EP4102309A1 - Uhr, die ein verkleidungselement umfasst, das mit einem teil aus zirkonoxid ausgestattet ist - Google Patents

Uhr, die ein verkleidungselement umfasst, das mit einem teil aus zirkonoxid ausgestattet ist Download PDF

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Publication number
EP4102309A1
EP4102309A1 EP22170894.4A EP22170894A EP4102309A1 EP 4102309 A1 EP4102309 A1 EP 4102309A1 EP 22170894 A EP22170894 A EP 22170894A EP 4102309 A1 EP4102309 A1 EP 4102309A1
Authority
EP
European Patent Office
Prior art keywords
light
timepiece
zirconia
light source
timepiece according
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.)
Pending
Application number
EP22170894.4A
Other languages
English (en)
French (fr)
Inventor
Michel Willemin
Loïc Curchod
Pierpasquale Tortora
Simon Springer
Cédric Faure
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.)
Swatch Group Research and Development SA
Original Assignee
Swatch Group Research and Development 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 Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Publication of EP4102309A1 publication Critical patent/EP4102309A1/de
Pending 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
    • G04B19/30—Illumination of dials or hands
    • G04B19/32—Illumination of dials or hands by luminescent substances
    • 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
    • G04B45/0015—Light-, colour-, line- or spot-effects caused by or on stationary 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
    • G04B19/30—Illumination of dials or 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
    • G04B37/00—Cases
    • G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases
    • G04B37/225—Non-metallic cases
    • 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
    • G04B45/0007—Light-, colour-, line-, or spot-effects caused by parts or pictures moved by the clockwork
    • 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
    • G04B45/0076—Decoration of the case and of parts thereof, e.g. as a method of manufacture thereof
    • 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
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • 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
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/04—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached ornaments or amusement apparatus
    • 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
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/06—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached measuring instruments, e.g. pedometer, barometer, thermometer or compass
    • 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
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/06—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached measuring instruments, e.g. pedometer, barometer, thermometer or compass
    • G04B47/063—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached measuring instruments, e.g. pedometer, barometer, thermometer or compass measuring physiological quantities, e.g. pedometers, heart-rate sensors, blood pressure gauges and the like
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • G04C17/02—Indicating the time optically by electric means by electric lamps

