EP1916575A1 - Jahreskalendermechanismus für Uhrwerk - Google Patents

Jahreskalendermechanismus für Uhrwerk Download PDF

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Publication number
EP1916575A1
EP1916575A1 EP06122850A EP06122850A EP1916575A1 EP 1916575 A1 EP1916575 A1 EP 1916575A1 EP 06122850 A EP06122850 A EP 06122850A EP 06122850 A EP06122850 A EP 06122850A EP 1916575 A1 EP1916575 A1 EP 1916575A1
Authority
EP
European Patent Office
Prior art keywords
date
ring
mobile
wheel
teeth
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.)
Granted
Application number
EP06122850A
Other languages
English (en)
French (fr)
Other versions
EP1916575B1 (de
Inventor
Loïc Pellaton
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 Manufacture Horlogere Suisse
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
Priority to AT06122850T priority Critical patent/ATE418093T1/de
Application filed by ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to DE602006004357T priority patent/DE602006004357D1/de
Priority to EP06122850A priority patent/EP1916575B1/de
Priority to KR1020070105452A priority patent/KR20080036926A/ko
Priority to SG200717106-9A priority patent/SG142272A1/en
Priority to JP2007273596A priority patent/JP5078542B2/ja
Priority to CN2007101674374A priority patent/CN101169620B/zh
Priority to US11/923,337 priority patent/US7535802B2/en
Publication of EP1916575A1 publication Critical patent/EP1916575A1/de
Priority to HK08111280.8A priority patent/HK1119466A1/xx
Application granted granted Critical
Publication of EP1916575B1 publication Critical patent/EP1916575B1/de
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
    • G04B1/00—Driving mechanisms
    • 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
    • G04B19/2536—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 automatically corrected at the end of months having less than 31 days
    • 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
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously

