EP3435362A1 - Anzeigesystem, das ein anzeigemodul über mobile elemente um flexible verbindungen umfasst, und uhr, die ein solches anzeigesystem umfasst - Google Patents

Anzeigesystem, das ein anzeigemodul über mobile elemente um flexible verbindungen umfasst, und uhr, die ein solches anzeigesystem umfasst Download PDF

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Publication number
EP3435362A1
EP3435362A1 EP18184006.7A EP18184006A EP3435362A1 EP 3435362 A1 EP3435362 A1 EP 3435362A1 EP 18184006 A EP18184006 A EP 18184006A EP 3435362 A1 EP3435362 A1 EP 3435362A1
Authority
EP
European Patent Office
Prior art keywords
display
display module
display system
actuator
rotation
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
EP18184006.7A
Other languages
English (en)
French (fr)
Other versions
EP3435362B1 (de
Inventor
Francis Cardot
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.)
CSEM Centre Suisse dElectronique et de Microtechnique SA Recherche et Développement
Original Assignee
CSEM Centre Suisse dElectronique et de Microtechnique SA Recherche et Développement
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 claimed from CH00961/17A external-priority patent/CH714014A1/fr
Application filed by CSEM Centre Suisse dElectronique et de Microtechnique SA Recherche et Développement filed Critical CSEM Centre Suisse dElectronique et de Microtechnique SA Recherche et Développement
Publication of EP3435362A1 publication Critical patent/EP3435362A1/de
Application granted granted Critical
Publication of EP3435362B1 publication Critical patent/EP3435362B1/de
Active legal-status Critical Current
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • 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
    • G04B19/065—Dials with several parts
    • 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
    • G04B19/10—Ornamental shape of the graduations or the surface of the dial; Attachment of the graduations to the dial
    • G04B19/106—Special number markings
    • 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
    • G04B19/16—Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24
    • G04B19/166—Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24 with rotating scales
    • 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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/0023—Inscriptions or pictures moved by the clockwork, e.g. for advertising
    • 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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/0038—Figures or parts thereof moved by the clockwork
    • G04B45/0061—Moving parts of the clockwork, e.g. pendulum, hands in special form, mostly constructed as a figure
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/37—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements

