EP3800513B1 - Timepiece including a means for indicating am-pm - Google Patents

Timepiece including a means for indicating am-pm Download PDF

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Publication number
EP3800513B1
EP3800513B1 EP19201390.2A EP19201390A EP3800513B1 EP 3800513 B1 EP3800513 B1 EP 3800513B1 EP 19201390 A EP19201390 A EP 19201390A EP 3800513 B1 EP3800513 B1 EP 3800513B1
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EP
European Patent Office
Prior art keywords
inscriptions
display
series
disc
wheel
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.)
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Application number
EP19201390.2A
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German (de)
French (fr)
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EP3800513A1 (en
Inventor
Christian Rüfenacht
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 SA Manufacture Horlogere Suisse
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ETA SA Manufacture Horlogere Suisse
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
Application filed by ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP19201390.2A priority Critical patent/EP3800513B1/en
Priority to US16/998,035 priority patent/US11513475B2/en
Priority to JP2020148007A priority patent/JP7041219B2/en
Priority to CN202010967779.XA priority patent/CN112612195B/en
Priority to KR1020200119137A priority patent/KR102457850B1/en
Publication of EP3800513A1 publication Critical patent/EP3800513A1/en
Application granted granted Critical
Publication of EP3800513B1 publication Critical patent/EP3800513B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/25—Devices for setting the date indicators manually
    • 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
    • G04B19/06—Dials
    • G04B19/16—Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24
    • 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
    • G04B19/20—Indicating by numbered bands, drums, discs, or sheets
    • G04B19/202—Indicating by numbered bands, drums, discs, or sheets by means of turning discs
    • 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
    • G04B19/06—Dials
    • G04B19/16—Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24
    • G04B19/166—Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24 with rotating scales
    • 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
    • G04B19/04—Hands; Discs with a single mark or the like
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/04—Hands; Discs with a single mark or the like
    • G04B19/046—Indicating by means of a disc with a mark or window
    • 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
    • G04B19/06—Dials
    • G04B19/08—Geometrical arrangement of the graduations
    • 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
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • 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
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped

