EP0175961B1 - Pièce d'horlogerie électronique comportant un dispositif de mise à l'heure - Google Patents

Pièce d'horlogerie électronique comportant un dispositif de mise à l'heure Download PDF

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Publication number
EP0175961B1
EP0175961B1 EP85111025A EP85111025A EP0175961B1 EP 0175961 B1 EP0175961 B1 EP 0175961B1 EP 85111025 A EP85111025 A EP 85111025A EP 85111025 A EP85111025 A EP 85111025A EP 0175961 B1 EP0175961 B1 EP 0175961B1
Authority
EP
European Patent Office
Prior art keywords
correction
output
pulses
down counter
time
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
Application number
EP85111025A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0175961A1 (fr
Inventor
René Besson
Pierre-André Meister
Jürg Rudin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
Eta SA Fabriques dEbauches
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eta SA Fabriques dEbauches filed Critical Eta SA Fabriques dEbauches
Publication of EP0175961A1 publication Critical patent/EP0175961A1/fr
Application granted granted Critical
Publication of EP0175961B1 publication Critical patent/EP0175961B1/fr
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C9/00—Electrically-actuated devices for setting the time-indicating means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G5/00—Setting, i.e. correcting or changing, the time-indication
    • G04G5/02—Setting, i.e. correcting or changing, the time-indication by temporarily changing the number of pulses per unit time, e.g. quick-feed method
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0076—Visual time or date indication means in which the time in another time-zone or in another city can be displayed at will

