EP4174586A1 - Uhreneinheit, die eine armbanduhr und ein uhrzeitkorrektursystem umfasst - Google Patents

Uhreneinheit, die eine armbanduhr und ein uhrzeitkorrektursystem umfasst Download PDF

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Publication number
EP4174586A1
EP4174586A1 EP22189339.9A EP22189339A EP4174586A1 EP 4174586 A1 EP4174586 A1 EP 4174586A1 EP 22189339 A EP22189339 A EP 22189339A EP 4174586 A1 EP4174586 A1 EP 4174586A1
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EP
European Patent Office
Prior art keywords
mechanical
correction
watch
magnetic field
frequency
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
EP22189339.9A
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English (en)
French (fr)
Other versions
EP4174586B1 (de
Inventor
Jérôme Favre
Jean-Jacques Born
Matthias Imboden
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.)
Swatch Group Research and Development SA
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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.)
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Publication date
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Publication of EP4174586A1 publication Critical patent/EP4174586A1/de
Application granted granted Critical
Publication of EP4174586B1 publication Critical patent/EP4174586B1/de
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    • 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
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/007—Mechanical devices for setting the time indicating means otherwise than manually
    • 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
    • G04D7/12—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard
    • G04D7/1257—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present
    • G04D7/1271—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present for the control mechanism only (from outside the clockwork)
    • G04D7/1292—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present for the control mechanism only (from outside the clockwork) whereby the adjustment device works on the balance wheel
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C11/00—Synchronisation of independently-driven clocks
    • G04C11/08—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction
    • G04C11/081—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet
    • G04C11/084—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet acting on the balance
    • 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
    • G04C3/04—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 balance
    • G04C3/06—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 balance using electromagnetic coupling between electric power source and balance
    • 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
    • G04D7/004—Optical measuring and testing apparatus
    • 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
    • G04D7/12—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard
    • G04D7/1257—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present
    • G04D7/1264—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present for complete clockworks
    • 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
    • G04D7/12—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard
    • G04D7/1257—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present
    • G04D7/1271—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present for the control mechanism only (from outside the clockwork)

