EP2008159B1 - Uhr mit einem zwei-zeitzonen-mechanismus - Google Patents

Uhr mit einem zwei-zeitzonen-mechanismus Download PDF

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Publication number
EP2008159B1
EP2008159B1 EP07727745A EP07727745A EP2008159B1 EP 2008159 B1 EP2008159 B1 EP 2008159B1 EP 07727745 A EP07727745 A EP 07727745A EP 07727745 A EP07727745 A EP 07727745A EP 2008159 B1 EP2008159 B1 EP 2008159B1
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EP
European Patent Office
Prior art keywords
time
heart
wheel
piece
display means
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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.)
Active
Application number
EP07727745A
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English (en)
French (fr)
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EP2008159A2 (de
Inventor
Marco Rochat
Simon Guenin
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.)
Frederic Piguet SA
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Frederic Piguet SA
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Publication date
Application filed by Frederic Piguet SA filed Critical Frederic Piguet SA
Priority to EP07727745A priority Critical patent/EP2008159B1/de
Publication of EP2008159A2 publication Critical patent/EP2008159A2/de
Application granted granted Critical
Publication of EP2008159B1 publication Critical patent/EP2008159B1/de
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G04B13/007—Gearwork with differential work
    • 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
    • G04B11/00—Click devices; Stop clicks; Clutches
    • G04B11/001—Clutch mechanism between two rotating members with transfer of movement in both directions, possibly with limitation on the transfer of power
    • G04B11/003—Clutch mechanism between two rotating members with transfer of movement in both directions, possibly with limitation on the transfer of power with friction member, e.g. with spring action
    • 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
    • G04B19/22—Arrangements for indicating different local apparent times; Universal time pieces
    • G04B19/221—Arrangements for indicating different local apparent times; Universal time pieces mechanisms for correcting the hours hand only, i.e. independently for minutes and seconds hands

