EP1475682A1 - Montre-chronographe à affichage instantané de fractions de seconde - Google Patents
Montre-chronographe à affichage instantané de fractions de seconde Download PDFInfo
- Publication number
- EP1475682A1 EP1475682A1 EP04010878A EP04010878A EP1475682A1 EP 1475682 A1 EP1475682 A1 EP 1475682A1 EP 04010878 A EP04010878 A EP 04010878A EP 04010878 A EP04010878 A EP 04010878A EP 1475682 A1 EP1475682 A1 EP 1475682A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chronograph
- watch according
- chronograph watch
- arm
- 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
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Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
- G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
- G04F7/08—Watches or clocks with stop devices, e.g. chronograph
- G04F7/0804—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms
- G04F7/0814—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms with double hammer, i.e. one hammer acts on two counters
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
- G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
- G04F7/08—Watches or clocks with stop devices, e.g. chronograph
- G04F7/0842—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms
- G04F7/0847—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with column wheel
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
- G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
- G04F7/08—Watches or clocks with stop devices, e.g. chronograph
- G04F7/0866—Special arrangements
- G04F7/0876—Split-time function, e.g. rattrappante
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
- G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
- G04F7/08—Watches or clocks with stop devices, e.g. chronograph
- G04F7/0866—Special arrangements
- G04F7/088—Special arrangements with display of fraction of seconds, e.g. foudroyante
Definitions
- the present invention relates to a device for displaying fractional seconds snapshot, on a separate counter in a chronograph watch mechanical, only when timing is stopped, or when momentarily stops timing when said chronograph watch is with a split-second.
- the invention therefore aims to overcome the drawbacks of the aforementioned prior art in providing a mechanical chronograph watch with a mechanism allowing to display instantly, after having temporarily stopped or definitive timing, fractions of seconds to add to the values indicated by the split-seconds or the second hand in the center and by the others counters.
- the device according to the invention is designed so that the counter displaying fractions of a second is completely disconnected from the kinematic chain, which has the advantage of reducing considerably the contribution of mechanical energy which was necessary according to art above, while providing a display having excellent accuracy and excellent readability, both for a final time and for intermediate times.
- the invention relates to a chronograph watch comprising a chronograph movement with a time base of frequency F, control means for starting, stopping and resetting the timing, a dial with analog display by means of a seconds hand in the center, and optionally a split-seconds hand, driven by the chronograph wheel which also drives, via gear trains, the hands of other counters and a hand of a counter with graduation in fractions of seconds.
- the chronograph watch is characterized in that the fractional seconds hand remains stationary for the duration of the timing and that it is rotated, when the timing is stopped, temporarily or permanently, by a pivoted feeler arm on a plate or bridge of the movement, the tilting of which is triggered by the chronograph stop means and the amplitude of the movement of which is controlled by the arrival of its spout abutting on a circular cam.
- the circular cam is driven by the chronograph wheel and has x elementary cams with angular aperture ⁇ each corresponding to a whole number of divisor seconds of 60. All the elementary cams have the same contour which determines the amplitude of the movement of the feeler arm and therefore the displacement of the hand of the second fraction counter in front of a determined graduation, the fractionation of the second being a function of the frequency F chosen.
- the counter of the fractions of second is disconnected from the kinematic chain, and the additional energy for the display of fractions of a second is provided by the rearming of a spring when the counter is reset.
- each elementary cam can be formed by an inclined plane or by a succession of corresponding stages each in a fraction of a second.
- the fractional second hand can be driven directly by the arm feeler or by a secondary arm secured thereto. It can also be driven indirectly by means of a rack integral with said arm feeler and whose toothed sector meshes with a pinion driving the needle itself fractions of a second.
- the timing control mechanism and means can be those known from the prior art, such as a wheel with columns acting on a lever secured to the feeler arm.
- a chronograph watch comprises a dial 2 indicating the current time at using an hour hand 3, a minute hand 4, and a small hand of seconds 5 off-center on a dial 15 located at 6 o'clock.
