EP2977828A1 - Timepiece power reserve indicator - Google Patents

Timepiece power reserve indicator Download PDF

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Publication number
EP2977828A1
EP2977828A1 EP14177775.5A EP14177775A EP2977828A1 EP 2977828 A1 EP2977828 A1 EP 2977828A1 EP 14177775 A EP14177775 A EP 14177775A EP 2977828 A1 EP2977828 A1 EP 2977828A1
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EP
European Patent Office
Prior art keywords
power reserve
indicator
reserve indicator
energy accumulators
input
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Granted
Application number
EP14177775.5A
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German (de)
French (fr)
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EP2977828B1 (en
Inventor
Ivan Villar
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.)
ETA Manufacture Horlogere Suisse SA
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ETA Manufacture Horlogere Suisse SA
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Application filed by ETA Manufacture Horlogere Suisse SA filed Critical ETA Manufacture Horlogere Suisse SA
Priority to EP14177775.5A priority Critical patent/EP2977828B1/en
Priority to US14/797,383 priority patent/US9519270B2/en
Priority to JP2015141825A priority patent/JP5960892B2/en
Priority to CN201510427568.6A priority patent/CN105301941B/en
Publication of EP2977828A1 publication Critical patent/EP2977828A1/en
Priority to HK16106755.4A priority patent/HK1218788A1/en
Application granted granted Critical
Publication of EP2977828B1 publication Critical patent/EP2977828B1/en
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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
    • G04B1/00—Driving mechanisms
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/12—Driving mechanisms with mainspring with several mainsprings
    • 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
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/008—Winding up several mainsprings or driving weights simultaneously
    • 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
    • G04B9/00—Supervision of the state of winding, e.g. indicating the amount of winding
    • 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
    • G04B9/00—Supervision of the state of winding, e.g. indicating the amount of winding
    • G04B9/005—Supervision of the state of winding, e.g. indicating the amount of winding by optical indication of the amount of winding

Abstract

Indicateur de réserve de marche (1) d'horlogerie pour l'affichage de l'indication de réserve de marche d'une pluralité d'accumulateurs d'énergie (2) comportant chacun un indicateur (3) coopérant avec une entrée (4) d'un mécanisme différentiel (6) que comporte ledit indicateur de réserve de marche (1), et dont une sortie (6) dudit mécanisme différentiel (6) coopère avec un mécanisme d'affichage (7) de la réserve de marche totale de ladite pluralité d'accumulateurs d'énergie (2), caractérisé en ce que au moins deux dites entrées (4) sont coaxiales.

Figure imgaf001
Power reserve indicator (1) for displaying the power-reserve indication of a plurality of energy accumulators (2), each having an indicator (3) cooperating with an input (4) a differential mechanism (6) that includes said power reserve indicator (1), and an output (6) of said differential mechanism (6) cooperates with a display mechanism (7) of the total power reserve of said plurality of energy accumulators (2), characterized in that at least two said inputs (4) are coaxial.
Figure imgaf001

Description

Domaine de l'inventionField of the invention

L'invention concerne un indicateur de réserve de marche d'horlogerie pour l'affichage de l'indication de réserve de marche d'une pluralité d'accumulateurs d'énergie comportant chacun un indicateur coopérant avec une entrée d'un mécanisme différentiel que comporte ledit indicateur de réserve de marche, et dont une sortie dudit mécanisme différentiel coopère avec un mécanisme d'affichage de la réserve de marche totale de ladite pluralité d'accumulateurs d'énergieThe invention relates to a power reserve indicator for displaying the power-reserve indication of a plurality of energy accumulators each comprising an indicator cooperating with an input of a differential mechanism that comprises said power reserve indicator, and an output of said differential mechanism cooperating with a mechanism for displaying the total power reserve of said plurality of energy accumulators

L'invention concerne encore un mouvement d'horlogerie comportant au moins un tel indicateur de réserve de marche.The invention also relates to a watch movement comprising at least one such power reserve indicator.

