EP1524564A1 - Perpetual or annual calendar watch comprising a mechanism for the display of the number of days in the current month - Google Patents
Perpetual or annual calendar watch comprising a mechanism for the display of the number of days in the current month Download PDFInfo
- Publication number
- EP1524564A1 EP1524564A1 EP03405732A EP03405732A EP1524564A1 EP 1524564 A1 EP1524564 A1 EP 1524564A1 EP 03405732 A EP03405732 A EP 03405732A EP 03405732 A EP03405732 A EP 03405732A EP 1524564 A1 EP1524564 A1 EP 1524564A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- month
- rocker
- display
- days
- cam
- 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
Links
Images
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
- G04B19/253—Driving or releasing 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
- G04B19/00—Indicating the time by visual means
- G04B19/06—Dials
- G04B19/08—Geometrical arrangement of the graduations
- G04B19/082—Geometrical arrangement of the graduations varying from the normal closed scale
-
- 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
- G04B19/241—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars the date is indicated by one or more hands
Definitions
- the present invention relates to a timepiece including an annual or perpetual display mechanism dates.
- the purpose of the present invention is to enable the use of this display potential not exploited so far.
- this invention relates to a part including an annual display mechanism or perpetual calendar according to claim 1.
- the essential advantage of this invention is to offer displaying an additional indication that was not still available so far for display mechanisms annual or perpetual calendars.
- the means for actuating the device display of this timepiece include a flip-flop of an indicator of this device display, a cam of the months of the date mechanism, a spring to squeeze the drive rocker against the cam of months and a kinematic link between the indicator element and the rocker training.
- This device has very few parts, so it is simple and reliable.
- Figure 1 is a plan view of the calendar mechanism perpetual of this timepiece
- Figures 2 to 5 are partial top views of the mechanism of Figure 1 showing the means for actuation a device for displaying the number of days of the month being displayed, in its four display positions possible.
- the timing mechanism of the timepiece object of the present invention comprises an actuating wheel 1, driven at the rate of 1 turn per 24 hours in the direction of the arrow F, by the clock wheel 1b of the clockwork of the timepiece.
- This actuating wheel 1 carries a peg 1a which serves to drive a finger 2 mounted pivoting on the same axis as the actuating wheel 1.
- This date wheel 7 still carries a second cam 7b spiral against which presses a rocker 8, under the pressure of a spring 9.
- This latch 8 carries a ratchet 8a for driving an annual wheel 10, positioned by a jumper 16 integral with the cam of the months 5.
- This annual wheel 10 has twelve teeth and is driven by a not every revolution of the date wheel 7, so that she herself makes a revolution every year.
- a second rocker 11 is pressed by a spring 12 against the cam of the months 5.
- This second rocker 11 presents a toothed sector 11a engaged with a pinion 13a coaxial with an indicator element 13 of the number display device of days of the month being displayed, pivoted on a axis 18.
- the cam of the months 5, like almost all the cams months of perpetual mechanisms of date nine angular portions formed of alternating segments of circle 5a centered on the axis of the annual wheel 10 and straight portions 5b tangent to a circle of more small diameter, so these 5a circle segments and these portions of straight lines 5b alternatively define two respective positions of the second latch 11 and therefore also two respective angular positions of the element indicator 13, depending on whether the month being displayed has 30 or 31 days.
- the cam 5 is replaced by a cam 14 which is secured to a satellite pinion located under the annual wheel 10 and which meshes with a fixed gear coaxial with this annual wheel 10.
- This cam 14 has two segments, one of large diameter for display of the month of February of 29 days, which extends over 90 ° and the other of smaller diameter for the month displays February 28 day, which extends over 270 °.
- This cam 14 is wedged on the axis of its satellite gear so that the small diameter portion comes into contact with the ends 3rd, 11b flip-flops 3, respectively 11 all years when the month of February has 28 days, while the portion large diameter of this cam 14 comes into contact with these same ends of the flip-flops 3 and 11 only in leap years, when the month of February at 29 days.
- Figures 2 to 5 illustrate the four positions that can occupy the indicator element 13 of the display device the number of days in the current month. Each of these angular positions corresponds to a figure corresponding to the number of days in the month being displayed.
