EP3018537B1 - Dispositif d'affichage grande date pour pièce d'horlogerie - Google Patents

Dispositif d'affichage grande date pour pièce d'horlogerie Download PDF

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Publication number
EP3018537B1
EP3018537B1 EP14191899.5A EP14191899A EP3018537B1 EP 3018537 B1 EP3018537 B1 EP 3018537B1 EP 14191899 A EP14191899 A EP 14191899A EP 3018537 B1 EP3018537 B1 EP 3018537B1
Authority
EP
European Patent Office
Prior art keywords
characters
display
upper plate
character
lower plate
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.)
Active
Application number
EP14191899.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3018537A1 (fr
Inventor
Martin Robin
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.)
Blancpain SA
Original Assignee
Blancpain SA
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 Blancpain SA filed Critical Blancpain SA
Priority to EP14191899.5A priority Critical patent/EP3018537B1/fr
Priority to RU2015147304A priority patent/RU2619734C2/ru
Priority to US14/930,998 priority patent/US9383723B2/en
Priority to JP2015216434A priority patent/JP6283339B2/ja
Priority to CN201510741803.7A priority patent/CN105573097B/zh
Publication of EP3018537A1 publication Critical patent/EP3018537A1/fr
Application granted granted Critical
Publication of EP3018537B1 publication Critical patent/EP3018537B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • 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
    • G04B13/002—Gearwork where rotation in one direction is changed into a stepping movement
    • G04B13/026—
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars

