EP0617346B1 - Chronographuhr mit Datumanzeige - Google Patents

Chronographuhr mit Datumanzeige Download PDF

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Publication number
EP0617346B1
EP0617346B1 EP94104316A EP94104316A EP0617346B1 EP 0617346 B1 EP0617346 B1 EP 0617346B1 EP 94104316 A EP94104316 A EP 94104316A EP 94104316 A EP94104316 A EP 94104316A EP 0617346 B1 EP0617346 B1 EP 0617346B1
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EP
European Patent Office
Prior art keywords
chronograph
hand
small
fact
hands
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.)
Expired - Lifetime
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EP94104316A
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English (en)
French (fr)
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EP0617346A1 (de
Inventor
Beat Gilomen
Clément Meyrat
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ETA SA Manufacture Horlogere Suisse
Ebauchesfabrik ETA AG
Original Assignee
Ebauchesfabrik ETA AG
Eta SA Fabriques dEbauches
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Publication of EP0617346A1 publication Critical patent/EP0617346A1/de
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Publication of EP0617346B1 publication Critical patent/EP0617346B1/de
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Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • G04C3/146—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor incorporating two or more stepping motors or rotors
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F8/00—Apparatus for measuring unknown time intervals by electromechanical means
    • G04F8/006—Apparatus for measuring unknown time intervals by electromechanical means running only during the time interval to be measured, e.g. stop-watch
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/001—Electromechanical switches for setting or display
    • G04C3/005—Multiple switches
    • 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