Definitions

  • the invention relates to the general field of microtechnology and in particular the manufacture of parts by silicon etching.
  • the invention more particularly relates to a display system comprising a mechanical display module comprising a plurality of relatively movable elements around each other at least one deformable flexible blade type connection.
  • the invention also relates to a timepiece comprising such a display system.
  • the display module and the display device of the invention find particular application in the watch industry, particularly for the production of watch dials or animated clocks.
  • Analog display systems particularly with needles, have been known and used for decades in a multitude of applications in order to provide a direct indication, for example on a graduated scale, a dial or other system of representation of a value of measuring a physical quantity such as speed, temperature, pressure, intensity, voltage or electrical resistance, any information, or probably the most widespread for the measurement of time.
  • the hands of a display device consist of a rigid unitary body integral with an axis of rotation mu by a movement, for example a watch movement in the case of a timepiece.
  • the needle performs a corresponding rotation, at least one of its free ends describing a circular section trajectory thus pointing in each of its positions on the circular path information value indication physical measured, a calendar of time, or generally any information to be indicated to a user.
  • the indication is thus made essentially in the longitudinal axis of the needle at one and / or the other of its opposite ends, in collaboration where appropriate with an underlying display, such as a scale by example.
  • An object of the invention is to provide a display system comprising an animated display module, in particular for timepieces, comprising elements movable around deformable links of the blade or flexible pivot type, more particularly for the mechanical display of a date of current time, and a simple actuating device to implement.
  • the present invention provides an alternative method of presenting hours and minutes by animating 3D patterns sequentially forming the different values of time.
  • Another object of the invention is to provide such a display system whose actuating device does not require modification of a basic clockwork movement but which can kinematically bind to one or more mobiles of the finishing gear of that directly or indirectly.
  • a particular application of the invention consists in producing animated watch dials selectively mechanically displaying the current hours and minutes in digital form or otherwise.
  • Another object of the invention is to provide a timepiece with such a display system.
  • Each of the display modules can be made by molding and / or machining metal alloys, glasses, ceramics (Al 2 O 3 ), machinable hard polymers and / or photocurable (epoxy, PEEK).
  • the display modules consist of silicon monocrystalline or polycrystalline and obtained by deep silicon etching processes.
  • the actuating device is rotatable about an axis of rotation passing through the geometric center (C).
  • the actuating device is arranged to exert, in at least one angular position about the axis of rotation, a force capable of mobilizing the actuator of each display module so as to move said bodies of mobile display from the rest position to the display position to simultaneously form a said pattern on each display module.
  • the actuating device comprises a first and a second actuating mobile arranged rotatably about the axis of rotation so as to cooperate and mobilize in at least one angular position around the axis of rotation. rotation of the actuator of each display module.
  • the first and second actuating mobiles comprise a cam or a pin.
  • first and second actuating mobiles are indexed in rotation relative to one another about the axis of rotation.
  • the first and second actuating mobiles are indexed in rotation relative to each other around of the axis of rotation so that the patterns are simultaneously formed on each display module are aligned in the same radial direction from the geometric center (C).
  • the actuating device comprises a single actuating wheel arranged to cooperate simultaneously in rotation with the actuator of each display module.
  • a display module is arranged mobile in rotation about the axis of rotation with reference to the other mobile display and indexed in rotation relative to said mobile of actuation so that the patterns are simultaneously formed on each display module are aligned in the same radial direction from the geometric center (C).
  • the at least two display members are integral and movable relative to the frame around a flexible connection at least between said rest position and said display position.
  • the at least two display members comprise a display portion of a said complementary pattern of a display portion of another display member of the same module. display at least to form said pattern in at least one relative position of said display members.
  • each said display module forms a monolithic part comprising said display members, the building, the actuator and one or more deformable links connecting said display members and said actuator to the building.
  • each display module has n display members, n being an integer greater than 1, at least one display member being integral with the building and stationary relative thereto.
  • the display system comprises a first and a second circular dial superimposed and concentric with respect to the geometric center, each dial comprising m said display modules, m being an integer, juxtaposed with each other around the actuating device concentrically at the geometric center so that the latter cooperates simultaneously, in a given angular position around the center with an actuating pusher of a first and a second display module of each said dial.
  • the number m of display modules of each of the dials is between 4 and 24, preferably between 12 and 24.
  • each said circular dial preferably forms a monolithic piece, in particular of monocrystalline or polycrystalline silicon, comprising said m display modules integral with each other obtained by deep etching processes.
  • Such an embodiment allows in particular an incalculable number of aesthetic variations of the dial while allowing to realize very precisely each of the functional parts of each of the display modules, in particular the display members, the building, the actuator as well as the flexible links between the building and the display members and the actuator in particular.