Definitions

  • the present invention relates to a large date display device comprising means for indicating the tens arranged to selectively display four distinct indications, and means for indicating the units arranged to selectively display the digits from 1 to 9 and the zero, the device being arranged to indicate the date in a timepiece.
  • the document CH 688 671 discloses a watch having a "big date” display device comprising two concentric indicator discs.
  • the smaller of the two disks is arranged to perform a turn in four steps and it carries the four indications 0, 1, 2 and 3 to figure the tens.
  • the other disc is arranged to perform a lap in ten steps and it carries the ten indications 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 to figure the units.
  • Two wickets are still provided in the dial of the watch to allow the reading of the date.
  • a known advantage of "big date” display devices like this is that they allow a better reading of the date than systems equipped with a single date indicator disc.
  • the document CH 688 671 also explains that the two indicator discs of the display device are driven from a double-toothed drive wheel which is formed by the superposition of two toothed wheels of the same diameter and which are integral with each other .
  • a first gear of the drive wheel has 30 teeth spaced a 31 th of a turn, and a space that replaces the 31 th tooth.
  • Each tooth of the first toothing is arranged to advance the indicator disc units one step. It will therefore be understood that each revolution of the drive wheel advances the indicator disk of the units by thirty paces (which corresponds to exactly three revolutions).
  • the second toothing of the drive wheel has four teeth. Each tooth of the second toothing is arranged to advance the indicator disc tens a step.
  • the document CH 589 881 discloses a character display mechanism for a timepiece, likely to be a "big date" calendar and comprising a plate on which are intertwined pieces of characters forming figures.
  • a first type of date mechanism is the so-called “simple” calendar.
  • simple date it is necessary, at the end of the months not having 31 days, to manually advance the display device "big date” to update the date.
  • annual date mechanisms we also know so-called “annual” date mechanisms, and even so-called “perpetual” date mechanisms.
  • perpetual calendar all changes, at the end of each month, are done automatically, regardless of the number of days in the month.
  • annual calendar all changes are automatic, except for the transition between February and March.
  • the catch-up operation is done automatically.
  • the perpetual calendar mechanisms are usually equipped with a so-called "48" cam which has notches of different depths for months of less than 31 days.
  • the mechanism further comprises a rocker arranged to cooperate with the cam 48.
  • the degree of inclination of the rocker is determined by the depth of the notch in which its nose is engaged, and this degree of inclination in turn determines the number of days to catch up at the end of the current month.
  • This type of mechanism is both complex and delicate.
  • An object of the present invention is to simplify the operations necessary to update a "big date" display device after the end of a month of less than 31 days.
  • the present invention achieves this goal by providing a large date display device according to the appended claim 1.
  • the number of units of the calendar of the last day of a month less than 31 days is always either 8 or 9, or zero.
  • these three digits of the units are displayed using the first lower plate, the first upper plate then being in an angular position such that said at least one first opening associated with the eighth Missing or incomplete character is under the display area.
  • the number of the date units of the first day of the month is always the 1. But the 1 is the first of the characters carried by the first upper plate. The position of the 1 on the upper plate is therefore directly following the position of the eighth missing or incomplete character.
  • the date "1" can directly replace the number of units of the last calendar of a month of less than 31 days. It will be further understood that in the case where the last day of the month is the 31st, the transition to the first day of the following month can be done without changing the unit figure.
  • an advantageous variant of the invention is in accordance with the appended claim 2.
  • the digits of the tens 2 and 3 are always displayed using the second lower plate and the said at least one second opening associated with the third missing or incomplete character of the second upper plate.
  • the angular position of the second upper plate when displaying the last day of the month is therefore always the one where the third missing or incomplete character is in the display area.
  • the tens digit of the day of the first day of the month is the "0", or alternatively the empty space.
  • the 0 is the first of the characters carried by the second upper plate.
  • the position of the 0 on the upper plate is therefore directly following the position of the third missing or incomplete character.
  • the "0" calendar can be substituted directly for the tens digit of the last calendar of the month, this single step of the second upper plate being, as as we have seen, associated with a single step in front of the first top plate when the previous month is less than 31 days old.
  • the figure 1 is a top plan view of the cache of a "big date" display device according to a particular embodiment of the invention. It can be seen in the figure that, in the illustrated embodiment, apertures 7A-7G (called third apertures) and apertures 9A-9G (so-called fourth apertures) are arranged in a display area 5 of the device cover. display. It can be understood from the figure that the third openings are part of indication means of the units, while the fourth openings are part of tens indication means.