Definitions

  • the invention relates to the field of horology, and in particular the field of watches.
  • the invention relates more particularly to a timepiece provided with an AM-PM display device by making it appear in two apertures formed in the dial of the watch, and a rotating disc bearing at least a first series of inscriptions corresponding to the morning and at least a second series of inscription corresponding to the afternoon, these two series of display being arranged on at least two concentric circles.
  • the state of the art includes numerous documents relating to AM/PM display devices.
  • the object of the invention is in particular to overcome the various drawbacks of these known techniques.
  • one objective of the invention is to provide a watch with an AM-PM display allowing easy adjustment, of simple design and inexpensive to implement.
  • a timepiece comprising at least analog time display means, a device for AM-PM display to display day-night information in the dial of said timepiece.
  • the AM-PM display device comprises at least two apertures arranged in the dial of the watch, a rotating display disc bearing at least a first series of inscriptions corresponding to the day and at least a second series registration corresponding to the night, these two series of displays being arranged on at least two concentric circles, and a drive mechanism arranged to automatically and alternately bring said first series of registrations into a first window and said second series of inscription in a second window via a rotation of said display disc, the first and second windows being diametrically opposed with respect to the time display means, the AM/PM inscriptions of the first and second series of inscriptions being arranged on the same radius of the display disc and each comprising seven inscriptions arranged every 360°/7.
  • the object of the present invention by its various functional and structural aspects described above, makes it possible to obtain a watch with an AM-PM display of simple design, compact and adaptable to many existing models.
  • a timepiece comprising at least analog time display means, an AM-PM display device for displaying day-night information in the dial of said timepiece according to the invention will now be described in the following referring jointly to the figures 1 to 5 .
  • the dial 2 of a watch 1 is represented by a disc and comprises at least two apertures 3, 3' in which respectively appears an inscription indicating AM or PM, the two apertures 3, 3' being diametrically opposed with respect to the means of hour display 6 formed in a conventional manner by hands.
  • These inscriptions are inscribed on a rotating disc or ring called display disc 5, placed under dial 2, and which bears a first series of inscriptions AM and a second series of inscriptions PM.
  • these two series of inscriptions are arranged on two concentric circles, the series of inscriptions here being arranged side by side.
  • the first series of inscriptions consists of seven AM inscriptions and occupies the outer circle
  • the second series of inscriptions consists of seven PM inscriptions and occupies the inner circle, the two display series being arranged on at least two circles concentric.
  • the display device also comprises a drive mechanism arranged to automatically and alternately bring said first series of entries into a first window and said second series of entries into a second window via rotation of said display disc.
  • the inscriptions of each circle are arranged on the spokes of the display disk 5, the spokes being spaced of 360°/7. Thanks to this arrangement, one of the two inscriptions is alternately displayed in one of the two windows 3, 3 ', the passage from the AM display to the PM display corresponding to a rotation of the display disc 5 of one-seventh of a revolution, i.e. every twelve hours.
  • This arrangement of the AM-PM inscriptions is particularly advantageous compared to a conventional arrangement where the inscriptions follow each other on the same circle, this makes it possible to considerably enlarge the size of the inscriptions while limiting the size on the display disc and by hence makes it easier to read.
  • the watch whose movement is partially represented seen in section by the figure 5 comprises the dial 2 with an aperture 3 and the display disc 5.
  • the drive mechanism of this display disc consists of a star wheel 51 comprising peripheral toothing 52 consisting of fourteen teeth and which is arranged to cooperate with a wheel 53 carrying diametrically opposed fingers 54, the wheel 53 being driven by the hour wheel.
  • the star 51 is secured to the display disk and centered on the latter, the two parts forming a single element.
  • the display disc 5 includes additional inscriptions so as to display the day of the week in one of the windows 3, 3'.
  • an AM/PM display device allowing simple reading and facilitating adjustment of the watch after a prolonged period during which the watch has not been worn.
  • the invention also makes it possible to facilitate the assembly/disassembly operations as well as the maintenance of a timepiece equipped with a device according to the invention.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)

Description

Domaine de l'inventionField of the invention

L'invention se rapporte au domaine de l'horlogerie, et en particulier le domaine des montres. L'invention concerne plus particulièrement une pièce d'horlogerie munie d'un dispositif d'affichage AM-PM en le faisant apparaître dans deux guichets ménagés dans le cadran de la montre, et un disque rotatif portant au moins une première série d'inscription correspondant à la matinée et au moins une deuxième série d'inscription correspondant à l'après-midi, ces deux séries d'affichage étant disposées sur au moins deux cercles concentriques.The invention relates to the field of horology, and in particular the field of watches. The invention relates more particularly to a timepiece provided with an AM-PM display device by making it appear in two apertures formed in the dial of the watch, and a rotating disc bearing at least a first series of inscriptions corresponding to the morning and at least a second series of inscription corresponding to the afternoon, these two series of display being arranged on at least two concentric circles.

Arrière-plan de l'inventionBackground of the invention

L'état de la technique comprend de nombreux documents relatifs aux dispositifs d'affichage AM/PM.The state of the art includes numerous documents relating to AM/PM display devices.

Il est connu d'afficher le moment de la journée au moyen d'un disque ayant une surface visible qui est entraîné de manière à effectuer un tour en vingt-quatre heures dans le même sens que l'aiguille des heures. La surface visible du disque définit visuellement deux demi-disques pour indiquer l'information AM-PM relative à l'heure affichée par cette aiguille des heures.It is known to display the time of day by means of a disk having a visible surface which is driven so as to make one revolution in twenty-four hours in the same direction as the hour hand. The visible surface of the disc visually defines two half-discs to indicate the AM-PM information relating to the time displayed by this hour hand.