- the watch also includes a central seconds hand 6a, a counter 17 indicating the fractions of a second by means of a hand 7 and a counter 18 indicating the minutes by means of a hand 8.
- the chronograph watch has on its middle 9 a crown 12, a pusher 11 for the start and stop and a push button 13 for reset. As is known, pushers 11 and 13 could be replaced by a single triple action pushbutton.
- the driving element is constituted by the chronograph wheel 10 which supports and drives a circular cam 20 in the form of a ring, said cam 20 being formed by a sequence of x elementary cams 22, having an angular opening ⁇ corresponding to one second, or 6 °. These elementary cams 22 are intended to cooperate with a feeler arm 27.
- the circular cam 20 can be a part produced separately and then fixed concentrically on the chronograph wheel 10. It can also come in one piece with the chronograph wheel 10.
- an elementary cam 22 is formed by a succession of stages 23i each corresponding to a fraction of a second.
- stages 23i each corresponding to a fraction of a second.
- an elementary cam 22 simply comprises an inclined plane 25, and the circular cam 20 is formed by a full disc.
- the circular cam 20, respectively each elementary cam 22, is intended to receive, when the timing is stopped, the feeler arm 27 pivoted on a axis 28, and whose beak 29 abuts on a stage 23i or on the inclined plane 25 in driving in rotation the second fraction needle 7 which is integral with it for the position next to a graduation 0, 1, 2, 3 or 4 of the counter 17.
- the counter 17 comprises, before the graduation O, a graduation "N" corresponding to a position neutral in which the spout 29 of the feeler arm 27 is completely disengaged from the cam 20 by allowing the free rotation of the chronograph wheel 10.
- the feeler arm 27 is kept spaced from the cam 20 by an control 31, the end of which comprises a pulse plane 32 maintained by a spring (not shown) bearing on a column 33i of a column wheel 30 having drive teeth 34i.
- the feeler arm 27 is further provided with a secondary arm 35 comprising at its end a pin 36 intended to cooperate with a rocker 40 pivoted on an axis 41, said rocker 40 being held in the position represented by a retaining pin 42 and enabling the reset counter 17 by means of a control finger 43, like this will be explained with reference to Figures 4 to 6.
- the lever 40 also comprises two arms 44, 46 comprising at their ends two hammers 45, 47 for resetting the hearts (not shown) of the other counters.
- FIG. 4 which corresponds to FIG. 2 in the start-up position, reveals two essential differences in terms of the indirect drives of the cam and needle for fractions of a second.
- This embodiment also has the advantage of providing cams elementary with a large angular opening ⁇ (60 ° in the example shown) making it easier to arrange the floors 23i or the inclined plane 25. It also makes it possible to have stages 23i (respectively an inclined plane 25) deeper by providing greater travel to the feeler arm 27 and correlatively to the fractions 7 second needle, in case it is, as in the first embodiment, integral with the feeler arm 27.
- the graduations of counter 17 can then be further spaced, which facilitates reading. In the example shown, we see that the graduations go from 0 to 5, which corresponds to a fractionation in 1/6 of a second.
- each cam elementary 22 has 6 stages 23i and a frequency of 21,600 is chosen alternations per hour.
- This second embodiment also differs from that described first. in that the second fraction needle 7 is no longer directly driven by the feeler arm 27, but indirectly by a rack 37, integral with said arm probe 27, and of which the toothed sector 38 meshes with a pinion 39 supporting the second fractions needle 7 and driving it in rotation.
- rack 37 has the advantage of being able to further amplify the travel of the fractions needle of 7 seconds and give more freedom in the positioning of the counter 17 on the dial 2.
- Figure 6 shows the position of the mechanism when performing the reset. zero, i.e. in fact when needles 6 and 8 are brought back to zero using the hammers 23 and 25 acting on hearts (not shown) and the fractions needle second 7 in neutral position N.
