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
  • G04B19/24—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
  • G04B19/25366—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 manually 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
  • 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
• • 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
  • G04B19/2534—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released continuously 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
  • 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
  • G04B19/2534—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released continuously by the clockwork movement
  • G04B19/25346—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released continuously by the clockwork movement manually 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
  • 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
  • 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

Definitions

• the subject of the present invention is a calendar mechanism for displaying the date and the day of the week in a timepiece, comprising a date indicator in the form of an internally toothed crown, means for driving this date indicator comprising a first drive wheel having an external toothing to be able to be driven around an axis of rotation by a mobile secured to an hour wheel of the timepiece and this toothing comprising a prominent tooth, longer than the others , which comes to rest on a tooth of the internal toothing of the date indicator to advance it by one day in a time interval situated around a determined hour of the day, this mechanism also comprising an indicator of the day of the week, means for driving this day of the week indicator to advance it by one day during said time interval and means for positioning said indicators.
• a mechanism of this kind analogous to that which forms part of certain watch movements already manufactured and marketed by the applicant is shown, seen in exploded perspective in FIG. 1, together with other elements of the movement which are related direct with this mechanism.
• this barrel 4 can pivot a barrel 6 of a minute wheel itself surrounding an axis 8 of a seconds wheel, this barrel 6 and this axis 8 being provided for carrying respectively a minute hand and a second hand also not shown.
• a pinion 10 with six teeth 12 On the barrel 4 of the hour wheel 2 and in contact with this wheel is fixed a pinion 10 with six teeth 12, which meshes with a drive wheel 16.
• This drive wheel which pivots on a fixed shaft 14 of the movement and which has twelve teeth 18, in order to complete one revolution in 24 hours, is responsible on its own for driving both a disc for the days of week 20 secured to a day star 22 and a date crown 24, a manner which will be explained in detail later.
• a partially shown plate 26 which has an upper rim 28 intended to serve as a support for a dial 30 provided with a window 32.
• This plate 26 which makes it possible to axially positioning the dial 30 is also used to angularly position it by means not shown, so that its window 32 is located at 3 o'clock to allow the user of the watch containing the movement to correctly read the day of the week and the date of this day through this window.
• the plate 26 also serves as a support for the date crown 24 which is surrounded and held in place radially by the flange 28 of this plate.
• the day 20 disc which twice carries abbreviations for the seven days of the week in the same language and the day star 22 which therefore includes fourteen teeth 34 are mounted so as to be able to pivot around the barrel 4 of the hour wheel 2 and held in place axially by a key 36, the assembly of the disc 20 and the star 22 can be done for example by riveting or laser welding.
• the date crown 24 which can be obtained by cutting and bending from a thin metal sheet or strip, it has a stair-shaped profile and has three concentric annular parts 38, 40 and 42, the level of which decreases from the outside to the inside.
• the first annular part 38 whose contour corresponds to that of the crown has numbers from 1 to 31 regularly distributed over its surface.
• the second part 40 which receives the disc for days 20 has a diameter barely greater than that of this disc so as not to hinder its rotation and the difference in level between this second part and the first is such that the day of the week and the date appear substantially in the same plane and close to each other in the window 32 of the dial 30.
• the third part 42 it has an internal toothing which comprises 31 radial teeth and isosceles 44 which correspond to the 31 days longest months.
• the movement calendar mechanism of FIG. 1 also comprises a retaining plate 46 interposed between the day disc 20 and the third part 42 of the date crown 24, which is fixed by means of screws 48 to a fixed part of the movement .
• This plate 46 has three functions. The first and the second consist in axially maintaining the drive wheel 16 and the date crown 24 without impairing their mobility. The third function is to serve as jumper springs for the date crown 24 and for the day star 22.
• the plate 46 is cut and folded so as to form a first elastic tongue 50 which extends below of the plane of the main part of this plate and which ends in a V-shaped end, pointed towards the outside of the movement to engage between the teeth 44 of the date crown 24 and a second elastic tongue 52 s' extending above the plane of this same plate 46 and which also ends in a V-shaped end but pointed towards the inside of the movement to engage between the teeth 34 of the day star 22 which are at the both radial and isosceles in shape.
• FIG. 1 shows the drive wheel 16 still in perspective but on a larger scale.
• This wheel 16 comprises a hub 54 by which it is mounted on the shaft 14 and which is connected by a spoke-shaped connecting element 56 to a crown 58 which carries the teeth 18 mentioned above.
• this tooth 18 ′ has a flank known as “front flank” 60 of the same inclination as the flanks of the other teeth, that is to say say substantially radial and a "rear flank” 62 which, at the end of this tooth intended to engage between the teeth 44 of the crown 58 has an oblique face 64 of smaller inclination to form an acute angle with the flank before 60.