Cependant, un tel affichage ne permet pas une lecture simple et directe de l'information AM-PM, ce type d'affichage étant généralement de petite taille. De même, lors du réglage de l'heure il n'est pas aisé de vérifier rapidement s'il s'agit du de la matinée ou de l'après-midi.However, such a display does not allow simple and direct reading of the AM-PM information, this type of display being generally small in size. Similarly, when setting the time, it is not easy to quickly check whether it is morning or afternoon.

On connait également des documents US 5 327 401 , CH 343 915 et CH 502 629 de tels affichages.We also know of documents US 5,327,401 , CH 343 915 And CH 502 629 such displays.

Résumé de l'inventionSummary of the invention

L'invention a notamment pour objectif de pallier les différents inconvénients de ces techniques connues.The object of the invention is in particular to overcome the various drawbacks of these known techniques.

Plus précisément, un objectif de l'invention est de fournir une montre avec un affichage AM-PM permettant un réglage aisé, de conception simple et peu coûteux à mettre en oeuvre.More specifically, one objective of the invention is to provide a watch with an AM-PM display allowing easy adjustment, of simple design and inexpensive to implement.

Ces objectifs, ainsi que d'autres qui apparaîtront plus clairement par la suite, sont atteints selon l'invention à l'aide d'une pièce d'horlogerie comprenant au moins des moyens d'affichage analogique de l'heure, un dispositif d'affichage AM-PM pour afficher un information jour-nuit dans le cadran de ladite pièce d'horlogerie.These objectives, as well as others which will appear more clearly subsequently, are achieved according to the invention using a timepiece comprising at least analog time display means, a device for AM-PM display to display day-night information in the dial of said timepiece.

Selon l'invention, le dispositif d'affichage AM-PM comprend au moins deux guichets ménagés dans le cadran de la montre, un disque d'affichage rotatif portant au moins une première série d'inscription correspondant au jour et au moins une deuxième série d'inscription correspondant à la nuit, ces deux séries d'affichage étant disposées sur au moins deux cercles concentriques, et un mécanisme d'entrainement agencé pour amener automatiquement et alternativement ladite première série d'inscription dans un premier guichet et ladite deuxième série d'inscription dans un deuxième guichet via une rotation dudit disque d'affichage, les premiers et deuxièmes guichets étant diamétralement opposés par rapport aux moyens d'affichage de l'heure, les inscriptions AM/PM des première et deuxième séries d'inscription étant disposées sur un même rayon du disque d'affichage et comprenant chacune sept inscriptions disposées tous les 360°/7.According to the invention, the AM-PM display device comprises at least two apertures arranged in the dial of the watch, a rotating display disc bearing at least a first series of inscriptions corresponding to the day and at least a second series registration corresponding to the night, these two series of displays being arranged on at least two concentric circles, and a drive mechanism arranged to automatically and alternately bring said first series of registrations into a first window and said second series of inscription in a second window via a rotation of said display disc, the first and second windows being diametrically opposed with respect to the time display means, the AM/PM inscriptions of the first and second series of inscriptions being arranged on the same radius of the display disc and each comprising seven inscriptions arranged every 360°/7.

Ainsi, l'objet de la présente invention, par ses différents aspects fonctionnels et structurels décrits ci-dessus, permet d'obtenir une montre avec un affichage AM-PM de conception simple, peu encombrant et adaptable à de nombreux modèles existants.Thus, the object of the present invention, by its various functional and structural aspects described above, makes it possible to obtain a watch with an AM-PM display of simple design, compact and adaptable to many existing models.

