EP1777598B1 - Uhr mit einem Mechanismus zur Messung von einstellbaren vorbestimmten Zeitdauern - Google Patents

Uhr mit einem Mechanismus zur Messung von einstellbaren vorbestimmten Zeitdauern Download PDF

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Publication number
EP1777598B1
EP1777598B1 EP05405596A EP05405596A EP1777598B1 EP 1777598 B1 EP1777598 B1 EP 1777598B1 EP 05405596 A EP05405596 A EP 05405596A EP 05405596 A EP05405596 A EP 05405596A EP 1777598 B1 EP1777598 B1 EP 1777598B1
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EP
European Patent Office
Prior art keywords
timer
timepiece
wheel
movement
timers
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
EP05405596A
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English (en)
French (fr)
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EP1777598A1 (de
Inventor
Nicolas Bonvin
Adrien Frédéric Farron
Denis Rudaz
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.)
Rolex SA
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Rolex 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 Rolex SA filed Critical Rolex SA
Priority to DE05405596T priority Critical patent/DE05405596T1/de
Priority to EP05405596A priority patent/EP1777598B1/de
Priority to US11/538,516 priority patent/US7293911B2/en
Priority to CN2006101355105A priority patent/CN1952812B/zh
Priority to JP2006286595A priority patent/JP5319059B2/ja
Publication of EP1777598A1 publication Critical patent/EP1777598A1/de
Priority to HK07104962.9A priority patent/HK1098834A1/xx
Application granted granted Critical
Publication of EP1777598B1 publication Critical patent/EP1777598B1/de
Active legal-status Critical Current
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F3/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork
    • G04F3/02—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork with mechanical driving mechanisms
    • G04F3/022—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork with mechanical driving mechanisms using mechanical signalling device
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0804—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms
    • G04F7/0809—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms with single hammers, i.e. one hammer acts on each counter
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0842—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms
    • G04F7/0847—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with column wheel