Definitions

  • the present invention relates to a timepiece comprising at least one casing element comprising at least one part made of a ceramic material. More specifically, the present invention relates to a timepiece exhibiting original play of light, for a functional, aesthetic and/or playful purpose. The present invention also relates to a use of such a timepiece to obtain original functional applications of illuminations on the timepiece.
  • timepieces such as wristwatches having an improved aesthetic appearance is a constant concern among watch manufacturers and in particular among those responsible for designing the various exterior elements. It would take too long to list here all the solutions that have been considered to give a timepiece as neat and aesthetic as possible.
  • the present invention is part of the quest which aims to offer customers watches whose appearance is at the same time aesthetic, surprising and functional.
  • the timepiece typically a watch, comprises one or more light sources which make it possible to illuminate the ceramic material from inside the case, under the dial, by producing light which passes through the transparent or translucent part of this ceramic material.
  • the ceramic material part of the covering element can be a piece attached to the latter.
  • the lateral periphery of the middle part of the watch, the zones around the winding crown and/or the push-buttons, or even the optical elements towards the bracelet strands can thus be illuminated.
  • the dial can also be illuminated via selectively semi-transparent zones (appliques) provided on the latter.
  • the invention overcomes the drawbacks of the prior art by providing a timepiece that is sealed and stable over time, and allows light to escape from the inside of a covering element of the part with transmission optimal light, while presenting original plays of light, for a functional, aesthetic and/or playful purpose.
  • the present invention relates to a timepiece comprising, in addition to a crystal, the following covering elements: a back, a middle part, a dial, and two bracelet strands, one at least of these covering elements comprising a body formed of at least a first part made up of a first opaque material and of at least a second part made up of a second partially transparent or translucent material, the said first material being formed in one piece with said second material and the timepiece further comprising at least one light source producing light which passes through said at least one second part made of a partially transparent or translucent ceramic material comprising zirconia.
  • zirconia as a ceramic material that is at least partially transparent or translucent makes it possible to provide a surprising illumination for the timepiece, giving it a precious and more or less diffuse, discreet, soft and pleasant appearance, these characteristics being able to be varied practically to infinity depending on the desired aesthetic rendering, which increases the final aesthetic quality of the timepiece.
  • zirconia stabilized in the tetragonal phase by the addition of yttria is the technical ceramic that offers both the best mechanical toughness and one of the best transmission coefficients. bright.
  • the timepiece according to the invention may for example be an electronic, electromechanical and/or mechanical watch, and in particular a sports watch or a so-called “luxury” watch.
  • the extraction of light through the second zirconia part of the covering element does not require the assembly of various transparent components attached to the covering element.
  • the second material having been made in one piece with the first material together form the entire one-piece body of the trim element, which makes it possible to guarantee the tightness and the stability over time of this element of covering and therefore of the timepiece. Thanks to the invention, there is therefore no need to provide specific light paths, machined in the part, and which would have to be sealed.
  • the covering element comprises a ceramic material such as zirconia.
  • This covering element is preferably a one-piece piece comprising the ceramic material of the zirconia type.
  • the composition and the thickness of the second zirconia part are chosen so that the average light transmission coefficient in the visible spectrum has a value of at least 30%, preferably 40% or more.
  • the zirconia is white zirconia. More preferably, the zirconia is tetragonal zirconia.
  • the zirconia is advantageously doped with alumina pigments, preferably doped with 5% by weight of alumina pigments. This allows the level of translucency of the zirconia to be adjusted to different values depending on the wishes of the manufacturer.
  • said at least one light source comprises a light-emitting diode.
  • said at least one light source is an extended light source, configured to produce continuous or quasi-continuous illumination on the zirconia part of the covering element.
  • the light-emitting diode is an organic light-emitting diode evaporated or printed on the trim element to be illuminated or on a substrate inserted into or under the trim element to be illuminated, said diode electroluminescent organic forming the extended light source.
  • the extended light source comprises, in addition to the light-emitting diode, a light guide, said light guide being coupled to the light-emitting diode and being capable of diffusing the injected light over its entire length by the light-emitting diode.
  • the timepiece further comprises a shutter or an optical valve mounted on a moving part of the timepiece, the shutter or the optical valve being arranged facing said at least one extended light source and being configured to have only one position at which the light emitted by the light source escapes from the inside of the timepiece to the outside of the latter.
  • a shutter or an optical valve mounted on a moving part of the timepiece, the shutter or the optical valve being arranged facing said at least one extended light source and being configured to have only one position at which the light emitted by the light source escapes from the inside of the timepiece to the outside of the latter.
  • the second zirconia part of the covering element to be illuminated comprises at least one inscription intended to be illuminated by the light issuing from the light source.