Definitions

  • the present invention relates to a chronograph watch comprising timepiece indicator means used to display the time of day and analog chronograph indicator means comprising chronograph hands which are normally used to display a timed interval of time. response to a manual control device with which the chronograph can be started, stopped and then reset to zero.
  • a chronograph watch meeting the generic definition which has just been given is described for example in document EP-A-0 048 217.
  • the timepiece part of this chronograph watch includes hour, minute and seconds and the date display appearing in a window. This timepiece part is driven by one of the two stepping motors with which the caliber is fitted.
  • the chronograph part includes a large seconds hand in the center, a minute counter and an hour counter, this chronograph part being driven by the other of the two stepping motors.
  • This watch differs from the previous one in particular by the fact that it no longer includes a small seconds hand, that the date display is no longer made by a date disc visible through a window on the dial but by a small hand and a scale from 1 to 31 of this dial and that the chronograph hands are no longer driven by a single motor but by two, one for the seconds hand in the center and the other for the minutes hands and of hours.
  • the document EP-A-0 027 250 describes a watch with only two hands and a single motor, in which the hands which normally display the minutes and the hours can be transformed temporarily and on command into second and minute hands to endow the watch with a chronograph function.
  • the second hand can be brought into a determined position or subjected to an unusual movement to indicate for example that the battery of the watch will soon be exhausted and that it must be changed or that a time zone change, i.e. a modification of the time display is being carried out or that a fine time adjustment, in other words a correction of the display seconds, has just been made.
  • the document EP-A-0 493 613 describes a multifunction watch with three motors, in which the usual hour, minute and second hands can be used to selectively and temporarily display a timed time, a time countdown (timer), date, two different memorized alarm times and the time in a time zone other than that in which the carrier is located.
  • an electronic chronograph watch comprising, in addition to the chronograph hands to count the seconds, minutes and timed hours, an additional crystal display device liquid, normally numerically displaying the date and the hundredth of a second when the chronograph is activated.
  • This arrangement is costly because it requires the installation of a liquid crystal display device and like those of the documents EP-A-0 048 217 and EP-A-0 502 292 mentioned above it does not make it possible to optimize the classic display functions of a chronograph watch.
  • the object of the present invention is to provide a chronograph watch which does not have these drawbacks, in other words a chronograph watch which makes it possible to display both information relating to a timed time and at least one other information than this timed time. , preferably the date, by the most rational and optimal use possible of the display means available in a classic chronograph watch.
  • the chronograph watch according to the invention comprises instant conversion means for converting at least one of the hands of the chronograph indicator means systematically and automatically as an indicator of a function other than the chronograph function when the chronograph is not in use.
  • the chronograph watch of FIG. 1 presents a first embodiment of the invention. It includes the first timepiece indicators to display the time of day, in this case an H hour hand, a minute hand M and a small second hand S1. These needles are linked together by a mechanical timer, the small second hand generally being driven directly by the axis of the rotor of a first stepping motor.
  • the chronograph watch also includes second chronograph indicators to display a time interval, in this case a large hand S2 to count the seconds, a first small hand m to count the minutes and a second small hand h to count the hours. .
  • a second stepper motor drives the large needle S2
  • a third stepper motor drives the first small needle m
  • a fourth stepper motor drives the second small needle h.
  • a manual control device comprising two push-buttons P1 and P2 makes it possible to start, stop and then reset the chronograph indicators S2, m and h to zero.
  • the chronograph watch comprises means for instantaneous conversion of at least one of said second indicator S2, m and h into date indicator Q when the chronograph is not used.
  • it is the first small hand m counting the minutes of the chronograph which is converted into a date indicator Q, hence m ⁇ Q when the chronograph is not used.
  • Figure 1 shows that the first small hand m counting the minutes turns on a dial with 30 divisions. She goes around in thirty minutes. Likewise, the second small hand h counting the hours turns on a dial comprising 24 divisions. She goes around in 12 hours. When the hand ma turns, the hand h advances by one division and indicates an additional half hour.
  • the watch When the first small hand m is converted into a date indicator Q, it progresses by one division per day and when the second small hand h is converted into the month indicator Mo, it progresses by two divisions per month. In the case where the month has 31 days, the watch is programmed (see below) so that the Q indicator remains two days on division 30. In the case of a month of February with 28 days, the watch is programmed for the indicator Q jumps division 28 to division 1 at the end of the 28th day. If the watch is also programmed for leap years, the Q indicator jumps from division 29 to division 1 at the end of the 29 th day of February.
  • the chronograph is started by pressing button P1. From this instant the date indicator Q is set to zero (division 30 of FIG. 1) and begins to count the minutes m. We then find the conversion m ⁇ Q indicated in the figure. Similarly, when the push-button P1 is actuated, the month indicator Mo is set to zero (division 12 in FIG. 1) and begins to count the hours h. We then find the conversion h ⁇ Mo indicated in the figure.
  • the chronograph is stopped by a new actuation of the push-button P1, the first m and second h small hands continue to indicate the timed time in minutes and hours respectively.
  • the chronograph is brought back to zero by pressing button P2. From this moment, the chronograph is no longer used, the first small hand m ⁇ Q is then positioned instantly on the date and the second small hand h ⁇ Mo is then positioned instantly on the month.
  • the large needle S2 is brought to 60 and remains frozen there.
  • the first and second small hands display 10 minutes and 9 hours (timed time) or September 10 (timepiece) depending on whether said hands display a time interval or the date and the month respectively .