Definitions

  • the invention relates to a watch, incorporating a mechanical movement provided with a mechanical oscillator, and a system for correcting the time displayed by the watch other than a mechanical control member, in particular a stem-crown, operable by a user .
  • the document WO2021/121711 describes a timepiece fitted with a mechanical movement and incorporating a device for correcting the time which is displayed by the timepiece.
  • the correction device is of the electronic type and comprises an electronic unit for receiving a correction signal, supplied by a device external to the timepiece (in particular a mobile telephone), an electromechanical actuator forming a braking device for the resonator mechanism incorporated in the mechanical movement, and an electronic unit for controlling the electromechanical actuator as a function of the correction signal received, this electronic unit being arranged in the timepiece.
  • the correction device incorporated in the timepiece nevertheless includes electronic elements.
  • the aim of the present invention is to provide a watch assembly making it possible to correct the time displayed by a mechanical watch in a precise manner and/or to advance/delay the display of the time by one hour when switching to normal time. summer / winter without a user having to operate a mechanical control device connected to the analog time display.
  • the present invention relates to a watch assembly
  • a watch assembly comprising a watch, formed of a case and of a mechanical movement incorporated in the case, and a support which is external to the watch and arranged to be able to support at least the case of this watch, in particular a display stand or a box.
  • the mechanical movement comprises an analog time display, a drive mechanism for this analog time display and a mechanical oscillator, the mechanical resonator of which is formed by a balance wheel and an elastic return structure, this mechanical oscillator being arranged to be able to clock the operation of the drive mechanism.
  • the watch assembly comprises a system for correcting a time displayed by the analog display, this correction system being formed, on the one hand, by a mechanical device incorporated in the case and, on the other hand, by a device electric incorporated in the support.
  • the mechanical device comprises a mobile magnetic element, in particular a magnet, which is configured and arranged in the watch in such a way that the mechanical device can brake the oscillating mechanical resonator or momentarily stop an oscillation of the mechanical resonator by exciting the mobile magnetic element by a field magnetic, in particular by applying a magnetic force to the magnet by means of a magnetic field produced by the electrical device.
  • the electrical device comprises a magnetic field generator, this magnetic field generator and said case being arranged so that, when the watch case is placed on the external support in a given position, a magnetic field produced by the magnetic field generator can pass through the box and reach the region where the movable magnetic element is located and excite the latter so as to generate, via the mechanical device, braking pulses which are applied to the oscillating mechanical resonator or to momentarily stop an oscillation of the mechanical resonator by the mechanical device.
  • the electrical device further comprises a control unit arranged so as to be able to produce an electrical control signal as a function of a correction determined for the time displayed by the analog display and to supply this electrical control signal to the magnetic field generator so that it generates a corresponding magnetic field which activates the mechanical device so that this mechanical device generates a series of braking pulses which are applied to the oscillating mechanical resonator or momentarily stop an oscillation of the mechanical resonator, so as to effect substantially the determined correction of the displayed time.
  • a control unit arranged so as to be able to produce an electrical control signal as a function of a correction determined for the time displayed by the analog display and to supply this electrical control signal to the magnetic field generator so that it generates a corresponding magnetic field which activates the mechanical device so that this mechanical device generates a series of braking pulses which are applied to the oscillating mechanical resonator or momentarily stop an oscillation of the mechanical resonator, so as to effect substantially the determined correction of the displayed time.
  • the watch assembly it is possible to correct the time displayed by the watch or to set the analog display to summer time or to winter time, to the scheduled date, precisely, taking care to place the watch case, in a given position, on the support associated with the watch.
  • the triggering of the correct time setting can be achieved automatically by closing a cover that the support has or by pressing an activation button that the support comprises or via any sensor associated with the support or possibly via a mobile phone having an application for sending a system activation signal correction to a receiver arranged in the support.
  • the support is advantageously a box, a case or a display connected to the mains, or autonomous with batteries, or even equipped with a solar energy sensor.