  • said at least one inscription is made in the second zirconia part via a method chosen from the group consisting of: selective carburization and/or nitriding of the surface of the zirconia; a variation in the thickness of the zirconia by mechanical or laser engraving; a variation in the density of the zirconia; an opaque or semi-transparent impression on the surface of the zirconia; physical deposition in phase PVD vapor structured on the zirconia surface or inside the zirconia part; and a combination of two or more of these methods.
  • the inscription forms an active conductive structure, of the electrical conduction track or antenna type.
  • Such structures can be highlighted by illumination of the zirconia around these structures, but also be advantageously used to bring the current necessary to the light source to produce the illumination.
  • said at least one inscription is configured to be invisible to natural light and only to become visible once illuminated by the light coming from the light source.
  • the inscription can for example become visible by appearing in negative on the surface of the zirconia.
  • said at least one light source is mounted on a moving part of the timepiece, under the casing element to be illuminated, for example mounted on a pseudo-hand configured to rotate around the axis of the hands .
  • timepiece comprises a plurality of light sources arranged in or under the covering element comprising the said at least a second part consisting of a second partially transparent or translucent material, and in that the switching on and off of the light sources are configured in such a way that the timepiece has, on the element of casing illuminated by the light sources, at least one visual indication of a function specific to the timepiece and/or relating to a measurement of a external parameter or a parameter concerning the user of the timepiece.
  • the switching on and off of the light sources are configured in such a way that the timepiece has, on the covering element illuminated by the light sources, one or several visual indications relating to one or more of the following functions: indication of the hour, minutes and/or date; indication of a stopwatch or a countdown with luminous areas of the trim element which light up, respectively go out, as the time elapses; indication of a magnitude measured by the timepiece by illumination modulated in color, rhythm, frequency and/or intensity on the covering element, for example indication of a heart rate, of a temperature, a running pace, a number of steps or even a decibel level; indication of alarm or notification receipt; indication of an active function for the timepiece; help in adjusting the timepiece.
  • the switching on and/or the switching off of the light sources is controlled simultaneously and/or in sequence.
  • the present invention proceeds from the general inventive idea which consists in housing at least one light source in or under at least one trim element of a timepiece.
  • This covering element comprises a body formed of at least a first part made of a first non-transparent or non-translucent or opaque or substantially opaque material, and of at least a second part made of a second transparent or translucent material. or at least partially transparent or at least partially translucent.
  • the first matter came from matter with the second matter.
  • the second material consists essentially or exclusively or entirely of a ceramic material such as zirconia.
  • the trim element is preferably a one-piece piece. It will be understood that the one-piece body of this covering element preferably consists solely of this said at least one first part and of this said at least one second part.
  • said at least one second part extends in the thickness of the body of the trim element defined between external and internal surfaces of this body. By thus extending into this thickness, this second part connects these outer and inner surfaces together.
  • the first material is preferably present in the body of this trim element in a greater proportion than the second material.
  • this first subject can also be called main subject and the second subject, secondary subject.
  • the first material can constitute between 60 and 90% of the body of the trim element, preferably 75%.
  • the second material is visually identifiable in the trim element because it corresponds to said at least one second part or transparent or translucent zone of the body of this trim element.
  • the total area occupied on the external or visible surface of the body of the trim element by the second part(s) is less than the total area occupied on this same face by the first part(s).
  • this first material may be in a smaller proportion than the second material in the body of this trim element.
  • the first material can then constitute between 20 and 30% of the body of the trim element, preferably 25%. It is understood that in this context the total area occupied on the visible face of the body of the trim element by the first part(s) is less than the total area occupied on this same face by the second part(s).
  • the first material constituting the first part of the body of this covering element is preferably devoid of zirconia.
  • the second material constituting the second part of the body of the covering element which is transparent or translucent comprises the ceramic material comprising zirconia.
  • the first material of the body of this covering element can consist partly or entirely of zirconia non-transparent or non-translucent or opaque or substantially opaque.
  • the second material then consists essentially or exclusively of transparent or translucent zirconia.
  • the body of the trim element is entirely made of zirconia.
  • the second part is the only portion of the body of the trim element which is transparent or translucent.
  • the body of the trim element comprises at least a second transparent or translucent part. This second part constitutes a portion of the casing element through which the light produced by the light source can escape to the outside of the timepiece.
  • the first material came from material with the second material.
  • Such a configuration makes it possible to guarantee the tightness and the stability over time of the casing element and therefore of the timepiece.
  • This provides a timepiece that is watertight and stable over time, with original light effects providing surprising illumination for the timepiece, for functional, aesthetic and/or playful purposes.
  • This makes it possible to give the timepiece a precious and more or less diffuse, discreet, soft and pleasant aspect, these characteristics being able to be varied practically infinitely according to the desired aesthetic rendering, and this without requiring the assembly of components. transparencies attached to the trim element.