Conformément à d'autres variantes avantageuses de l'invention :

  • ledit disque d'affichage est excentré par rapport aux moyens d'affichage de l'heure ;
  • ledit disque d'affichage pivote autour des moyens d'affichage de l'heure ;
  • lesdits moyens d'entrainement comprennent une roue des heures et une étoile de quatorze dents solidaire dudit disque d'affichage, ladite étoile étant agencée pour coopérer avec deux doigts diamétralement opposée et solidaires de la roue des heures ;
  • ledit disque d'affichage comprend une troisième série d'inscription indiquant le nom du jour de la semaine affichée dans un troisième guichet formé dans le cadran.
In accordance with other advantageous variants of the invention:
  • said display disc is offset from the time display means;
  • said display disc pivots around the time display means;
  • said drive means comprise an hour wheel and a fourteen-tooth star fixed to said display disc, said star being arranged to cooperate with two diametrically opposed fingers and fixed to the hour wheel;
  • said display disc comprises a third series of inscription indicating the name of the day of the week displayed in a third aperture formed in the dial.

Description sommaire des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de l'invention apparaîtront plus clairement à la lecture de la description suivante d'un mode de réalisation particulier de l'invention, donné à titre de simple exemple illustratif et non limitatif, et des figures annexées, parmi lesquelles :

  • la figure 1 est une vue en perspective d'un mouvement horloger comprenant un dispositif d'affichage conforme à l'invention ;
  • les figures 2a et 2b sont respectivement des vues du dispositif d'affichage selon un premier et deuxième mode de réalisation de l'invention ;
  • la figure 3 illustre une vue détaillée d'un dispositif conforme à l'invention sans le disque d'affichage ;
  • les figure 4a à 4c sont des vues de dessus, de dessous et de profil du disque d'affichage du dispositif conforme à l'invention ;
  • la figure 5 est une vue en coupe d'un mouvement horloger comprenant un dispositif d'affichage conforme à l'invention.
Other characteristics and advantages of the invention will appear more clearly on reading the following description of a particular embodiment of the invention, given by way of simple illustrative and non-limiting example, and the appended figures, among which :
  • there figure 1 is a perspective view of a watch movement comprising a display device according to the invention;
  • THE figure 2a And 2b are respectively views of the display device according to a first and second embodiment of the invention;
  • there picture 3 illustrates a detailed view of a device according to the invention without the display disc;
  • THE figure 4a to 4c are top, bottom and side views of the display disc of the device according to the invention;
  • there figure 5 is a sectional view of a watch movement comprising a display device according to the invention.

Description détaillée des modes de réalisation préférésDetailed Description of Preferred Embodiments

Une pièce d'horlogerie comprenant au moins des moyens d'affichage analogique de l'heure, un dispositif d'affichage AM-PM pour afficher un information jour-nuit dans le cadran de ladite pièce d'horlogerie selon l'invention va maintenant être décrite dans ce qui suit faisant référence conjointement aux figures 1 à 5.A timepiece comprising at least analog time display means, an AM-PM display device for displaying day-night information in the dial of said timepiece according to the invention will now be described in the following referring jointly to the figures 1 to 5 .

En référence aux figures 1 et 2, le cadran 2 d'une montre 1 est représenté par un disque et comporte au moins deux guichets 3, 3' dans lesquels apparaît respectivement une inscription indiquant AM ou PM, les deux guichets 3, 3' étant diamétralement opposés par rapport aux moyens d'affichage de l'heure 6 formés de manière classique par des aiguilles. Ces inscriptions sont inscrites sur un disque rotatif ou anneau appelé disque d'affichage 5, disposé sous le cadran 2, et qui porte une première série d'inscription AM et une deuxième série d'inscription PM. Dans le mode de réalisation représenté aux figures 1 et 2, ces deux séries de d'inscriptions sont disposées sur deux cercles concentriques, les séries d'inscriptions étant ici disposées côte à côte. La première série d'inscription se compose de sept inscription AM et occupe le cercle extérieur, et la deuxième série d'inscriptions se compose de sept inscriptions PM et occupe le cercle intérieur, les deux séries d'affichage étant disposées sur au moins deux cercles concentriques.With reference to figure 1 And 2 , the dial 2 of a watch 1 is represented by a disc and comprises at least two apertures 3, 3' in which respectively appears an inscription indicating AM or PM, the two apertures 3, 3' being diametrically opposed with respect to the means of hour display 6 formed in a conventional manner by hands. These inscriptions are inscribed on a rotating disc or ring called display disc 5, placed under dial 2, and which bears a first series of inscriptions AM and a second series of inscriptions PM. In the embodiment shown in figure 1 And 2 , these two series of inscriptions are arranged on two concentric circles, the series of inscriptions here being arranged side by side. The first series of inscriptions consists of seven AM inscriptions and occupies the outer circle, and the second series of inscriptions consists of seven PM inscriptions and occupies the inner circle, the two display series being arranged on at least two circles concentric.