  • the flexible links are for example made of flexible blades with a width of between 2 and 50 microns, the thickness of the frame and the display member (s). being greater than 30 microns. This dimensioning thus effectively provides elasticity to the flexible blades forming the flexible connections while the greater thickness portions of the building and the display members are completely rigid and have no elastic nature.
  • the present invention also relates to a timepiece comprising a display system as previously described.
  • the actuating device is kinematically linked to the hours mobile and the minutes mobile or the pavement of the finishing gear of a watch movement.
  • the pattern of each said display module is configured to display a date of time.
  • the display system of the invention makes it possible, in particular, to operate a simultaneous display of hours and minutes in 5-minute increments by superimposing two cams respectively linked to the barrel of the hours mobile and to the pavement of the finishing train, respectively centered on the geometric center of two dials comprising display modules configured to digitally display the hours for a first dial, the second dial superimposed and concentric to the first allowing it to display minutes.
  • the actuating device is linked only to the hours mobile and at least one display module is kinematically linked to the mobile minutes of the finishing gear of the watch movement.
  • the present invention relates to an analog display system comprising display modules animated by means of a mechanical actuation device, in particular but not exclusively for displaying a time information in a room of watchmaking industry, as shown and described below in Figures 1 to 6 .
  • the invention also relates to a timepiece comprising such a display system.
  • a preferred application of the invention relates to the field of watchmaking, it is not limited to a display of a time information and can also be implemented in any field requiring the use of a system displaying any information or representation in an animated form.
  • such a display module 1 consists of a display module of a pattern M such as a number or a number comprising a fixed frame 2 of which at least two display members are integral, the species three display members 31, 32, 33 to form the number "6" ( Figure 1B ).
  • the display members 31, 32, 33 are integral with the structure 2 and each comprise a display portion 31a, 32a, 33a of the pattern M, said display portions being complementary to one another so that they form said pattern in at least one relative position of said display members 31, 32, 33.
  • the display members 31, 32, 33 are integral with the structure 2 and the members 32, 33 are also movable relative to the structure 2 by means of at least one flexible connection 4 formed by at least one blade flexible 41 between a first rest position, shown on the Figure 1A , in which the display portions of the display members 31, 32, 33 are spaced from each other and a display position, shown in FIG. Figure 1B , wherein said display portions 31a, 32a, 33a are counter-affixed to each other to form and display the pattern M, in this case a number "6".
  • actuation 5 arranged relative to the structure 2 and the display members for transmitting a force capable of inducing a displacement of said display members by elastic deformation around flexible connections also 4 consecutive to the action of an actuating device 6 distinct from the display module 1, such as a cam 61 movable in rotation about an axis A on the Figures 1A and 1B , on the actuating button 5.
  • the display module 1 of the invention is advantageously constituted by a monolithic piece formed of a rigid material, which is understood in the context of the present invention as any material whose Young's modulus is greater than 2.3 GPa. .
  • a preferred embodiment of the display module 1 of the invention is silicon, monocrystalline or polycrystalline, from which it can easily, for example by deep etching processes (including DRIE - for Deep Reactive-ion Etching in English), forming the structure 2 and the display members 31, 32, 33 connected to each other by at least one flexible connection 4, resulting particularly advantageously from the formation during the deep etching process of one or more flexible blades 4 with a width of between 2 and 50 microns, the thickness of the building 2 and the display member or bodies being greater than 30 microns preferably.
  • the movable display members 32, 33 and their display portions 32a, 33a are connected directly to the actuating pusher 5.
  • the display member 31 remains the same as that of the Figures 1A and 1B .
  • This embodiment has the particularity of not presenting any interruption in the motion control chain, from the actuating pusher 5 to the display portions 32a, 33a. There is no friction within the display module 1 due to movements, only deformations, so a minimum energy loss.
  • the Display portions 32a, 33b are connected to the upper ends of two flip-flops 32b and 33b, in rotation about flexible links 4 in the form of flexible "butterfly" pivots 42 integral with the structure 2.
  • the lower end of each of the latches and directly connected through a set of flexible blades 7 serpentine to a plate 51 of the actuating pusher 5, which is also integral with the structure 2 by a linear guide 8 linear guide structure flexible 81.
  • the structural and functional principles of the display module 1 of the Figures 1A and 1B may be extended for producing an animated circular dial I having a plurality of display modules 1 as shown in FIG. figure 2 .
  • Such a dial can be implemented in a timepiece such as a watch or a clock for displaying in animated form the time with an actuating device 6 of the pushers 5 rotatably disposed in the center of the dial and display modules 1 is kinematically connected to the hour wheel of a watch movement of the timepiece.
  • the operation of such a display system is described below with reference to Figures 1A and 1B .
  • the actuating device 6 is represented by a ring bearing on its periphery a cam protrusion 61.
  • the cam 61 pushes the free end of the actuating pusher 5 (FIG. Figure 1B ) which acts as a follower contact, and causes a translational movement of the actuating pusher 5 which then pushes on the intermediate latches 32b, 33b which pivot relative to the frame 2 and thus cause the moving the display portions 32a, 33a to the display position in which said display portions adjust with the portion 31a to form the pattern "6" on the Figure 1B .
  • An animated display system comprising movable display portions according to a determined period to generate a visual animation effect within the display.
