EP1780612A1 - Analogic display device including a planet gear drive - Google Patents

Analogic display device including a planet gear drive Download PDF

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Publication number
EP1780612A1
EP1780612A1 EP05023260A EP05023260A EP1780612A1 EP 1780612 A1 EP1780612 A1 EP 1780612A1 EP 05023260 A EP05023260 A EP 05023260A EP 05023260 A EP05023260 A EP 05023260A EP 1780612 A1 EP1780612 A1 EP 1780612A1
Authority
EP
European Patent Office
Prior art keywords
display
display device
gear
plate
dial
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Withdrawn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
EP05023260A
Other languages
English (en)
French (fr)
Inventor
Fabien Blondeau
Emmanuel Fleury
Pierre-André Meister
André Zanetta
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
Application filed by ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP05023260A priority Critical patent/EP1780612A1/de
Priority to CN2006800397679A priority patent/CN101297245B/zh
Priority to US12/088,280 priority patent/US8477565B2/en
Priority to JP2008537037A priority patent/JP2009521667A/ja
Priority to DE602006007868T priority patent/DE602006007868D1/de
Priority to PCT/EP2006/067032 priority patent/WO2007048685A2/fr
Priority to KR1020087011309A priority patent/KR20080063503A/ko
Priority to EP06806967A priority patent/EP1943563B1/de
Priority to TW095139033A priority patent/TW200731038A/zh
Publication of EP1780612A1 publication Critical patent/EP1780612A1/de
Priority to HK09103702.4A priority patent/HK1126010A1/xx
Withdrawn legal-status Critical Current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
    • G04B29/00—Frameworks
    • G04B29/02—Plates; Bridges; Cocks
    • G04B29/027—Materials and manufacturing
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/14—Fastening the dials to the clock or watch plates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49579—Watch or clock making
    • Y10T29/49581—Watch or clock making having arbor, pinion, or balance