Definitions

  • the present invention relates to a timepiece provided with a mechanism for measuring adjustable predetermined durations, comprising a first counter, means for selectively connecting it to the timepiece's work train, a second counter, a synchronous connection. between the first and the second counter and means for returning to the starting position of said counters.
  • Counters of this type are used in particular to control the start of regattas where competitors are notified a few minutes in advance of the time of departure by a cannon.
  • a second cannon shot is again fired to indicate the middle of the time between the first and third shots that will give the start.
  • This second shot allows the competitors to check if they are in phase with the official time. In general this duration is ten or six minutes so that the second shot is fired exactly at half-time to five, respectively three minutes.
  • a counter of this type has already been proposed in the CH 692 523 . It has openings in the dial and a disc with different areas of color that appear under the openings and moves for the duration of the measurement. Such a device does not include an indication of the seconds and does not allow correction to be made in case the meter has not been engaged at the right time, nor to program the countdown time interval.
  • the minute counter does not stop at zero, but continues its retrograde movement until it is stopped.
  • the object of the present invention is to overcome, at least in part, these disadvantages.
  • the subject of the present invention is a timepiece provided with a measuring mechanism of adjustable predetermined duration according to claim 1.
  • the timepiece according to the invention allows the programming of the measured duration and the maintenance of this programming, each reset to the starting position until this programming has not been changed.
  • the counting mechanism may be re-synchronized by user action from an external time base at any time during the measurement of the predetermined duration. This possibility is important since it makes it possible to correct any error made during the triggering of the predetermined duration measurement, as well if it is a question of correcting a delay or an advance. This possibility of re-synchronization has the advantage of being able to re-synchronize the counter accurately to the second shot before the start of a regatta.
  • the second counter which is preferably the minute counter, is stopped at the end of the predetermined duration measured, while the first counter, which is preferably the seconds counter, continues its course until we stop him. This can include counting the time elapsing from the start of the regatta.
  • the mechanism illustrated by the figure 1 comprises a control rod 1 secured to an actuating ring in rotation, like a winding stem and two pushers 2 and 3.
  • the pusher 2 is engageable with the ratchet toothing a column wheel 8 via a ratchet lever 14 and serves for the on / off control of the counter mechanism.
  • the pusher 3 is the push button for resetting and re-synchronizing the mobiles of the counters 4 and 5, integral with the seconds hand 4 ', respectively of the minute hand 5'.
  • the action of the pusher 3 is transmitted to two reset cams 11, respectively 9 by two hammers reset starting position 13, respectively 13 '.
  • the hammer 13 ' is articulated to the hammer 13 and is engaged with a sliding member 13a pressed against the column wheel 8 by a spring 13b, for the purpose that will be explained later.
  • the reset cam 9 must be shaped so that the pressure exerted by the hammer 13 'during the reset, always make it rotate in the direction S1 for the reason that will be explained by the after.
  • the mobile 4 of the first seconds counter 4 ' meshes on the one hand with a mobile 11' secured to the reset cam 11 and on the other hand, with a mobile 16 whose pinion meshes with a wheel 7 mounted freely on the axis 6 'of a wheel 6 and a 6 "spiral cam, integral with this axis 6', which is still integral with a unidirectional connecting element 6a concentric with a unidirectional connecting element 7a solidaire of the wheel 7.
  • the wheel 7 rotates in the direction S2, it drives the axis 6', and the utility of this unidirectional drive will be explained later.
  • the axis 6 'and the unidirectional connecting element 6a rotate in the direction of rotation S2, they are free with respect to the wheel 7 and the latter can rotate freely in the direction S1 with respect to the axis 6 '.
  • the mobile 5 of the second minute counter constituted by a needle 5 'and a graduation (not shown), is engaged with the toothed sector of a rake lever 10 pressed against the spiral cam 6 "by a spring 10' , by means of a roller 10 "which transmits the pressure of the spring 10 'to this spiral cam 6" creating a torque tending to rotate, and the wheel 6 also integral with the axis 6', in the direction S1, this wheel 6 meshes with an adjustment wheel 9 "which is connected to the reset cam in the starting position 9 integral with a star 9a, positioned by a detent member 9 ', making it possible to modify the angular position of the adjusting wheel 9 "relative to that of the reset cam 9, in increments of one step of the star 9a, when it is immobilized by the hammer 13 '.