  • CH01143 / 16 by providing a display system 100 constituted by the assembly of at least two display modules 1, 1 'and preferably two dials I1, I2 as schematically represented in FIGS. figures 3 and 5 , each dial each comprising 12 display modules 1, 1 'arranged concentrically in a monolithic part forming the dial I1, I2 about a geometric center C through which an axis of rotation A of an actuating device 6 comprises one or two cams 61, 62 as described below with reference to figures 4 and 6 .
  • Each of the display modules 1, 1 'thus forms a quarter or sector of time display of the dials I1, I2.
  • Each dial I1, I2 consists of a circular armature 10, 20 incorporating radial beams 11, 21 which support the display modules 1, 1 'set in motion by the movement of actuating pushers 5, 5' present in each of the hourly districts.
  • the first dial I1 is intended to display the hours sequentially in each of the time districts according to the displayed value.
  • the I1 dial is preferably, in use in a timepiece, fixed to the B-frame of the timepiece, for example by means of an extension of the radial beams 11.
  • the actuating pusher 5 is movement by the action of rotation of a first cam 61 of the actuating device 6, kinematically connected to the hour wheel H of the finishing gear of a watch movement and which comes into contact with the actuating pusher 5 .
  • the second dial I2 is intended to display the minutes, in increments of five minutes for example.
  • This dial I2 is not in the same plane as the dial I1 but it is advantageously superimposed coaxially to the axis A.
  • the dial I2 is located on the dial I1 and the minute digit is displayed on a different diameter of the display diameter hours so as not to disturb the reading of these different values.
  • the dial I2 is also like the dial I1 attached to the building B of the timepiece, for example by means of an extension of the radial beams 21.
  • the actuating device 6 comprises two cams 61 and 62 cooperating respectively with the actuator pusher 5 of the dial I1 to display the hours in the display modules 1 of this dial I1 and with the actuator pusher 5 'of the dial I2 to display the minutes in the display modules 1' of the dial I2 .
  • the cam 61 is advantageously secured to a barrel fixed to the hour wheel H of the finishing gear of the movement of the timepiece, while the cam 62 is secured to the roadway Mi of the same work train. This gives an advantage of hours and minutes as represented on the figure 3 , with hours and minutes offset on two different diameters.
  • the dial I2 is this time rotatably mounted about the axis A of rotation of the device actuator, fixed on a rotary peripheral element, a disk or as shown here a ring 22, for example by means of an extension of the radial beams 21.
  • the ring 22 is advantageously arranged in kinematic connection, by any known means of the skilled person in watchmaking, with the minute wheel of the finishing gear of the watch movement, which prints to the ring 22 and the dial I2 which is secured to it a rotation speed about 12 times greater than the speed of rotation of the watch.
  • a single cam 61 integral with the barrel of the hour wheel H.
  • the differential angular velocity of the dial I2 with respect to the hour wheel H which causes the actuating pusher 5 'of the display modules 1' of the minute dial I2 to come into contact with the cam 61 and thus allows the sequential display of the minutes.
  • the dial I2 rotates clockwise with an angular speed of 390 ° / hour, or counterclockwise with an angular speed of 330 ° / hour, then the sequential display of the minutes is always done from the time zones of the two dials I1, I2 hours and minutes absolutely superimposed angularly about the axis A rotation, so that the displays of the hours and minutes are aligned radially to the axis A and the center C of the dials.
  • the display position of the minutes therefore follows the temporal evolution of the display position of the hours.
  • a hole 30 present in the barrel of the hour wheel H essentially due to the absence of minutes and second axis of the pavement, releases a passage allowing, if necessary to draw kinematic links between the watch movement, located under the display system 100, and a space 50 located above the display system 100 to provide additional functions, such as a needle dial.
  • This space can also accommodate a part of the watchmaking movement, for example the time regulating organ (anchor, escape wheel, ).
  • This space could accommodate a tourbillon rotating in five minutes by driving an index pointing to a dial graduated from 1 to 4, creating a secondary display of the minute.
  • first and second actuating mobiles 61, 62 comprise a cam 61 or a lug.
  • each display module 1, 1 ' consists of monocrystalline or polycrystalline silicon.
  • the actuating device is rotatable about an axis of rotation A passing through the geometric center C.
  • the actuating device 6 is arranged to exert, in at least one angular position about the axis of rotation, a force capable of mobilizing the actuator 5, 5 'of each display module 1, 1'. to move said movable display members 32, 33; 32 ', 33' from the rest position to the display position to simultaneously form a said pattern M, M 'on each display module 1, 1'.
  • the at least two display members 32, 33; 32 ', 33' are integral and movable relative to the frame 2, 2 'around a flexible connection 4, 4' at least between said rest position and said display position.
  • each display module comprises n display members 31, 32, 33; 31 ', 32', 33 ', n being an integer greater than 1, at least one display member 31, 31 'being integral with the building and stationary relative thereto.
  • the actuating device 6 is kinematically linked to the hours mobile and at least one display module is kinematically linked to the mobile of the minutes of a watch movement, the pattern M, M 'of each said module of display being configured to display a date of time.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Electromechanical Clocks (AREA)
EP18184006.7A 2017-07-24 2018-07-17 Anzeigesystem, das ein anzeigemodul über mobile elemente um flexible verbindungen umfasst, und uhr, die ein solches anzeigesystem umfasst Active EP3435362B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00961/17A CH714014A1 (fr) 2017-07-24 2017-07-24 Système d'affichage comportant deux modules d'affichage par éléments mobiles autour de liaisons flexibles, et pièce d'horlogerie comportant un tel système d'affichage.
CH00962/17A CH714015A1 (fr) 2017-07-24 2017-07-24 Système d'affichage comportant deux modules d'affichage par éléments mobiles autour de liaisons flexibles, et pièce d'horlogerie comportant un tel système d'affichage.