Definitions

  • the invention relates to an analog display device comprising a drive of the analog display devices by planetary gears.
  • the invention also relates to a timepiece comprising such a display device, as well as a method of manufacturing this display device.
  • Such an analog display device equips the timepiece which is described in the document JP 57023881 .
  • This document describes and represents a planetary gear timer gear for driving the minute hand and the hour hand.
  • it comprises a drive shaft carrying the minute hand at its upper end and a drive pinion at its lower end, the drive pinion meshing with a drive wheel.
  • the drive shaft is provided with a central pinion which is interposed axially between an hour gun, which is intended to carry the hour hand, and the drive pinion.
  • the central pinion meshes with two planet gears meshing with a fixed crown with internal teeth.
  • the mobile axes of rotation of the planet gears are extended upwards by tenons which are respectively received in complementary housings of the hour gun, so that the rotation of the planet gears around the drive shaft causes the rotation of the gun hours in the clockwise direction.
  • gear ratio between the central gear and the planet gears is chosen to obtain the ratio 1/12 between the number of revolutions made by the hour hand and the number of revolutions made by the minute hand.
  • This type of timer train has the advantage of being very compact axially.
  • the mode of training needles remains traditional, that is to say that it uses an hour gun that must be mounted on the drive shaft of the minute hand by lanterning. The minute hand is chased on its drive shaft and the hour hand is driven on the hour barrel.
  • This type of timer train therefore requires relatively complex assembly operations.
  • the present invention aims in particular to improve the construction of this analog display device by simplifying it.
  • the invention provides a display device comprising a first rotary analog display member displaying a first information and a second rotary analog display member displaying a second information, the value of the second information being related to the value of the first information according to a determined gear ratio, wherein the first and second display members are rotatably mounted relative to a platen around the same main axis and are rotated by a planetary gear drive carried by the platen, and wherein the driving device comprises a driving element provided for driving in rotation a central gear which is rotationally fixed to the first display member, and at least one planet pinion which meshes with the central gear and with a gear crown with internal teeth, the second display member being rotated about the main axis by the displacement of the axis of the planet wheel, characterized in that the second display member is pivoted on the axis of rotation of the satellite gear.
  • the display device according to the invention has the advantage of being particularly compact, both radially and axially. In addition, the number of parts needed to make it work is particularly small. In particular, it can be seen that the second display member plays the role of the planet carrier in the planetary gear system, since the second display member is directly connected to the planet gear, which eliminates an intermediate piece with respect to the planet gear. device known in the prior art.
  • the drive device comprises a driving shaft, coaxial with the main axis, which is rotated by the driving element, and the central gear and the first gear member. display are attached to the central shaft.
  • the drive shaft may be the output shaft of the erection member which provides a simplified structure and assembly.
  • connection between the second display member and the planet pinion is formed by a pivot which is carried by the second display member.
  • the structure of such a connection is easy to manufacture and easy to assemble.
  • the pivot can be made in one piece with the second display member.
  • the driving device comprises three planet gears and the second display member is pivoted on the axes of rotation of the three planet gears, which makes it possible to increase the stability of the second display member and to reduce the effect of possible operating clearances on its rotation drive.
  • the second display member is retained axially on the side opposite to the plate by the first display member, a spacer element being interposed between the first and the second display members, which provides a simple solution for the assembly of the second display member on the main axis of rotation, requiring no additional part or specific shape of the drive shaft.
  • the second display member covers the entire circular area delimited by the ring, so that it fulfills the function of cover to protect the elements of the gear of any external particles.
  • the ring comprises an annular radial surface provided with a circular sliding track on which the second display member rests.
  • the crown, the central gear, and the planet pinion extend globally in the same radial plane, which makes the manufacture of the device easier and minimizes its axial size.
  • the ring is made in one piece with the plate, which allows to simultaneously manufacture the two parts, in particular by micromachining techniques using lithographic processes. This provides a drive device more rigid and easier to assemble.
  • the plate can be attached to the display face of the dial, which allows the dial to be modified without modifying the display device.
  • the plate can also be made in one piece with the dial, which allows to minimize the number of parts in the display device and to implement micromachining techniques using lithographic processes, by making the dial and the platinum of monocrystalline material.
  • Such a monocrystalline material dial having semiconductor properties also makes it possible to integrate electronic circuit components into the dial, for example to enable control of the display device, or even to integrate a motor element made in the form an electromechanical micro-system engraved in the dial.
  • the drive device comprises sliding elements which are interposed between a face of the plate and the pinions in order to reduce their resistance to friction during rotation.
  • These sliding elements are constituted by circular sliding tracks arranged on the plate and made in one piece with the plate.