L'invention concerne encore une pièce d'horlogerie comportant au moins un tel indicateur de réserve de marche.The invention also relates to a timepiece comprising at least one such power reserve indicator.

L'invention concerne le domaine des mécanismes d'affichage d'horlogerie.The invention relates to the field of clock display mechanisms.

Arrière-plan de l'inventionBackground of the invention

L'indication de réserve de marche d'un mécanisme ou d'un mouvement d'horlogerie se complique lorsque plusieurs accumulateurs d'énergie sont agencés pour délivrer leur énergie à ce mécanisme ou à ce mouvement.The power reserve indication of a mechanism or a clockwork movement is complicated when several energy accumulators are arranged to deliver their energy to this mechanism or to this movement.

En particulier, afin de disposer d'une réserve de marche augmentée, on peut disposer plusieurs accumulateur sen série, notamment des barillets. On peut visualiser la réserve de marche globale en utilisant un mécanisme différentiel, comportant une entrée par accumulateur ou barillet. Par exemple, dans le cas de deux barillets montés en série, l'indication de réserve de marche requiert une première entrée pour le premier barillet (remontage) et une deuxième entrée sur le deuxième barillet (désarmage). Un tel mécanisme différentiel à entrées séparées occupe un volume important au sein du mouvement horloger, ce qui empêche, bien souvent, l'équipement d'une pièce d'horlogerie avec à la fois, d'une part plusieurs accumulateurs et un tel affichage à différentiel, et d'autre part d'autres complications.In particular, in order to have an increased power reserve, it is possible to have several accumulators in series, in particular barrels. The global power reserve can be visualized by using a differential mechanism, comprising an input by accumulator or barrel. For example, in the case of two barrels mounted in series, the power reserve indication requires a first entry for the first barrel (winding) and a second entry on the second barrel (disarming). Such differential mechanism with separate inputs occupies a large volume within the watch movement, which very often prevents the equipment of a timepiece with both, on the one hand, several accumulators and such a display. differential, and on the other hand other complications.

Résumé de l'inventionSummary of the invention

L'invention se propose de fournir un mécanisme d'affichage fiable et compact de la réserve de marche d'un train d'accumulateurs d'énergie, nécessitant moins de volume qu'un différentiel à entrées séparées avec des trains de renvois intermédiaires.The invention proposes to provide a reliable and compact display mechanism of the power reserve of an energy storage train, requiring less volume than a differential with separate inputs with intermediate gear trains.

A cet effet, l'invention concerne un indicateur de réserve de marche d'horlogerie pour l'affichage de l'indication de réserve de marche d'une pluralité d'accumulateurs d'énergie comportant chacun un indicateur coopérant avec une entrée d'un mécanisme différentiel que comporte ledit indicateur de réserve de marche, et dont une sortie dudit mécanisme différentiel coopère avec un mécanisme d'affichage de la réserve de marche totale de ladite pluralité d'accumulateurs d'énergie, caractérisé en ce que au moins deux dites entrées sont coaxiales.For this purpose, the invention relates to a watch power reserve indicator for displaying the power-reserve indication of a plurality of energy accumulators each comprising an indicator cooperating with an input of a battery. differential mechanism that includes said power reserve indicator, and an output of said differential mechanism cooperates with a display mechanism of the total power reserve of said plurality of energy accumulators, characterized in that at least two said inputs are coaxial.

L'invention concerne encore un mouvement d'horlogerie comportant au moins un tel indicateur de réserve de marche.The invention also relates to a watch movement comprising at least one such power reserve indicator.

L'invention concerne encore une pièce d'horlogerie comportant au moins un tel indicateur de réserve de marche.The invention also relates to a timepiece comprising at least one such power reserve indicator.

