pulse type signals coming from the quartz 28 on the one hand, and from the generator 16 on the other hand, as well as the integration of the pulses over time.
  • the reversible counter also indicates the advance or the delay of the angular position of the rotor 20 of the generator 16 with respect to its ideal angular position (given by the quartz 28) and the decision logic which follows the counter decides on the setpoint. to establish. This decision logic acts in fact according to the value of the reversible counter (positive or negative) and controls the transistor 30.
  • the transistor 30 is connected to the stator 22 of the electric generator 16. More precisely, as illustrated in the figure. figure 3 , the transistor 30 is connected in parallel with the coils 24 via its two drain and source electrodes.
  • the transistor 30 constitutes the braking means 14, which are braking means configured to electrically brake the rotation of the rotor 20 of the generator 16.
  • the electronic circuit 18 is thus configured to regulate, around a set speed, the speed of rotation of the generator 16, and thus to brake the mobile 4 so as to regulate its pivot speed around the pivot axis.
  • the setpoint speed is for example equal to 7 revolutions per second, without this being limiting in the context of the present invention.
  • the electric generator 16 rotates at constant or almost constant speed.
  • the frequency of the signal coming from the generator 16 (which is proportional to the speed of rotation of the latter) is compared to a sub-multiple of the reference frequency (supplied by the quartz 28 in the example of realization of the figure 3 ).
  • the generator 16 is then electrically braked by the braking means 14 formed by the transistor 30, so as to be slaved to the reference frequency supplied. by the quartz 28.
  • the transistor 30, which is driven by the decision logic of the integrated circuit 26, short-circuits all of the coils 24 of the stator 22 during a fraction of the period of the alternating voltage supplied by the generator 16.
  • the transistor 30 then acts as an intermittent and pulsed braking means of the rotor 20 of the generator 16.
  • an induced alternating voltage appears at the terminals of the set of coils 24 of the stator 22.
  • the alternating voltage induced is then used for two functions: firstly this voltage is rectified via the rectifier circuit 19 and makes it possible to supply the integrated circuit 26, and secondly this voltage makes it possible to provide a source of electrical energy available for the part d watchmaking.
  • This rechargeable electrical energy source then makes it possible, for example, to supply the electrical component (s) 10.
  • the accumulated electrical energy can then be advantageously reused by an electrical component, such as a light emitting diode. to illuminate elements of the timepiece, such as gongs, hammers or hands for example, or even by a component for generating sound or vibrations within the mechanism.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Electromechanical Clocks (AREA)
EP20202859.3A 2019-12-20 2020-10-20 Musik- oder schlagwerkmechanismus, der ein system mit einem stromgenerator umfasst Pending EP3838424A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19218490.1A EP3838423A1 (de) 2019-12-20 2019-12-20 Musik- oder schlagwerkmechanismus, der ein system mit einem stromgenerator umfasst

Publications (1)

Publication Number Publication Date
EP3838424A1 true EP3838424A1 (de) 2021-06-23

Family

ID=69185153

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19218490.1A Withdrawn EP3838423A1 (de) 2019-12-20 2019-12-20 Musik- oder schlagwerkmechanismus, der ein system mit einem stromgenerator umfasst
EP20202859.3A Pending EP3838424A1 (de) 2019-12-20 2020-10-20 Musik- oder schlagwerkmechanismus, der ein system mit einem stromgenerator umfasst

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19218490.1A Withdrawn EP3838423A1 (de) 2019-12-20 2019-12-20 Musik- oder schlagwerkmechanismus, der ein system mit einem stromgenerator umfasst

Country Status (4)

Country Link
US (1) US20210191337A1 (de)
EP (2) EP3838423A1 (de)
JP (1) JP7216691B2 (de)
CN (1) CN113009810B (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000214844A (ja) * 1999-01-27 2000-08-04 Seiko Epson Corp 音響装置およびこれを用いた電子機器
EP1243986A1 (de) * 2001-03-20 2002-09-25 Eta SA Fabriques d'Ebauches Uhrwerk mit Spannungsgenerator
CH696507A5 (fr) * 1998-02-05 2007-07-13 Asulab Sa Pièce d'horlogerie électronique comportant une génératrice entraînée par un barillet à ressort.
EP2487547A1 (de) 2011-02-11 2012-08-15 Montres Breguet SA Regulator einer Triebfeder eines Uhrwerks oder eines Schlagwerks

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH310524A (fr) * 1953-07-08 1955-10-31 Techna Anstalt Fuer Verwertung Installation comprenant une pièce à musique actionnée par un moteur à ressort.
EP1213627B1 (de) * 2000-06-21 2010-12-22 Citizen Holdings Co., Ltd. Leistungsgenerierende elektronische uhr und verfahren um diese zu kontrollieren
JP3823741B2 (ja) * 2001-03-06 2006-09-20 セイコーエプソン株式会社 電子機器、電子制御式機械時計、それらの制御方法、電子機器の制御プログラムおよび記録媒体
ATE363676T1 (de) * 2003-10-01 2007-06-15 Asulab Sa Uhr mit einem mechanischen uhrwerk, das mit einem elektronischen regulator gekoppelt ist
CN100478578C (zh) * 2005-10-06 2009-04-15 精工爱普生株式会社 调速装置及使用该调速装置的发电装置、设备
JP4830667B2 (ja) * 2005-10-06 2011-12-07 セイコーエプソン株式会社 調速装置及びそれを用いた発電装置、機器
CN100442594C (zh) * 2006-09-14 2008-12-10 华为技术有限公司 具有充电电路的便携式电子产品的充电装置
EP2463731B1 (de) * 2010-12-10 2015-06-17 Montres Breguet SA Schlagwerkmechanismus einer Armbanduhr
US8963730B1 (en) * 2013-04-01 2015-02-24 Brk Brands, Inc. Maintenance warning inhibitor based on time of day
CN106462105B (zh) * 2014-01-13 2019-05-17 洛桑联邦理工学院 机械的各向同性谐波振荡器、包括其的系统及计时装置
CN204808853U (zh) * 2015-07-21 2015-11-25 周晓雯 一种手动电动双混式音乐盒

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH696507A5 (fr) * 1998-02-05 2007-07-13 Asulab Sa Pièce d'horlogerie électronique comportant une génératrice entraînée par un barillet à ressort.
JP2000214844A (ja) * 1999-01-27 2000-08-04 Seiko Epson Corp 音響装置およびこれを用いた電子機器
EP1243986A1 (de) * 2001-03-20 2002-09-25 Eta SA Fabriques d'Ebauches Uhrwerk mit Spannungsgenerator
EP2487547A1 (de) 2011-02-11 2012-08-15 Montres Breguet SA Regulator einer Triebfeder eines Uhrwerks oder eines Schlagwerks

Also Published As

Publication number Publication date
CN113009810A (zh) 2021-06-22
CN113009810B (zh) 2023-03-10
EP3838423A1 (de) 2021-06-23
JP2021099307A (ja) 2021-07-01
US20210191337A1 (en) 2021-06-24
JP7216691B2 (ja) 2023-02-01

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