  • the display members are needles, which makes it possible to use the display device in many applications, in particular horological applications.
  • the invention also proposes a timepiece characterized in that it comprises a display device according to the preceding characteristics.
  • the first display member is constituted by a minute hand and the second display member is constituted by an hour hand.
  • the invention further provides a method of manufacturing a display device having a first rotary analog display member displaying a first information and a second rotary analog display member displaying a second information, the value of the second information being related to the value of the first information according to a determined gear ratio, wherein the first and second display members are rotatably mounted relative to a platen about the same main axis and are rotated by a device planetary gear drive carried by the platen, and wherein the drive device comprises a motor element adapted to rotate a central gear which is rotatably connected to the first display member, and at least one planet gear which meshes with the central pinion and with a ring gear internally, the second display member being is rotated about the main axis by the displacement of the axis of the pinion satellite, characterized in that it comprises a step of assembly during which the second display member is rotatably mounted on the main axis and during which the second display member is assembled to the planet gear by a pivot.
  • the manufacturing method according to the invention the assembly of the display device is simplified, the number of operations being reduced.
  • a micromachining step comprising a lithographic treatment is implemented to obtain the plate and the crown in one piece.
  • the satellite gear can be made during this same micro-machining step.
  • the plate is made in one piece with the dial of the display device during the micromachining step, which makes it possible to manufacture a dial in which components of the display device are already integrated. .
  • FIGs 1 to 3 there is shown an electronic timepiece 10 made according to a first embodiment in accordance with the teachings of the invention.
  • the timepiece 10 is constituted here by a watch 10 which comprises a housing 12, for example of cylindrical shape.
  • the housing 12 is formed by a bottom wall 14 extending generally in a transverse plane, by a peripheral axial wall 16, and by an upper protective glass 18 which closes the housing 12 on the side of the upper display face 20 of the watch 10.
  • the housing 12 contains an electronic control circuit 22 which is arranged here on a printed circuit board 24 and which drives an analog display device 26.
  • the control circuit 22 comprises electronic components, such as a control unit 28 and a time base circuit constituted by a reference oscillator 30, interconnected by electrical conductive tracks 32 carried by the printed circuit board 24.
  • the control unit 28 may be constituted, for example, by a microcontroller or by logic circuits.
  • the housing 12 also contains a source of electrical energy constituted here by a battery 34.
  • the printed circuit board 24 and the battery 34 are arranged under a display dial 36 which is fixed in the housing 12.
  • external control means such as pushbuttons or a crown may be provided to allow a user to control the display device 26 and perform for example the time of the watch 10 .
  • the display device 26 includes a first analog display member 38 displaying a first information and a second display member 40. analogue displaying a second piece of information.
  • the first 38 and the second 40 analog display members are constituted respectively by a minute hand 38 and a hour hand 40 which are rotatably mounted relative to a plate 42 around the main axis A1.
  • the value of the second information is related to the value of the first information in a gear ratio of 1/12, the minute hand 38 making twelve turns around its main axis A1 when the hour hand 40 take a turn.
  • the two needles 38, 40 are rotated by a planetary gear drive device 44 which is carried by the plate 42.
  • the drive device 44 comprises a motor element 46 driving in rotation a central gear 48 which is integral with rotation with the minute hand 38.
  • the central gear 48 and the minute hand 38 are here fixed on a drive shaft 50 which constitutes the output shaft of the driving element 46.
  • the driving element 46 is arranged under the plate 42, here disc-shaped centered on the main axis A1, and the drive shaft 50 extends axially upwards, through a hole 52 arranged in the plate 42.
  • the motor element 46 comprises, for example, a watchmaker-type electric motor, called the Lavet motor, which drives the drive shaft 50 directly or via a gear reduction gear train.
  • the motor element 46 can be carried by the plate 42 or by the printed circuit board 24, and is electrically connected to the control circuit 22 and to the battery 34.
  • a planet gear 54 meshes with the central pinion 48 and with a ring gear 56 fixed internally, centered on the main axis A1, so that, considering the top view of FIG. 3, the clockwise rotation of the pinion central 48 causes, on the one hand, the rotation of the planet gear 54 in a counter-clockwise direction around its axis A2 and, on the other hand, the displacement of the planet pinion 54 in a circular trajectory centered on the main axis A1 and oriented clockwise.
  • the hour hand 40 is rotatably mounted on the drive shaft 50 and rotated about the main axis A1 by the displacement of the axis A2 of the planet pinion 54.
  • the sizing of the planetary gear elements constituted by the ring gear 56, the central pinion 48, and the planet gear 54 is determined so that the gear ratio between the rotation of the axis A2 of the planet pinion 54 around the planet gear main axis A1 and the central gear 48, equal to 1/12, that is to say equal to the gear ratio linking the value of hours to the value of minutes.
  • the central pinion 48 can be made with a radius R1 equal to 0.4 mm, which implies for the ring 56 a radius R3 equal to 4.4 mm.
  • R1 0.4 mm
  • R3 4.4 mm
  • the ring gear 56, the central pinion 48, and the planet pinion 54 extend generally in the same radial plane, which makes it possible to minimize the axial size of the drive device 44.
  • the ring 56 is formed in one piece with the plate 42.
  • the ring 56 thus forms with the plate 42 a bowl inside which are accommodated the central pinion 48 and the pinion 54, the upper face 57 of the plate 42 constituting the bottom of the bowl.