Description sommaire des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui va suivre, en référence aux dessins annexés, où :

  • la figure 1 représente, de façon schématisée et en coupe passant par les différents axes de pivotement, une partie d'un mécanisme d'horlogerie comportant un indicateur de réserve de marche selon l'invention, agencé pour l'affichage de l'indication de réserve de marche de deux barillets différents, grâce à un mécanisme différentiel, dont l'axe est représenté en double pour illustrer séparément sa coopération directe ou indirecte avec chacun de ces barillets ;
  • la figure 2 est un schéma-blocs représentant une pièce d'horlogerie, notamment une montre, comportant un mouvement équipé d'un tel indicateur de réserve de marche visualisant la réserve de deux barillets.
Other features and advantages of the invention will appear on reading the detailed description which follows, with reference to the appended drawings, in which:
  • the figure 1 represents, schematically and in section through the various pivot axes, a portion of a clockwork mechanism comprising a power reserve indicator according to the invention, arranged for displaying the power reserve indication; two different barrels, thanks to a differential mechanism, whose axis is represented in duplicate to separately illustrate its direct or indirect cooperation with each of these barrels;
  • the figure 2 is a block diagram representing a timepiece, including a watch, comprising a movement equipped with such a power reserve indicator displaying the reserve of two barrels.

Description détaillée des modes de réalisation préférésDetailed Description of the Preferred Embodiments

L'invention se propose de fournir un mécanisme d'affichage fiable et compact de la réserve de marche d'un train d'accumulateurs d'énergie, nécessitant moins de volume qu'un différentiel à entrées séparées avec des trains de renvois intermédiaires.The invention proposes to provide a reliable and compact display mechanism of the power reserve of an energy storage train, requiring less volume than a differential with separate inputs with intermediate gear trains.

L'emploi d'un mécanisme différentiel est une bonne solution pour un tel affichage, il convient toutefois d'en minimiser le volume, en raison du volume déjà très important occupé par la pluralité d'accumulateurs d'énergie au sein du mouvement horloger.The use of a differential mechanism is a good solution for such a display, it is however necessary to minimize the volume, because of the already very large volume occupied by the plurality of energy accumulators within the watch movement.

L'invention est décrite et illustrée ici avec l'exemple non limitatif d'un mouvement comportant deux barillets usuels. D'autres accumulateurs peuvent être utilisées, le nombre d'accumulateurs n'est pas limité, dans la mesure où on compare l'état du premier et du dernier d'entre eux.The invention is described and illustrated here with the nonlimiting example of a movement comprising two conventional barrels. Other accumulators can be used, the number of accumulators is not limited, in so far as the state of the first and the last of them is compared.

Ainsi, l'invention concerne un indicateur de réserve de marche 1 d'horlogerie pour l'affichage de l'indication de réserve de marche d'une pluralité d'accumulateurs d'énergie 2. L'indicateur de réserve de marche 1 comporte un mécanisme différentiel 6. Les accumulateurs d'énergie 2 comportent chacun un indicateur 3, qui coopère avec une entrée 4 d'un mécanisme différentiel 6. Une sortie 66 de ce mécanisme différentiel 6 coopère avec un mécanisme d'affichage 7 de la réserve de marche totale de la pluralité d'accumulateurs d'énergie 2.Thus, the invention relates to a watch 1 power reserve indicator for displaying the power reserve indication of a plurality of energy accumulators 2. The power reserve indicator 1 comprises a differential mechanism 6. The energy accumulators 2 each comprise an indicator 3, which cooperates with an input 4 of a differential mechanism 6. An output 66 of this differential mechanism 6 cooperates with a display mechanism 7 of the power reserve total of the plurality of energy accumulators 2.

Selon l'invention, au moins deux de ces entrées 4 sont coaxiales.According to the invention, at least two of these inputs 4 are coaxial.

Dans une réalisation particulière, toutes les entrées 4 sont coaxiales.In a particular embodiment, all the inputs 4 are coaxial.