Definitions

  • the present invention relates to a timepiece comprising a mechanism with two time zones.
  • the time of one of the timezones is provided by means of a smaller size device which is difficult to read.
  • a first object of the present invention is to overcome this disadvantage as well as others by proposing to simplify the display in a timepiece dual time zone and selectively indicate the time of one either of the two time zones by the same display.
  • Timepieces have already been proposed in which the same display could selectively indicate two different pieces of information.
  • the patent document CH 693'155 discloses a display mechanism for a watch arranged to be switched so as to display with the same needle at least a first and a second information different from the first. From the brief indications given by this document, it is understood that a core integral with the planet wheel of a planet gear is provided for analogically storing the difference between the value of the first and the value of the second piece of information, while the first information (eg time) is displayed.
  • a first input of the planetary gear is kinematically connected to the needle, while the second input is driven to represent the value of the second information.
  • the angular position of the planet wheel, or differential output wheel in principle reflects the difference between the value taken by the second information and that indicated by the needle.
  • the display mechanism is switched to the second information, the kinematic link between the first information and the needle is disengaged.
  • a hammer is lowered against the heart, to rotate the heart and bring him and the planet wheel, in angular position "zero".
  • the needle is kinematically connected to the planet gear, it is driven by it and moves to indicate the value taken by the second piece of information. Then, as long as the display mechanism indicates the second piece of information, the planet wheel is immobilized by the hammer.
  • the movements of the second differential input wheel are therefore transmitted to the needle whose position evolves according to the value taken by the second piece of information.
  • the kinematic link disengageable between the first information and the needle is constituted by a second core cooperating with a second hammer.
  • the present invention therefore also aims to provide a timepiece including a mechanism capable of selectively indicating the time of one or the other of the two time zones by the same display, and which makes greater use of the specificities of jet lag.
  • the present invention relates to a timepiece such as a wristwatch which is in accordance with claim 1.
  • the present invention provides a timepiece capable of indicating two time zones by means of a single hour hand, this hand indicating the choice of the time of a first or second time zone and passing successively from the indication of one of these hours to the other by the action of the wearer.
  • L local time, or time zone
  • H reference time
  • the figure 1 illustrates the display of local time "L” by the display means of the timepiece of this example.
  • the figure 2 illustrates the display of a reference time "H" by the same display means.
  • These display means comprise a main dial (referenced C ) above which rotates conventionally an hour hand H and a minute hand.
  • a date hand D rotates over a second smaller dial which is subdivided into 31 divisions to indicate the date.
  • a third dial associated with a hand j / n making a turn in 24 hours is still planned to give an indication of the day or the night.
  • a needle s two positions (L and H) is used to indicate which of the local time or the reference time corresponds to the time displayed.
  • needle s selection shows the letter "L" indicating that the time displayed is the local time. So it's 7:08 in Los Angeles.
  • the day / night hand d / n points to the beginning of the night. We can conclude that it is in fact 19h08.
  • An additional needle D also linked to the hour hand H indicates the date of 31.
  • the selection of needle s rotates and moves to the "H" Dial C.
  • the hour hand H swivels and moves 9 hours, which corresponds to the difference between the two time zones of Los Angeles and Geneva. Since the time zone corresponding to Geneva is ahead of the time zone corresponding to Los Angeles, the hour hand H pivots in a clockwise direction and is placed on the fourth index 14 of the dial C ( figure 2 ). During its rotation, the hour H drives hand day / night j / n 9 o'clock on the dial in 24 hours.
  • the day / night hand j / n will therefore be positioned on the indication of the end of the night of the dial C1 . It is therefore easy to deduce that it is 4 am in Geneva.
  • the date hand D also driven by the hour hand H will advance to the date corresponding to "1" since the hour hand H will have passed midnight. To return to the local time, it is sufficient to exert a new pressure on the pusher P.
  • the shift of a time zone relative to another time zone is at most ⁇ 23 hours (except for half-time zones). Note however that in the case of a watch that does not indicate the date, the maximum offset can be limited for example + 12h in one direction and - 11h in the other.
  • the figure 3 and 4 represent a particular embodiment of the mechanism that allows the selection between two time zones in a timepiece according to the present invention.
  • This mechanism comprises a core 18 which is designed to cooperate with one or the other of two levers 20 and 25.
  • the core 18 is carried by an axis 17 ( figure 3 ) which still carries a wheel 16 visible on the figure 10 and hereinafter called the selector output wheel.