- the finger 2 With each rotation of the actuating wheel 1, the finger 2 causes a pin 3f of the big rocker 3.
- the position this ergot 3f varies according to the initial position of this large rocker 3 bearing against the annual cam 5 or against the cam of February 14.
- the amplitude of the big rocker 3 is even greater than the number of days of the month is low.
- the big ratchet 3c comes in the recess of the correction cam 7a, so that when the rocker 3 is driven by the finger 2 of the wheel 1, the date indicator goes directly from the 30th to the 1st of the following month.
- the large ratchet 3 sets the date indicator on the number 1 for the beginning of the following month by coaching the date wheel of one, two, three or four steps in one once the month is 31, 30, 29 or 28 days.
- the rocker 8 falls into the recess of the cam 7b, training the annual wheel by 10.
- the rocker 3 takes a other position if the number of days of the following month changes and it is the same for the second flip-flop 11 of the device indicator of the number of days of the month, causing the positioning of the indicator element 13 vis-à-vis the number corresponding to the number of days in the month being displayed.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geometry (AREA)
- Electromechanical Clocks (AREA)
- Electric Clocks (AREA)
Abstract
Description
La présente invention se rapporte à une pièce d'horlogerie comprenant un mécanisme d'affichage annuel ou perpétuel des quantièmes.The present invention relates to a timepiece including an annual or perpetual display mechanism dates.
Les mécanismes connus d'affichage annuel ou perpétuel des quantièmes comportent généralement, outre l'indication des quantièmes, celle du mois en cours d'affichage et des jours de la semaine. A ces indications relatives à la division du temps, basée sur la durée de rotation de la Terre autour du Soleil, sont parfois adjointes des indications relatives à la position d'autres astres par rapport à la Terre, notamment celle de la Lune.Known mechanisms of annual or perpetual display calendars generally include, besides the indication dates, the month of the month being displayed and the days of the week. To these indications relating to the division of time, based on the rotation time of the Earth around the Sun, are sometimes accompanied by indications concerning at the position of other stars in relation to the Earth, especially that of the Moon.
Bien que tout mécanisme annuel ou perpétuel de quantièmes comporte nécessairement une came des mois pour définir le nombre de jours du mois en cours d'affichage, aucun de ces mécanismes ne propose toutefois un dispositif d'affichage pour indiquer combien il y a de jours dans le mois en cours d'affichage. Or, il s'agit là d'une indication extrêmement utile dans la vie de tous les jours.Although any annual or perpetual mechanism of calendars necessarily has a cam of months to define the number of days of the month being displayed, none of these mechanisms does however propose a display device to indicate how many days ago in the month in display course. This is an extremely important indication useful in everyday life.
Le but de la présente invention est de permettre l'utilisation de ce potentiel d'affichage non exploité jusqu'ici.The purpose of the present invention is to enable the use of this display potential not exploited so far.
A cet effet, cette invention a pour objet une pièce d'horlogerie comprenant un mécanisme d'affichage annuel ou perpétuel des quantièmes selon la revendication 1.For this purpose, this invention relates to a part including an annual display mechanism or perpetual calendar according to claim 1.
L'avantage essentiel de cette invention est d'offrir l'affichage d'une indication supplémentaire qui n'était pas encore disponible jusqu'ici pour les mécanismes d'affichage annuel ou perpétuel des quantièmes.The essential advantage of this invention is to offer displaying an additional indication that was not still available so far for display mechanisms annual or perpetual calendars.
De préférence, les moyens pour l'actionnement du dispositif d'affichage de cette pièce d'horlogerie comportent une bascule d'entraínement d'un indicateur de ce dispositif d'affichage, une came des mois du mécanisme des quantièmes, un ressort pour presser la bascule d'entraínement contre la came des mois et une liaison cinématique entre l'élément indicateur et la bascule d'entraínement.Preferably, the means for actuating the device display of this timepiece include a flip-flop of an indicator of this device display, a cam of the months of the date mechanism, a spring to squeeze the drive rocker against the cam of months and a kinematic link between the indicator element and the rocker training.
Ce dispositif comporte très peu de pièces, il est donc simple et fiable.This device has very few parts, so it is simple and reliable.
