EP1734418A1 - Uhr - Google Patents

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Publication number
EP1734418A1
EP1734418A1 EP05405381A EP05405381A EP1734418A1 EP 1734418 A1 EP1734418 A1 EP 1734418A1 EP 05405381 A EP05405381 A EP 05405381A EP 05405381 A EP05405381 A EP 05405381A EP 1734418 A1 EP1734418 A1 EP 1734418A1
Authority
EP
European Patent Office
Prior art keywords
time
dial
time zones
zones
display
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.)
Withdrawn
Application number
EP05405381A
Other languages
English (en)
French (fr)
Inventor
Carlos Dias
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.)
Manufacture Roger Dubuis SA
Original Assignee
Manufacture Roger Dubuis 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 Manufacture Roger Dubuis SA filed Critical Manufacture Roger Dubuis SA
Priority to EP05405381A priority Critical patent/EP1734418A1/de
Priority to AT06741638T priority patent/ATE555425T1/de
Priority to EP06741638A priority patent/EP1891487B1/de
Priority to US11/917,546 priority patent/US7483340B2/en
Priority to PCT/CH2006/000313 priority patent/WO2006133587A1/fr
Publication of EP1734418A1 publication Critical patent/EP1734418A1/de
Withdrawn legal-status Critical Current

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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
    • G04B19/02—Back-gearing arrangements between gear train and hands
    • G04B19/025—Back-gearing arrangements between gear train and hands for simultaneous indicating on several dials
    • 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
    • G04B19/23—Arrangements for indicating different local apparent times; Universal time pieces by means of additional hands or additional pairs of hands
    • G04B19/235—Arrangements for indicating different local apparent times; Universal time pieces by means of additional hands or additional pairs of hands mechanisms for correcting the additional hand or hands