• the wheel 16 also comprises an elastic arm 66 roughly in the shape of an arc of a circle, made in one piece with the other elements of the wheel 16, attached to the hub 54 and extending inside the toothed crown 58.
• This arm has at its free end a first tongue of substantially rectangular shape and bent at 90 ° in the direction of the front of the movement so as to form a drive finger 68 which can engage between the teeth 34 of the day star 22.
• the arm 66 and the orientation of the drive finger 68 relative to the flanks of the teeth 34 are provided so that this arm does not deform significantly until it is forced to move away from the hub 54 of the wheel 16 and very little in the opposite direction.
• the wheel 16 also includes a second tongue 70 of substantially rectangular shape, made in one piece with the elastic arm 66, located in the plane of the wheel, at a certain distance from the end of this arm and extending in the direction of the crown 58.
• This calendar mechanism of FIGS. 1 and 2 and of the trailing type that is to say that the advance of the calendar by one unit and the passage from one day of the week to the next take place during a time interval d 'around four hours around midnight.
• the drive wheel 16 is designed so that there is a certain phase shift, for example of about half an hour, between the start of the drive of the 20 day disc and that of the date crown 24 or vice versa. Subsequently it is in the first of these situations that we will place our to describe the operation of the calendar mechanism of Figures 1 and 2 and of a variant also known of the latter as well as that of the mechanism according to the invention . Under these conditions, when the drive finger 68 comes into contact with the rear flank of a tooth 34 of the day star 22, this finger begins to exert on this tooth 34 a torque to which the action of the spring is opposed. -autoir 52.
• the elastic arm 66 stretches away from the hub 54 and the finger 68 slides along the flank of the tooth 34 with which it is in contact and rotates the star 22 and the day disc 20 in the direction of the arrow F2.
• the end of the jumper spring 52 comes out of the hollow between two teeth of the star 22 in which it was located, while the torque exerted by the finger 68 on the tooth 34 increases.
• the front flank 60 of the tooth 18 'of the wheel 16 comes into contact with the rear flank of a tooth 44 of the crown of date 24 and then begins to slide on this rear flank and to rotate the date crown in the direction of the arrow F3, that is to say in the same direction as the drive wheel 16 and in the opposite direction to that in which the day 20 disc rotates.
• the end of the jumper spring 50 begins to out of the hollow between two teeth 18 of the date crown in which it was, this spring begins to tighten and the torque exerted by the tooth 18 'on the tooth 44 with which it is in contact begins to increase.
• the wheel 16 simultaneously drives the day star 22 and the date crown 24 by providing a torque greater than that of the sum of the resistant couples exerted by the jumper springs 50 and 52 respectively on the tooth 34 of the day star 22 and that 44 of the date crown 24 with which the tooth 18 'and that 34 of the day star 22, these torques continuing to increase until the end of the jumper spring 52 arrives at the top of the tooth 34 of the day star 22.
• the spring 52 relaxes when its point descends into the hollow of the day star 22 following that between the teeth of which it was previously, in the direction of arrow F2.
• the drive finger 68 of the arm 16 is ejected from the teeth of the day star 22 while it exerted on it a maximum torque and the day of the week indicated by the disc 20 finishes move on to the next day.
• control rod is a rod which can be placed in three axial positions, a neutral pushed or winding position, a first pulled position in which the display the date can be changed by turning the stem in one direction and that of the day of the week by turning the stem in the other direction and a second pulled position reserved for setting the time of the watch hands.
• the mechanism for correcting the date acts on the teeth 44 of the date crown 24 so as to rotate the latter in the direction of the arrow F3, against the spring.
• -autoir 50 and each time the front flank of a tooth 44 comes into contact with the oblique face 64 of the rear flank 62 of the tooth 18 'of the drive wheel 16 this front flank of a tooth 44 slides on this oblique face of the tooth 18 'without appreciably modifying the angular position of this tooth 18' and this, thanks to an inherent elasticity of the drive wheel 16 which then deforms very slightly and against the resistant torque exerted on this wheel 16 by the pinion 10 which rotates in the opposite direction at a much lower speed, which can even be considered as zero.
• the correction mechanism causes the day star 22 in the direction of arrow F2 by blowing up the end of the jumper spring 52 from one hollow between two teeth 34 to the next.
• a front flank of a tooth of the day star 22 comes into contact with the drive finger 68 it forces the elastic arm 66 to curve very slightly towards the hub 54 of the wheel 16 to then resume its initial position after the passage at the top of this tooth 22 by the finger 68.
• the time is changed in the advance direction, everything happens as when the mechanism operates normally except that if this change occurs done while the day and date change process is in progress this process is accelerated during the period during which the time is changed.
• the wheel 16 then turns in the opposite direction to that of the arrow F1.