  • the figure 1 is a sectional view of a middle part 1 delimiting with a back 2 and a dial 3 an interior volume 4 of a watch case 6.
  • the watch case 6 is closed at the top by a crystal 34.
  • the watch is an electronic watch and that its movement M is arranged in the bottom of the watch case 6.
  • a support plate 8 of the printed circuit board or flexible PCB type can be placed above the movement M on which are mounted a light source 10, for example of the light-emitting diode or LED type, and its electronic control circuit 12.
  • the light source 10 is arranged in the caseband 1 to be illuminated.
  • the light source 10 is arranged under the trim element to be illuminated. More precisely, the light source 10 is arranged directly under an internal surface of the body of the trim element to be illuminated while being pressed against this internal surface. This light source can be pressed against a portion of the internal surface comprised in said at least one second part. Provision can also be made, according to a variant not shown, for the light source 10 to be mounted on a moving part of the timepiece, under the body of the trim element to be illuminated. For example, when the covering element to be illuminated is a bezel 26 mounted on the caseband 1, the light source 10 can be mounted on a pseudo-hand configured to rotate around the axis of the hands 29.
  • any type of light source 10 can be used, whether point or extended.
  • the light source 10 is an extended light source, it produces continuous or quasi-continuous illumination on the second part in transparent or translucent zirconia of the trim element in question through which the light will escape from the interior volume. 4 of the watch case 6.
  • a light-emitting diode is used for the light source 10.
  • the light-emitting diode emits, for example, ultraviolet, violet, blue, white or infrared light in combination with a covering element charged with fluorescent and/or phosphorescent particles.
  • the trim element to be lit in this case the caseband 1 in zirconia in the particular embodiment of the figure 1 , is charged at the place or places where it is desired that the light escapes from the inside of the watchcase 6.
  • the fluorescent and/or phosphorescent particles absorb the radiation emitted by the diode and re-emit homogeneous visible light.
  • the luminous effect ceases immediately after the light source has been switched off or, on the contrary, continues through the afterglow effect.
  • the light source 10 is an extended light source which comprises a light emitting diode 18 and a light guide 22.
  • the light emitting diode 18 is connected to an electronic control circuit 12.
  • the light guide 22 is coupled to the light emitting diode 18 and is fixed along the inner side of the middle part 1 in zirconia. The light guide 22 thus makes it possible to bring the light from the point where it is injected into the guide 22 up to the level of the second part or parts in transparent or translucent zirconia of the covering element or elements considered by which the light will escape from the interior volume 4 of the watch case 6.
  • the light guide 22 is an optical fiber which makes it possible to circumvent any obstacles which may arise between the light-emitting diode 18 and the second transparent part or translucent zirconia of the covering element considered through which the light will escape from the interior volume 4 of the watch case 6.
  • the optical fiber 22 can be an optical fiber which diffuses the injected light over its entire length. The fact that the optical fiber 22 is coupled to a single light-emitting diode 18 saves costs and energy used to achieve the illumination of the second zirconia part.
  • the light source 10 is an extended light source consisting of a organic light-emitting diode evaporated or printed on the trim element to be illuminated or on a substrate inserted in or under the trim element to be illuminated.
  • the organic light-emitting diode is evaporated or printed on the portion of the internal surface of the body of the trim element which is included in the second part to be illuminated or on a substrate inserted in or directly under this portion .
  • the light source 10 is an extended light source having the shape of a number, letter, logo or text.
  • the light source 10 is powered for example by a rechargeable or interchangeable battery 14 and conventionally arranged under the clock movement M on the side of the bottom 2 of the watch case 6.
  • the watch according to the invention can be electronic , electromechanical or even purely mechanical. In the latter case, it will suffice to provide a housing to receive a battery which will be intended to power only the light source 10 and its electronic control circuit 12.
  • the present invention can be applied to any type of wristwatch, the only constraint to be observed being that there is no obstacle to the propagation of light between the light source and the covering element through which said light must exit.
  • the present invention has been described in connection with the caseband 1 as the only covering element made up of the first material made in one piece with the second material comprising at least partially transparent or translucent zirconia.
  • the present invention is however applicable to any other trim element of a timepiece whose body is made of the second zirconia material at least partially transparent or translucent, such as for example the dial 3 (visible on the picture 3 ), the back 2, the bezel 26, a flange (not shown in the figures), or even bracelet strands 30 (visible on the figure 4 ).
  • the second zirconia material constituting the second part or parts of this body of the covering element intended to be illuminated is included in an upper part of the middle part 1 or of the bezel 26.
  • the second zirconia material constituting this body of the trim element intended to be illuminated is a second part of a control member of the watch such as a push-button 16, or a second part of a winding crown, possibly fitted with a crown cap.
  • the winding crown and/or the crown cap comprises at least a second part made of this second material which is at least partially transparent or translucent.
  • the timepiece is a wristwatch.
  • the timepiece is a wristwatch.