  • the first embodiment of the invention which has just been partially described has the merit of presenting the same dial graphics whatever the functions which are assigned to the first and second small hands. However, it has the drawback of allowing indeterminacy to remain as to whether one is on the 30th or the 31st of a month comprising 31 days.
  • FIG. 1 also shows that the chronograph watch comprises a crown stem T which can be brought into three different axial positions: a depressed or rest position T1, a first pulled position T2 and a second pulled position T3.
  • the timepiece hands H and M can be set to manual time by rotation of the said crown.
  • the small second S1 is blocked, which enables the time signal to be placed at the second.
  • FIG. 2 is a flowchart explaining the functions of the stem-crown T and of the pushers P1 and P2 equipping the chronograph watch.
  • a diamond indicates a choice made by the wearer of the watch, for example placing the crown in position T1 or T2 or T3 (diamond 10), for example again pressing the push-button P1 or the push-button P2 (diamond 11).
  • a rectangle indicates in which mode the watch is after making a choice, for example starting the chronograph (rectangle 12) after pressing the push-button P1 (choice 15).
  • the chronograph is not in use or that it has been reset (reset 13). If the crown is in the depressed position T1, the first and second small hands indicate the date Q and the month Mo respectively (mode 14). If the push-button P1 is pressed (choice 15), the chronograph is started (mode 12) and the first and second small hands indicate the minutes m and the hours h of the chronograph respectively. From mode 12, if you press the push-button P1 (choice 16) the chronograph is stopped (mode 17) and the first and second small hands continue to indicate the minutes m and the hours h of the chronograph respectively.
  • mode 22 start now from mode 12 (chronograph running), if you press button P2 (choice 16) you obtain an intermediate time (mode 22), the first and second small hands being stopped and indicating the minutes m and the h hours of this split time. From this mode 22, if the pusher P2 is pressed again (choice 23), the first and second small hands m and h (like the large hand S2, moreover) progress first at high speed to catch up with the current time from the moment when these hands were stopped at intermediate time, then at normal timing speed (mode 24). If you wish to obtain a new intermediate time, you will press the pusher P2 again (choice 25). From mode 24, if you press button P1, the chronograph is stopped (mode 26).
  • the chronograph is reset to zero (mode 21), which results in the instantaneous indication of the date Q and the month Mo (mode 14) by the first and second small needles respectively. If we now return to choice 23 and press on push-button P1, then on push-button P2 (choice 28) we catch up with time by blocking it at the value caught (mode 29) from which a pressure on button P2 (choice 30) resets the chronograph to zero (mode 21) and instantly has the first and second small hands on the indication of the date Q and the month Mo respectively (mode 14).
  • the chronograph watch is provided with means for initializing the second chronograph indicators S2, m and h, that is to say bringing these indicators back to zero, for example after a battery change or a shock applied to the watch.
  • By pressing push-button P2 (choice 11) you rotate the first small hand m (mode 32) until it is positioned on division 30 of the minute counter dial.
  • the second small hand h is turned until it is positioned on division 12 of the hour counter dial (mode 33).
  • the watch is programmed in such a way that at the end of each particular month, December, January, February, March, etc., the first small hand Q indicates respectively 31 (twice out of 30), again 31, then 28, then again 31, etc. Once the date and month have been found, the pressure on the pusher P2 is released and the first and second small hands will indicate the exact date and month. If the watch is also programmed to indicate the months of February at 29 days, we will observe what happens at the end of February. For example if the year in which we proceed to the date setting is a leap year and we are in March for example, we will advance the month indicator Mo as many times as necessary until 'that the date indicator Q indicates the number 29, the indicator Mo indicating the month of February. We will proceed in a similar way if we are in a pre-leap year.
  • FIG 3 is a top view of the mounted electrical module 40 as it appears under the dial of the chronograph watch of Figure 1. It can be seen that the module carries, in addition to printed circuit tracks not shown, in particular motors drive shown here by their coil part and electrical switches.
  • the motor 41 drives the small second hand S1 as well as the hour and minute hands which are kinematically linked to it.
  • the large needle S2 is driven by the motor 42 and the first and second small needles are driven respectively by the third 43 and fourth 44 motors.
  • the first pusher P1 is symbolized by the arrow 45 and acts on a spring leaf 47 set to a potential Vdd. When the blade is pressed, a tongue 48 of this blade comes to put at the same potential Vdd a rivet 49 electrically connected to the electronic circuit of the watch.
  • the module of FIG. 3 still carries a known system of pull tab 53 and rocker 54.
  • the nose 55 of the pull tab is engaged in a groove in the rod (not shown) and the nose 56 of the rocker is engaged in a groove d 'a sliding pinion (not shown).
  • the rod T is shown here schematically and the rocker, disposed at the potential Vdd, has a tail 57 which comes into contact with the rivet 58 when the rod T is in the first pulled position T2 and with the rivet 59 when the rod T is in second pulled position T3.
  • the tail 57 is located between the rivets 58 and 59.
  • FIG. 4 is a block diagram showing the electrical-electronic part of the chronograph watch shown in FIG. 1.
  • This diagram mainly comprises a block 60 for selecting the chronograph / timepiece display, a frequency divider 61 and a block 62 calendar management according to the number of days in a month considered.
  • the blocks 60, 61 and 62 are part of a microcontroller known under the reference OKI 5052. To this microcontroller are connected on the one hand the rod contacts 58, 59 and the push button contacts 49, 52 and on the other hand the four motors 41 to 44.
  • a quartz time base 63 is connected to the input of the divider part 61 of the microcontroller.
  • the display selection block also includes a management block 64 for the push rod inputs, a chronograph management block 65 and at least two memory counters 66, 70 and 67, 71.
  • the microcontroller is programmed to operate from the as follows:
  • the memories of days 71 and months 70 When the chronograph is not used, the memories of days 71 and months 70, incremented by lines 80 and 81 from the divider 61, display their content, via the motors 43 and 44, on the first and second small hands respectively Q and Mo.