  • the hour hand 40 is pivoted on the axis A2 of the planet pinion 54.
  • the hour hand 40 here carries a pivot 58 which extends axially downwards, from its lower face 60, which is received in a complementary bore 62 arranged in the planet gear 54.
  • the pivot 58 is made in one piece with the hour hand 40, but it could also be driven into the hour hand 40 or welded to it.
  • the pivot 58 is carried by the planet gear 54 and the bore 62 is arranged in the hour hand 40.
  • a spacer element 64 is interposed between the minute hand 38 and the hour hand 40. It is constituted here by a tubular section 64 integral with the minute hand 38, and its outside diameter is less than the outer diameter of the central gear 48. The minute hand 38 being driven on the drive shaft 50, the spacer 64 allows to axially retain the hour hand 40 on the opposite side to the plate 42 while minimizing the friction between the minute hand 38 and the hour hand 40.
  • the hour hand 40 covers the entire circular area defined by the ring 56, so as to form above the plate 42 a cover which protects the gears of the drive device 44
  • the hour hand 40 here comprises a disk-shaped main portion 66, centered on the main axis A1, and an indicator portion 68 of rectangular shape, which extends radially beyond the outer diameter. of the main portion 66 to indicate the value of the hours on the dial 36.
  • the main portion 66 in the form of a disc could also be attached to the hour hand 40.
  • the pivot 58 of the hour hand 40 is arranged between the main axis A1 and the indicator portion 68.
  • the pivot 58 of the hour hand 40 can be arranged on the opposite side to the indicator portion 68, with respect to the main axis A1, which can improve the balance of the hour hand 40 by creating an unbalance.
  • the main portion 66 of the hour hand 40 rests on a circular sliding track 70 arranged on the upper annular radial surface 72 of the ring 56, which makes it possible to minimize the friction of the hour hand 40 on the crown 56.
  • the sliding tracks 70, 74 are preferably made in one piece with the plate 42.
  • the plate 42 is attached to the dial 36 and fixed on the upper display face 76 of the dial 36.
  • the dial 36 is traversed by a stepped axial hole 77 which receives the lower section of the plate 42 in a complementary manner.
  • the lower face 78 of the plate 42 here comprises a housing 80 provided to receive the motor element 46 in a complementary manner.
  • the operation of the display device 26 according to the invention is as follows.
  • the driving element 46 controlled by the electronic circuit 22 of the watch 10, drives the drive shaft 50 in a clockwise rotation, which causes the minute hand 38 and the central gear 48 to rotate in clockwise at the speed of one revolution per hour.
  • the rotation of the central gear 48 causes the displacement of the planet pinion 54 about the main axis A1, which causes the hour hand 40 in the clockwise direction at the speed of one twelfth of an hour.
  • the method comprises a micromachining step during which the ring 56 and the sliding tracks 72, 74 are made in one piece with the plate 42.
  • This micromachining step preferably uses a photo-like technology. -lithographically, especially a micromachining technology HARM (High Aspect Ratio Micromachining) such as the LIGA (Lithography Galvanoformung Abformung) technology which is described in the document EP 0 851 295 .
  • HARM High Aspect Ratio Micromachining
  • LIGA Low Aspect Ratio Micromachining
  • the LIGA technology uses a substrate on which the following treatments are applied: lithography, electrolytic bath plating, and molding. This technology can be used to realize the plate 42 by electroforming (galvanic growth), in a metallic material, or by molding, in various materials such as metals, alloys, plastics, ceramics.
  • the central pinion 48 and the pinion 54 can be made using the same manufacturing technology as the plate 42. Preferably, they are made by machining or stamping, in a material known to be suitable for horological applications, for example brass .
  • the needles 38, 40 are made using the same manufacturing technology as the plate 42, which allows for the spacer 64 and the pivot 58 in one piece with their respective needles 38, 40.
  • the needles 38, 40 can be made by machining or stamping in a material such as iron or brass, by molding in a thermosetting synthetic material, or by micromachining in a substrate of monocrystalline material such as than silicon according to a process of the photo-lithographic type.
  • the method for manufacturing the display device 26 according to the invention also comprises an assembly step comprising the following operations.
  • the motor element 46 is mounted in the housing 80 located under the plate 42, so that its drive shaft 50 extends through the hole 52.
  • the central gear 48 is driven on the drive shaft 50 and the planet pinion 54 is mounted on the plate 42 between the teeth of the central gear 48 and the teeth of the crown 56.
  • the hour hand 40 is threaded onto the drive shaft 50 to be free to rotate about the main axis A1.
  • the hour hand 40 is then assembled on the planet pinion 54 by the pivot 58 which is received in the bore 62.
  • the minute hand 38 is then driven on the drive shaft 50 coming into contact with the hour hand 40 by its spacer 64, so that the hour hand 40 is held axially between the radial face upper 72 of the ring 56 and the spacer 64.
  • the manufacturing method according to the invention thus makes it possible to obtain a display device 26 in the form of a module that can be easily attached in an apparatus intended to receive it, in particular in the watch 10 according to the invention.
  • the drive device 44 comprises three planet gears 54.
  • the hour hand 40 is preferably pivoted on the axes A2 rotation of three planet gears 54, which improves its stability and rigidity.
  • the principle of manufacture, assembly, and operation of the display device 26 according to the first embodiment of the invention remains unchanged.
  • the drive device 44 could also include two planet gears 54 instead of three.
  • the plate 42 is made in one piece with the dial 36. More specifically, the plate 42 and the ring 56 are etched in the upper face 76 of the dial 36.