  • the segment display form used in the illustrated example corresponds to a so-called 7-segment display.
  • the 7-segment displays make it possible to display the numbers from “0” to "9” by means of seven rectilinear segments (four vertical segments and three horizontal segments) which are distributed on a pattern of "8" corresponding to the superposition of the numbers from "0" to "9".
  • the means for indicating the units comprise a first upper plate 2 and a first lower plate 3.
  • the outline of the first plates 2 and 3 is represented by dashed lines in FIG. figure 1 . It will be understood that the broken line indicates that these two elements are masked by the cache of the display device.
  • the tens indicating means comprises a second upper plate 12 and a second lower plate 13. The latter two elements are also masked by the display cover.
  • the Figure 2A is an exploded representation of the elements already in the top plan view of the figure 1 .
  • the exploded representation shows the two sets of characters carried respectively by the first 2 and the second 12 upper plate, and the pieces of characters carried respectively by the first 3 and the second 13 lower plate.
  • the respective angular positions of the first and second upper and lower plates as shown in FIG. Figure 2A correspond to the display of the date "28" by the "big date” display device.
  • the first upper plate 2 carries a series of eight characters regularly distributed over a wide circular path. Seven of these characters (respectively referenced A1, A2, A3, A4, A5, A6 and A7) are constituted by the digits 1, 2, 3, 4, 5, 6 and 7.
  • the eighth character (referenced A8) is incomplete. It is constituted by a number 8 amputated of two segments, these two segments being replaced by openings (so-called first openings and referenced A8E and A8G) which are also in the form of segments. It will be further noted that the characters overlap each other, and that two overlapping characters make an angle of 45 ° between them.
  • the feature of the present example in which two entangled figures make an angle of 45 ° between them is particularly advantageous when the display principle used is that of the 7-segment display.
  • the 7-segment display uses four vertical segments and three horizontal segments. As confirmed by figure 1 there are no oblique segments. Under these conditions, as two overlapping characters make an angle of 45 ° between them, the third openings in the cache can only show one character at a time in the display area.
  • the first lower plate 3 carries a pattern formed of pieces of characters.
  • these pieces of character referenced P8, P9 and P0
  • these character pieces are arranged to respectively form the digits 8, 9 and 0 in association with the eighth incomplete character, when they appear under at least one of the first openings A8E and A8G.
  • Figure 2A it is the piece P8 which is supposed to be just below the first openings A8E and A8G, so that it completes the eighth character to make it an 8.
  • the complete cycle of the units consists of the sequence of digits 1, 2, 3, 4, 5, 6, 7 displayed by the first upper plate 2, followed by the sequence of digits 8, 9, 0 displayed by the first lower plate. 3 in combination with the eighth incomplete character A8 of the upper plate.
  • the cycle begins with the S index at 10:30 (cf. Figure 2B ). In this angular position, the number 1 appears through the third openings 7B and 7C of the cache.
  • the character A1 comprises auxiliary segments which have the same color as the display area 5 of the cover and whose presence has the effect of obscuring the five third openings which do not participate in the indication of the number 1 .
  • the first upper plate is not illustrated in these angular positions, it will be understood that when the first upper plate then makes a step of 45 ° counterclockwise, the index S is placed at 9:00 and the number 2 appears at through the third openings 7A, 7B, 7D, 7E and 7G. A step further brings the index S at 7:30 and places the number 3 directly below the third openings. The index S is then placed at 6:00 for the display of the number 4, then at 4:30 for the number 5, at 3:00 for the number 6 and at 1:30 for the number 7. It will be noted that during all the part of the cycle that comes to be described, the pieces of characters P8, P9 and P0 carried by the first lower plate 3 are masked by the upper plate 2. Thus, the lower plate does not intervene in the display, and its angular position therefore plays no role.
  • the index S is placed at noon (as shown in FIG. Figure 2A ) and the eighth incomplete character appears through the third openings.
  • the first openings A8E and A8G are immobilized directly below the third openings 7E and 7G.
  • One of the three character pieces P8, P9 and P0 may appear through at least one of the first openings (in the Figure 2A as we have seen, it is the piece P8 which appears). In other words, to indicate the number 8, the index I must be oriented at 6 o'clock.
  • the P9 character bit has a segment of a color that contrasts with the color of the cache and an auxiliary segment whose color is the same as that of the cache.
  • the first of these segments appears through the first opening A8G and the third opening 7G so as to complete the eighth character to make it a 9.
  • the second segment of the piece of character P9 is just below the openings A8E and 7E superimposed. As its color corresponds to that of the cache, its presence has the effect of obscuring the third opening 7E.
  • the index I is placed at 2:00 and the piece of character P0 replaces the piece P9 (cf. Figure 4A ).
  • a segment whose color contrasts with that of the cache appears through the first aperture A8E and the third aperture 7E to complete the eighth character to a 0. It is important to note that the first top plate does not change orientation when unit display changes from 8 to 9 and then from 9 to zero.
  • the means for indicating the tens are similar to the means for indicating the units.