- This operation is carried out by pressing the push-button 13 to pivot the rocker 40 and exercise, by means of finger 43, pressure on the pin 36 of the arm 35 to tilt the rack 37 and the maintain, without intervention of the column wheel 30, in the rest position in which the spout 29 of the feeler arm 27 again allows free rotation of the cam 19.
- the needle 7 is returned to the neutral position N by the rotational drive of the pinion 39 by the toothed sector 38 of the rack 37.
- the column wheel 30 advances by one step, which causes both the release of the pin 36, and the blocking from the end 31a of the arm 31 on a column 33i of the column wheel 30, as shown in figure 4.
- FIG. 7 represents a second embodiment which illustrates possible variants of the fraction display mechanism according to the invention.
- each elementary cam has 10 stages 23 i , which corresponds to a fractionation in tenths of a second, provided of course using a frequency of 36,000 vibrations per hour. With this same frequency, it is also possible to design an elementary cam comprising only 5 stages for timing at 1/5 second and making it possible to correct the engagement fault at the start.
- Figure 8 shows a fourth embodiment in which the device according to the invention is also applied to the mechanism of the needle split-second 6b, thus making it possible to read a timed intermediate time with the same precision of fractions of a second as a final time. Similar parties or identical are designated by the same references as those indicated in the previous embodiments.
- a cam 20, comprising elementary cams 22 is driven by a chronograph wheel 10, itself engaged with that which drives the second in the center 6a, and being able to be separated from the latter by devices known in a split-seconds chronograph watch.
- the device includes also a column wheel 30a provided with columns 33i and teeth 34i, as described previously. The rotation of this column wheel 30a is controlled by a device (not shown) actuated by the push button 16.
- the device also comprises a feeler arm 27 extended by an arm for control 31, pivoted on an axis 28, said feeler arm 27 comprising a spout 29 of which the end comes to fall into an elementary cam 22, when the actuation of the pusher 16 drops a lug 32 of the control arm 31 between two columns 33i of the column wheel 30 under the action of a spring (not shown).
- the arm of command 31 also includes, as in the second embodiment, a rack 37 whose toothed sector 38 meshes with a pinion 39 driving the split seconds hand 7b of the split-second 6b opposite a graduation of the fractional seconds counter 17.
- the device differs from those previously described essentially in that the stop of the chronograph wheel 10 driving the cam 20 is caused by the clamp split-second 50.
- the clamp 50 is formed by two bent arms 51a, 51b pivoted at their elbows respectively on pads 52a, 52b and shown in Figure 8 in the position where their ends are in support on the teeth 14 of the chronograph wheel 10 under the action of a spring (not represented).
- One of the arms 51 a is a control arm provided, at its end not acting on the toothing 14, of a screw 54 whose head acts on the corresponding end of the other arm 51b, to cause it to tilt at the same time as the arm 51a.
- the screw 54 is an eccentric screw to adjust the pressure exerted by the clamp on the teeth 14.
- This operation, open / closed, of the clamp 50 is controlled by the wheel columns 30 whose columns 33i cooperate with a spout 55 ending in a flat 56 of the control arm 51a of the clamp 50 to open it. Conversely, spaces between the columns 33i allow the spout 55 to fall between two columns and closing the clamp 50.
- the fractions second hand 7b for timing a time intermediate by means of the split-second 6b and the second fraction needle 7a for timing a final time using the second hand in the center 6a can be on the same counter 17, as shown in FIG. 1 being given that these needles are driven by mechanisms based on the same principle, but separate. It is also possible to design this display of fractions of a second on two separate counters, the counter linked to the split-second 6b being, for example, positioned near the split-seconds pusher and the counter 18 minutes then being moved to another location on the dial.
- the needle 7b makes a complete turn and then comes position in front of the indicator 30 of the counter 17a.