Definitions

  • the present invention relates to an electronic timepiece comprising at least one hour indicator (7), a minute indicator (6) and a corrector member (A, B, C) which can be activated manually, said member allowing, when it is activated, the correction step by step in one direction or the other of the indication of the minutes in response to a first determined maneuver exerted on the organ and the rapid correction in one direction or the other of said indication by entire time zones in response to a second determined maneuver and different from the first exerted on the organ.
  • a corrector member A, B, C
  • a timepiece corresponding to the above definition is known.
  • the corrective member is in the form of a crown rod reminiscent of that of mechanical watches and to which users are most used. Some of these models are designed to allow time zone correction, that is, modification of the display by whole hours.
  • the document EP-A-0 064 023 (its correspondent CH-A-643 427 G or its correspondent US-A-4 398 831), describes as known a solution which consists in selecting the information to be corrected, hours and minutes or time zone, by rotating the rod in one direction or the other while maintaining it in its non-activated position, then pulling the rod and then turning it again to correct the selected information, rotation in one direction or in the other of the rod allowing then to advance or delay the watch.
  • the cited document also indicates that it is known to modify the indication of the hours (time zone) or the indication of the minutes by turning the time-setting rod respectively at high speed or at low speed, the display progressing or regressing according to the direction of rotation.
  • the cited document proposes to correct the indication of the time zone when the control member is in its neutral rest position, the correction of the minutes being able to be made as for the rod is activated in the correction position.
  • This solution lacks logic because the user must remember that the correction of the time zone can only be done in an axial position of the rod which normally is reserved for the selection of the data to be corrected.
  • the neutral position of the rod is used for the selection of data by slow rotation, the proposed solution will not avoid an untimely correction of the time zone if this rod is rotated quickly when carrying out said selection.
  • the present invention therefore proposes to provide a remedy for preventing the loss of the hour in a watch where the correction of the minutes and the correction of the time zone are carried out in the same activated position of the correction and choosing the maneuver to be applied to said organ.
  • the watch includes means for canceling any corrections to the minutes which would have preceded a correction of the time zone. In this way the time zone will always be corrected with respect to the real time that was running when the correction device was activated. Thus a loss of the hour is completely excluded.
  • the timepiece according to the invention has at least one hour indicator and one minute indicator.
  • these indicators are on the one hand a minute hand and on the other hand an hour hand, the latter being linked mechanically to the former by a mechanical timer.
  • the watch also has a rod crown which can take two axial positions. A first neutral position pressed allows the data to be corrected to be selected, this data being among others the time, a timer function, a chronograph function, etc. The selection is made by rotating the crown. To make visible to the user which data has been selected, it can be displayed on an auxiliary display, for example a digital liquid crystal display.
  • the crown is pulled into a second active position, after selecting the indication of the time. From this position, if you turn the crown slowly, in one direction or the other, you add or subtract minutes to the display of the minute hand. Thus the needle will progress or regress step by step, the user remaining master of the correction to be made. Also from this position if you turn the crown quickly, in one direction or the other, you add or subtract an entire time zone to the hour display, the minute hand then going exactly one revolution dial. These manipulations are known. For this, reference is made to the document cited above as well as to patent CH-A-632,894 (corresponding to document US-A-4,379,642).
  • the present invention proposes the correction of the minutes and the correction of the time zone in the same active position of the crown and this without risking the loss of the hour if a correction of the minutes preceded a correction of the time zone schedule.
  • FIG. 1 A possible diagram achieving the aim is shown in FIG. 1. It includes, as is known from the prior art, a time base 1, such as a quartz oscillator producing a high frequency signal, for example 32 kHz, a frequency divider 2 composed of a series of flip-flops connected in cascade and supplying a seconds counter 3 with a signal of normal time pulses whose frequency is chosen here at 1 Hz.
  • the seconds counter 3 provides its output a minute pulse which, via the OR circuit 4 and the shaping circuit 5, advances the minute hand 6 in steps of one minute.
  • the minute hand is driven by a stepping motor capable of operating in both directions of rotation and the direction of which depends on the signal present on line 8 of the shaping circuit 5. When the watch operates normally, this signal is worth 1 and the minute hand advances clockwise.
  • the watch also has a manual control rod, the rotary with two axial positions, one at rest and the other at work, not shown in FIG. 1, which, when it pivots, actuates two mechanical switches A and B which generate two signals each formed by a series of pulses having a frequency proportional to the speed of rotation of the control member, and phase shifted with respect to each other, the sign of phase shift depending on the direction of rotation.