D'autres particularités de cette invention apparaítront à la lumière de la description qui va suivre et qui sera faite à l'aide du dessin annexé qui illustre, schématiquement et à titre d'exemple, une forme d'exécution de la pièce d'horlogerie objet de la présente invention.Other features of this invention will appear in the light of the following description, which will be made with the aid of the attached drawing which illustrates, schematically and as an example, an embodiment of the piece of horology object of the present invention.
La figure 1 est une vue en plan du mécanisme de calendrier perpétuel de cette pièce d'horlogerie;Figure 1 is a plan view of the calendar mechanism perpetual of this timepiece;
Les figures 2 à 5 sont des vues de dessus partielles du mécanisme de la figure 1 montrant les moyens pour l'actionnement d'un dispositif d'affichage du nombre de jours du mois en cours d'affichage, dans ses quatre positions d'affichage possibles.Figures 2 to 5 are partial top views of the mechanism of Figure 1 showing the means for actuation a device for displaying the number of days of the month being displayed, in its four display positions possible.
Le mécanisme de calendrier de la pièce d'horlogerie
objet de la présente invention comporte une roue d'actionnement
1, entraínée à raison de 1 tour par 24 heures dans le
sens de la flèche F, par la roue à canon 1b du rouage de minuterie
de la pièce d'horlogerie. Cette roue d'actionnement
1 porte une cheville 1a qui sert à entraíner un doigt 2 monté
pivotant sur le même axe que la roue d'actionnement 1.The timing mechanism of the timepiece
object of the present invention comprises an actuating wheel
1, driven at the rate of 1 turn per 24 hours in the
direction of the arrow F, by the
Une grande bascule 3 est montée pivotante autour d'un
axe 4 et est pressée contre une came des mois 5 par un ressort
6 qui tend à faire tourner cette grande bascule 3 autour
de cet axe 4 dans le sens des aiguilles d'une montre.
Cette grande bascule 3 sert à commander les principales
fonctions du calendrier. A cet effet, elle comporte un bec
d'actionnement 3a des jours de la semaine, un premier cliquet
d'entraínement 3b d'une roue de quantièmes 7 positionnée
par un sautoir 15 qui comporte 31 dents, ainsi qu'un
grand cliquet 3c qui coopère avec une came de correction 7a
en colimaçon, solidaire de la roue de quantièmes 7.A large rocker 3 is pivotally mounted around a
axis 4 and is pressed against a cam of the
Cette roue de quantièmes 7 porte encore une seconde came
7b en colimaçon contre laquelle appuie une bascule 8,
sous la pression d'un ressort 9. Cette bascule 8 porte un
cliquet 8a pour entraíner une roue annuelle 10, positionnée
par un sautoir 16 solidaire de la came des mois 5. Cette
roue annuelle 10 présente douze dents et est entraínée d'un
pas à chaque révolution de la roue de quantièmes 7, en sorte
qu'elle effectue elle-même une révolution par année.This date wheel 7 still carries a
Une seconde bascule 11 est pressée par un ressort 12
contre la came des mois 5. Cette seconde bascule 11 présente
un secteur denté 11a en prise avec un pignon 13a coaxial à
un élément indicateur 13 du dispositif d'affichage du nombre
de jours du mois en cours d'affichage, monté pivotant sur un
axe 18.A
La came des mois 5, comme pratiquement toutes les cames
des mois des mécanismes perpétuels de quantièmes comporte
neuf portions angulaires formées d'une alternance de segments
de cercle 5a centrés sur l'axe de la roue annuelle 10
et de portions droites 5b tangentes à un cercle de plus
petit diamètre, de sorte que ces segments de cercle 5a et
ces portions de droites 5b définissent alternativement deux
positions respectives de la seconde bascule 11 et donc également
deux positions angulaires respectives de l'élément
indicateur 13, selon que le mois en cours d'affichage a 30