Dans une réalisation particulière, plusieurs des accumulateurs d'énergie 2 sont disposés en série les uns avec les autres. Plus particulièrement ils sont tous disposés en série les uns avec les autres.In a particular embodiment, several of the energy accumulators 2 are arranged in series with each other. More particularly they are all arranged in series with each other.

Dans une réalisation particulière, plusieurs de ces accumulateurs d'énergie 2 sont disposés en parallèle les uns avec les autres.In a particular embodiment, several of these energy accumulators 2 are arranged in parallel with each other.

Dans une réalisation particulière, au moins un accumulateur d'énergie 2 est un barillet.In a particular embodiment, at least one energy accumulator 2 is a cylinder.

Dans une réalisation particulière telle qu'illustrée par la figure 1, tous les accumulateurs d'énergie 2 sont des barillets.In a particular embodiment as illustrated by the figure 1 , all the energy accumulators 2 are barrels.

L'invention concerne encore un mouvement 10 d'horlogerie comportant au moins un tel indicateur de réserve de marche 1.The invention also relates to a clockwork movement comprising at least one such power reserve indicator 1.

L'invention concerne encore une pièce d'horlogerie 20, notamment une montre, comportant au moins un tel indicateur de réserve de marche 1, ou/et un tel mouvement 10. On comprend en effet que l'indicateur de réserve de marche peut concerner aussi bien un mouvement qu'une fonction annexe telle qu'un mécanisme de sonnerie ou similaire, disposant de ses propres accumulateurs d'énergie.The invention also relates to a timepiece 20, in particular a watch, comprising at least one such power reserve indicator 1, or / and such a movement 10. It is in fact understood that the power reserve indicator may relate to both a movement and an auxiliary function such as a striking mechanism or the like, having its own energy accumulators.

La figure 1 illustre un tel indicateur de réserve de marche 1 pour deux barillets 2A et 2B. La sortie 3A du premier barillet 2A coopère avec une première entrée 4A d'un mobile d'entrée 8 du différentiel 6, cette première entrée 4A est mobile en pivotement autour d'un premier axe D1. La sortie 3B du deuxième barillet 2B coopère avec une deuxième entrée 4B du mobile d'entrée 8, et cette deuxième entrée 4B est également mobile en pivotement autour du même premier axe D1, indépendamment de la première entrée 4A avec laquelle elle est coaxiale.The figure 1 illustrates such a power reserve indicator 1 for two barrels 2A and 2B. The output 3A of the first cylinder 2A cooperates with a first input 4A of an input mobile 8 of the differential 6, this first input 4A is pivotally movable about a first axis D1. The output 3B of the second cylinder 2B cooperates with a second input 4B of the input mobile 8, and this second input 4B is also pivotally movable about the same first axis D1, independently of the first input 4A with which it is coaxial.

La première entrée 4A engrène avec un premier plateau d'entrée 61 du différentiel 6, pivotant autour d'un deuxième axe de pivotement D2.The first input 4A meshes with a first input tray 61 of the differential 6, pivoting about a second pivot axis D2.

La deuxième entrée 4B est solidaire en pivotement d'une roue de sortie 41, qui engrène avec une roue de renvoi 5 pivotant autour d'un troisième axe de pivotement D3, et qui attaque un deuxième plateau d'entrée 62 du différentiel 6, pivotant autour du deuxième axe de pivotement D2.The second input 4B is integral in pivoting of an output wheel 41, which meshes with a return wheel 5 pivoting about a third pivot axis D3, and which drives a second input plate 62 of the differential 6, pivoting around the second pivot axis D2.