- This construction has the advantage of facilitating the machining of the stages 23i of the elementary cams 22 being given that the angle ⁇ is larger. It is obvious that other choices are possible provided the number of seconds corresponding to an elementary cam or an integer divisor of 60. This variant has just been described with reference to the split-second for the timing of an intermediate time but can obviously be applied to the timing of a final time.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Abstract
Description
- la figure 1 est une vue de dessus d'une montre-chronographe selon l'invention;
- la figure 2 est une représentation agrandie au niveau de la roue de chronographe d'un premier mode de réalisation d'un mécanisme selon l'invention en position de mise en marche;
- la figure 3A est une représentation agrandie d'une portion d'une première variante du mécanisme de la figure 2 au niveau de la flèche III;
- la figure 3B est une représentation agrandie d'une portion d'une deuxième variante du mécanisme de la figure 2 au niveau de la flèche III;
- la figure 4 est une représentation agrandie au niveau de la roue de chronographe d'un deuxième mode de réalisation d'un mécanisme selon l'invention en position de mise en marche;
- la figure 5 représente le même mécanisme que celui de la figure 4 en position arrêt;
- la figure 6 représente le même mécanisme que la figure 4 en position de remise à zéro;
- la figure 7 représente un troisième mode de réalisation, illustrant en outre des variantes d'un mécanisme selon l'invention;
- la figure 8 est une représentation schématique agrandie d'un quatrième mode de réalisation lorsque le dispositif selon l'invention est appliqué à une aiguille de rattrapante;
- la figure 9 est une représentation schématique d'une variante du mécanisme représenté à la figure 8, et
- la figure 10 est une représentation agrandie d'une came élémentaire au niveau de la flèche X de la figure 9.
Claims (19)
- Montre-chronographe comportant un mouvement de chronographe avec une base de temps de fréquence F, des moyens de commande (11, 13) pour la mise en marche, l'arrêt et la remise à zéro, un cadran (2) à affichage analogique au moyen d'une aiguille de secondes au centre (6) entraínée par une roue de chronographe (10) qui entraíne également par l'intermédiaire de trains d'engrenages les aiguilles (8) d'autres compteurs (18) et une aiguille (7) d'un compteur (17) comportant une graduation en fractions de seconde, caractérisée en ce que l'aiguille (7a) de fractions de seconde est entraínée en rotation par un bras palpeur (27), pivoté sur une platine ou un pont du mouvement dont le basculement est déclenché par les moyens d'arrêt (11) du chronographe et dont l'amplitude du débattement est contrôlée par l'arrivée de son bec (29) en butée sur une came circulaire (19, 20) entraínée par la roue de chronographe (10) et comportant x cames élémentaires (22) d'ouverture angulaire α correspondant chacune à un nombre entier de secondes diviseur de 60, lesdites cames élémentaires (22) ayant toutes un même contour déterminant le débattement du bras palpeur (27) et permettant de diviser une seconde en fractions de seconde.
- Montre-chronographe selon la revendication 1, caractérisée en ce qu'elle comporte en outre une aiguille de rattrapante (6b) dont la marche/arrêt est commandée par un poussoir séparé (16) pour afficher au moyen d'une deuxième aiguille (7b) du compteur de fractions de seconde, ou d'un compteur additionnel, des temps intermédiaires chronométrés avec un mécanisme similaire à celui du chronométrage final et avec la même précision.
- Montre-chronographe selon les revendications 1 ou 2, caractérisée en ce que la came (20) est entraínée directement par la roue de chronographe (10), en étant concentrique et solidaire de ladite roue (10), et comporte 60 cames élémentaires (22) d'ouverture angulaire α = 6°.
- Montre-chronographe selon les revendications 1 ou 2, caractérisée en ce que la came (19) est entraínée indirectement par l'intermédiaire d'un pignon (21) en prise avec la roue de chronographe (10) dans un rapport multiplicatif k tel que k • x = 60.
- Montre-chronographe selon la revendication 4, caractérisée en ce que la came (19) est formée d'un nombre de cames élémentaires (22) compris entre deux et six.
- Montre-chronographe selon les revendications 1 ou 2, caractérisée en ce que l'aiguille (7) de fractions de seconde est entraínée directement par le bras palpeur (27) ou par un bras secondaire solidaire dudit bras palpeur (27).