  • a major advantage of the invention lies in the fact that no electrical element is necessary in the case of the watch, which can therefore be entirely mechanical, that is to say without an electronic unit or other electrical device, the watch case incorporating an entirely mechanical movement and a mechanical device comprising a mobile magnetic element, in particular a magnet.
  • the electrical device of the correction system according to the invention is located outside the case of the watch and it is materially independent of the watch, so that the watch can be worn by a user without the electrical device, which remains linked to the support. outside on which the watch can be temporarily placed, in particular during at least part of the night.
  • the watch assembly 2 comprises a watch 4, formed by a case 6 and a mechanical movement 8 incorporated in the case, and an external support formed by a casing 22 for this watch.
  • the mechanical movement comprises an analog display 10 of the current time, a drive mechanism (not shown in Figure 2 ) of this analog display and a mechanical oscillator whose mechanical resonator 12 is formed by a balance wheel 14 and an elastic return structure 13 (a hairspring in Fig. 2, but flexible blades or other flexible structures may alternatively be provided), this mechanical oscillator being arranged to be able to clock the operation of the drive mechanism.
  • the watch assembly 2 comprises a correction system 16 of a time displayed by the analog display, this correction system being formed, on the one hand, by a mechanical device 18 incorporated in the case 6 and, on the other hand , by an electrical device 20 incorporated in the support external to the watch.
  • the electrical device 20 comprises a magnetic field generator formed by a coil 28 powered according to an electrical control signal supplied by a control unit 30.
  • the magnetic field generator, in particular the coil 28, and the box 6 are arranged so that, when the watch is placed on the support in a given position ( Figure 1 ), a magnetic field produced by the magnetic field generator can pass through the box, the material of which is selected for this purpose at least in the region of the box through which the magnetic field useful to the correction system passes.
  • the mechanical device 18 comprises a permanent magnet 24 and a flexible blade 26 carrying this permanent magnet in a region of a free end of this flexible blade, which is anchored to the watch movement at its other end (alternatively, the anchoring is provided on a casing ring or on an inside wall of the box 6).
  • the mechanical device 18 is arranged in the watch so that it can, under the action of a magnetic field generated by the electric device and applied to the permanent magnet 24, periodically slow down the oscillating mechanical resonator or momentarily stop an oscillation of this mechanical resonator by exerting a force/mechanical pressure on the pendulum.
  • the flexible blade 26 is arranged so as to be able to exert a force/pressure against an outer lateral surface of the balance 14, when the permanent magnet undergoes a radial magnetic force by the action of said magnetic field, and thus generate periodic braking pulses or stop the mechanical resonator 12 during a determined time interval, which depends on the function to be performed.
  • the case 22 has a part 34 against which the case 6 of the watch 4 placed in this case in a given position so that the correction system 16 is effective bears substantially laterally.
  • the magnetic field generator, formed by the coil 28, and the box 6 are arranged so that the magnetic field produced by this field generator can reach, from one side of the watch, the region where the permanent magnet 24 is located.
  • the control unit 30 is arranged in such a way as to be able to produce an electric control signal as a function of a correction determined for the time displayed by the analog display 10 and to supply this electric control signal to the magnetic field generator 28 for that it generates a corresponding magnetic field which activates the mechanical device 18 so that this mechanical device generates a series of braking pulses applied to the oscillating mechanical resonator or momentarily stops an oscillation of the mechanical resonator, so as to substantially effect the determined correction of the displayed time.
  • the box 22 can be supplied with electricity via a cable 36 or via contactless power supply means.
  • the model represented comprises a digital display 38 making it possible, for example, to give various information, in particular the current date, the time zone or a date of passage from winter time to summer time and vice versa.
  • Means for entering data may be provided in an area of the cabinet.
  • the reading of various data recorded in an electronic part of the box (for example in the control unit 30) and also the transmission of data to this electronic part is provided via a wireless communication unit arranged in the box and allowing communication with a mobile phone having an application for this purpose.
  • the box 22 comprises an electronic device for determining a correction to be made for the time displayed by the watch, that is to say by the analog display 10.
  • This electronic device comprises a photographic device 40 comprising a photographic sensor formed of a matrix of photo-detectors. Then the electronic device comprises an image processing unit which is arranged to be able to determine the position of at least one determined needle of the analog display 10 in an image taken by the photographic device 40. Finally, the electronic device comprises or is connected to a time base capable of providing a precise current time and it further comprises a comparison unit for determining the correction to be made.