  • this adjusting wheel 9 "meshes with a return 15 via a sliding pinion 15 'pivoted freely on a rocker and which makes it possible to transmit the rotation of the return 15 to the wheel 9" only when this sliding pinion 15 'rotates in the direction S2.
  • This rotation is controlled by the manual control rod 1 via a pinion (not shown) coaxial and integral with the rod 1 and having a toothing of the same as that of a sliding pinion.
  • the pitch of the teeth of the star 9a for setting the duration to be measured preferably corresponds to one minute of the minute counter 5.
  • the return to the starting position of the minute counter 5 can only be done by rotating the spiral cam 6 "in the direction S 2.
  • the adjusting wheel 9" has a diameter bigger than that of the wheel 6, thus allowing the optimal realization from the energy point of view, the cam 9 to reset position.
  • a clutch device 12 of known type formed of two axially movable circular elements. and a spring 12 'which constantly tends to engage one with the other.
  • This clutch device is controlled on the one hand by a lever 26 applied by a spring 26 'against the columns of the column wheel 8 and on the other hand by a finger 13c integral with the hammer 13, the lever 26 and this finger 13c both acting against the force of the clutch spring 12 'to separate the circular elements of the clutch 12 from each other.
  • the essential purpose of the counter mechanism according to the invention is the counting of adjustable predetermined durations, intended to measure in particular the time preceding the start of an event, more particularly the start of a regatta, nothing would prevent this. mechanism to continue measuring the time from the start of the regatta.
  • the wheel 11 'selectively connected to the wheel of the timepiece T by the clutch 12 is integral with a disc having a drive finger 25.
  • the axis 6' integral with the wheel 6 and the spiral cam 6 is secured to a disc 20 provided with a recess 20 'whose angular position is adjusted to coincide with the stop position of the second counter 5.
  • a 21" end of a lever 21 is pressed by a spring 21 'against the edge of the disk 20.
  • This lever 21 is pivotally mounted on the axis of a wheel 22 of an auxiliary minute counter and carries a pinion 24 meshing with the wheel 22.
  • a jumper 23 serves to position this wheel 22.
  • a temporary locking device of the pusher 3 is provided.
  • This device is illustrated by the Figures 8 and 9 .
  • the pusher 3 is normally held in the position illustrated by the figure 8 by a spring 3a.
  • a piston 27 is slidably mounted in a ring 28 integral with a rotating bezel 29 of known type, mounted on the middle of box 30. This piston 27 is pressed against the pusher 3 by a spring 31.
  • the pusher 3 has a clearance 3b, so that when it is pushed into the housing and the rotating bezel 29 has previously been brought into the angular position illustrated by the Figures 8 and 9 where the axis of the piston 27 is concurrent with that of the pusher 3, the piston 27 is pushed into the recess 3b by the spring 31. To release it, it is sufficient to bring the telescope 29 back to its initial angular position, so that the piston 27 releases the pusher 3.
  • the telescope 29 When the telescope 29 is in the angular position illustrated by the figure 10 , allowing the locking of the pusher 3, it simultaneously makes it possible to neutralize the pusher 2, thus preventing the user from mistaking the pusher and starting the meter instead of performing the setting of the duration to be measured.
  • the ring 28 secured to the rotating bezel 27 has a semi-annular projection 28a which, during the rotation of the rotating bezel 27 in its position for locking the pusher 3 in the pushed position, enters a clearance 2a of the pushbutton 2, preventing its actuation.
  • the minute hand indicates the total time to be measured and once in operation, this needle then indicates constantly the remaining time until the end of the measured time.
  • the operation of the mechanism described above comprises different phases, namely: the setting of the duration to be measured, the start-up, the re-initialization or re-synchronization during operation, the stopping and the repositioning of departure of meters 4 and 5.
  • the rotating bezel 29 of the box must first be rotated to the position illustrated by the Figures 8, 9 and 10 , in which the pusher 2 on / off control is neutralized. Then it is necessary to press the reset pushbutton in the reset and re-synchronization position 3 to bring it into the position illustrated by the figures 1 and 10 in which it is held by the piston 27 and in which the hammers 13 and 13 'prevent the return cams 11 and 9 from rotating.
  • the counter To put the counter thus set in operation, it brings the rotating bezel 29 of the box in its inactive position, which has the effect of releasing the pushers 2 and 3 and the reset cams in starting position 9 and 11. Press the pusher 2 which rotates the column wheel 8 by means of the ratchet lever 14. The column wheel 8 releases the lever 26 which allows the clutch device 12 to connect the gear of the meter to that of the timepiece T.
  • the freewheel 7 synchronizes the counter 5 subjected to the force of the spring 10 'to the speed of rotation of the work train of the counter in kinematic connection with the wheel of the timepiece.