- Montre-chronographe selon les revendications 1 ou 2, caractérisée en ce que l'aiguille (7) de fractions de seconde est entraínée indirectement par le bras palpeur (27) par l'intermédiaire d'une crémaillère (37) solidaire dudit bras palpeur (27), et dont le secteur denté (38) engrène avec un pignon (39) entraínant ladite aiguille (7) de fractions de secondes.
- Montre-chronographe selon la revendication 7, caractérisée en ce que le pignon d'entraínement (39) de l'aiguille (7) de fractions de secondes est remplacé par un train multiplicatif d'engrenages (24, 26) ladite aiguille (7) étant entraínée par le pignon mené (26).
- Montre-chronographe selon les revendications 1 ou 2, caractérisée en ce que chaque came élémentaire (22) est formée par un plan incliné (25).
- Montre-chronographe selon les revendications 1 ou 2, caractérisée en ce que chaque came élémentaire (22) est formée par une succession d'étages (23i) correspondant chacun à une fraction de seconde.
- Montre-chronographe selon la revendication 10, caractérisée en ce que la fréquence F détermine le nombre maximum d'étages (23i).
- Montre-chronographe selon la revendication 11, caractérisée en ce que le nombre effectif d'étages (23i) correspondant à une fraction déterminée de seconde est le nombre maximum d'étage (23i) ou un sous-multiple de celui-ci.
- Montre-chronographe selon les revendications 1 ou 2, caractérisée en ce que les moyens de mise en marche et d'arrêt du chronométrage comportent une roue à colonnes (30) agissant sur un levier (31) solidaire du bras palpeur (27).
- Montre-chronographe selon la revendication 1, caractérisée en ce que les moyens de remise à zéro du compteur (17) de fractions de seconde sont constitués par une bascule (40) agissant sur une goupille (36) fixée sur le bras palpeur (27) ou sur un bras additionnel (35) solidaire dudit bras palpeur (27).
- Montre-chronographe selon la revendication 2 caractérisée en ce que l'arrêt et la remise en marche de l'aiguille de rattrappant (6b) est provoqué par une pince (50) commandée par la roue à colonnes (30).
- Montre-chronographe selon la revendication 15 caractérisée en ce que la pince (50) est formée par deux bras (51a, 51b) pivotés sur des plots (52a, 52b), l'un des bras (51a) étant un bras de commande comportant une vis (54) dont la tête entraíne l'autre bras (21b) et comportant un bec (55) terminé par un méplat (56) sur lequel agissent les colonnes (33i) de la roue à colonnes (30).
- Montre-chronographe selon la revendication 16, caractérisée en ce que la vis (54) est une vis à excentrique permettant de régler la pression de la pince (50) sur la denture (14).
- Montre-chronographe selon les revendication 1 ou 2, caractérisée en ce que la graduation O du compteur (17) de fraction de seconde est précédée d'une graduation neutre N correspondant à la position arrêt du chronographe dans laquelle le bec (29) du bras palpeur (27) est totalement dégagé de la came (19, 20).