  • the selector output wheel 16 is provided to drive the hour hand through a differential gear which will be described later in connection with the figures 10 and 11 .
  • the different gear ratios are chosen so that a half turn of the core 18, and therefore of the output wheel 16, corresponds to two turns (24 hours) performed by the hour hand. .
  • the figure 5 allows to understand in more detail the operation of one of the two levers provided to cooperate with the heart 18.
  • the lever 20 is intended to pivot about an axis 23 whose one end is engaged in an opening in the board of a fixed wheel 19 ( figure 3 ).
  • the view from above shows that the lever 20 comprises a hammer-shaped arm (referenced 20 ") and a spout (referenced 20 ')
  • the spout 20' is provided to cooperate with the internal toothing 22 'of a crown 22.
  • the figure 5 also shows that a spring 21 is provided to return the lever 20 against the internal toothing 22 'of the ring gear 22.
  • This ring is rotatably mounted on the cylindrical shoulder (not shown) of an annular flange 28 (visible on the figure 3 ) which in particular fulfills the function of centering ring.
  • the ring 22 can thus turn around, and coaxially with, the core 18 and the axis 17. According to its angular position, the ring 22 presents alternately a tooth 22 'or a vacuum at the spout 20' of the lever 20. When the spout 20 'is facing one of the inner teeth, it pushes the lever, and is therefore lowered the hammer 20. "The latter is thus pressed against the heart 18.
  • the lever 25 is mounted to pivot about an axis whose one end is engaged in an opening of the plate of a wheel 24 ( figure 3 ).
  • the spout 25 'of the lever 25 encounters a tooth 27' of the selection ring 27, the hammer 25 "is forced against the heart 18, which has the effect of rotating the heart to cause it to occupy a predetermined rest position relative to the hammer 25 ".
  • the spring 26 can recall the lever 25 so as to lift the hammer 25 "and to release the heart 18.
  • the pivot 23 of the lever 20 is fixed, while the pivot of the lever 25 is integral with the plate of a moving wheel 24 (shown in FIG. figure 3 ) which is rotatably mounted on the axis 17.
  • a moving wheel 24 shown in FIG. figure 3
  • the angular offset between the lever 20 and the lever 25 can be varied.
  • the core 18 can be brought into one or the other of two angular positions, depending on whether it is the lever 20 or the lever 25 'which is active.
  • the core 18 is provided to drive the rotating hour hand. So, as visible at the figure 4 by constraining either the lever 20 or the lever 25 against the heart, the display is controlled to indicate either the time of a first time zone or that of another time zone.
  • reference time the time indicated by the needles when the lever 20 is active
  • local time the time indicated by the needles when the lever 25 is active.
  • the Figures 5 to 9 illustrate the control of the selection mechanism just described.
  • the column wheel comprises a star 30 provided to cooperate with the pusher 29.
  • the star 30 By actuating the push button 29, the star 30, which is held by the jumper 31, is advanced by one step.
  • the star 30 has twelve teeth, the column wheel rotates 30 ° (one twelfth of a turn) each time. that the pusher 29 is actuated.
  • the column wheel also carries a gear wheel 32 which is provided to drive the gear ring 22 via a gear wheel 33.
  • the selection crown 22 advances in steps of 1/24 th of a turn.
  • the internal toothing of the ring 22 has twelve teeth 22 'separated by as many voids.
  • the ring 22 successively has a tooth, then a vacuum at the nose 20 'of the lever 20.
  • the lever 20 therefore pushes the heart 18 in every other step.
  • the figure 5 still shows a spring 34, which is provided to return the pusher 29 to its initial position when the user releases it.
  • the figure 5 still shows a feeler 36 which is biased by a spring 37 against the columns 35 of the column wheel.
  • the probe 36 is mounted to pivot about an axis which is intended to carry the selection needle s ( Figures 1 and 2 ). The latter therefore indicates the display mode of the watch, based on the angular position of the column wheel.
  • the function of the pusher 29 is not limited to advancing the selection ring 22. Indeed, as already said, when the lever 20 is actuated, the lever 25 must be released, and vice versa. Thus, when the selection crown 22 advances one step, the selection crown 27 must also advance one step.
  • the figures 6 and 7 describe the driving mechanism of the selection ring 27.
  • the driving of the selection ring 27 by the pusher 29 is through a control differential dif2, so as to preserve the possibility of moving the ring 27 independently pusher 29 to change the time difference.
  • the control differential comprises the wheels 46 and 42, the transmission 47, the pinion 43 and the satellite mobile 44.
  • the pinion 43 ( figure 7 ), which is driven on the column wheel, is the first input of the differential.
  • the wheel formed by the wheel 42 driven on the return 47 is a second differential input, coaxial with the first, which is left free in rotation.
  • the satellite mobile 44 comprises a wheel and a pinion which mesh respectively with the pinion 43 and the reference 47.
  • the satellite mobile 44 is rotatably mounted around a pin 45 driven into the wheel 46 of the board.
  • the wheel 46 constitutes the differential output.
  • the control mechanism associated with the pusher 29 includes an isolator flip-flop 40 provided to block the second differential input 42 when the pusher 29 is actuated.
  • the isolator rocker 40 is controlled by a cam 39 integral with a control finger 38.
  • the control finger 38 is itself actuated by the pusher 29 via a pin 29 'driven on the pushbutton 29.
  • the cam 39 pivots and releases the isolator rocker 40 which, constrained by a spring 41, falls and blocks the differential input wheel 42.