Definitions

  • the present invention relates to the field of watchmaking. It relates more specifically to an annual calendar mechanism for equipping a mechanical or electromechanical watch.
  • Such mechanisms are known to those skilled in the art. They make it possible to go from date 31 to date 1, the 31-day month, and from date 30 to date 1, months of less than 31 days. They conventionally comprise a date ring equipped with 31 teeth, operated once a day and in steps, by a date wheel. They are, in addition, generally provided with an additional mechanism for actuating said date ring a second time to the passage of the date 30 to 31, months of less than 31 days.
  • Such a date mechanism is disclosed in the application EP 04028561.1 . It comprises an annual mobile and a mobile reminder forming with the date ring and the date mobile, two kinematic chains originating from the date mobile.
  • the annual mobile consists of a wheel and a board with 5 pins corresponding to 5 months of less than 31 days.
  • the deflection wheel consists of a first wheel cooperating in two stages with a lug located on the date ring, and a second wheel cooperating with the wheel of the annual mobile.
  • the date wheel drives the date ring once a day with the aid of a first nose coming into contact with one of its 31 teeth.
  • the lug located on the date ring meshes with the moving wheel and drives it a first step.
  • the returning mobile then drives itself the annual mobile of a first step.
  • the current month is a month of 30 days
  • one of the five pins on the annual mobile board is in the path of a second beak of the date wheel.
  • This one causes the annual motive of a second step, which itself involves a second step the mobile of return.
  • the latter then drives the date ring by one step, via its lug.
  • the date goes from 31 to 1 and the lug is cleared.
  • no lug comes into contact with the second spout of the date wheel.
  • the date wheel performs a complete revolution before driving the date ring normally for the passage from the date 31 to the date 1.
  • the pin of the date ring causes a second step, the moving wheel, which drives himself the annual motive of a second step.
  • the spur is clear.
  • a month indicator disc is secured to the annual mobile. As the latter turns a first time at the passage of the 30th to 31st and a second time at the passage of the 31st to 31st, each month appears twice on the indicator disc of the months, and occupies an angular sector of a 24 th of a turn . The display of the month is, therefore, relatively small.
  • a disc indicating the months is secured to a star mounted free to rotate on the mobile months, and a third wheel is mounted integral with the return mobile. The star is actuated by the third wheel of the deflection wheel, only during the second step of the return wheel.
  • each month appears only once on the indicator disk of the months and occupies an angular sector of a 12 th of a turn. Therefore, the display is larger than in the previous embodiment.
  • this advantage is counterbalanced by the fact that the mechanism comprises additional parts to increase its thickness.
  • the date mechanism takes place, in a watch case, between the movement and the dial.
  • the thickness of the date mechanism is important compared to that of the movement, the winding stem and the crown are eccentric vertically on the side of the box, which is unsightly and inconvenient.
  • the present invention makes it possible to limit this disadvantage by proposing a date mechanism of the type described in the application. EP 04028561.1 but of reduced thickness.
  • the mechanism further comprises a month indicator ring cooperating with the defective mobile, the return mobile being arranged to rotate the ring months at least the second step.
  • the thickness of the date mechanism according to the invention is reduced, at least, the thickness of the indicator disc of the months.
  • the date mechanism shown in FIG. 1 conventionally comprises a date ring 10 of axis AA, a date mobile 12 intended to drive the date ring 10, an annual mobile 14 coaxial with the date ring 10 and a return wheel 16, together forming two kinematic chains originating from the date mobile 12.
  • the assembly is mounted on the upper face of a plate 18, provided with a bridge 20.
  • the date ring 10 is positioned angularly by a not shown jumper, mounted on the bridge 20. It conventionally comprises an annular portion 22 bearing the inscriptions of the visible dates through a window 24 made in a dial 26. It further comprises a substantially cylindrical portion 28 provided with a lug 30 in an upper stage, and 31 teeth 32, corresponding to the 31 calendars, in a lower stage.
  • the annular portions 22 and cylindrical 28 are interconnected rigidly by a substantially annular intermediate portion 34 forming a recess with the annular portion 22. The function of the intermediate portion 34 will be better understood in the remainder of this presentation.
  • the date ring 10 is driven once a day and by a step, by the mobile date wheel 12.
  • the latter carries out a revolution in 24 hours, and draws the driving force acting on it from a kinematic chain driven by a movement belonging to a timepiece, the last link is formed by a wheel hours 36. It comprises a toothed wheel 38, one of whose teeth, longer than the others, forms a spout 40 cooperating with the teeth 32.