- Montre-chronographe selon la revendication 18, caractérisée en ce que les graduations O et N sont pratiquement confondues.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10174727.7A EP2249215B1 (fr) | 2003-05-09 | 2004-05-07 | Montre-chronographe à affichage instantané de fractions de seconde |
EP04010878A EP1475682B1 (fr) | 2003-05-09 | 2004-05-07 | Montre-chronographe à affichage instantané de fractions de seconde |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03010469 | 2003-05-09 | ||
EP03010469A EP1475681A1 (fr) | 2003-05-09 | 2003-05-09 | Montre-chronographe à affichage instantané de fractions de seconde |
EP04010878A EP1475682B1 (fr) | 2003-05-09 | 2004-05-07 | Montre-chronographe à affichage instantané de fractions de seconde |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10174727.7A Division EP2249215B1 (fr) | 2003-05-09 | 2004-05-07 | Montre-chronographe à affichage instantané de fractions de seconde |
EP10174727.7 Division-Into | 2010-08-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1475682A1 true EP1475682A1 (fr) | 2004-11-10 |
EP1475682B1 EP1475682B1 (fr) | 2011-07-13 |
Family
ID=32992400
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10174727.7A Expired - Lifetime EP2249215B1 (fr) | 2003-05-09 | 2004-05-07 | Montre-chronographe à affichage instantané de fractions de seconde |
EP04010878A Expired - Lifetime EP1475682B1 (fr) | 2003-05-09 | 2004-05-07 | Montre-chronographe à affichage instantané de fractions de seconde |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10174727.7A Expired - Lifetime EP2249215B1 (fr) | 2003-05-09 | 2004-05-07 | Montre-chronographe à affichage instantané de fractions de seconde |
Country Status (1)
Country | Link |
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EP (2) | EP2249215B1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2508953A3 (fr) * | 2011-04-08 | 2017-10-04 | Montblanc Montre SA | Mécanisme de chronographe |
CN111427256A (zh) * | 2020-05-11 | 2020-07-17 | 文立庆 | 卫星授时秒脉冲驱动机械钟表 |
US20210325832A1 (en) * | 2018-08-28 | 2021-10-21 | Patek Philippe Sa Geneve | Display device for a timepiece and timepiece comprising such a device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4202577A1 (fr) * | 2021-12-21 | 2023-06-28 | Manufacture d'Horlogerie Audemars Piguet SA | Dispositif de bascule d'un mécanisme horloger |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH61025A (fr) * | 1912-09-24 | 1913-09-01 | Adrien Aubert | Montre chronographe-compteur |
EP0490285A1 (fr) * | 1990-12-11 | 1992-06-17 | Eta SA Fabriques d'Ebauches | Pièce d'horlogerie du type chronographe à rattrapante équipée d'un dispositif de commande de l'arrêt et de la marche d'une aiguille de rattrapante |
CH689337A5 (fr) * | 1996-09-03 | 1999-02-26 | Patek Philippe Sa | Pièce d'horlogerie à carillon. |
EP1024416A2 (fr) | 1999-01-28 | 2000-08-02 | Patek Philippe S.A. | Chronographe |
-
2004
- 2004-05-07 EP EP10174727.7A patent/EP2249215B1/fr not_active Expired - Lifetime
- 2004-05-07 EP EP04010878A patent/EP1475682B1/fr not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH61025A (fr) * | 1912-09-24 | 1913-09-01 | Adrien Aubert | Montre chronographe-compteur |
EP0490285A1 (fr) * | 1990-12-11 | 1992-06-17 | Eta SA Fabriques d'Ebauches | Pièce d'horlogerie du type chronographe à rattrapante équipée d'un dispositif de commande de l'arrêt et de la marche d'une aiguille de rattrapante |
CH689337A5 (fr) * | 1996-09-03 | 1999-02-26 | Patek Philippe Sa | Pièce d'horlogerie à carillon. |
EP1024416A2 (fr) | 1999-01-28 | 2000-08-02 | Patek Philippe S.A. | Chronographe |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2508953A3 (fr) * | 2011-04-08 | 2017-10-04 | Montblanc Montre SA | Mécanisme de chronographe |
US20210325832A1 (en) * | 2018-08-28 | 2021-10-21 | Patek Philippe Sa Geneve | Display device for a timepiece and timepiece comprising such a device |
US11841688B2 (en) * | 2018-08-28 | 2023-12-12 | Patek Philippe Sa Geneve | Display device for a timepiece and timepiece comprising such a device |
CN111427256A (zh) * | 2020-05-11 | 2020-07-17 | 文立庆 | 卫星授时秒脉冲驱动机械钟表 |
Also Published As
Publication number | Publication date |
---|---|
EP2249215A2 (fr) | 2010-11-10 |
EP2249215A3 (fr) | 2016-09-07 |
EP1475682B1 (fr) | 2011-07-13 |
EP2249215B1 (fr) | 2017-07-19 |
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