  • the pusher 29 advances one step the star 30 (visible on the figure 5 ), and thus also the differential input gear 43, thereby rotating the satellite mobile 44.
  • the second differential input is blocked by the isolator rocker 40, the reference 47 is also blocked.
  • the differential output wheel 46 which is rotated by the satellite mobile 44.
  • the wheel 46 meshes with the selection ring 27, the latter is driven step by step by the action 29.
  • both selection rings 22 and 27 can rotate synchronously in steps of 1/24 of a turn under the action of the plunger 29.
  • the cam 39 separates the isolator rocker 40 from the teeth of the wheel 42, releasing the latter.
  • the gear train connecting the selection ring 27 to the wheel 42 is free to rotate. It is therefore possible to rotate the selection ring 27 without rotating the column wheel.
  • the figures 8 and 9 describe the mechanism provided for modifying the angular position of the lever 25 relative to the lever 20. This mechanism makes it possible to adjust the time difference between the reference time and the local time.
  • the mechanism for adjusting the time difference comprises a lower flange 50 secured to the board (not shown) and which carries a star fixed to twelve teeth 49, and a shaft 48.
  • a movable annular spring 53 is provided to cooperate with the star 49.
  • a wheel 51 and an upper flange 52 ( figure 9 ) is rotatably mounted on the shaft 48. The wheel 51 meshes with the wheel 24, and it is integral with the upper flange 52 and the annular spring 53.
  • the wheel 51 By bringing the winding stem (not shown) in the second drawn position T2 the wheel 51, and therefore the upper flange 52 and the annular spring 53 can be rotated.
  • the annular spring 53 being positioned by the star 49, the wheel 51 moves under the action of the winding stem. in steps of 1/12 th of a turn. Since the gear ratio between the wheel 51 and the wheel 24 is 1/4, the wheel 24 moves in steps of 1/48 th of a revolution.
  • the wheel 24 drives the lever 25, the return spring 26 and the selection ring 27.
  • the lever 25 is constrained against the heart 18, the wheel 24 also drives the heart itself into its seat. rotation.
  • the core 18, when rotating causes the rotation of the hour wheel 8 via the selector output wheel 16.
  • the figures 10 and 11 describe the training of the display of the hour hand H.
  • the hour hand can be driven at the same time by the selector output wheel 16 and the movement of the watch. This is the reason why, in the present example, the driving of the hour hand is done through a differential gear (referenced dif1 on the figure 11 ).
  • This differential gear comprises a first differential input mobile formed of a wheel 3 integral with a pinion 4 via the axis of the differential 3 ', and a second differential input wheel formed by a wheel 15 'and its pinion 6 which are rotatably mounted on the axis 3'.
  • the gear also includes a differential output wheel 7 which is rotatably mounted on the axis 3 ', and a satellite mobile 5 rotatably mounted around a pin g driven into the wheel board 7.
  • the mobile satellite is composed of a wheel 5 'which meshes with the pinion 6 and a pinion 5' meshing with the pinion 4.
  • an extra hour wheel 2 is driven on the hour wheel 1 of the movement.
  • This wheel 2 meshes with the first input wheel 3 of the differential gear.
  • the selector output wheel 16 meshes with the second input wheel 15 '.
  • the input wheel 3 is integral with the differential gear 4
  • the movement of the watch causes the moving satellite 5 to rotate through the pinion 4.
  • the pinion 6 is integral with the wheel 15 ', it is usually blocked by the selector output wheel 16.
  • the differential output wheel 7 which is rotated by the satellite mobile 5.
  • the differential output wheel meshes with the wheel itself. with barrel 8, thus driving the hour hand H.
  • the different gear ratios are chosen so that two turns of the 8-wheel wheel correspond to one revolution of the differential output wheel 7. The wheel 7 thus performs one revolution per twenty-four hours.
  • the embodiment which is the subject of this example also comprises a needle D provided for displaying the date, the needle D is integral in rotation with a date star 12 having 31 teeth.
  • the date star 12 is held in the position corresponding to a given date by a date jumper 13, itself constrained by a spring jumper spring 14.
  • the differential output wheel 7 accomplishes a revolution in twenty-four hours. She wears a date drive finger 11 which is provided for every day at midnight, to push a tooth of the date star 12. figure 11 shows again that the toothing of the star 12, like the drive finger 11, is symmetrical. This feature allows the date to be not only incremented, but possibly also decremented when the date associated with the local time and the date associated with the reference time are different, as was the case in the example described above. high with Geneva and Los Angeles.
  • Fig. 10 still shows a day / night display wheel 10. This wheel is driven by the barrel wheel 8 via a return 9.
  • the day / night display wheel 10 accomplishes a turn in 24 hours. and its axis carries the day / night needle j / n .
  • the control of the wheel 24 should also be adapted so that the wheel 24 moves in steps of 1/24 th of a turn rather than in steps of 1/48 th of a turn.
  • This effect can be obtained for example by reducing the gear ratio between the wheel 51 and the wheel 24 to 1 ⁇ 2.
  • the time difference is within an asymmetrical interval extending from - 11 h. at + 12h. or from 12 to 11 h
  • the top of the heart of the figure 12 is positioned at 11.30 instead of 12, allowing for maximum offsets of -11h. and + 12h.