La dispositif d'affichage comprend également un mécanisme d'entrainement agencé pour amener automatiquement et alternativement ladite première série d'inscription dans un premier guichet et ladite deuxième série d'inscription dans un deuxième guichet via une rotation dudit disque d'affichage.The display device also comprises a drive mechanism arranged to automatically and alternately bring said first series of entries into a first window and said second series of entries into a second window via rotation of said display disc.

Comme on peut le remarquer, les inscriptions de chaque cercle sont disposées sur des rayons du disque d'affichage 5, les rayons étant espacés de 360°/7. Grâce à cette disposition, l'une des deux inscriptions est alternativement affichée dans l'un des deux guichets 3, 3', le passage de l'affichage AM à l'affichage PM correspondant à une rotation du disque d'affichage 5 d'un septième de tour, soit toutes les douze heures.As can be seen, the inscriptions of each circle are arranged on the spokes of the display disk 5, the spokes being spaced of 360°/7. Thanks to this arrangement, one of the two inscriptions is alternately displayed in one of the two windows 3, 3 ', the passage from the AM display to the PM display corresponding to a rotation of the display disc 5 of one-seventh of a revolution, i.e. every twelve hours.

Cette disposition des inscription AM-PM est particulièrement avantageuse par rapport à une disposition classique où les inscriptions se suivent sur un même cercle, cela permet d'agrandir considérablement la taille des inscriptions tout en limitant l'encombrement sur le disque d'affichage et par conséquent facilite la lecture.This arrangement of the AM-PM inscriptions is particularly advantageous compared to a conventional arrangement where the inscriptions follow each other on the same circle, this makes it possible to considerably enlarge the size of the inscriptions while limiting the size on the display disc and by hence makes it easier to read.

La montre dont le mouvement est partiellement représenté vu en coupe par la figure 5 comporte le cadran 2 avec un guichet 3 et le disque d'affichage 5.The watch whose movement is partially represented seen in section by the figure 5 comprises the dial 2 with an aperture 3 and the display disc 5.

Le mécanisme d'entraînement de ce disque d'affichage se compose d'une étoile 51 comportant une denture périphérique 52 se composant de quatorze dents et qui est agencée pour coopérer avec une roue 53 portant doigts 54 diamétralement opposés, la roue 53 étant entrainée par la roue des heures. L'étoile 51 est solidaire du disque d'affichage et centrée sur ce dernier, les deux pièces formant un élément d'un seul tenant.The drive mechanism of this display disc consists of a star wheel 51 comprising peripheral toothing 52 consisting of fourteen teeth and which is arranged to cooperate with a wheel 53 carrying diametrically opposed fingers 54, the wheel 53 being driven by the hour wheel. The star 51 is secured to the display disk and centered on the latter, the two parts forming a single element.

Selon un autre mode de réalisation de l'invention visible aux figures 1 et 2a, le disque d'affichage 5 comprend des inscriptions supplémentaires de manière à afficher égalent le jour de la semaine dans l'un des guichets 3, 3'.According to another embodiment of the invention visible in figure 1 And 2a , the display disc 5 includes additional inscriptions so as to display the day of the week in one of the windows 3, 3'.