  • the force that the spring 10 'exerts on the wheel 6 and the unidirectional connecting element 6a at the same time makes it possible to keep the train of the meter under tension and to avoid the floating of the needles, resulting from the play of a gear that is not energized.
  • the force required for the winding of this spring 10 ' is not taken on the barrel spring of the timepiece, but this spring is manually armed, at each delivery of counters 4, 5 in starting position. Consequently, the drive of the measuring mechanism of the predetermined duration is caused by the disarming of the spring 10 'which restores the stored energy without resorting to the energy of the mainspring of the timepiece.
  • a first shot is fired, usually 10 minutes and in some cases 6 minutes before the start and a second shot is fired at half-time at 5 minutes, respectively 3 minutes before the third shot that indicates the start. It is often difficult to get the counter to go exactly at the first shot, which is not known exactly when it will be fired.
  • the competitor can more easily anticipate the moment when the second shot will be fired, since he knows that it is five minutes, respectively three minutes, after the first. He can read at that moment the gap between the start of his counter and the second shot to know how many seconds before or after the gun he started his meter.
  • the measuring mechanism of the timepiece solves this problem by giving the possibility of re-synchronizing the counter being measured.
  • the explanation of this new function is made with regard to the figure 4 .
  • the column wheel 8 raises and neutralizes the hammer 13 'as illustrated in this figure 4 .
  • the hammer 13 resets the needle 4 'of the first counter of seconds to zero, which has the effect of bringing the needle 5' of the second minute counter to the whole minute. closer.
  • the countdown is stopped, it restarts when the pusher 3 is released.
  • the moment when the pusher 3 is actuated should however not be greater than 30 seconds before the minute counter 5 arrives at the whole minute at which it should be drawn. the second shot, otherwise it will be brought back to the minute before the second shot should be fired, so that by releasing the pusher 3 to the gun, the minutes counter 5 would be one minute late.
  • the user can also exert a short pressure on the pusher 3 at the precise moment of the second shot. Since the hammer 13 'is neutralized, only the hammer 13 strikes the cam 11 secured to the wheel 11'. Simultaneously, the finger 13c disengages the clutch device 12 and thus allows the reset of the seconds counter 4. The user releases the pressure on the pusher 3 to allow the counters 4, 5 to resume their counting.
  • the wheel 7 is moved almost instantaneously in the direction S1 of an angle proportional to the ratio of gear. Given the unidirectional connection between the wheel 7 and the wheel 6 and the torque exerted on the latter in the direction S1 by the spring 10 ', the wheel 6 follows the almost instantaneous displacement of the wheel 7 and thus corrects the position of minute hand 5 '. If the correction of the seconds counter is done by quasi-instantaneous displacement of the wheel 11 'in the direction S1, the wheel 7 is then moved in the direction S2, that is to say that it recoils with respect to its normal direction of travel. Given the unidirectional drive between this wheel 7 and the wheel 6, the latter is also driven in the direction S2 against the torque exerted by the spring 10 ', thus raising the rake lever 10 along the cam 6 "and turn the minute hand 5 'in the direction S2.
  • the counter is stopped by pressing the on / off pushbutton 2 which turns the column wheel 8 causing the clutch device 12 to disengage and the counters 4 and 22 to stop.
  • Counters 4, 5 and 22 are started using push-button 3 and hammers 13, 13 '.
  • the reset hammer of the auxiliary minute counter 22 has not been shown, but is constituted by a third arm secured to the other two hammers. It is worth mentioning the fact that one automatically finds the duration to measure chosen by operating the reset position. If one wishes to change this duration, it suffices to perform the corresponding operation mentioned above.
  • the counting mechanism of a chosen duration is designed to allow to have its organs on the bridge side and the dial side, between which is the watch movement T.
  • Part, including the clutch 12 and the wheels 11, 4, 16 and 7 are located on the bridge side, while the rake lever 10, the wheel 6, the spiral cam 6 "and the pinion 5 of the minute counter are on the dial side.
  • the column wheel 8 and the hammers 13, 13 ' are located on both sides of the movement, the axis 6' connecting the wheel 6 to the unidirectional connecting element 6a working with the wheel 7 also traverses the movement, it can also be seen that the axis of the pinion 4 seconds counter is coaxial to the minute counter 5 gear, which allows reading the minutes and seconds on the same dial.
  • the unidirectional connecting device between the wheels 6 and 7 of this embodiment differs from that of the first embodiment essentially in that it comprises a ratchet gear 7a integral with the wheel 7 in engagement with a pawl 6b articulated on a disk 6a, integral with the axis 6 'and the wheel 6. If the embodiment is somewhat different from that of the first embodiment, the unidirectional connection principle is identical.