  • a mobile telephone equipped with an appropriate application for taking a photo of the analog display of the watch 4, then for processing the image as indicated above, and finally determining a correction for the displayed time.
  • This mobile phone then sends to the electronic unit of the box, via a wireless communication unit, a correction signal indicating the correction to be made and possibly a time to start said correction or a time interval until the start of this correction .
  • the box 22A with the exception of the arrangement of the electrical device 16A of the correction system, is similar to that of the first embodiment described above, and will not be described in more detail below.
  • the watch assembly 42 differs mainly from the first embodiment by the arrangement of the correction system 16A with a mechanical device 18A arranged so that its permanent magnet 24A is mobile, under the action of an axial magnetic force, substantially in a direction parallel to the central axis of the watch 4A, this central axis being perpendicular to the dial of the analog display and to the general plane of the bottom 48 of the case 6 (this bottom having been removed Figures 3 and 4 to show the 8A mechanical movement inside the case).
  • the mechanical device 18A is formed by an elastic structure comprising a flexible blade 26A folded back on itself and anchored, at its first end, to a casing circle 44 surrounding the mechanical movement 8A.
  • the flexible blade carries, at its second end which is free, a disk, on which the permanent magnet 24A is glued, and a finger 46 connected to the disk.
  • THE finger 46 is arranged so as to agree radially under the rim of the balance 14, at a short distance from this rim.
  • the elasticity of the flexible blade 26A is provided to ensure a certain stability of the magnet 24A and of the finger 46 in the absence of a magnetic field for actuating this magnet and also a good dynamic behavior of the mechanical device 18A during the generation of an axial magnetic field 52 by the electric device 20A, this axial magnetic field making it possible to generate braking pulses by dry friction between the finger 46 and a circular upper surface of the balance against which the finger comes to press briefly, which then applies pressure 54 to said upper circular surface.
  • the finger thus forms a braking pad for the balance.
  • FIG. 5A shows the correction system 42 with the magnetic field generator inactive and the elastic blade 26A, carrying the permanent magnet 24A, in its rest position; while Figure 5B shows the correction system with the magnetic field generator (coil 28) generating a magnetic field 52 for actuating the mechanical device 18A and the elastic blade 26A carrying the permanent magnet 24A in its braking position of the pendulum 14.
  • the electrical device 20A is arranged in the support 22A and the mechanical device 18A is arranged in the watch 4A.
  • the axial magnetic field 52 crosses the bottom 48 of the case 6 and propagates in the region of the permanent magnet 24A, on which it acts in magnetic attraction.
  • the material of the bottom 48, at least in the region superimposed on the coil 28, is provided in a non-magnetic material or in a material conducting the magnetic field (having a high magnetic permeability).
  • the watch of the timepiece assembly 58 comprises, in the mechanical device 18B of the correction system 16B, a magnetic parking element which is arranged so as to return, over at least a certain displacement distance of the permanent magnet 24A from a rest position of the latter, the permanent magnet to this rest position in which it does not touch the balance and in which it is normally maintained, in particular by the magnetic parking element, in the absence of the magnetic field produced by the magnetic field generator (coil).
  • the aforementioned magnetic element is either a ferromagnetic positioning element or a positioning magnet 60 as shown in Figure 6 .
  • This positioning magnet is configured to continuously exert a magnetic force in magnetic attraction on the permanent magnet 24A in its rest position, with an intensity such that the positioning magnet can, at least in the absence of shocks or strong accelerations of the watch, avoid untimely braking pulses in the absence of the generation of the magnetic field 52 by the electric device 20A, while guaranteeing that the magnetic field 52 generated by the coil 28 can easily overcome the force of attraction of the positioning magnet 60 to generate the braking pulses making it possible to carry out a determined correction of the time displayed.
  • the coil 28 and its power supply, managed by the electronic control unit 30, are arranged so that the magnetic field 52 has a sufficient intensity.
  • the magnetic field generator is a mobile permanent magnet or a fixed magnet associated with a mobile magnetic shield, the mobile magnet or the mobile magnetic shield being arranged in the support so as to be able to be moved by an actuator to which the electric control signal is supplied, so as to vary the intensity of the magnetic field supplied to said mechanical device as a function of the electric control signal.
  • the control unit 30 of the electrical device comprises a generator device of at least one frequency which is arranged so as to be able to generate a first periodic signal at a frequency F SUP .