Le différentiel 6 comporte classiquement, pivotant autour du deuxième axe de pivotement D2, un moyeu 67 entraînant un disque porteur 63, lequel porte une ou plusieurs billes 64 en contact à la fois avec le premier plateau d'entrée 61 et deuxième plateau d'entrée 62, lesquels sont montés fous sur ce moyeu 67, sous l'action d'une friction imposée par un ou plusieurs ressorts 65. Le moyeu 67 est encore solidaire d'une sortie 66 sous la forme d'une roue qui engrène avec une planche de renvoi 91 que comporte un mobile d'entrée 9, pivotant autour d'un quatrième axe de pivotement D4, la planche 91 étant coaxiale et solidaire en pivotement d'un pignon 92 qui attaque une planche d'entrée 71 d'un mécanisme d'affichage de réserve de marche 7, coaxiale et solidaire en pivotement d'un arbre 72 agencé pour porter un élément d'affichage tel qu'aiguille, disque, ou similaire.The differential 6 conventionally comprises, pivoting about the second pivot axis D2, a hub 67 driving a carrier disc 63, which carries one or more balls 64 in contact with both the first input tray 61 and the second input tray 62, which are mounted idle on the hub 67, under the action of a friction imposed by one or more springs 65. The hub 67 is still integral with an output 66 in the form of a wheel which meshes with a board 91 which comprises an input movable 9, pivoting about a fourth pivot axis D4, the board 91 being coaxial and pivotally integral with a pinion 92 which attacks an input board 71 of a mechanism power reserve display 7, coaxial and integral in pivoting of a shaft 72 arranged to carry a display element such as needle, disk, or the like.

L'invention procure un gain de place notable à l'intérieur du mouvement horloger, le mécanisme selon l'invention étant beaucoup plus compact qu'un différentiel à entrées séparées.The invention provides a significant space saving within the watch movement, the mechanism according to the invention being much more compact than a differential with separate inputs.

L'économie réalisée au niveau de la fabrication et de l'assemblage est conséquente: un seul pivotement au niveau des ébauches, donc moins d'usinages, moins de pierres à garnir, plus grande facilité au montage et maîtrise des ébats facilitée.The economy achieved in manufacturing and assembly is consistent: a single pivot at the blanks, so less machining, fewer stones to garnish, easier assembly and easy control of the frolics.

Claims (8)