Definitions

  • the present invention relates to a timepiece comprising a dial provided with means for simultaneous and simultaneous analog display of the respective times of several time zones, in which each of the twenty-four time zones is designated by at least one representative geographical location .
  • timepieces that allow to know the time corresponding to different time zones. Since the number of these timezones is twenty-four with one hour difference between the adjacent spindles, the available angle for the indication of a geographical location characteristic of each time zone is only 15 °. which is little to include the characteristic geographical indications, especially when it is about a wristwatch whose diameter is relatively small.
  • these discs with twenty-four time zones are generally associated with either an indication of 1 to 24 hours, which is not usual, especially in Anglo-Saxon countries where the time display is on a basis of 2x12 hours with the mentions AM and PM.
  • the problem is whether the time indicated in another time zone is AM or PM.
  • EP 1 321 831 a display comprising a disc for indicating the hours, another for indicating the time zone and a hand for indicating the minutes.
  • a pushbutton allows the time and time zone to be changed simultaneously in steps of one hour.
  • Such a timepiece thus makes it easy to change the time zone by observing the indication of the name of the characteristic geographic locations, but it allows to display only one time zone.
  • the disk of the names of the time zones is actuated by a twelfth of a step like that of hours, each time zone corresponds in reality to two time zones shifted by twelve hours relative to one another.
  • the object of the present invention is to make it possible to simultaneously display two time zones by substantially increasing the angle of the sector for the display of each of the twenty-four time zones.
  • the present invention relates to a timepiece according to claim 1.
  • the timepiece illustrated in FIG. 1 comprises a dial facing which two hands, hours 1 and 2, move.
  • This dial has two time indicators 3, 4 of two time zones. , identified by the name of one or more geographic locations representative of each time zone. Each of these time zones appears through a window 5, 6 through the dial of the timepiece. These indicators of time 3, 4 and these windows are aligned on a line diametric 3 hours 9 hours of the dial.
  • Each hour indicator has a scale from 1 to 12 and at its center is an indication of the daytime hours, formed by a white diametrical sector and an indication of the nocturnal hours, formed by the black complementary diametrical sector.
  • Each hour indicator of a time zone has two hands 7a, 8a, respectively 7b, 8b to indicate respectively the hour with the help of the needle 7a, 7b and if the indicated time corresponds to a day or night time or, in other words, whether it is a time called AM or PM according to the English name using the needles 8a, respectively 8b which is move in comparison with white or black sectors of the dials 3 and 4.
  • the needles 7a, 7b make two turns in twenty-four hours, while the needles 8a, 8b are only a ride during the same period.
  • FIG. 2 shows the two indicator discs 9, 10 of the two time zones appearing in the windows 5, respectively 6.
  • Each of these indicator discs 9, 10 has an internal toothing in engagement with a pinion 11, respectively 12.
  • FIG. 3 shows, by two broken lines 17, 18 connecting the centers of the mobiles concerned the unidirectional kinematic link between the two pinions 11, respectively 12 and the mobiles formed by stars 13, respectively 14, coaxial toothed mobile 15, respectively 16.
  • the stars 13, 14 are integral with the hour hand 7a, respectively 7b, while the coaxial gear wheels 15, 16 are secured respectively to the needles 8a, 8b.
  • Each kinematic chain 17, 18 is integral with a star wheel 19, respectively 20 and a mobile unidirectional transmission 21, respectively 22.
  • Each star mobile 19, 20 is associated with a ratchet time zone changeover latch 23, respectively 24.
  • the rocker 23 serves to drive the star wheel 19 in the direction of clockwise, while the latch 24 serves to drive the star wheel 20 in the opposite direction to that of the needles of a shows.
  • Each star wheel 19, 20 is integral with a gear wheel 25, respectively 26.
  • the gear wheel 25 meshes directly with the transmission wheel unidirectional 21, while the toothed wheel 26 meshes with the unidirectional transmission mobile 22 via a return 27, so that the two unidirectional transmission mobiles 21, 22 rotate in the same direction and each drive a gear wheel of which only the wheel 28 integral with the star 13 is visible in FIG.
  • a double reduction mobile 29 makes it possible to drive the toothed wheel 15 in a ratio 1/2 with respect to the wheel 28, integral with the axis bearing the hour hand 7a and the star 13.
  • An identical arrangement with a reduction gear 30 allows the unidirectional transmission 22 to drive the needles 7b, 8b.
  • any change of time zone controlled by one or the other of the latches 23, 24 causes the displacement in increments of a step, the star 19 or 20, which corresponds at a displacement of the indicator disk 9 or 10 of 30 ° corresponding to a time zone and simultaneously to the displacement of the needle 7a or 7b by one hour and that of the needle 8a or 8b of a twenty-fourth of circumference either 15 ° or a half step relative to the needles 7a, 7b.
  • any change of time zone causes the simultaneous change of the time corresponding to this time zone, indicated by one of the needles 7a, 7b and the displacement of a twenty-fourth circumference of the needle 8a or 8b indicating the daytime hours and nocturnal or AM and PM.
  • FIG. 4 illustrates the kinematic chain 31, passing through the centers of the mobile units concerned, between a mobile 32 of the driving timer wheel of the indicator hands 1, 2 of the hours and minutes of the local time, located in the center of the room timepieces and the stars 13, 14 integral with the axes carrying the hour indicator hands 7a, 7b of the two time zones selected by the latches 23, 24.
  • the mobile 32 of the clockwork gear meshes with a gear 33 engaged with a wheel 34 carrying a toothed sector 35.
  • This toothed sector is driven at a rate of one revolution per hour, engaged with each rotation with an internal tooth sector of a rake 36.
  • This rake 36 carries a pawl 36a for driving the star 13.
  • This rake 36 also has an outer toothed sector meshing with a return 37 associated with a spiral spring 38.
  • This return 37 is engaged with a second rake 39 which carries a pawl 39a for driving step by step the star 14 integral with the hour hand 7b.
  • the toothed sector 35 drives the rake 36 in the opposite direction to that of the clockwise. This angular displacement is transmitted to the rake 39 by the reference 37 which at the same time arms the spiral spring 38.
  • the spiral spring 38 expands by driving the two rakes 36 and 39 which lead with their respective pawls 36a, 39a the stars 13 and 14 of a step and the needles 8a, 8b of a twenty-fourth of circumference or a half step. Due to the presence of the unidirectional transmission mobiles 21, 22, the driving of the indicator members 7a, 7b, 8a, 8b of the hours of the two time zones is not transmitted to the pinions 11 and 12 for driving the disks 9 and 10 indication of time zones.
  • the time zone display mechanism further comprises two ratchet correction latches 40, 41 (FIG. 5) arranged to move steps 13 and 14 stepwise. These correction flip-flops 40, 41 are only used when setting in the initial stages of the timepiece and during the transition from summer time to winter time or vice versa, for countries where the time changes during the year.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
EP05405381A 2005-06-15 2005-06-15 Uhr Withdrawn EP1734418A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP05405381A EP1734418A1 (de) 2005-06-15 2005-06-15 Uhr
AT06741638T ATE555425T1 (de) 2005-06-15 2006-06-12 Uhr
EP06741638A EP1891487B1 (de) 2005-06-15 2006-06-12 Uhr
US11/917,546 US7483340B2 (en) 2005-06-15 2006-06-12 Timepiece
PCT/CH2006/000313 WO2006133587A1 (fr) 2005-06-15 2006-06-12 Piece d'horlogerie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05405381A EP1734418A1 (de) 2005-06-15 2005-06-15 Uhr

Publications (1)

Publication Number Publication Date
EP1734418A1 true EP1734418A1 (de) 2006-12-20

Family

ID=35520841

Family Applications (2)

Application Number Title Priority Date Filing Date
EP05405381A Withdrawn EP1734418A1 (de) 2005-06-15 2005-06-15 Uhr
EP06741638A Active EP1891487B1 (de) 2005-06-15 2006-06-12 Uhr