Publications (2)

Publication Number Publication Date
EP3435362A1 true EP3435362A1 (de) 2019-01-30
EP3435362B1 EP3435362B1 (de) 2020-09-09

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EP18184015.8A Active EP3435363B1 (de) 2017-07-24 2018-07-17 Anzeigesystem, das ein anzeigemodul über mobile elemente um flexible verbindungen umfasst, und uhr, die ein solches anzeigesystem umfasst
EP18184006.7A Active EP3435362B1 (de) 2017-07-24 2018-07-17 Anzeigesystem, das ein anzeigemodul über mobile elemente um flexible verbindungen umfasst, und uhr, die ein solches anzeigesystem umfasst

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EP18184015.8A Active EP3435363B1 (de) 2017-07-24 2018-07-17 Anzeigesystem, das ein anzeigemodul über mobile elemente um flexible verbindungen umfasst, und uhr, die ein solches anzeigesystem umfasst

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CH (1) CH714015A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114326355B (zh) * 2021-12-31 2023-06-30 深圳市新隆达表业有限公司 一种可变表盘结构及具有该结构的手表
CN116469311B (zh) * 2023-03-20 2026-01-23 京东方科技集团股份有限公司 显示组件及显示装置
EP4459382A1 (de) * 2023-05-03 2024-11-06 Cartier International AG Dekorationsgegenstand

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59176687A (ja) * 1983-03-26 1984-10-06 Mamoru Fujimoto ２４時表示時計
WO2006024311A1 (fr) * 2004-08-31 2006-03-09 Dalton Properties Inc Mecanisme d’affichage de chiffres, figures ou signes animes sur un cadran de piece d’horlogerie
CH710331A2 (fr) * 2014-11-05 2016-05-13 Blancpain Sa Mécanisme d'affichage de caractères pour pièce d'horlogerie.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US755272A (en) * 1903-10-08 1904-03-22 George E Burnham Changeable sign.
ATE544099T1 (de) * 2004-08-30 2012-02-15 Bnb Concept Sa Mechanismus zum anzeigen von bildern, zahlen oder zeichen, die auf dem zifferblatt einer uhr produziert werden

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59176687A (ja) * 1983-03-26 1984-10-06 Mamoru Fujimoto ２４時表示時計
WO2006024311A1 (fr) * 2004-08-31 2006-03-09 Dalton Properties Inc Mecanisme d’affichage de chiffres, figures ou signes animes sur un cadran de piece d’horlogerie
CH710331A2 (fr) * 2014-11-05 2016-05-13 Blancpain Sa Mécanisme d'affichage de caractères pour pièce d'horlogerie.

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EP3435362B1 (de) 2020-09-09
CH714015A1 (fr) 2019-01-31
EP3435363B1 (de) 2020-05-13
EP3435363A1 (de) 2019-01-30

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