• this tooth slides or continues to slide on this face which causes or maintains a slight deformation of the crown of the wheel 16 and which means that the position of this wheel remains unchanged.
• the rear face of tooth 68 comes into contact with a tooth 34 of day star 22, this tooth slides on this rear face, which causes only a very slight deformation of the arm 66 in the direction which brings it closer to the hub 54 of the wheel until the tooth 68 arrives at the top of the tooth 34. At this time the arm returns to its initial position without the position of the star 22 and the disc 20 days has been changed.
• Figures 3 and 4 illustrate a variant of the calendar mechanism shown in Figures 1 and 2, which corresponds to a mechanism used in other movements also manufactured and marketed by the applicant.
• FIG. 3 which is a top view of the day of the week disc and of the day star, this star always designated by the reference number 22 remains unchanged and still has fourteen teeth 34.
• the disc of the days 20 'no longer carries twice the abbreviations of the successive days of the week in the same language, like the disc 20 in the figure, but alternatively the abbreviations of the days in two languages, in this case in English and French.
• the star and the day disc no longer have to rotate normally by a fourteenth of a turn per day but by a seventh.
• the second drive finger 70' acts in the same way on the next tooth 34 to spin this disc again a fourteenth of a turn in the same direction.
• the action of the second finger 70 ' is synchronized with that of the tooth 18' so that the total torque which the drive wheel 16 must exert at the same time the day star 22 and the date crown 24 never reach the sum of the maximum torques necessary to rotate this star and this crown.
• the second finger 70 ′ acts like the first finger 68, that is to say that it forces the elastic arm 66 to curve in order to allow the 'star 22 and 20 days disc' to switch from the display of the same day from one language to another or from one day to the next in the same language.
• the first drive finger 68 and the arm 66 is also valid for the second drive finger 70 '.
• this variant of FIGS. 3 and 4 justifies the presence of the tongue 70 in the embodiment of FIGS. 1 and 2.
• the wheel 16 made in one piece from the same material does not make it possible to obtain an optimization of the drive both of the day star and of the date crown according to the materials of which these may be formed, for example when the date crown is made of an alloy of copper and beryllium while the day star is made of steel to allow this disc of the days to be welded by laser.
• the sign and the value of the phase difference between the drive of the day disc and that of the date crown are determined during the design and manufacture of the drive wheel 16.
• the object of the invention is to provide a calendar mechanism capable of indicating both the date and the day of the week which does not have these drawbacks.
• the mechanism according to the invention which meets the definition given in the first paragraph above is remarkable in that the means for driving the indicator for the day of the week include a second wheel. drive with external teeth, superimposed and coaxial with the first drive wheel and in that said first and second drive wheels have the same diameter and the same even number of teeth and are driven by the same mobile secured to the hour wheel.
• said drive mobile is constituted by a pinion fixed on a barrel of said hour wheel and having a number of teeth equal to half that of said first and second drive wheels.
• FIG. 1 is an exploded perspective view of a first possible embodiment of a mechanism according to the invention
• FIG. 6 is an exploded perspective view of a second possible embodiment of the mechanism according to the invention.
• FIGS. 7 and 8 are plan and top views of two drive wheels of the mechanism of Figure 6.
• the embodiment of the mechanism according to the invention shown in Figure 5 differs from the variant in question by the fact that the single drive wheel 16 of this variant is replaced by two superimposed coaxial wheels 76 and 76 ', having the same diameter and the same number of teeth, respectively 78 and 78', in this case twelve teeth, which are both mounted on the same shaft 14 secured to the frame of the movement and driven by the same pinion 10 to six teeth secured to the barrel 4 of the hour wheel 2 of this movement.
• the wheel 76 which is responsible for driving the date crown 24 comprises, like the wheel 16 in FIGS. 1 to 4, a hub, a spoke and a toothed crown not references.
• the wheel 76 no longer includes an elastic arm or fingers for driving the star 22 and the day 20 disc, which means that it could be produced in another form provided that it continues to present, d 'on the one hand, a tooth 78' longer than the others and of the same shape as before to be able to drive the date crown and, on the other hand, its own elasticity sufficient to allow manual modification of the display of this date of the same way as with the single drive wheel 16.
• the wheel 76 ′ which is located above the date drive wheel and whose role is to drive the star 22 and the disc 20 of the days of the week, it is identical to the wheel 16 of FIG. 2, except that it has no particular tooth and that its twelve teeth 78 'are identical. It is therefore not necessary to describe the operation of the calendar mechanism according to the invention shown in FIG. 5. On the other hand, it is useful to show that this mechanism or a similar mechanism makes it possible to achieve the aims sought by the invention indicated above.