ou 31 jours.The cam of the
En ce qui concerne le mois de février, la came 5 est
remplacée par une came 14 qui est solidaire d'un pignon satellite
situé sous la roue annuelle 10 et qui engrène avec
un pignon fixe coaxial à cette roue annuelle 10. Cette came
14 comporte deux segments, l'un de grand diamètre pour l'affichage
du mois de février de 29 jours, qui s'étend sur 90°
et l'autre de plus petit diamètre pour l'affichages des mois
de février de 28 jours, qui s'étend sur 270°. Cette came 14
est calée sur l'axe de son pignon satellite pour que la
portion de petit diamètre vienne en contact avec les extrémités
3e, 11b des bascules 3, respectivement 11 toutes les
années où le mois de février a 28 jours, tandis que la portion
de grand diamètre de cette came 14 vient en contact
avec ces mêmes extrémités des bascules 3 et 11 seulement
lors d'années bissextiles, lorsque le mois de février à 29
jours.As for the month of February, the
Les figures 2 à 5 illustrent les quatre positions que
peut occuper l'élément indicateur 13 du dispositif d'affichage
du nombre de jours du mois en cours d'affichage. Chacune
de ces positions angulaires correspond à un chiffre
correspondant au nombre de jours du mois en cours d'affichage.Figures 2 to 5 illustrate the four positions that
can occupy the
A chaque rotation de la roue d'actionnement 1, le doigt
2 entraíne un ergot 3f de la grande bascule 3. La position
de cet ergot 3f varie en fonction de la position initiale de
cette grande bascule 3 en appui contre la came annuelle 5 ou
contre la came de février 14. L'amplitude de la grande bascule
3 est d'autant plus grande que le nombre de jours du
mois est faible. De ce fait, à la fin d'un mois de moins de
31 jours, au trentième jour, le grand cliquet 3c vient dans
le décrochement de la came de correction 7a, en sorte que
lorsque la bascule 3 est entraínée par le doigt 2 de la roue
d'actionnement 1, l'indicateur de quantième passe directement
du 30 au 1 du mois suivant. Si le mois a 29 jours,
l'amplitude de la bascule 3 est encore plus grande et le
grand cliquet vient dans le décrochement de la came de correction
7a le 29 déjà et entraíne directement l'indicateur
des quantièmes du 29 au 1. Il en est encore de même lorsque
le mois a 28 jours. Quel que soit le nombre de jours dans le
mois, le grand cliquet 3 remet l'indicateur de quantièmes
sur le chiffre 1 pour le début du mois suivant en entraínant
la roue de quantièmes d'un, deux, trois ou quatre pas en une
fois suivant que le mois a 31, 30, 29 ou 28 jours.With each rotation of the actuating wheel 1, the
A la fin de chaque entraínement de la roue de quantièmes
par le grand cliquet 3c à la fin de chaque mois, la
bascule 8 tombe dans le décrochement de la came 7b, entraínant
d'un pas la roue annuelle 10. La bascule 3 prend une
autre position si le nombre de jours du mois suivant change
et il en est de même pour la seconde bascule 11 du dispositif
indicateur du nombre de jours du mois, provoquant le positionnement
de l'élément indicateur 13 vis-à-vis du chiffre
correspondant au nombre de jours du mois en cours d'affichage.At the end of each drive of the date wheel
by the
Claims (5)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03405732A EP1524564B1 (en) | 2003-10-13 | 2003-10-13 | Perpetual or annual calendar watch comprising a mechanism for the display of the number of days in the current month |
DE60314752T DE60314752T2 (en) | 2003-10-13 | 2003-10-13 | Eternal or yearly calendar clock with a mechanism to display the number of days in the current month |
TW093127133A TW200513814A (en) | 2003-10-13 | 2004-09-08 | Timepiece comprising an annual or perpetual date display mechanism |
CNA2004100744573A CN1607476A (en) | 2003-10-13 | 2004-09-16 | Timepiece comprising an annual or perpetual date display mechanism |