  • the timepiece displays the second S1, the minute M and the hour H by the second output of the divider 61 via the motor 41.
  • the large chronograph hand S2 is at zero and the motor 42 is not not activated.
  • the time signal from the divider 61 controls the calendar management block 62 which allocates the corresponding number of days to each month.
  • the block 62 is arranged so as not to increment the memory 71 during the passage from the 30 th to the 31 st day so that the first small hand Q remains two days on the division 30 of the dial (figure 1).
  • the same block 61 is arranged to increment the memory 71 by three additional steps at the end of the 28 th day.
  • the calendar will have to be updated manually, this example execution mode not having a four-year cycle memory.
  • the input management block 64 delivers a start or stop signal via line 82 to the chronograph management block 65 which, in the case of 'a start signal, allows incrementation of minute counters 67 and hours 66 by lines 83 and 84.
  • Motors 43 and 44 controlled by counters 67 and 66, drive the first and second small hands m and h.
  • block 64 via line 85, operates the transformations m ⁇ Q and h ⁇ Mo and keeps in memory the day and the month linked to the timepiece.
  • FIG. 5 is a plan view of the chronograph watch according to a second embodiment of the invention.
  • first timepiece indicators for displaying the time of day, in this case an hour hand H, a minute hand M and a small second hand S1. These needles are linked together by a mechanical timer, the small second hand generally being driven directly by the axis of the rotor of a first stepping motor.
  • the chronograph watch also includes second chronograph indicators to display a time interval, in this case a large hand S2 to count the seconds, a first small hand m to count the minutes and a second small hand h to count the hours. .
  • a second stepper motor drives the large needle S2
  • a third stepper motor drives the first small needle m
  • a fourth stepper motor drives the second small needle h.
  • a manual control device comprising two push-buttons P1 and P2 makes it possible to start, stop and then reset the chronograph indicators S2, m and h to zero.
  • the chronograph watch comprises means for instantaneous conversion of at least one of said second indicator S2, m and h into date indicator Q when the chronograph is not used.
  • FIG. 5 shows that the large hand S2 counting the seconds turns on a dial comprising 60 divisions. She goes around in a minute. Likewise, the first small hand m counting the minutes turns on a dial comprising 30 divisions and the second small hand h counting the hours turns on a dial comprising 24 divisions. She goes around in 12 hours.
  • the hand S2 has made one revolution, the hand m advances by one division and indicates an additional minute.
  • the hand h advances by one division and indicates an additional half hour.
  • the large S2 hand When the large S2 hand is converted into a Q date indicator, it progresses by two divisions per day, except during the passages from the 30 th to 31 st and from the 31 st to the 1st day of the following month where it progresses by only one division .
  • the first small hand m When the first small hand m is converted into an indicator of the four-year BISS cycle, it progresses 90 ° per year to successively indicate the first 1, second 2 and third 3 pre-leap years and then the leap year BISS.
  • the second small hand h is converted to the month indicator Mo, it progresses by two divisions per month. This mode of execution is provided with a perpetual calendar and when the large hand displays a month comprising 28, 29 or 30 days, this hand will jump to the 1 of the following month at the end of the 28 th , 29 th or 30 th day.
  • the chronograph of FIG. 5 is started and stopped by pressing on the push-button P1.
  • the conversion S2 ⁇ Q, m ⁇ BISS and h ⁇ Mo is then found.
  • the chronograph By pressing push-button P2, the chronograph at zero. From this moment, the large hand is positioned instantly on the date, S2 ⁇ Q, the first small hand is positioned instantly over one of the four years of the four-year cycle m ⁇ BISS and the second small hand is positioned instantly on the month h ⁇ Mo.
  • the large hand and the first and second small hands display 8 hours (h), 11 minutes (m) and 2 seconds (S2) of the timed time or the 2 (Q) August (MB) of the 2 nd year (BISS) of the four-year cycle of the timepiece depending on whether these hands display a time interval or the time of day respectively.
  • the crown stem T of FIG. 5 has the same functions as those described with reference to FIG. 1.
  • This second embodiment requires, as can be seen in FIG. 5, the production of a particular dial where, alongside the indications of seconds S2, minutes m and hours h, appear indications of date Q, respectively. cycle cycle of four years BISS and months Mo. This particular realization however has the advantage of an exact reading of the last day of the month whatever this last day.
  • the mounted electrical module which equips the chronograph watch of FIG. 5 is identical to that shown in FIG. 3. There too, there is no need to return to it here.
  • Figure 6 is a variant of the second embodiment of the invention shown in Figure 5. These figures differ from each other only by the distribution of the date on the hour turn.
  • the divisions of the calendar extend over 180 ° and have been shifted to correspond to the divisions of the seconds of the chronograph.
  • the large hand Q progresses rapidly over the remaining 180 ° to position itself on the first day of the following month.
  • the divisions of the calendar extend over 360 ° with compression of scale the last two days of the month, as has already been said above.
  • FIG. 7 is a block diagram showing the electrical-electronic part of the chronograph watches shown in FIGS. 5 and 6.
  • This diagram m differs from that of FIG. 4 only in that it comprises a second counter 68 and a memory 69 additional.
  • FIG. 7 shows the explanations which have been given above with regard to FIG. 4 are valid by analogy for FIG. 7.
  • the seconds counter 68 and that of the minutes 67 are incremented and the motor 42 and 43 drive the large hand S2 and the first small hand m respectively.
  • the input management block via line 85, operates the S2 ⁇ Q and m ⁇ BISS transformations and keeps in memory the day and the four-year cycle linked to the timepiece.
  • the transformation h ⁇ Mo takes place as in FIG. 4.
  • the counters of seconds 68, minutes 67 and hours 66 are set to zero.
  • motors 42, 43 and 44 are switched to memories 71, 69 and 70 respectively, which performs the transformations S2 ⁇ Q, m ⁇ BISS and h ⁇ Mo.
  • the microcontroller which is used here is of the same OKI 5052 type as that mentioned above.
  • the programming is however slightly different since we add here the four-year cycle of the leap year.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Electromechanical Clocks (AREA)