• parameters of each of the wheels 76 and 76 ′ can be determined separately as a function of the structural characteristics and methods of manufacturing the mobiles they entail to optimize the functioning of the calendar mechanism of which they are a part.
• This solution consists in multiplying to a certain extent the number of teeth of the pinion 10 and of the wheels 76 and 76 ', while maintaining a 2: 1 ratio between these wheels and this pinion.
• the mechanism according to the invention comprises two superimposed coaxial wheels 80 and 80 ′ having the same diameter and the same number of teeth, respectively 82 and 82 ', also twelve in number, mounted on the same shaft 14 secured to the frame of the movement and driven by the same pinion 10 with six teeth secured to the hour wheel 2 of this movement.
• the wheel 80 intended to drive the date crown 24, comprises a hub 84 from which a large substantially radial arm 86 starts. From the end of this radial arm 86 in turn leaves an elastically deformable arm 88 substantially in the shape of an arc of a circle, which extends in the normal direction of rotation of the wheel 80, indicated by the arrow F1, and which mainly surrounds the hub 84 to be connected by the inside and by a substantially radial and rigid connection part 90 to a crown 92 which carries the teeth 82 of the wheel.
• the crown 92 has a particular prominent tooth 82 "longer than the others to be able to engage between the teeth 44 of the crown date 24 (see Figure 6) and which has the same orientation and the same shape as the prominent teeth of the drive wheels of the date crowns which have been discussed so far.
• this tooth 82 is no longer attached to the normal tooth 82 which precedes it when the wheel 80 rotates in the direction of the arrow F1 but separated from it by a cut 94.
• the calendar mechanism operates normally and when the front flank 96 of the tooth 82 "comes into contact with the rear flank of a tooth 44 of the date crown 24 this crown does not start to be driven immediately by the tooth 82 ".
• the mechanism according to the invention is no longer of the dragging type but of the semi-dragging type or what comes back at the same semi-instantaneous, which means that the change in the indication of the date is faster than in the embodiment of Figure 5, the time of this change can be roughly halved.
• the wheel 80 'for driving the star 22 and the disc 20 for weekdays comprises a hub 106, a crown 108 carrying the teeth 82' and connected to the hub 106 by a spoke 110, a elastic arm 112 substantially in the form of an arc of a circle which surrounds a part of the hub 106 and which carries two drive fingers 112 and 114 formed and arranged in the same way as the drive fingers 68 and 70 'of the wheel d drive 16 shown in FIG. 4 and which is part of the variant of the known calendar mechanism of FIG. 1.
• the elastic arm 112 of the drive wheel 80 'shown in FIG. 8 also carries a substantially radial support finger 118 located in the plane of this wheel which extends in the direction of the crown 108 and which ends by a rounded end 120.
• the elastic arm 112 extends and moves away from the hub 106 until the end 120 of the finger 118 abuts against the internal edge 122 of the crown 108.
• the first drive finger 114 pushes on the star of the days tooth by sliding on the front flank of this tooth to its top and from the moment when the finger 118 comes into contact with the internal edge 122 of the crown the torque exerted by the finger 114 on tooth 34 is practically maximum. Then, when the finger 114 has crossed the top of the tooth 34 of the day star 22 it falls back into the hollow of the star 22 following that between the teeth of which it was previously and after the day star has turned a fourteenth of a turn, the elastic arm 112 relaxes.
• the finger 118 also serves as a stop for the crown 92 of the drive wheel 80 of the date crown 24 arranged below of the drive wheel 80 'of the star 22 and this in order to avoid a possible jamming between these two wheels which are very thin and which can deform while they rotate.
• the day disc in two languages could be replaced by a disc in one language like the one in Figure 1.
• the drive wheel of this disc would have only one drive tooth.
• this disc of the days could wear only once the days of the week and the star of the days have only seven teeth.

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• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Electromechanical Clocks (AREA)
• Electric Clocks (AREA)

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• 2003
  • 2003-12-18 US US10/541,542 patent/US7433271B2/en not_active Expired - Lifetime
  • 2003-12-18 AT AT03799584T patent/ATE518168T1/de not_active IP Right Cessation
  • 2003-12-18 AU AU2003299250A patent/AU2003299250A1/en not_active Abandoned
  • 2003-12-18 CN CNB2003801083586A patent/CN100435046C/zh not_active Expired - Lifetime
  • 2003-12-18 EP EP03799584A patent/EP1593005B1/de not_active Expired - Lifetime
  • 2003-12-18 WO PCT/EP2003/051044 patent/WO2004066039A1/fr not_active Ceased
  • 2003-12-18 JP JP2004566831A patent/JP4239099B2/ja not_active Expired - Lifetime
• 2008
  • 2008-08-27 US US12/199,075 patent/US7522476B2/en not_active Expired - Lifetime

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