  • this third embodiment is implemented with a dial 36 made of monocrystalline material based on silicon, having semiconductor properties, which makes it possible to produce the electronic components 28, 30 in the form of etched integrated circuits. directly in a layer of silicon constituting the dial 36. These components are here arranged in the lower face of the dial 36 but they could also be arranged in its upper face 76.
  • This third embodiment therefore allows to remove the printed circuit board and its disadvantages.
  • the dial 36 may comprise several identical control units 28 etched in its lower face.
  • a control unit 28 is deficient, it is sufficient to connect the control circuit 22 to another control unit 28 in working order.
  • the dial 36 may also include several control units 28 of different types, which makes it possible to use the same dial 36 for different types of watches 10. Thus, when assembling the watch 10, it is sufficient to connect the circuit control 22 to the control unit 28 adapted to the type of watch being assembled.
  • the motor element 46 can be made in the form of an electromechanical microsystem (MEMS) by micromachining in the dial 36 according to a photo-lithographic type process.
  • MEMS electromechanical microsystem
  • Such a type of motor element 46 is described and shown, for example, in the document WO 2004/081695 , incorporated herein by reference.
  • the motor element 46 is made by etching in a silicon layer. It comprises a toothed drive wheel and actuating fingers which cooperate with the teeth of the wheel to cause its rotation. Each actuating finger is integral in displacement of a moving comb which is moves relative to a fixed comb according to a voltage applied to the fixed comb.
  • the method for manufacturing the display device 26 comprises a micromachining step of the plate 42 slightly different since the plate 42 is manufactured with the dial 36 .
  • the manufacturing technology used here is a micromachining technology of the photolithographic type in a silicon substrate.
  • a so-called S.O.I silicon fabrication technique is used.
  • Silicon-On-Insulator such as that described with reference to FIGS. 7A-7D in the document mentioned above.
  • a dial 36 is obtained whose main body comprises, here from top to bottom, an upper layer 82 of substrate-forming silicon, for example 350 microns thick, an intermediate layer 84 of insulating silicon oxide (SiO2), and a lower layer 86 of silicon, for example 200 to 300 micrometers thick.
  • the control unit 28 and the oscillator 30 are formed in the lower layer 86.
  • Conductive tracks are also formed in the lower layer 86 to electrically connect the components to each other.
  • the planet gear 54 is made in the silicon substrate, during the manufacture of the dial 36 and the plate 42 by micromachining.
  • the oscillator 30 can be produced according to the teachings of the document WO 2001/33711 , hereby incorporated by reference, which describes and represents a silicon oscillator intended to be produced on the same substrate as the integrated circuit forming the control unit 28 of the watch 10.
  • the oscillator 30 thus has the shape of a microphone or electromechanical nano-structure which is etched in the main body of the dial 36 and which is electrically connected to the control circuit 22.
  • This third embodiment has the advantage of being particularly compact in thickness.
  • the manufacture of the control circuit 22 is facilitated since there is no longer a step of assembly / assembly of the electronic components, these being made directly in the dial 36 by etching.
  • the engraving techniques used in microelectronics make it possible to produce a large number of components simultaneously ("batch processing"), which minimizes manufacturing costs.
  • the watch 10 could be devoid of a dial, the display device 26 then being fixed directly or indirectly on the housing 12, which would make a watch 10 of the skeleton type, revealing the components contained in the housing 12.
  • the watch 10 could comprise a plate extending radially between the ring 56 and the hour hand 40, for example to act as a protective cover for the drive device 44.
  • said plate should have a circumferential groove allowing the pivot 58 to pass through.
  • the invention has been described in the context of an electronic watch, the invention also applies to a mechanical watch in which the driving element 46 is constituted by a spring cooperating with an exhaust system and a mechanical regulator.
  • Needles 38, 40 could also be replaced by rotating display disks.
  • the invention has been described in the context of a display device 26 displaying hourly information, the first information being constituted by the minutes and the second information being constituted by the hours. But the invention also applies to a display device 26 displaying another type of information such as altitude.
  • the first information may consist of hundreds of meters of altitude and the second information may be constituted by thousands of meters of altitude.
  • the gear ratio is then equal to 1/10, which requires another dimensioning of the drive device 44.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Electromechanical Clocks (AREA)
  • Gears, Cams (AREA)
EP05023260A 2005-10-25 2005-10-25 Analogic display device including a planet gear drive Withdrawn EP1780612A1 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
EP05023260A EP1780612A1 (de) 2005-10-25 2005-10-25 Analogic display device including a planet gear drive
PCT/EP2006/067032 WO2007048685A2 (fr) 2005-10-25 2006-10-04 Dispositif d'affichage analogique comportant un entrainement par engrenages planetaires
US12/088,280 US8477565B2 (en) 2005-10-25 2006-10-04 Analogue display device including a planetary gear device
JP2008537037A JP2009521667A (ja) 2005-10-25 2006-10-04 遊星歯車駆動装置を含むアナログ表示装置
DE602006007868T DE602006007868D1 (de) 2005-10-25 2006-10-04 Analoge display-einrichtung mit einem planetengetriebe
CN2006800397679A CN101297245B (zh) 2005-10-25 2006-10-04 包括行星齿轮驱动件的模拟显示设备
KR1020087011309A KR20080063503A (ko) 2005-10-25 2006-10-04 유성 기어 드라이브를 포함하는 아날로그 디스플레이 장치
EP06806967A EP1943563B1 (de) 2005-10-25 2006-10-04 Analoge display-einrichtung mit einem planetengetriebe
TW095139033A TW200731038A (en) 2005-10-25 2006-10-23 Analogue display device including a planetary gear drive
HK09103702.4A HK1126010A1 (en) 2005-10-25 2009-04-22 Analog display device comprising a planetary gear drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05023260A EP1780612A1 (de) 2005-10-25 2005-10-25 Analogic display device including a planet gear drive