US10/952,271 US7038974B2 (en) | 2003-10-13 | 2004-09-28 | Timepiece comprising and annual or perpetual date display mechanism |
KR1020040081468A KR20050035504A (en) | 2003-10-13 | 2004-10-12 | Timepiece comprising an annual or perpetual date display mechanism |
JP2004298474A JP2005121657A (en) | 2003-10-13 | 2004-10-13 | Clock including annual or permanent date indication mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03405732A EP1524564B1 (en) | 2003-10-13 | 2003-10-13 | Perpetual or annual calendar watch comprising a mechanism for the display of the number of days in the current month |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1524564A1 true EP1524564A1 (en) | 2005-04-20 |
EP1524564B1 EP1524564B1 (en) | 2007-07-04 |
Family
ID=34354631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03405732A Expired - Lifetime EP1524564B1 (en) | 2003-10-13 | 2003-10-13 | Perpetual or annual calendar watch comprising a mechanism for the display of the number of days in the current month |
Country Status (7)
Country | Link |
---|---|
US (1) | US7038974B2 (en) |
EP (1) | EP1524564B1 (en) |
JP (1) | JP2005121657A (en) |
KR (1) | KR20050035504A (en) |
CN (1) | CN1607476A (en) |
DE (1) | DE60314752T2 (en) |
TW (1) | TW200513814A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2565729A1 (en) * | 2011-08-30 | 2013-03-06 | Breitling AG | Calendar mechanism |
EP3009893A1 (en) * | 2014-10-13 | 2016-04-20 | Montres Breguet SA | Differential perpetual calendar |
EP3173878A1 (en) * | 2015-11-26 | 2017-05-31 | Rolex Sa | Timepiece calendar system |
US10067473B2 (en) | 2015-11-26 | 2018-09-04 | Rolex Sa | Horology calendar system |
US10437198B2 (en) | 2015-11-26 | 2019-10-08 | Rolex Sa | Timepiece calendar system |
EP3671366A1 (en) * | 2018-12-21 | 2020-06-24 | ETA SA Manufacture Horlogère Suisse | Device for displaying a series of periodic events that form an annual cycle and timepiece comprising such a display device |
CH717492A1 (en) * | 2020-06-03 | 2021-12-15 | Parmigiani Michel | Hijri calendar. |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1818738A3 (en) * | 2006-02-14 | 2011-05-11 | Franck Müller Watchland SA | Four hundred year perpetual calendar |
ATE543125T1 (en) * | 2008-10-24 | 2012-02-15 | Eta Sa Mft Horlogere Suisse | AUXILIARY DEVICE FOR MAINTAINING THE POSITION OF A DATE DISC FOR A CLOCK MOVEMENT |
EP2503411B1 (en) * | 2011-03-22 | 2014-12-03 | Montres Breguet SA | Ewiger Kalender mit Einzelsperre |
EP3026505B1 (en) * | 2014-11-27 | 2017-09-27 | Société anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie | Annual or perpetual calendar mechanism and timepiece comprising the use thereof |
EP3026504B1 (en) * | 2014-11-27 | 2017-09-27 | Société anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie | Annual or perpetual calendar mechanism and timepiece comprising the use thereof |
CH711049A1 (en) * | 2015-05-08 | 2016-11-15 | Bucherer Ag | Year calendar for mechanical watches. |
EP3696617B1 (en) * | 2019-02-14 | 2023-07-05 | Glashütter Uhrenbetrieb GmbH | Mechanism for displaying month and leap year for a timepiece |
EP3722890A1 (en) * | 2019-04-10 | 2020-10-14 | ETA SA Manufacture Horlogère Suisse | Device for displaying a series of periodic events that form an annual cycle and timepiece comprising such a display device |
Citations (4)
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FR793442A (en) * | 1934-07-17 | 1936-01-24 | Perpetual calendar | |
CH538137A (en) * | 1971-04-07 | 1972-12-29 | Kocher Aeschbacher Hans | Date watch |
CH666591GA3 (en) * | 1986-09-03 | 1988-08-15 | Watch face display mechanism - includes spring biased pointer urged across scale by snail cam and rack mechanism during specific time interval | |
US5184333A (en) * | 1991-04-17 | 1993-02-02 | Montres Breguet S.A. | Clock movement |
Family Cites Families (7)