  • a third switch C actuated by the control rod when it is moved axially provides a logic signal representative of the position occupied by the rod.
  • the block 9 emits a logic signal 1 on its output MC which is a signal representative of the stepwise correction of the minutes.
  • block 9 When the crown is turned to move the minute hand clockwise, block 9 emits a logic signal 1 (up) on its SC output. When the crown is turned to move the minute hand counterclockwise, block 9 emits a logic signal 0 (down) on its SC output. These signals are sent regardless of the speed at which the needle moves. They are representative of the direction of correction.
  • Block 9 has a stop input. It interrupts the transmission of the high frequency signal to its HMC output when a correction blocking pulse reaches this input.
  • FIG 1 shows that the HMC output (cadence) of block 9 is connected to the watch display via the OR circuit 4 and that the SC output (direction) is connected to said display via the shaping circuit 5 by the line 8.
  • the minute hand will move step by step or at high speed in one direction or the other, depending on the operation exerted on the crown.
  • the timepiece includes means for canceling any corrections to the minutes which would have preceded a correction of the time zone when the corrector member is activated.
  • the timepiece in response to the rapid rotation of the crown, it always causes a correction of an entire time zone with respect to real time which runs from the moment the crown is placed in the active pulled position. In this way an untimely, unwanted correction of a few minutes is not taken into account in the correction of the time zone which remains aligned with the exact time.
  • Figure 1 shows an example of ways to achieve the goal. These essentially consist of an up-down counter 10 and a circuit 11 associated with the up-down counter 10.
  • the up-down counter is loaded by HMC pulses arriving at its input CL. It can be reset to zero if a pulse is applied to its R input. It counts if its U / D input (up / down) is at 1 and counts down if said input is at zero.
  • the up-down counter used here has a capacity limited to 60, that is to say that starting from zero it emits an output pulse 12 of so-called carry (output) when its input CL has received 60 pulses that it acts of a counting (up) or a counting down (down).
  • the down-counter 10 receives on its input cl first pulses in the counting direction (for example 5) then second pulses in the counting direction, the number of said second pulses being greater than the number of said first pulses (by example 10), it will emit an output pulse 12 called borrow when its content goes through zero.
  • This also applies in the reverse direction counting down counting
  • the carry-over and borrowing pulses 12 appear at the output of the up-down counter in the same form and it is not possible to distinguish them from each other except by the fact that the first was obtained without the U / D input changing state while the second only intervenes when there has been a change of state of said U / D input.
  • the circuit 11 associated with the up-down counter essentially comprises two flip-flops of the SR 14 and 15 type. If a reset pulse (set) is sent to the input S 1 , the flip-flop 14 has a logic state 1 at its output 0, and a logic state 0 at its output Q 1 . It is the same for the flip-flop 15. Conversely if a reset pulse is sent to the input S 1 , the flip-flop 14 has a logic state 0 at its output 0 1 and a logic state 1 at its output Q 1 . It is the same for the flip-flop 15. It should be observed that the flip-flops SR chosen here are of the master-slave type (i.e. the reset takes place only on the second side of the control pulse sent to the inputs R, and R 2 . This feature makes it possible, as will be seen below, to distinguish between a carry-over pulse and a borrowing pulse delivered at the output 30 of the up-down counter 10.
  • the outputs of said doors 19 and 20 are connected to the inputs of an OR gate 21 whose output delivers a correction blocking pulse 13 at the stop input of block Q
  • the other inputs of each of the AND gates 19 and 20 receive the signal representative of the direction of correction SC, the signal representative of the rapid correction (time zone) FC and the output pulses 12 emitted by the up-down counter 10.
  • the signal SC is applied to the gate 20 as it appears at the output of the block 9, whereas on the gate 19 this signal is inverted by the inverter circuit 23.
  • the output HMC of block 9 produces pulses at 64 Hz which begin to load the up-down counter 10 in the direction of advance since the signal representative of the direction of correction SC is at level 1.
  • the needle 6 advances at a rate fast since, on the one hand, pulses at 64 Hz reach it via the OR circuit 4 and, on the other hand, the shaping circuit 5 receives an advance order via line 8.
  • AND gates 17 and 18 remain at zero since their input which receives the signal representative of a stepwise correction MC is at zero.
  • the flip-flops 14 and 15 therefore do not change state thus maintaining state 1 on outputs Q 1 and Q 2 .
  • the AND gate 20 sees its two lower inputs pass to 1 since the signals representative of the direction of correction SC and of the time zone FC are at 1.
  • the three lower inputs of the AND gate 20 are at 1 which allows the pulse 12 sent at the end of the count to pass the AND gate 20 and provide at the output of the OR gate 21 a correction blocking pulse 13 which stops the pulses at 64 Hz on the HMC output, the hand 6 will have thus traversed an advance of 60 divisions of one minute thus advancing the hand 7 of the hours of a time zone. It will be noted that during this time setting the AND gate 19 has its input less than zero, the signal SC being inverted by the inverter circuit 23.
  • FIG. 2a is a representation of the running of the minute hand when the stepwise correction of said hand precedes the time zone correction and when said corrections take place in the same direction of travel.