Claims (11)

  1. Chronographenuhr, umfassend Anzeigemittel (H, M, S1) der laufenden Zeit, verwendet für das Anzeigen der Tageszeit,und analoge Chronographenanzeigemittel, umfassend Chronographenzeiger (h, m, S2), welche normalwerweise verwendet werden, um ein abgemessenes Zeitinterval in Reaktion auf eine manuelle Steuereinrichtung (P1, P2) anzuzeigen, mit deren Hilfe der Chronograph in Betrieb setzbar, stillsetzbar und danach auf null rücksetzbar ist, dadurch gekennzeichnet, daß er Mittel für das sofortige Umsetzen umfaßt, um mindestens einen der Zeiger der Chronographenanzeigenmittel (h, m, S2) systematisch und in automatischer Weise in ein Anzeigemittel einer anderen Funktion als der Chronographenfunktion umzusetzen, wenn der Chronograph nicht verwendet wird.
  2. Chronographenuhr nach Anspruch 1, dadurch gekennzeichnet , daß die Chronographenanzeigemittel mindestens einen ersten und einen zweiten kleinen Chronographenzeiger (m, h) umfassen, um die Minuten bzw. die Stunden zu zählen, wobei einer dieser kleinen Chronographenzeiger von den Augenblicksumsetzmitteln angesteuert wird, um das Anzeigemittel einer anderen Funktion als der Chronographenfunktion zu bilden, wenn der Chronograph nicht verwendet wird.
  3. Chronographenuhr nach Anspruch 2, dadurch gekennzeichnet, daß der erste kleine Chronographenzeiger (m), der normalerweise die Minuten zählt, das Datum anzeigt, wenn der Chronograph nicht verwendet wird.
  4. Chronographenuhr nach Anspruch 2 oder 3, dadurch gekennzeichnet , daß der zweite kleine Chronographenzeiger (h), der normalerweise die Stunden zählt, den Monat (Mo) anzeigt, wenn der Chronograph nicht verwendet wird.
  5. Chronographenuhr nach Anspruch 3 und 4, dadurch gekennzeichnet , daß sie erste (71) und zweite (70) Speicher umfaßt, ausgebildet zum Abspeichern des Datums (Q) bzw. Monats (Mo), wenn der Chronograph in Betrieb genommen und danach stillgesetzt wird, wobei der Inhalt des ersten und des zweiten Speichers von den ersten bzw. zweiten kleinen Zeigern angezeigt wird, wenn der Chronograph auf null rückgesetzt wird.
  6. Chronographenuhr nach Anspruch 1, dadurch gekennzeichnet , daß die Chronographenanzeigemittel mindestens einen großen Zeiger (S2) für das Zählen der Sekunden umfassen, welcher große Zeiger des Chronographen von den Augenblicksumsetzmitteln angesteuert wird, um das Anzeigemittel einer anderen Funktion als der Chronographenfunktion zu bilden, wenn der Chronograph nicht verwendet wird.
  7. Chronographenuhr nach Anspruch 6, dadurch gekennzeichnet , daß die andere von dem großen Chronographenzeiger angezeigte Funktion das Datum ist.
  8. Chronographenuhr nach Anspruch 7, dadurch gekennzeichnet , daß die Chronographenanzeigemittel ferner einen ersten kleinen Zeiger (m), der normalerweise die Minuten zählt, umfassen, welcher den Zyklus von vier Jahren eines Schaltjahres (BISS) anzeigt, wenn der Chronograph nicht verwendet wird, und einen zweiten, normalerweise die Stunden zählenden zweiten Zeiger (h) umfassen, der den Monat (Mo) ebenfalls dann anzeigt, wenn der Chronograph nicht verwendet wird.
  9. Chronographenuhr nach Anspruch 8, dadurch gekennzeichnet , daß sie erste (71), zweite (69) und dritte (70) Speicher umfaßt, ausgebildet zum Speichern des Datums (Q) des Zyklus von vier Jahren (BISS) bzw. des Monats (Mo), wenn der Chronograph in Betrieb genommen und dann stillgesetzt wird, wobei der Inhalt des ersten, zweiten bzw. dritten Speichers von dem großen Zeiger bzw. dem ersten und zweiten kleinen Zeiger angezeigt wird, wenn der Chronograph auf null rückgesetzt wird.
  10. Chronographenuhr nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet , daß die Zeitanzeigemittel mindestens einen Stundenzeiger (H) und einen Minutenzeiger (M) umfassen.
  11. Chronographenuhr nach 2, 6 und 10, dadurch gekennzeichnet , daß der Stundenzeiger (H) und Minutenzeiger (M) von einem ersten Motor (41) angetrieben sind, und daß der große Zeiger (S2), der erste kleine Zeiger (m) und der zweite kleine Zeiger (h) von einem zweiten (42), dritten (43) bzw. vierten (44) Motor angetrieben sind.
EP94104316A 1993-03-23 1994-03-18 Chronographuhr mit Datumanzeige Expired - Lifetime EP0617346B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00881/93A CH686106B5 (fr) 1993-03-23 1993-03-23 Montre-chronographe avec indicateur de quantième.
CH881/93 1993-03-23