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP06741638A Active EP1891487B1 (de) 2005-06-15 2006-06-12 Uhr

Country Status (4)

Country Link
US (1) US7483340B2 (de)
EP (2) EP1734418A1 (de)
AT (1) ATE555425T1 (de)
WO (1) WO2006133587A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009121699A1 (fr) * 2008-04-02 2009-10-08 Glashütter Uhrenbetrieb GmbH Montre avec affichage de fuseaux horaires

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007206955A (ja) * 2006-02-01 2007-08-16 Sony Corp 情報処理装置および方法、プログラム、並びに記録媒体
JP5336469B2 (ja) * 2007-04-11 2013-11-06 エテルナ・アクチエンゲゼルシャフト・ウレンファブリク タイムゾーン表示部を有する時計
JP4595977B2 (ja) * 2007-09-20 2010-12-08 カシオ計算機株式会社 文字板および電子機器
US20130322218A1 (en) * 2012-05-29 2013-12-05 Wolfgang Burkhardt World Time Timepiece
EP2680091B1 (de) * 2012-06-26 2015-04-22 Blancpain SA. Weltzeituhr
GB2504735B (en) * 2012-08-08 2014-09-17 Richard George Hoptroff Method of pointer collision avoidance in timepieces
DE102014011430A1 (de) * 2014-08-01 2016-02-04 Matthias Fechner Analoge Uhr
JP1599798S (de) * 2016-11-02 2018-03-19
EP3599520B1 (de) * 2018-07-26 2021-05-05 ETA SA Manufacture Horlogère Suisse Verfahren zum wechseln des stundenanzeigemodus einer elektronischen armbanduhr zur analoganzeige, und entsprechende armbanduhr

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5323363A (en) * 1992-06-18 1994-06-21 Tiffany And Company Timepiece with simultaneous time display for at least two time zones
EP1321831A1 (de) * 2001-12-13 2003-06-25 Frédéric Piguet S.A. Uhr mit springenden Stunden und Mechanismus zum schnellen Wechsel von Zeitzonen
EP1413934A1 (de) * 2002-10-22 2004-04-28 ETA SA Manufacture Horlogère Suisse Uhr mit analoger Anzeigevorrichtung, die mit einer Tag-Nacht-Anzeigevorrichtung zusammenwirkt
EP1462876A1 (de) * 2003-03-28 2004-09-29 Manufacture Roger Dubuis S.A. Uhr mit einer Vorrichtung zur Anzeige von zwei Zeitzonen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1933049B2 (de) * 1969-06-30 1971-09-30 Durowe Gmbh, 7530 Pforzheim Weltzeituehr
JPS4924696B1 (de) * 1970-02-27 1974-06-25
CH657007GA3 (de) * 1984-08-23 1986-08-15 Tissot Sa
IT212264Z2 (it) * 1987-12-28 1989-07-04 Fini Giuseppe E Zoli Armando Orologio dotato di mezzi per l'indicazione della ora di fusi orari diversi
DE3832514C1 (de) * 1988-09-24 1989-11-02 Iwc International Watch Co. Ag, Schaffhausen, Ch
US6134186A (en) * 1999-11-10 2000-10-17 Jang; Huei-Lung Multi-area clock or watch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5323363A (en) * 1992-06-18 1994-06-21 Tiffany And Company Timepiece with simultaneous time display for at least two time zones
EP1321831A1 (de) * 2001-12-13 2003-06-25 Frédéric Piguet S.A. Uhr mit springenden Stunden und Mechanismus zum schnellen Wechsel von Zeitzonen
EP1413934A1 (de) * 2002-10-22 2004-04-28 ETA SA Manufacture Horlogère Suisse Uhr mit analoger Anzeigevorrichtung, die mit einer Tag-Nacht-Anzeigevorrichtung zusammenwirkt
EP1462876A1 (de) * 2003-03-28 2004-09-29 Manufacture Roger Dubuis S.A. Uhr mit einer Vorrichtung zur Anzeige von zwei Zeitzonen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009121699A1 (fr) * 2008-04-02 2009-10-08 Glashütter Uhrenbetrieb GmbH Montre avec affichage de fuseaux horaires
JP2011516845A (ja) * 2008-04-02 2011-05-26 グラッシュッター ウーレンベトリーブ ゲーエムベーハー タイムゾーンディスプレイを有する時計
CN101983360B (zh) * 2008-04-02 2012-12-19 格拉舒特钟表厂有限责任公司 带时区显示的手表
US8339900B2 (en) 2008-04-02 2012-12-25 Glashütter Uhrenbetrieb GmbH Watch with time zone display

Also Published As

Publication number Publication date
ATE555425T1 (de) 2012-05-15
US7483340B2 (en) 2009-01-27
EP1891487B1 (de) 2012-04-25
EP1891487A1 (de) 2008-02-27
US20080198696A1 (en) 2008-08-21
WO2006133587A1 (fr) 2006-12-21

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