  • the date mobile further comprises an additional piece 42 equipped with a finger 44 cooperating with the annual mobile 14 to train one step at the end of each month with less than 31 days.
  • the annual mobile 14 is formed of an annual wheel 46 to 24 teeth, integral with a circular board 48 having 5 pins 50 corresponding to the five months of less than 31 days.
  • the lugs 50 are distributed angularly around the board 48 so as to reflect the distribution of months of less than 31 days in the year.
  • the annual mobile 14 is driven by the date mobile 12, with the lugs 50, when one of them is in the path of the finger 44, as explained later.
  • the deflection wheel 16 is engaged with the annual wheel 46. Moreover, it is disposed in the path of the lug 30 so as to cooperate in two stages with it, at the passage of the dates 30 to 31 and then 31 to 1. It has an alternation of thick teeth and thin teeth, the latter being marked by a point in Figures 2 to 7. It can be made of metal by machining, or plastic material, by injection, in order to reduce the cost. It should be noted that, as an alternative to the one-piece deflection wheel 16, it is possible to use a deflection wheel formed of a first wheel comprising an even number of teeth and a second wheel secured to the first wheel and comprising half fewer teeth.
  • the date mechanism also comprises, according to the invention, a month indicator ring 52, on which are affixed the names of the twelve months of the year visible through the window 24. Each month occupies, on the ring 52, a angular sector of a 12 th of a turn.
  • the ring 52 is, furthermore, provided on its inner side with 12 teeth 54 directed towards its center of symmetry, designed to cooperate with the return wheel 16. It is mounted coaxially with the date ring 10, which is free in rotation, and extends above the intermediate portion 34 of the date ring 10.
  • the arrangement of the ring 52 and the return wheel 16 is such that only the thick teeth can cooperate. with the teeth 54 of the indicator ring 52. The thin teeth pass under the teeth 54 without driving it.
  • the indicator ring of the months 52 is positioned angularly by a not shown jumper, mounted on the bridge 20. It will be noted, as can be seen in FIG. 1, that the indicator ring of the months 52 being disposed above the intermediate portion 34 of the date ring 10, substantially in the same plane as the annular portion 22, it does not come in extra thickness of the different mobiles. In addition, the star and the third wheel of the mobile referral present in the request EP 04028561.1 are, thanks to this arrangement, suppressed. This results in a gain in thickness and considerable complexity.
  • the date mobile 12 forms with the date ring 10, the return wheel 16 and the annual mobile 14 a first kinematic chain I, starting from the date mobile 12 and ending in the annual mobile 14, via the ring of date 10 and the idler wheel 16, and a second kinematic chain It starting from the date mobile 12 and ending in the date ring 10 via the annual mobile 14 and the idler wheel 16.
  • the date mechanism described above is intended to equip a mechanical or electromechanical watch powered by a source of electrical energy. Its operation will be detailed with reference to FIGS. 2 to 4 and then 5 to 7, illustrating the passage from date 30 to date 1 respectively for a month of less than 31 days, then for a month of 31 days.
  • Figure 2 illustrates the situation of the date mechanism according to the invention on April 30 at 23:55.
  • the date displayed is April 30th.
  • the spout 40 of the date mobile 12 comes into contact with a tooth 32a of the date ring 10 it is about to lead a step.
  • the lug 30 of the date ring 10 is located in the immediate vicinity of the return wheel 16, which it is about to lead a step.
  • a tooth 54a of the month indicator ring 52 is engaged with the idler wheel 16, so that the next active tooth of the idler wheel 16 is a thin tooth referenced ⁇ .
  • ⁇ , ⁇ , ⁇ and ⁇ refer to the following teeth of the idler wheel 16.
  • FIG 4 illustrates the mechanism of the position on May 1 at 3:00.
  • the finger 44 has driven a second step the annual mobile 14, which itself has driven a second step the return wheel 16.
  • This has driven the date ring 10 via the 30, and the indicator ring of month via tooth 54a, using the thick tooth ⁇ .
  • the lug 30 is released, and the date displayed is May 1 st .
  • a tooth 54b is now engaged with the return wheel 16.
  • this second phase of the change of date it is the kinematic chain It which intervened.
  • Figure 5 illustrates the situation of the date mechanism on May 30 at 23:55.
  • the date displayed is May 30th.
  • the spout 40 of the date mobile 12 comes into contact with the tooth 32a of the date ring 10 it is about to lead a step.
  • the lug 30 of the date ring 10 is located in the immediate vicinity of the return wheel 16, which it is about to lead a step.
  • the tooth 54b of the month indicator ring 52 is engaged with the idler wheel 16, so that the next active tooth of the idler wheel 16 is a thin tooth referenced ⁇ . Note that the annual wheel positions 14, the intermediate wheel 16 and month indicator ring 52 are unchanged from May 1 to 3:00.
  • the situation of the mechanism on May 31 at 23:55 is illustrated in FIG. 6.
  • the date ring 10 has turned one step.