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US864177A (en) * | 1904-03-22 | 1907-08-27 | Gabriel Lopez Mantaras | Watch. |
CH544957A (en) * | 1970-03-26 | 1974-01-15 | Mingard Marcel | Oscillating rotary indicator timepiece |
CS163838B1 (en) | 1970-12-22 | 1975-11-07 | ||
IT1295123B1 (en) * | 1997-03-21 | 1999-04-30 | Luca Russi | Cam device to transform the rotary movement of the hands of a watch into an alternating movement along an arc of 120 |
CH691087A5 (en) * | 1997-04-04 | 2001-04-12 | Gerald Genta Sa | Timepiece, in particular wristwatch. |
USD423953S (en) * | 1998-12-01 | 2000-05-02 | Vacheron & Constantin S.A. | Watch |
EP1316858B1 (en) * | 2001-11-30 | 2008-01-23 | Rolex Sa | Date mechanism for timepiece |
-
2003
- 2003-10-13 DE DE60314752T patent/DE60314752T2/en not_active Expired - Lifetime
- 2003-10-13 EP EP03405732A patent/EP1524564B1/en not_active Expired - Lifetime
-
2004
- 2004-09-08 TW TW093127133A patent/TW200513814A/en unknown
- 2004-09-16 CN CNA2004100744573A patent/CN1607476A/en active Pending
- 2004-09-28 US US10/952,271 patent/US7038974B2/en not_active Expired - Fee Related
- 2004-10-12 KR KR1020040081468A patent/KR20050035504A/en not_active Application Discontinuation
- 2004-10-13 JP JP2004298474A patent/JP2005121657A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR793442A (en) * | 1934-07-17 | 1936-01-24 | Perpetual calendar | |
CH538137A (en) * | 1971-04-07 | 1972-12-29 | Kocher Aeschbacher Hans | Date watch |
CH666591GA3 (en) * | 1986-09-03 | 1988-08-15 | Watch face display mechanism - includes spring biased pointer urged across scale by snail cam and rack mechanism during specific time interval | |
US5184333A (en) * | 1991-04-17 | 1993-02-02 | Montres Breguet S.A. | Clock movement |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2565729A1 (en) * | 2011-08-30 | 2013-03-06 | Breitling AG | Calendar mechanism |
US9042206B2 (en) | 2011-08-30 | 2015-05-26 | Breitling Ag | Mechanism for driving an indicator for a timepiece |
EP3009893A1 (en) * | 2014-10-13 | 2016-04-20 | Montres Breguet SA | Differential perpetual calendar |
US9448534B2 (en) | 2014-10-13 | 2016-09-20 | Montres Breguet S.A. | Perpetual calendar with a differential mechanism |
US10345759B2 (en) | 2015-11-26 | 2019-07-09 | Rolex Sa | Horology calendar system |
US10067473B2 (en) | 2015-11-26 | 2018-09-04 | Rolex Sa | Horology calendar system |
EP3173878A1 (en) * | 2015-11-26 | 2017-05-31 | Rolex Sa | Timepiece calendar system |
US10437198B2 (en) | 2015-11-26 | 2019-10-08 | Rolex Sa | Timepiece calendar system |
EP3671366A1 (en) * | 2018-12-21 | 2020-06-24 | ETA SA Manufacture Horlogère Suisse | Device for displaying a series of periodic events that form an annual cycle and timepiece comprising such a display device |
CN111352330A (en) * | 2018-12-21 | 2020-06-30 | 伊塔瑞士钟表制造股份有限公司 | Device for displaying a series of periodic events forming a period of adulthood and timepiece comprising such a display device |
US11526131B2 (en) | 2018-12-21 | 2022-12-13 | Eta Sa Manufacture Horlogere Suisse | Device for displaying a succession of periodic events which form an annual cycle and timepiece comprising such a display device |
US11714383B2 (en) | 2018-12-21 | 2023-08-01 | Eta Sa Manufactude Horlogere Suisse | Device for displaying a succession of periodic events which form an annual cycle and timepiece comprising such a display device |
CH717492A1 (en) * | 2020-06-03 | 2021-12-15 | Parmigiani Michel | Hijri calendar. |
Also Published As
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DE60314752T2 (en) | 2008-04-10 |
TW200513814A (en) | 2005-04-16 |
US20050078558A1 (en) | 2005-04-14 |
DE60314752D1 (en) | 2007-08-16 |
JP2005121657A (en) | 2005-05-12 |
US7038974B2 (en) | 2006-05-02 |
CN1607476A (en) | 2005-04-20 |
KR20050035504A (en) | 2005-04-18 |
EP1524564B1 (en) | 2007-07-04 |
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