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

Claims (11)

  1. Uhr, wie z. B. eine Armbanduhr mit Zeitanzeigemitteln (H, j/n) und einem Mechanismus, der es erlaubt die Zeitanzeigemittel zum Anzeigen der Zeit einer ersten oder einer anderen Zeitzone umzuschalten, wobei der Mechanismus ein drehbewegliches Herzstück (18) aufweist, welches über eine kinematische Kette mit den Zeitanzeigemitteln verbunden ist, dadurch gekennzeichnet, dass das Herzstück dazu ausgebildet ist, mit einem ersten Hebel zusammenzuwirken, um eine der beiden Zeitzonen über die Zeitanzeigemittel anzuzeigen und mit einem zweiten Hebel (25) zusammenzuwirken, um die andere Zeitzone über die Zeitanzeigemittel anzuzeigen, wobei das Umschalten zwischen dem ersten und dem zweiten Hebel manuell erfolgt und wobei die Zeitverschiebung zwischen den beiden Zeitzonen durch die Position eines Hebels im Vergleich zum anderen bestimmt wird.
  2. Uhr nach Anspruch 1, dadurch gekennzeichnet, dass die Zeitanzeigemittel (H, j/n) eine Tageszeitanzeige über zwölf Stunden (H) aufweisen.
  3. Uhr nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Zeitanzeigemittel (H, j/n) eine Tageszeitanzeige über vierundzwanzig Stunden (j/n) aufweisen.
  4. Uhr nach Anspruch 3, dadurch gekennzeichnet, dass das Räderwerk der kinematischen Kette, welches das Herzstück (18) mit den Zeitanzeigemitteln (H, j/n) verbindet, derart ausgewählt ist, dass eine vollständige Drehung des Herzstücks vierundzwanzig Stunden entspricht.
  5. Uhr nach Anspruch 4, dadurch gekennzeichnet, dass das Herzstück (18) asymmetrisch ist, wobei der Scheitel des Herzstücks bei + 11 h30 oder bei - 11 h30 positioniert ist.
  6. Uhr nach einem der Ansprüche 1, 2 oder 3, dadurch gekennzeichnet, dass sie Anzeigemittel für den Tag des Monats (D) aufweist.
  7. Uhr nach Anspruch 6, dadurch gekennzeichnet, dass das Räderwerk der kinematischen Kette, welches das Herzstück (18) mit den Zeitanzeigemitteln (H, j/n) verbindet, derart ausgewählt sind, dass eine vollständige Drehung des Herzstücks achtundvierzig Stunden entspricht.
  8. Uhr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie sich aus Steuerungsmitteln zusammensetzt, die zum Einstellen der Zeitverschiebung zwischen den Zeitzonen durch Veränderung der Position zumindest eines der Hebel (25) um das Herzstück (18) herum, vorgesehen sind.
  9. Uhr nach Anspruch 8, dadurch gekennzeichnet, dass die Steuerungsmittel, die zur Einstellung der Zeitverschiebung vorgesehen sind, einen Schaft aufweisen, der ferner zum Zusammensetzen und zum Stellen der Uhrzeit der Uhr vorgesehen ist.
  10. Uhr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die kinematische Kette, welche das Herzstück (18) mit den Zeitanzeigemitteln (H, j/n) verbindet, ein Differenzialgetriebe (5', 5", 6, 7, 15) aufweist.
  11. Uhr nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Umschaltung zwischen dem ersten und dem zweiten Hebel (20, 25) mit Hilfe eines Drucktasters (P; 29) erfolgt.
EP07727745A 2006-04-07 2007-04-03 Uhr mit einem zwei-zeitzonen-mechanismus Active EP2008159B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07727745A EP2008159B1 (de) 2006-04-07 2007-04-03 Uhr mit einem zwei-zeitzonen-mechanismus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06007396 2006-04-07
PCT/EP2007/053274 WO2007115984A2 (fr) 2006-04-07 2007-04-03 Piece d'horlogerie comprenant un mecanisme a deux fuseaux horaires
EP07727745A EP2008159B1 (de) 2006-04-07 2007-04-03 Uhr mit einem zwei-zeitzonen-mechanismus