  • the hour 7 and minute 6 hands indicate 4 h 45 min.
  • the minute hand occupies position 6 'and will have advanced 300 in the direction of arrow 40.
  • a time zone correction made in the same direction will , according to the invention, advance the hand by only 55 minutes in the direction of arrow 41.
  • the watch will indicate 5 h 45 min: the minute hand will be in position 6 and that of the hours in position 7 '.
  • block 9 emits an IR reset pulse when the crown is in the correction position.
  • the up-down counter 10 is set to zero and the outputs Q, and Q 2 of flip-flops 14 and 15 are at level 1.
  • the crown is then printed with a slow rotation, this movement advancing the hand by 5 minutes.
  • the up-down counter 10 will have been incremented by 5 pulses and the hand 6 will have advanced from 4:45 to 4:50 (see also fig. 2a).
  • the signal representative of the direction SC is worth 1
  • the signal representative of the stepwise correction MC is also worth 1 while the signal representative of the time zone FC is zero.
  • the output of the AND gate 19 (A,) remains at zero because it receives a zero signal from the inverter 23. This output A, will remain at zero during the correction of the time zone because in the two corrections envisaged here SC is equal to 1 (same direction of advance).
  • the output of the AND gate 18 remains at zero because the output of the inverter 22 is zero.
  • state 1 of output Q2 of flip-flop 15 is preserved.
  • the lower entry of the AND gate 20 is at 1 and also remains at 1 when advancing at a rapid rate.
  • Figure 3a is a signal diagram illustrating the operation of the circuit of Figure 1 when the corrections take place according to the step shown in fig. 2a.
  • the various symbols used in FIG. 1. We see that to the 5 isolated HMC pulses 55 subsequent pulses are added which produces the transfer pulse 12. At this time the coincidence of this pulse with the states 1 points Q 2 , SC and FC allow said pulse to pass through the AND gate 20 (A 2 ) and stop the block 9 (13). It can be seen that if the stepwise correction and the rapid correction of the display take place in the same direction, the blocking signal 13 is sent at the first of the pulses sent (12) by the up-down counter.
  • the watch displays 4 hours 45 minutes when you want to advance its display by one hour. After selecting the double hour-minute function to be corrected, the crown is pulled out to the active position. However, instead of imparting a rapid rotational movement to the crown in the direction which is suitable for rapid advancing of the minute hand, the said crown is actuated too slowly and in a direction such that the watch is delayed by 5 minutes. The watch then indicates 4 h 40 min. Without a device to cancel the erroneous correction, the display will indicate 5 h 40 min instead of the desired 5:45 h.
  • FIG. 2b is a representation of the running of the minute hand when the stepwise correction of said hand precedes the time zone correction and when said corrections take place in opposite directions of travel.
  • your hour 7 and minute 6 hands indicate 4 h 45 min.
  • the minute hand occupies position 6 'and will have moved back 30 ° in the direction of arrow 42.
  • a time zone correction made in the other sense will, according to the invention, advance the hand by 65 minutes in the direction of arrow 43.
  • the watch will then indicate 5 h 45 min: the minute hand will be in position 6 and that of the hours in position 7 ' .
  • block 9 emits a reset pulse on its IR output when the crown is in the correction position.
  • the up-down counter 10 and the flip-flops 14 and 15 are reset to zero, which means that the outputs Q and Q 2 are at logic level 1.
  • the crown is then printed with a slow rotation which causes the hand to move back 5 minutes.
  • the up-down counter 10 will have been loaded with 5 pulses on its CL input in the "down" or down-counting direction.
  • the signal SC is worth 0
  • the signal MC is worth 1
  • the signal FC is worth O.
  • This situation makes the AND gate 18 pass at the first pulse from the HMC output of block 9 and causes the circuit 15 which has then a level 0 on its output Q 2 . Consequently all the inputs of AND gate 20 are at zero.
  • the borrowing pulse 12 which occurs at the upper input of the AND gate 20 is found to be ahead of the passage to 1 of the input of the same door connected to the output Q 2 of the rocker 15. Consequently, this pulse cannot pass the AND gate 20 and in no way stops the block 9 which continues to provide a signal at 64 Hz on its HMC output. From this instant, the up-down counter 10 will charge up to its nominal capacity and, after 60 pulses, will supply an output or transfer pulse 12 to the upper input of the AND gate 20. As all the other inputs are at 1, the transfer pulse passes the AND gate 20 and supplies, at the output of the OR circuit 21, a correction blocking pulse 13 which stops the transmission of the signal at 64 Hz on the HMC output of block 9.
  • Figure 3b is a signal diagram illustrating the operation of the circuit of Figure 1 when the corrections take place according to the step shown in Figure 2b. It is assumed, however, that the slow walk does not go in the negative direction has already been carried out and the left edge of the diagram begins at the moment when the needle is driven in rapid cadence. It can be seen that the first output pulse (12) (borrow) fails to pass the AND gate 20 since the signal Q 2 is still at zero at this time. This is only at the second transmission of a pulse 12 (carry) by the up-down counter that said pulse can pass the AND gate 20 since the points Q 2 , SC and FC are at level 1.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
EP85111025A 1984-09-05 1985-09-02 Pièce d'horlogerie électronique comportant un dispositif de mise à l'heure Expired EP0175961B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4251/84 1984-09-05
CH425184A CH657010GA3 (ja) 1984-09-06 1984-09-06