  • the control unit is arranged to supply the magnetic field generator, when the determined correction corresponds to a delay in the displayed time that it is planned to correct and when this correction therefore consists in advancing the display of the current time with respect to a passage of time given by the undisturbed mechanical oscillator, a first control signal derived from the first periodic signal, during a first correction period, for activating the correction system so that it generates a first series of periodic braking pulses which are applied to the pendulum of the mechanical resonator by the mechanical device at the frequency F SUP .
  • the duration of the first correction period and therefore the number of periodic braking pulses in said first series are determined by said delay to be corrected.
  • the frequency F SUP is provided and the mechanical device incorporated in the watch is arranged so that the first series of periodic braking pulses at the frequency F SUP can generate, during the first correction period, a first synchronous phase in which the oscillation of the mechanical resonator is synchronized on a correction frequency FS Cor which is greater than a setpoint frequency FOc provided for the mechanical oscillator. The rate of the mechanical movement is thus accelerated during the first correction period.
  • the person skilled in the art will find additional technical information relating to the main mode of operation in the document WO 2021/121711 , and also in the document EP 3629104 .
  • the correction system is fully incorporated into the watch.
  • the watch comprises a sensor for itself detecting a time drift in the rate of the mechanical oscillator and therefore of the watch movement.
  • the teaching relating to the generation of the various aforementioned signals and periodic braking pulses, in the case of a delay to be corrected, is however similar.
  • the device generating at least one frequency is arranged so as to also be able to generate a second periodic signal at a frequency F INF .
  • the control unit is arranged to supply the magnetic field generator, when the determined correction corresponds to an advance in the displayed time that it is intended to correct and when this correction therefore consists in delaying the display of the current time relative to a passage of time given by the undisturbed mechanical oscillator, a second control signal derived from the second periodic signal, during a second correction period, to activate the correction system so that this correction system generates a second series of periodic braking pulses which are applied to the balance by the mechanical device at the frequency F INF .
  • the duration of the second correction period and therefore the number of periodic braking pulses in said second series are determined by said advance to be corrected.
  • the frequency F INF is provided and the mechanical device is arranged so that the second series of periodic braking pulses at the frequency F INF can generate, during the second correction period, a second synchronous phase in which the oscillation of the mechanical resonator is synchronized on a correction frequency FI Cor which is lower than the setpoint frequency FOC provided for the mechanical oscillator. The rate of the mechanical movement is thus slowed down during the second correction period.
  • the mechanical device of the correction system is arranged so as to be able to block the mechanical resonator under the action of a field magnetic, generated by the magnetic field generator, which is applied to the movable magnetic element, so as to momentarily stop an oscillation of this mechanical oscillator during a correction period.
  • the control unit is arranged to be able, when the determined correction corresponds to an advance in the time displayed and when the correction to be made therefore consists in delaying the analog display of the current time relative to a passage of time given by the mechanical oscillator undisturbed, providing a third control signal to the magnetic field generator to activate the mechanical device so that this mechanical device blocks the oscillation of the mechanical resonator during the correction period which is determined by said advance to be corrected, so as to stop the operation of said drive mechanism during this correction period.
  • the blocking of the mechanical oscillator is effected by the elastic member 26, respectively 26A pressing continuously on the rim of the balance wheel 14 during the correction period.
  • the magnetic field generator generates a continuous magnetic field during the correction period.
  • the correction system is arranged in such a way as to be able to correct the time displayed by 60 minutes in the space of one night, in order to make a switch to the time of day. summer or winter time.
  • control unit 30 is associated with an electronic device arranged to determine a correction to be made on a given date or as a function of the current time displayed by the show.
  • determination of the correction to be made is carried out in a device external to the external support, in particular in a mobile telephone comprising an application for this purpose.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Electric Clocks (AREA)
EP22189339.9A 2021-10-29 2022-08-08 Uhreneinheit, die eine armbanduhr und ein uhrzeitkorrektursystem umfasst Active EP4174586B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21205505 2021-10-29