Publications (2)

Publication Number Publication Date
EP2008159A2 EP2008159A2 (de) 2008-12-31
EP2008159B1 true EP2008159B1 (de) 2010-06-09

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Application Number Title Priority Date Filing Date
EP07727745A Active EP2008159B1 (de) 2006-04-07 2007-04-03 Uhr mit einem zwei-zeitzonen-mechanismus

Country Status (4)

Country Link
EP (1) EP2008159B1 (de)
AT (1) ATE470891T1 (de)
DE (1) DE602007007070D1 (de)
WO (1) WO2007115984A2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013030268A1 (fr) * 2011-09-01 2013-03-07 Rolex S.A. Piece d'horlogerie capable d'afficher deux fuseaux horaires
EP3599520A1 (de) 2018-07-26 2020-01-29 ETA SA Manufacture Horlogère Suisse Verfahren zum wechseln des stundenanzeigemodus einer elektronischen armbanduhr zur analoganzeige, und entsprechende armbanduhr

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2128719A1 (de) * 2008-05-29 2009-12-02 Frédéric Crettex Anzeigevorrichtung
ATE492837T1 (de) * 2008-06-17 2011-01-15 Montres Breguet Sa Anzeigevorrichtung zum anzeigen der einen oder anderen von zwei verschiedenen angaben mit demselben anzeigeelement einer uhr
EP2362277B1 (de) 2010-02-25 2012-10-31 Montres Breguet SA Zeitzone auf Wunsch auf den Hauptzeigern einer Uhr
EP2362276B1 (de) * 2010-02-25 2012-10-31 Montres Breguet SA Programmierbares und umprogrammierbares mechanisches Speicherrad für Uhr
CH703261B1 (fr) * 2010-06-08 2014-11-28 Bulgari Horlogerie S A Pièce d'horlogerie munie d'une aiguille d'indication horaire mobile entre deux positions.
EP2444861B1 (de) * 2010-10-22 2013-05-01 Audemars Piguet (Renaud et Papi) SA Funktionswählschalter
EP3462251B1 (de) 2017-09-29 2020-06-10 Montres Breguet S.A. Stellmechanismus für uhrwerk
CH719538A1 (fr) 2022-03-25 2023-10-13 Parmigiani Michel Mouvement d'horlogerie comportant un dispositif d'affichage d'au moins deux fuseaux horaires.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3503203A (en) * 1967-11-14 1970-03-31 Bulova Watch Co Inc Two-zone timepiece
CH693155A5 (de) * 1998-11-04 2003-03-14 Andreas Strehler Anzeigemechanik einer Uhr.

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013030268A1 (fr) * 2011-09-01 2013-03-07 Rolex S.A. Piece d'horlogerie capable d'afficher deux fuseaux horaires
US9405274B2 (en) 2011-09-01 2016-08-02 Rolex Sa Time piece capable of displaying two time zones
EP3599520A1 (de) 2018-07-26 2020-01-29 ETA SA Manufacture Horlogère Suisse Verfahren zum wechseln des stundenanzeigemodus einer elektronischen armbanduhr zur analoganzeige, und entsprechende armbanduhr
CN110780574A (zh) * 2018-07-26 2020-02-11 Eta瑞士钟表制造股份有限公司 用于重排具有模拟显示的电子表的时间显示模式的方法以及相关的表
CN110780574B (zh) * 2018-07-26 2021-04-27 Eta瑞士钟表制造股份有限公司 用于重排具有模拟显示的电子表的时间显示模式的方法以及相关的表
US11906938B2 (en) 2018-07-26 2024-02-20 Eta Sa Manufacture Horlogere Suisse Method for permutation of the time display mode of an electronic watch with an analogue display, and the associated watch

Also Published As

Publication number Publication date
ATE470891T1 (de) 2010-06-15
WO2007115984A2 (fr) 2007-10-18
EP2008159A2 (de) 2008-12-31
DE602007007070D1 (de) 2010-07-22
WO2007115984A3 (fr) 2007-11-29

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