  • the lug 30 of the date ring 10 has driven a first step the return wheel 16.
  • the latter has not driven the month indicator ring 42, since the thin tooth ⁇ is passed under the tooth 54b
  • the date displayed is 31 May.
  • the tooth 54b is still engaged with the return wheel 16, but the next active tooth is a thick tooth referenced ⁇ .
  • the deflection wheel 16 has driven the annual moving wheel 14 at a first step, but no lug 50 has been in the path of the finger 44, so that the date wheel 12 has carried out a complete revolution. without causing a second step the annual mobile 14.
  • the spout 40 of the date mobile 12 now comes into contact with a tooth 32b of the date ring 10. It will be noted that during this first phase of the change of date, it is the kinematic chain I which has been solicited.
  • FIG. 7 illustrates the situation of the calendar mechanism on 1 June at 0:10.
  • the date ring 10 Under the action of the date mobile 12, the date ring 10 has turned one step.
  • the lug 30 of the date ring 10 has driven a second step the return wheel 16.
  • the latter has driven the month indicator ring 42 through the tooth 54b, using the thick tooth ⁇ .
  • the date displayed is June 1 st .
  • a tooth 54c is now engaged with the return wheel 16, and the next active tooth is a thin tooth referenced ⁇ .
  • the return wheel 16 has, moreover, resulted in a second step the annual mobile 14, but no lug 50 is in the path of the finger 44.
  • this second phase of the change of date it is the same kinematic chain I that intervened.
  • FIG. 8 shows a variant of the date mechanism according to the invention.
  • the mechanism illustrated in FIG. 8 differs from the mechanism described above in that it comprises a return wheel 56 comprising only teeth of the same thickness, and in that the indicator ring of the months 52 comprises 24 teeth 54, each of twelve months being affixed twice.
  • each of the teeth of the return wheel 56 cooperates with the 24 teeth 54 of the ring 52, at each step performed by the return wheel 56.
  • This embodiment simplifies the manufacture of the wheel 56, the alternation of thick teeth and thin teeth being complex and expensive compared to a single thickness of teeth.
  • Figure 9 illustrates the situation of this variant of the date mechanism according to the invention on April 30 at 23:55.
  • the date displayed is April 30, the first entry of the month of April being visible through the window 24.
  • the general configuration of the mechanism is similar to the configuration illustrated in Figure 2, with the difference that a tooth 54a of the month indicator ring 52 is engaged with the return wheel 56, whose teeth are all the same thickness.
  • FIG. 10 The situation of the mechanism on May 1 at 1:30 is illustrated in Figure 10.
  • the drive train I was asked and different mobiles have rotated one step.
  • the situation is similar to the situation illustrated in FIG. 3, except that the tooth ⁇ has dragged the indicator ring of the months 52 one step.
  • the date displayed is April 31, but it is now the second entry of April which is visible through the window 24.
  • a tooth 54b is now engaged with the return wheel 56.
  • FIG 11 illustrates the mechanism of the position on May 1 at 3:00.
  • the driveline It intervened and the various mobiles turned again of a step.
  • the displayed date is May 1, and a tooth 54c is now meshed with intermediate wheel 56.
  • Figure 12 illustrates the situation of the date mechanism on May 30 at 23:55.
  • the date displayed is May 30, the first entry of May being visible through the window 24.
  • the general configuration of the mechanism is similar to the configuration illustrated in Figure 5, with the difference that a tooth 54c of the ring month indicator 52 is engaged with the intermediate wheel 56.On noted that the annual wheel positions 14, the intermediate wheel 56 and month indicator ring 52 are unchanged from May 1 to 3:00.
  • FIG 14 shows the situation of the calendar mechanism on 1 June at 0:10.
  • the driveline I intervened a second time and the various mobiles turned again a step.
  • the displayed date is June 1, and a tooth 54e is now meshed with intermediate wheel 56.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Calculators And Similar Devices (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Stringed Musical Instruments (AREA)
EP06122850A 2006-10-24 2006-10-24 Jahreskalendermechanismus für Uhrwerk Active EP1916575B1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE602006004357T DE602006004357D1 (de) 2006-10-24 2006-10-24 Jahreskalendermechanismus für Uhrwerk
EP06122850A EP1916575B1 (de) 2006-10-24 2006-10-24 Jahreskalendermechanismus für Uhrwerk
AT06122850T ATE418093T1 (de) 2006-10-24 2006-10-24 Jahreskalendermechanismus für uhrwerk
SG200717106-9A SG142272A1 (en) 2006-10-24 2007-10-19 Annual calendar mechanism for a timepiece
KR1020070105452A KR20080036926A (ko) 2006-10-24 2007-10-19 시계용 애뉴얼 캘린더 메커니즘
JP2007273596A JP5078542B2 (ja) 2006-10-24 2007-10-22 時計用の年間カレンダ機構
CN2007101674374A CN101169620B (zh) 2006-10-24 2007-10-24 钟表的年历机构
US11/923,337 US7535802B2 (en) 2006-10-24 2007-10-24 Annual calendar mechanism for a timepiece
HK08111280.8A HK1119466A1 (en) 2006-10-24 2008-10-13 Annual calendar mechanism for a timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06122850A EP1916575B1 (de) 2006-10-24 2006-10-24 Jahreskalendermechanismus für Uhrwerk