Publications (2)

Publication Number Publication Date
EP4174586A1 true EP4174586A1 (de) 2023-05-03
EP4174586B1 EP4174586B1 (de) 2024-05-29

Family

ID=78414480

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EP22189339.9A Active EP4174586B1 (de) 2021-10-29 2022-08-08 Uhreneinheit, die eine armbanduhr und ein uhrzeitkorrektursystem umfasst

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Country Link
US (1) US20230132978A1 (de)
EP (1) EP4174586B1 (de)
JP (1) JP7446375B2 (de)
CN (1) CN116068872A (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3252545A1 (de) * 2016-06-03 2017-12-06 The Swatch Group Research and Development Ltd. Uhrenmechanismus zum einstellen der unruhträgheit
CH714264A2 (fr) * 2017-10-23 2019-04-30 Winston Harry Sa Écrin pour montre électromécanique et ensemble le comprenant.
EP3584645A1 (de) * 2018-06-19 2019-12-25 The Swatch Group Research and Development Ltd Uhr, die ein mechanisches uhrwerk umfasst, dessen ganggenauigkeit durch eine elektromechanische vorrichtung reguliert wird
EP3620867A1 (de) * 2018-09-04 2020-03-11 The Swatch Group Research and Development Ltd Uhr, die einen mechanischen oszillator umfasst, dessen durchschnittliche frequenz mit der eines elektronischen referenzoszillators synchronisiert ist
EP3629104A1 (de) 2018-09-27 2020-04-01 The Swatch Group Research and Development Ltd Uhrwerksanordnung, die einen mechanischen oszillator umfasst, der mit einer elektronischen vorrichtung zur regulierung seiner mittleren frequenz verbunden ist
WO2021121711A1 (fr) 2019-12-17 2021-06-24 The Swatch Group Research And Development Ltd Piece d'horlogerie munie d'un mouvement mecanique et d'un dispositif de correction d'une heure affichee

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3001259A1 (de) * 2014-09-26 2016-03-30 ETA SA Manufacture Horlogère Suisse Einstellvorrichtung des Gangs eines mechanischen Uhrwerks
EP3333641B1 (de) * 2016-12-06 2019-07-10 ETA SA Manufacture Horlogère Suisse Uhrwerksmechanismus zur steuerung einer vielzahl von anzeigen
EP3339982B1 (de) 2016-12-23 2021-08-25 The Swatch Group Research and Development Ltd Regulierung durch mechanisches bremsen eines mechanischen oszillators einer uhr
EP3537233A1 (de) 2018-03-08 2019-09-11 IAV Engineering SARL Zeiteinstellungsvorrichtung
EP3842876A1 (de) * 2019-12-24 2021-06-30 The Swatch Group Research and Development Ltd Uhr, die mit einem mechanischen uhrwerk und einer vorrichtung zur korrektur der angezeigten stunde ausgestattet ist

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3252545A1 (de) * 2016-06-03 2017-12-06 The Swatch Group Research and Development Ltd. Uhrenmechanismus zum einstellen der unruhträgheit
CH714264A2 (fr) * 2017-10-23 2019-04-30 Winston Harry Sa Écrin pour montre électromécanique et ensemble le comprenant.
EP3584645A1 (de) * 2018-06-19 2019-12-25 The Swatch Group Research and Development Ltd Uhr, die ein mechanisches uhrwerk umfasst, dessen ganggenauigkeit durch eine elektromechanische vorrichtung reguliert wird
EP3620867A1 (de) * 2018-09-04 2020-03-11 The Swatch Group Research and Development Ltd Uhr, die einen mechanischen oszillator umfasst, dessen durchschnittliche frequenz mit der eines elektronischen referenzoszillators synchronisiert ist
EP3629104A1 (de) 2018-09-27 2020-04-01 The Swatch Group Research and Development Ltd Uhrwerksanordnung, die einen mechanischen oszillator umfasst, der mit einer elektronischen vorrichtung zur regulierung seiner mittleren frequenz verbunden ist
WO2021121711A1 (fr) 2019-12-17 2021-06-24 The Swatch Group Research And Development Ltd Piece d'horlogerie munie d'un mouvement mecanique et d'un dispositif de correction d'une heure affichee

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US20230132978A1 (en) 2023-05-04
JP7446375B2 (ja) 2024-03-08
EP4174586B1 (de) 2024-05-29
JP2023067757A (ja) 2023-05-16
CN116068872A (zh) 2023-05-05

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