Grâce à ces différents aspects de l'invention, on dispose d'un dispositif d'affichage AM/PM permettant une lecture simple et de faciliter le réglage de la montre après une période prolongée au cours de laquelle la montre n'a pas été portée. L'invention permet également de faciliter les opérations de montage/ démontage ainsi que l'entretien d'une pièce d'horlogerie équipée d'un dispositif conforme à l'invention.Thanks to these various aspects of the invention, there is an AM/PM display device allowing simple reading and facilitating adjustment of the watch after a prolonged period during which the watch has not been worn. . The invention also makes it possible to facilitate the assembly/disassembly operations as well as the maintenance of a timepiece equipped with a device according to the invention.

Claims (5)

  1. Timepiece (1) comprising at least analogue time display means, and an AM-PM display device for displaying a day-night information in the dial (2) of said timepiece, the AM-PM display device comprising at least two apertures (3, 3') made in the dial of the watch, a rotating display disc (5) bearing at least one first series of inscriptions corresponding to the day and at least one second series of inscriptions corresponding to the night, these two display series being disposed on at least two concentric circles, and a drive mechanism arranged so as to automatically and alternately bring said first series of inscriptions inside a first aperture and said second series of inscriptions inside a second aperture by rotating said display disc, the first and second apertures (3, 3') being diametrically opposite one another relative to the time display means, the AM/PM inscriptions of the first and second series of inscriptions being disposed along the same radius of the display disc and each comprising seven inscriptions disposed every 360°/7.
  2. Timepiece according to claim 1, characterised in that said display disc (5) is off-centred relative to the time display means.
  3. Timepiece according to claim 1 or 2, characterised in that said display disc (5) pivots about the time display means.
  4. Timepiece according to one of claims 1 to 3, characterised in that said drive means comprise an hour wheel, a wheel with two fingers, and a fourteen-tooth star-wheel integral with said display disc, said star-wheel being arranged so as to cooperate with two diametrically opposite fingers integral with the hour wheel.
  5. Timepiece according to one of claims 1 to 4, characterised in that said display disc comprises a third series of inscriptions indicating the name of the day of the week displayed in a third aperture formed in the dial.
EP19201390.2A 2019-10-04 2019-10-04 Timepiece including a means for indicating am-pm Active EP3800513B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP19201390.2A EP3800513B1 (en) 2019-10-04 2019-10-04 Timepiece including a means for indicating am-pm
US16/998,035 US11513475B2 (en) 2019-10-04 2020-08-20 Timepiece comprising AM-PM indicating means
JP2020148007A JP7041219B2 (en) 2019-10-04 2020-09-03 Timekeeper with morning and afternoon display means
CN202010967779.XA CN112612195B (en) 2019-10-04 2020-09-15 Timepiece comprising an AM-PM indicating device
KR1020200119137A KR102457850B1 (en) 2019-10-04 2020-09-16 Timepiece comprising am-pm indicating means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19201390.2A EP3800513B1 (en) 2019-10-04 2019-10-04 Timepiece including a means for indicating am-pm

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EP3800513A1 EP3800513A1 (en) 2021-04-07
EP3800513B1 true EP3800513B1 (en) 2023-08-09

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EP19201390.2A Active EP3800513B1 (en) 2019-10-04 2019-10-04 Timepiece including a means for indicating am-pm

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US (1) US11513475B2 (en)
EP (1) EP3800513B1 (en)
JP (1) JP7041219B2 (en)
KR (1) KR102457850B1 (en)
CN (1) CN112612195B (en)

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Also Published As

Publication number Publication date
CN112612195A (en) 2021-04-06
JP2021060393A (en) 2021-04-15
KR102457850B1 (en) 2022-10-21
EP3800513A1 (en) 2021-04-07
KR20210041486A (en) 2021-04-15
JP7041219B2 (en) 2022-03-23
US20210103251A1 (en) 2021-04-08
US11513475B2 (en) 2022-11-29
CN112612195B (en) 2022-04-08

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