Publications (1)

Publication Number Publication Date
EP1780612A1 true EP1780612A1 (de) 2007-05-02

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP05023260A Withdrawn EP1780612A1 (de) 2005-10-25 2005-10-25 Analogic display device including a planet gear drive
EP06806967A Active EP1943563B1 (de) 2005-10-25 2006-10-04 Analoge display-einrichtung mit einem planetengetriebe

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP06806967A Active EP1943563B1 (de) 2005-10-25 2006-10-04 Analoge display-einrichtung mit einem planetengetriebe

Country Status (9)

Country Link
US (1) US8477565B2 (de)
EP (2) EP1780612A1 (de)
JP (1) JP2009521667A (de)
KR (1) KR20080063503A (de)
CN (1) CN101297245B (de)
DE (1) DE602006007868D1 (de)
HK (1) HK1126010A1 (de)
TW (1) TW200731038A (de)
WO (1) WO2007048685A2 (de)

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Publication number Priority date Publication date Assignee Title
EP2060534A1 (de) * 2007-11-16 2009-05-20 Nivarox-FAR S.A. Mikromechanisches Bauteil aus Silizium-Metall-Verbundmaterial und Verfahren zu dessen Herstellung
EP2515186B1 (de) * 2011-04-20 2014-06-11 Cartier Création Studio S.A. Gear-train for timepiece
EP2560057B1 (de) * 2011-08-17 2014-04-02 ETA SA Manufacture Horlogère Suisse Uhrwerk mit reduzierter Höhe und großer Gangreserve
CN102540861B (zh) * 2012-02-29 2013-08-07 林祥平 手表
JP5669219B2 (ja) * 2012-03-30 2015-02-12 リズム時計工業株式会社 指針駆動機構
KR101234581B1 (ko) 2012-06-26 2013-02-22 김태현 관찰용 기어가 구비된 시계
KR102307261B1 (ko) * 2015-05-27 2021-10-01 삼성디스플레이 주식회사 표시 장치

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US4428682A (en) * 1982-09-29 1984-01-31 Winter Munroe A Clock mechanism
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HK1126010A1 (en) 2009-08-21
EP1943563A2 (de) 2008-07-16
KR20080063503A (ko) 2008-07-04
EP1943563B1 (de) 2009-07-15
US8477565B2 (en) 2013-07-02
WO2007048685A2 (fr) 2007-05-03
CN101297245A (zh) 2008-10-29
CN101297245B (zh) 2012-06-20
US20110051562A1 (en) 2011-03-03

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