Publications (2)

Publication Number Publication Date
EP0617346A1 EP0617346A1 (de) 1994-09-28
EP0617346B1 true EP0617346B1 (de) 1997-12-03

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EP94104316A Expired - Lifetime EP0617346B1 (de) 1993-03-23 1994-03-18 Chronographuhr mit Datumanzeige

Country Status (9)

Country Link
US (1) US5473580A (de)
EP (1) EP0617346B1 (de)
JP (1) JPH06300864A (de)
KR (1) KR100278054B1 (de)
CN (1) CN1044936C (de)
CH (1) CH686106B5 (de)
DE (1) DE69407079T2 (de)
HK (1) HK1005211A1 (de)
SG (1) SG66222A1 (de)

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JP3732281B2 (ja) * 1996-08-30 2006-01-05 シチズン時計株式会社 多機能時計
US6370087B1 (en) * 1998-04-21 2002-04-09 Seiko Epson Corporation Time measurement device and time measurement method
DE69917879T2 (de) * 1998-09-10 2005-06-30 Seiko Epson Corp. Zeitmessvorrichtung
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DE69407079D1 (de) 1998-01-15
EP0617346A1 (de) 1994-09-28
CN1044936C (zh) 1999-09-01
CH686106GA3 (fr) 1996-01-15
DE69407079T2 (de) 1998-07-02
KR940022215A (ko) 1994-10-20
CN1096596A (zh) 1994-12-21
CH686106B5 (fr) 1996-07-15
HK1005211A1 (en) 1998-12-24
KR100278054B1 (ko) 2001-01-15
US5473580A (en) 1995-12-05
SG66222A1 (en) 1999-07-20
JPH06300864A (ja) 1994-10-28

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