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

Claims (7)

  1. Uhr, die mit einem Mechanismus zur Messung vorbestimmter, einstellbarer Zeitdauern ausgerüstet ist, mit einem ersten Zähler (4), mit Mitteln (12) für dessen selektive Verbindung mit dem Räderwerk der Uhr (T), mit einem zweiten Zähler (5), mit einer synchronen Verbindung zwischen dem ersten (4) und zweiten (5) Zähler sowie mit Mitteln (13, 13', 9, 11) für eine Rückstellung der Zähler (4, 5) in deren Ausgangsposition, dadurch gekennzeichnet, dass eine Hilfsantriebsquelle (10') in Antriebsverbindung mit dem zweiten Zähler (5) ist und dass zwischen dem ersten (4) und zweiten (5) Zähler eine in einer Richtung wirkende Verbindung (6a, 7a) angeordnet ist, um die Bewegungsgeschwindigkeit des letzteren auf ein bestimmtes Verhältnis zur Bewegungsgeschwindigkeit des ersten Zählers (4) einzustellen und gleichzeitig eine in einer Richtung wirkende Relativbewegung des ersten Zählers (4) bezüglich des zweiten Zählers (5) einzurichten, während sich dieser in einer Anhalteposition befindet, sowie eine in einer Richtung wirkende Relativbewegung des zweiten Zählers (5) in der umgekehrten Richtung zu erlauben, während sich der erste Zähler (4) in einer Anhalteposition befindet.
  2. Uhr nach Anspruch 1, bei der die Mittel (13, 13', 9, 11) für eine Verstellung der Zähler in ihre Ausgangsposition gleichzeitig dazu dienen, die Hilfsantriebsquelle (10') wieder aufzuziehen.
  3. Uhr nach einem der vorangehenden Ansprüche, bei der die Hilfsantriebsquelle (10') in Antriebsverbindung mit einem Organ (6") begrenzter Bewegungsamplitude steht, wobei zwischen diesem Organ (6") und dem zweiten Zähler (5) eine desmodromische Verbindung angeordnet ist, und bei der Mittel (1') für einen manuellen Antrieb dazu dienen, die Position des Organs (6") begrenzter Bewegungsamplitude in Abhängigkeit von der gewählten zu messenden Zeitdauer bezüglich einer durch einen Anschlag des Organs (6") begrenzter Bewegungsamplitude definierten Position zu modifizieren.
  4. Uhr nach einem der vorangehenden Ansprüche, bei der der Messmechanismus Mittel (8, 13a, 13b) zur Außerbetriebnahme der Mittel (13', 9) für eine Rückstellung des zweiten Zählers (5) in seine Ausgangsposition umfasst, um eine erneute Initialisierung des ersten Zählers (4) während der Messung der vorbestimmten Zeitdauer einzurichten und um den zweiten Zähler (5) proportional zu der korrigierten Abweichung gegenüber dem ersten Zähler zu versetzen, sowie Mittel (13c) zum Abkoppeln der Mittel (12) zur selektiven Ankopplung des ersten Zählers (4) an das Räderwerk der Uhr (T) aufweist.
  5. Uhr nach Anspruch 4 mit Verriegelungsmitteln (3b, 27), um die Mittel (13, 13') für eine Verstellung der Zähler (4, 5) in ihre Ausgangsposition während der Betätigung der Mittel (1') im Eingriff mit den Zählern zu halten, um die Winkelstellung des zweiten Zählers (5) relativ zu der durch den Anschlag des Organs (6") begrenzter Bewegungsamplitude definierten Stellung zu verändern.
  6. Uhr nach einem der vorangehenden Ansprüche, bei der der erste Zähler (4) ein Sekundenzähler und der zweite Zähler (5) ein Minutenzähler ist.
  7. Uhr nach einem der vorangehenden Ansprüche mit Mitteln (20, 21), um am Ende der gemessenen bestimmten Zeitdauer einen zweiten Minutenzähler (22) einzuschalten.
EP05405596A 2005-10-21 2005-10-21 Uhr mit einem Mechanismus zur Messung von einstellbaren vorbestimmten Zeitdauern Active EP1777598B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE05405596T DE05405596T1 (de) 2005-10-21 2005-10-21 Uhr mit einem Mechanismus zur Messung von einstellbaren vorbestimmten Zeitdauern
EP05405596A EP1777598B1 (de) 2005-10-21 2005-10-21 Uhr mit einem Mechanismus zur Messung von einstellbaren vorbestimmten Zeitdauern
US11/538,516 US7293911B2 (en) 2005-10-21 2006-10-04 Timekeeper with a mechanism for measuring settable predetermined periods
CN2006101355105A CN1952812B (zh) 2005-10-21 2006-10-16 具有用于测量可设定的预定时间段的机构的计时装置
JP2006286595A JP5319059B2 (ja) 2005-10-21 2006-10-20 設定可能な所定期間を測定するための機構付きタイムキーパ
HK07104962.9A HK1098834A1 (en) 2005-10-21 2007-05-10 Timepiece with a mechanism to measure adjustable predetermined times

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05405596A EP1777598B1 (de) 2005-10-21 2005-10-21 Uhr mit einem Mechanismus zur Messung von einstellbaren vorbestimmten Zeitdauern

Publications (2)

Publication Number Publication Date
EP1777598A1 EP1777598A1 (de) 2007-04-25
EP1777598B1 true EP1777598B1 (de) 2012-02-15

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US (1) US7293911B2 (de)
EP (1) EP1777598B1 (de)
JP (1) JP5319059B2 (de)
CN (1) CN1952812B (de)
DE (1) DE05405596T1 (de)
HK (1) HK1098834A1 (de)

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US9477206B2 (en) 2014-11-13 2016-10-25 Société Anonyme de la Manufacture d'Horlogerie Audemars Piguet & Cie Split-seconds device with epicycloidal train for a timepiece

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CH715924B1 (fr) * 2019-03-14 2022-09-15 Lvmh Swiss Mft Sa C/O Zenith Succursale De Lvmh Swiss Mft Sa Dispositif d'embrayage latéral pour chronographe avec excentrique d'alignement de dents et mouvement de montre chronographe comprenant un tel dispositif.
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EP1777598A1 (de) 2007-04-25
US7293911B2 (en) 2007-11-13
JP2007114202A (ja) 2007-05-10
DE05405596T1 (de) 2007-10-11
JP5319059B2 (ja) 2013-10-16
HK1098834A1 (en) 2007-07-27
CN1952812B (zh) 2010-12-08
CN1952812A (zh) 2007-04-25
US20070091727A1 (en) 2007-04-26

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