  • the second upper plate 12 carries a series of three characters regularly distributed every 120 ° on a wide circular track. Two of these characters (respectively referenced B0 and B1) are constituted by the numbers 0 and 1. The third character (referenced B2) is incomplete. It can be seen that its layout corresponds to that of a digit 8 amputated by two segments, these two segments being replaced by openings (called first openings and referenced B2C and B2E) which also have the shape of segments.
  • the second lower plate 13 carries a pattern formed of four horizontal segments and four vertical segments. It can be further noted that this pattern has a rotation symmetry of order 2. Two of the four vertical segments have a color that contrasts with that of the display area 5 of the cache. These two segments which are symmetrical by a 180 ° rotation are both referenced Q2. The other two vertical segments have the same color as the cache. They are also symmetrical by a rotation of 180 ° and they are referenced Q2 '. Two of the four horizontal segments have a color that contrasts with that of the display area 5 of the cache. These two segments which are symmetrical by a 180 ° rotation are both referenced Q3. The other two horizontal segments have the same color as the cache. They are also symmetrical by a rotation of 180 ° and they are referenced Q3 '.
  • the complete cycle of tens is formed by the sequence of digits 0 and 1 displayed by the second upper plate 12, followed by the sequence of digits 2 and 3 displayed by the second lower plate 13 in association with the third incomplete character B2 of the plate. higher.
  • the cycle begins with the second upper plate 12 oriented so that the character B0 (the number 0) is at the bottom right. In this angular position, the digit 0 appears through the fourth openings 9A, 9B, 9C, 9D, 9E and 9F of the cache.
  • the character B0 comprises an auxiliary segment which has the same color as the display zone 5 of the mask and the presence of which has the effect of obscuring the fourth opening 9G which does not participate in the indication of the digit 0 .
  • the character B1 takes the place of the character B0 and the number 1 appears through the fourth openings 9B and 9C. It will be noted that during this first part of the cycle, the pieces of characters Q2, Q2 ', Q3 and Q3' carried by the second lower plate 13 are masked by the upper plate 12. Thus, the lower plate does not intervene in the display, and its angular position therefore plays no role.
  • Figure B2 is placed on the lower left (as shown in Figure 2A ) and the third character incomplete appears through the fourth openings.
  • the second openings B2C and B2E are immobilized directly below the fourth openings 9C and 9E.
  • One of the pairs of segments Q2-Q2 'or Q3-Q3' may appear through the second openings (in the Figure 2A as we have seen, it is the pair Q2-Q2 'which appears). It will be understood that to indicate the number 2, it is necessary that the second bottom plate 13 is oriented so that the segments Q2 and Q2 'are placed directly under the first openings B2C and B2E.
  • an object of the invention was to simplify the operations necessary to bring a "big date" display device up to date following the end of a month of less than 31 days.
  • Figure 2A to the figure 2b the figure 3A to the figure 3B , the Figure 4A to the Figure 4B , and finally the Figure 5A to the Figure 5B , the passage to the first day of the month following this fact by a single jump of the first and second upper plate.
  • the Figures 2A and 2B show that the large date display device can pass without transition from the indication of the date 28 to that of the 1 by rotating the first upper plate 2 of a pitch in the counterclockwise direction and the second upper plate 12 of a not clockwise.
  • the Figures 3A and 3B show that the large date display device also makes it possible to pass without transition from the indication of the date 29 to that of the 1 by rotating the first upper plate 2 one step in the counterclockwise direction and the second upper plate 12 of one step clockwise.
  • the Figures 4A and 4B show that the large date display device still allows to go without transition from the date indication 30 to that of the 1 by rotating the first upper plate 2 of a pitch in the counterclockwise direction and the second upper plate 12 of one step clockwise.
  • Figures 5A and 5B show that the large-date display device makes it possible to pass without transition from the indication of the date 31 to that of the 1 without rotating the first upper plate 2, but only by advancing the second upper plate 12 by one step.
  • the first and second lower plates could carry whole numbers. Namely the numbers "8", “9” and “0” regularly spaced on the first lower plate and the numbers "2" and "3" on the second lower plate. Under these conditions, the eighth character of the first upper plate and the third character of the second upper plate could simply be absent and replaced each by an opening large enough to allow even fully a figure carried by the lower plate.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Electromechanical Clocks (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
EP14191899.5A 2014-11-05 2014-11-05 Dispositif d'affichage grande date pour pièce d'horlogerie Active EP3018537B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP14191899.5A EP3018537B1 (fr) 2014-11-05 2014-11-05 Dispositif d'affichage grande date pour pièce d'horlogerie
RU2015147304A RU2619734C2 (ru) 2014-11-05 2015-11-03 Устройство для отображения на часах даты знаками большого размера
US14/930,998 US9383723B2 (en) 2014-11-05 2015-11-03 Grand date display device for a timepiece
JP2015216434A JP6283339B2 (ja) 2014-11-05 2015-11-04 時計用グランドデイト表示デバイス
CN201510741803.7A CN105573097B (zh) 2014-11-05 2015-11-04 用于钟表的大日期显示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14191899.5A EP3018537B1 (fr) 2014-11-05 2014-11-05 Dispositif d'affichage grande date pour pièce d'horlogerie