  • the bezel 26 and the dial 3 can each be provided with a first totally opaque part and not let any the light only at the level of the appliques 24, the latter being the second parts of the body of this trim element made of the second transparent or translucent zirconia material.
  • the body of each of these trim elements is proportionally made up of a greater quantity of first material than of second material.
  • the appliques 24 of the bezel 26 and/or the dial 3 can be made from the first opaque material and the rest of the body of each of these covering elements from the second material, transparent or translucent zirconia.
  • the body of each of these trim elements comprises proportionally more second material than first material.
  • the wristwatch can for example comprise several point light sources, more precisely as many point light sources as there are appliques 24 (twelve in the example illustrated). Each point light source is then provided to directly or indirectly illuminate one of the sconces 24.
  • the wristwatch may alternatively comprise a single extended light source, typically an extended light source similar to that illustrated on the figure 2 , comprising a light-emitting diode and a light guide coupled to the diode.
  • the light guide can then be provided to extend under the dial 3 to be illuminated, substantially opposite the periphery of the dial 3 and therefore of the appliques 24.
  • the light produced by the light source 10 is injected into the strands 30 of a transparent or translucent bracelet.
  • a middle part 1 which has two second parts made of a second material in transparent or translucent zirconia 32a and 32b substantially at noon and at six o'clock, that is to say at the places where the strands 30 of the bracelet are fixed to said caseband 1.
  • two light sources 10 can each be provided facing one of the two second zirconia parts 32a, 32b of caseband 1. The light produced by the two light sources 10 emerges from the watch case 6 by said two second parts in second material 32a, 32b and is injected into the two transparent or translucent strands 30 of the bracelet in which it diffuses.
  • trim element(s) of the watch which allow all or part of the light produced by the light source to pass can be illuminated directly by this light source. These trim elements can nevertheless also be illuminated indirectly by the light source.
  • the second part of the covering element to be illuminated consists of the second material in white zirconia.
  • the zirconia may be colored zirconia.
  • the zirconia is tetragonal zirconia.
  • the zirconia is advantageously doped with alumina pigments, preferably doped with 5% by weight of alumina pigments.
  • the composition and the thickness of the second material of the second part extending in the body of the covering element are chosen so that the average light transmission coefficient in the visible spectrum has a value d at least 30%, preferably 40% or more. It will be noted that when the first material of the first part consists partially or exclusively of non-transparent or non-translucent or opaque or substantially opaque zirconia, the composition and the thickness of the body comprising this material are chosen so that the coefficient of light transmission average in the visible spectrum is zero.
  • the zirconia used in this insert is typically white zirconia.
  • the insert is provided at the place or places where it is desired that the light escapes from the inside of the watch case 6. The rest of the covering element is then for example made up of the first material.
  • the timepiece when the light source 10 is an extended light source, the timepiece further comprises a shutter or an optical valve mounted on a moving part of the timepiece.
  • the moving part is for example a hand or a pseudo-hand of the timepiece.
  • the shutter or the optical valve is arranged facing the extended light source 10 and is configured to have only one position for which the light emitted by the light source 10 escapes from the inside of the timepiece towards the outside of the latter.
  • the inscription when the inscription is made in the second zirconia part by selective carburization and/or nitriding of the surface of this second zirconia part, the inscription forms an active conductive structure, of the electrical conduction track or antenna type.
  • the timepiece according to the present invention can advantageously be used to provide various functional applications to a user of the timepiece.
  • the timepiece comprises several light sources 10.
  • Each light source 10 is placed in or under the covering element comprising the second zirconia part to be illuminated.
  • each light source 10 can be arranged directly under the portion of the surface interior of the covering element included in the second zirconia part to be illuminated. The light source is then positioned by plating, gluing or by any other type of means on this portion of the internal surface of this covering element.
  • the switching on and off of the light sources 10 are configured so that the timepiece has, on the covering element illuminated by the light sources 10, at least one visual indication of a function specific to the timepiece and/or relating to a measurement of an external parameter or of a parameter relating to the user of the timepiece.
  • the switching on and/or the switching off of the light sources 10 can be controlled by the electronic control circuit 12 simultaneously and/or in sequence. It will be noted that each light source 10 is switched on and off separately by this electronic control circuit 12.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Cardiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physiology (AREA)
  • Electric Clocks (AREA)
EP22170894.4A 2021-06-08 2022-04-29 Uhr, die ein verkleidungselement umfasst, das mit einem teil aus zirkonoxid ausgestattet ist Pending EP4102309A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21178160 2021-06-08

Publications (1)

Publication Number Publication Date
EP4102309A1 true EP4102309A1 (de) 2022-12-14

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EP22170894.4A Pending EP4102309A1 (de) 2021-06-08 2022-04-29 Uhr, die ein verkleidungselement umfasst, das mit einem teil aus zirkonoxid ausgestattet ist

Country Status (4)

Country Link
US (1) US20220390900A1 (de)
EP (1) EP4102309A1 (de)
JP (1) JP7402919B2 (de)
CN (1) CN115453845A (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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WO2010146162A1 (fr) 2009-06-18 2010-12-23 Eta Sa Manufacture Horlogere Suisse Piece d'horlogerie a effets esthetiques speciaux
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