Indicateur de réserve de marche (1) d'horlogerie pour l'affichage de l'indication de réserve de marche d'une pluralité d'accumulateurs d'énergie (2) comportant chacun un indicateur (3) coopérant avec une entrée (4) d'un mécanisme différentiel (6) que comporte ledit indicateur de réserve de marche (1), et dont une sortie (66) dudit mécanisme différentiel (6) coopère avec un mécanisme d'affichage (7) de la réserve de marche totale de ladite pluralité d'accumulateurs d'énergie (2), caractérisé en ce que au moins deux dites entrées (4) sont coaxiales.Power reserve indicator (1) for displaying the power-reserve indication of a plurality of energy accumulators (2), each having an indicator (3) cooperating with an input (4) a differential mechanism (6) that includes said power reserve indicator (1), and an output (66) of said differential mechanism (6) cooperates with a display mechanism (7) of the total power reserve of said plurality of energy accumulators (2), characterized in that at least two said inputs (4) are coaxial. Indicateur de réserve de marche (1) selon la revendication 1, caractérisé en ce que toutes les dites entrées (4) sont coaxiales.Power reserve indicator (1) according to claim 1, characterized in that all said inputs (4) are coaxial. Indicateur de réserve de marche (1) selon la revendication 1 ou 2, caractérisé en ce que plusieurs desdits accumulateurs d'énergie (2) sont disposés en série les uns avec les autres.Power reserve indicator (1) according to claim 1 or 2, characterized in that a plurality of said energy accumulators (2) are arranged in series with each other. Indicateur de réserve de marche (1) selon la revendication 1 ou 2, caractérisé en ce que plusieurs desdits accumulateurs d'énergie (2) sont disposés en parallèle les uns avec les autres.Power reserve indicator (1) according to claim 1 or 2, characterized in that a plurality of said energy accumulators (2) are arranged in parallel with each other. Indicateur de réserve de marche (1) selon l'une des revendications précédentes, caractérisé en ce que au moins un dit accumulateur d'énergie (2) est un barillet.Power reserve indicator (1) according to one of the preceding claims, characterized in that at least one said energy accumulator (2) is a cylinder. Indicateur de réserve de marche (1) selon la revendication précédente, caractérisé en ce que tous les dits accumulateurs d'énergie (2) sont des barillets.Power reserve indicator (1) according to the preceding claim, characterized in that all said energy accumulators (2) are barrels. Mouvement (10) d'horlogerie comportant au moins un dit indicateur de réserve de marche (1) selon l'une des revendications précédentes.Clock movement (10) comprising at least one said power reserve indicator (1) according to one of the preceding claims. Pièce d'horlogerie (20) comportant au moins un dit indicateur de réserve de marche (1) selon l'une des revendications 1 à 6.Timepiece (20) comprising at least one said power reserve indicator (1) according to one of claims 1 to 6.
EP14177775.5A 2014-07-21 2014-07-21 Timepiece power reserve indicator Active EP2977828B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP14177775.5A EP2977828B1 (en) 2014-07-21 2014-07-21 Timepiece power reserve indicator
US14/797,383 US9519270B2 (en) 2014-07-21 2015-07-13 Power reserve indicator for a timepiece
JP2015141825A JP5960892B2 (en) 2014-07-21 2015-07-16 Power storage indicator for timer
CN201510427568.6A CN105301941B (en) 2014-07-21 2015-07-20 Energy reserve indicator for clock and watch
HK16106755.4A HK1218788A1 (en) 2014-07-21 2016-06-13 Power reserve indicator for a timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14177775.5A EP2977828B1 (en) 2014-07-21 2014-07-21 Timepiece power reserve indicator

Publications (2)

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EP2977828A1 true EP2977828A1 (en) 2016-01-27
EP2977828B1 EP2977828B1 (en) 2017-08-30

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US (1) US9519270B2 (en)
EP (1) EP2977828B1 (en)
JP (1) JP5960892B2 (en)
CN (1) CN105301941B (en)
HK (1) HK1218788A1 (en)

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EP3333637A1 (en) * 2016-12-12 2018-06-13 ETA SA Manufacture Horlogère Suisse Mechanical clock movement with power reserve detection
EP3627233A1 (en) * 2018-09-19 2020-03-25 ETA SA Manufacture Horlogère Suisse Timepiece power reserve indicator mechanism
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EP3306416B1 (en) * 2016-10-04 2019-08-21 ETA SA Manufacture Horlogère Suisse Mechanical clock movement with power-reserve detection

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* Cited by examiner, † Cited by third party
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EP3333637A1 (en) * 2016-12-12 2018-06-13 ETA SA Manufacture Horlogère Suisse Mechanical clock movement with power reserve detection
US10444705B2 (en) 2016-12-12 2019-10-15 Eta Sa Manufacture Horlogere Suisse Mechanical timepiece movement with power reserve detection
EP3627233A1 (en) * 2018-09-19 2020-03-25 ETA SA Manufacture Horlogère Suisse Timepiece power reserve indicator mechanism
US11526130B2 (en) 2018-09-19 2022-12-13 Eta Sa Manufacture Horlogere Suisse Power reserve indicator mechanism for horology
EP4343449A1 (en) * 2022-09-26 2024-03-27 Oris Holding AG Power reserve indicator

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HK1218788A1 (en) 2017-03-10
JP5960892B2 (en) 2016-08-02
CN105301941A (en) 2016-02-03
CN105301941B (en) 2018-02-02
US20160018787A1 (en) 2016-01-21
US9519270B2 (en) 2016-12-13
JP2016024196A (en) 2016-02-08
EP2977828B1 (en) 2017-08-30

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