Publications (2)

Publication Number Publication Date
EP0175961A1 EP0175961A1 (fr) 1986-04-02
EP0175961B1 true EP0175961B1 (fr) 1988-08-10

Family

ID=4272623

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85111025A Expired EP0175961B1 (fr) 1984-09-05 1985-09-02 Pièce d'horlogerie électronique comportant un dispositif de mise à l'heure

Country Status (6)

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US (1) US4620797A (ja)
EP (1) EP0175961B1 (ja)
JP (1) JPS6166983A (ja)
CH (1) CH657010GA3 (ja)
DE (1) DE3564352D1 (ja)
HK (1) HK83193A (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS631992A (ja) * 1986-06-20 1988-01-06 Seiko Instr & Electronics Ltd 世界時計
CH673924B5 (ja) * 1988-04-19 1990-10-31 Rolex Montres
CH673555B5 (ja) * 1988-04-19 1990-09-28 Rolex Montres
US4901296A (en) * 1989-03-17 1990-02-13 Mitchell Ross E Watch with speed adjustment during travel for reducing jet lag
EP0407165B1 (en) * 1989-07-07 1994-12-21 Citizen Watch Co., Ltd. Analog world watch
CH682969B5 (fr) * 1992-05-14 1994-06-30 Ebauchesfabrik Eta Ag Pièce d'horlogerie apte à recevoir des messages radiodiffuses.
CH683484B5 (fr) * 1992-08-03 1994-09-30 Ebauchesfabrik Eta Ag Pièce d'horlogerie apte à recevoir des messages radiodiffusés munie d'un dispositif de commande à bille.
CH684044B5 (fr) * 1992-09-25 1995-01-13 Ebauchesfabrik Eta Ag Pièce d'horlogerie analogique pouvant afficher des informations supplémentaires.
CH684143B5 (fr) * 1992-10-08 1995-01-31 Ebauchesfabrik Eta Ag Pièce d'horlogerie apte à recevoir des messages radiodiffusés affichés par ses aiguilles.
US5479378A (en) * 1993-12-17 1995-12-26 Seiko Telecommunication Systems Inc. Analog wristwatch paging receiver
CH688498B5 (fr) 1994-11-03 1998-04-30 Asulab Sa Pièce d'horlogerie avec informations horométriques par vibrations non sonores.
CH688600B5 (fr) 1994-12-01 1998-06-15 Asulab Sa Pièce d'horlogerie à affichage analogique comportant des moyens de sélection d'une information numérique.
JPH10213687A (ja) * 1997-01-28 1998-08-11 Nec Shizuoka Ltd 情報表示選択装置及びこれを用いたデジタル装置
JP5626199B2 (ja) * 2011-12-27 2014-11-19 カシオ計算機株式会社 電子時計、及び、電子時計の操作検出方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH626222B (fr) * 1977-07-05 Ebauches Sa Piece d'horlogerie electronique a mise a l'heure mixte.
JPS5486377A (en) * 1977-12-22 1979-07-09 Seiko Instr & Electronics Ltd Electronic watch
CH620085B (fr) * 1977-12-31 Ebauchesfabrik Eta Ag Montre a quartz et dispositif d'affichage analogique a commande manuelle de changement d'heure.
US4382686A (en) * 1977-12-31 1983-05-10 Eta A.G. Ebauches Fabrik Quartz watch with analogical time display, comprising a manually controlled time altering device
US4228648A (en) * 1978-10-11 1980-10-21 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Hour hand corrector for dual display timepiece
CH643107B (fr) * 1978-12-05 Suwa Seikosha Kk Piece d'horlogerie electronique, notamment montre-bracelet electronique, munie de moyens de correction de l'information affichee.
CH643427B (fr) * 1981-03-05 Ebauchesfabrik Eta Ag Montre electronique.
JPS5923278A (ja) * 1982-07-30 1984-02-06 Citizen Watch Co Ltd 指針表示式付加機能付時計の指針修正装置

Also Published As

Publication number Publication date
DE3564352D1 (en) 1988-09-15
HK83193A (en) 1993-08-20
CH657010GA3 (ja) 1986-08-15
JPS6166983A (ja) 1986-04-05
JPH039433B2 (ja) 1991-02-08
EP0175961A1 (fr) 1986-04-02
US4620797A (en) 1986-11-04

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