Publications (2)

Publication Number Publication Date
EP1916575A1 true EP1916575A1 (de) 2008-04-30
EP1916575B1 EP1916575B1 (de) 2008-12-17

Family

ID=38179654

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06122850A Active EP1916575B1 (de) 2006-10-24 2006-10-24 Jahreskalendermechanismus für Uhrwerk

Country Status (9)

Country Link
US (1) US7535802B2 (de)
EP (1) EP1916575B1 (de)
JP (1) JP5078542B2 (de)
KR (1) KR20080036926A (de)
CN (1) CN101169620B (de)
AT (1) ATE418093T1 (de)
DE (1) DE602006004357D1 (de)
HK (1) HK1119466A1 (de)
SG (1) SG142272A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2843483A1 (de) * 2013-08-27 2015-03-04 Manufacture et fabrique de montres et chronomètres Ulysse Nardin Le Locle SA Datumsmechanismus
FR3104748A1 (fr) 2019-12-12 2021-06-18 Laurent MAZOUNIE Quantième annuel simplifié

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5181133B2 (ja) * 2008-11-28 2013-04-10 セイコーインスツル株式会社 月車と日車を備えたカレンダ機構付き時計
JP4952778B2 (ja) * 2009-12-08 2012-06-13 カシオ計算機株式会社 日付表示装置
EP2515186B1 (de) * 2011-04-20 2014-06-11 Cartier Création Studio S.A. Gear-train for timepiece
JP6091942B2 (ja) * 2012-08-01 2017-03-08 セイコーインスツル株式会社 カレンダ機構並びに該機構を備えたムーブメント及びカレンダ時計
EP3173878B1 (de) * 2015-11-26 2021-05-26 Rolex Sa Kalendersystem für uhr
EP3173876B1 (de) * 2015-11-26 2020-09-02 Rolex Sa Kalendersystem für uhr
EP3173877B1 (de) 2015-11-26 2019-10-16 Rolex Sa Kalendersystem für uhr
EP3327516B1 (de) * 2016-10-27 2019-11-27 Blancpain SA Mechanismus zur anzeige der zeit- oder jahreszeitenperiode
CN108227454B (zh) * 2016-12-22 2023-05-26 天津海鸥表业集团有限公司 一种钟表的双层日历机构
EP3499317B1 (de) * 2017-12-13 2024-08-21 Rolex Sa Triebfeder eines kalender-uhrwerksmechanismus
EP3696617B1 (de) * 2019-02-14 2023-07-05 Glashütter Uhrenbetrieb GmbH Monats- und schaltjahr-anzeigemechanismus für uhr
EP3800513B1 (de) * 2019-10-04 2023-08-09 ETA SA Manufacture Horlogère Suisse Uhr, die am/pm-anzeigemittel umfasst
EP3926417A1 (de) * 2020-06-18 2021-12-22 ETA SA Manufacture Horlogère Suisse Armbanduhr mit einstellung des jahreskalenders und entsprechendes verfahren

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1251412A1 (de) * 2001-04-18 2002-10-23 Progress Watch AG Kalendermechanismus
EP1666991A1 (de) * 2004-12-02 2006-06-07 ETA SA Manufacture Horlogère Suisse Jährlicher Kalendermechanismus für eine Uhr

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
CH538137A (fr) * 1971-04-07 1972-12-29 Kocher Aeschbacher Hans Montre à quantième
JPS5137265A (de) * 1974-09-25 1976-03-29 Citizen Watch Co Ltd
US4228644A (en) * 1977-11-16 1980-10-21 Citizen Watch Co., Ltd. Display device for calendar timepieces
JPS6047991B2 (ja) * 1977-11-24 1985-10-24 シチズン時計株式会社 カレンダ時計
CH684815B5 (fr) * 1993-07-15 1995-07-14 Longines Montres Comp D Mécanisme de quantième annuel pour pièce d'horlogerie.
CH688706B5 (fr) * 1995-07-28 1998-07-31 Longines Montres Comp D Mécanisme de quantième annuel pour pièce d'horlogerie.
US6108278A (en) * 1998-09-11 2000-08-22 Frederic Piguet S.A. Annual calendar mechanism for clockwork movement
EP1471396A1 (de) * 2003-04-25 2004-10-27 Frédéric Crettex Datumanzeigemechanismus für eine Uhr
EP1596261B1 (de) * 2004-05-14 2007-08-01 Rolex S.A. Jährlicher Kalendermechanismus für Uhrwerk

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1251412A1 (de) * 2001-04-18 2002-10-23 Progress Watch AG Kalendermechanismus
EP1666991A1 (de) * 2004-12-02 2006-06-07 ETA SA Manufacture Horlogère Suisse Jährlicher Kalendermechanismus für eine Uhr

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2843483A1 (de) * 2013-08-27 2015-03-04 Manufacture et fabrique de montres et chronomètres Ulysse Nardin Le Locle SA Datumsmechanismus
FR3104748A1 (fr) 2019-12-12 2021-06-18 Laurent MAZOUNIE Quantième annuel simplifié

Also Published As

Publication number Publication date
ATE418093T1 (de) 2009-01-15
EP1916575B1 (de) 2008-12-17
DE602006004357D1 (de) 2009-01-29
SG142272A1 (en) 2008-05-28
JP2008107350A (ja) 2008-05-08
US20080094941A1 (en) 2008-04-24
CN101169620B (zh) 2010-12-01
JP5078542B2 (ja) 2012-11-21
KR20080036926A (ko) 2008-04-29
US7535802B2 (en) 2009-05-19
HK1119466A1 (en) 2009-03-06
CN101169620A (zh) 2008-04-30

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