Publications (2)

Publication Number Publication Date
EP3018537A1 EP3018537A1 (fr) 2016-05-11
EP3018537B1 true EP3018537B1 (fr) 2017-07-19

Family

ID=51862198

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14191899.5A Active EP3018537B1 (fr) 2014-11-05 2014-11-05 Dispositif d'affichage grande date pour pièce d'horlogerie

Country Status (5)

Country Link
US (1) US9383723B2 (ru)
EP (1) EP3018537B1 (ru)
JP (1) JP6283339B2 (ru)
CN (1) CN105573097B (ru)
RU (1) RU2619734C2 (ru)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2698529C1 (ru) * 2018-09-06 2019-08-28 Общество с ограниченной ответственностью "Константин Чайкин" Часы с календарём даты и набор из таких часов
EP3637198A1 (fr) * 2018-10-10 2020-04-15 Blancpain SA Affichage digital mecanique pour piece d'horlogerie

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
DE1673676B1 (de) * 1967-05-03 1972-05-31 Walter Dr Nissen Datumsanzeigevorrichtung
CH589881B5 (ru) * 1974-05-06 1977-07-29 Ebauches Bettlach Sa
JPS51880U (ru) * 1974-06-20 1976-01-06
CH688671B5 (fr) 1995-05-15 1998-07-15 Ulysse Nardin S.A. Mécanisme d`affichage du quantième.
CH695397A5 (fr) * 2002-04-15 2006-04-28 Richemont Int Sa Dispositif d'affichage du quantième.
EP1369753A1 (fr) * 2002-06-06 2003-12-10 Zenith International SA Pièce d'horlogerie à affichage du quantième
CN2560008Y (zh) * 2002-07-26 2003-07-09 杭州手表有限公司 钟表机械程序式日历装置
EP2073075A3 (fr) * 2003-04-02 2010-01-06 Ronda Ag Mécanisme d'affichage du quantième pour mouvement de montre
CH700720B1 (fr) * 2003-06-23 2010-10-15 Ronda Ag Engrenage pour mouvement de montre et mécanisme d'affichage du quantième muni d'un tel engrenage.
JP2005214836A (ja) * 2004-01-30 2005-08-11 Seiko Instruments Inc ２つの日車を含むカレンダ機構付き時計
JP4626972B2 (ja) * 2004-12-22 2011-02-09 セイコーインスツル株式会社 第一日車と第二日車とを含むカレンダ機構付き時計
JP4745918B2 (ja) * 2005-08-29 2011-08-10 セイコーインスツル株式会社 複数の日車によって日付を表示するカレンダ機構付き時計
FR2893726B1 (fr) * 2005-11-21 2008-01-18 Sylvain Boileau Mecanisme d'affichage du quantieme pour pieces d'horlogerie
EP2154584B1 (fr) * 2008-08-11 2011-03-02 Blancpain S.A. Mécanisme de quantième à grande date pour pièce d'horlogerie
CH702080A2 (fr) * 2009-10-28 2011-04-29 Bethune Sa De Affichage digital pour mouvements d'horlogerie mécaniques.

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
CN105573097B (zh) 2017-12-12
US20160124386A1 (en) 2016-05-05
JP6283339B2 (ja) 2018-02-21
JP2016090585A (ja) 2016-05-23
US9383723B2 (en) 2016-07-05
CN105573097A (zh) 2016-05-11
RU2015147304A (ru) 2017-05-11
RU2619734C2 (ru) 2017-05-17
EP3018537A1 (fr) 2016-05-11

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