EP3112958B1 - Piece d'horlogerie comprenant un dispositif de communication en champ proche - Google Patents

Piece d'horlogerie comprenant un dispositif de communication en champ proche Download PDF

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Publication number
EP3112958B1
EP3112958B1 EP15174746.6A EP15174746A EP3112958B1 EP 3112958 B1 EP3112958 B1 EP 3112958B1 EP 15174746 A EP15174746 A EP 15174746A EP 3112958 B1 EP3112958 B1 EP 3112958B1
Authority
EP
European Patent Office
Prior art keywords
communication device
timepiece
bezel
pocket
magnetic screen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15174746.6A
Other languages
German (de)
English (en)
French (fr)
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EP3112958A1 (fr
Inventor
Jérôme DAVID
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.)
Bulgari Horlogerie SA
Original Assignee
Bulgari Horlogerie 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 Bulgari Horlogerie SA filed Critical Bulgari Horlogerie SA
Priority to EP15174746.6A priority Critical patent/EP3112958B1/fr
Priority to US15/193,828 priority patent/US10877441B2/en
Priority to CA2934409A priority patent/CA2934409C/en
Priority to TW105120606A priority patent/TWI725038B/zh
Priority to KR1020160082879A priority patent/KR20170004885A/ko
Priority to JP2016129493A priority patent/JP6916599B2/ja
Priority to CN201610651765.0A priority patent/CN106325058A/zh
Publication of EP3112958A1 publication Critical patent/EP3112958A1/fr
Application granted granted Critical
Publication of EP3112958B1 publication Critical patent/EP3112958B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R20/00—Setting the time according to the time information carried or implied by the radio signal
    • G04R20/26—Setting the time according to the time information carried or implied by the radio signal the radio signal being a near-field communication signal
    • G04R20/28—Tuning or receiving; Circuits therefor
    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R20/00—Setting the time according to the time information carried or implied by the radio signal
    • G04R20/26—Setting the time according to the time information carried or implied by the radio signal the radio signal being a near-field communication signal
    • 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
    • G04B19/28—Adjustable guide marks or pointers for indicating determined points of time
    • G04B19/283—Adjustable guide marks or pointers for indicating determined points of time on rotatable rings, i.e. bezel
    • 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
    • G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G21/00—Input or output devices integrated in time-pieces
    • G04G21/04—Input or output devices integrated in time-pieces using radio waves
    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R60/00—Constructional details
    • G04R60/06—Antennas attached to or integrated in clock or watch bodies
    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R60/00—Constructional details
    • G04R60/06—Antennas attached to or integrated in clock or watch bodies
    • G04R60/08—Antennas attached to or integrated in clock or watch bodies inside bezels
    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R60/00—Constructional details
    • G04R60/06—Antennas attached to or integrated in clock or watch bodies
    • G04R60/10—Antennas attached to or integrated in clock or watch bodies inside cases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/526—Electromagnetic shields

Definitions

  • the invention relates to a timepiece provided with an automatic, mechanical or electronic movement such as a quartz movement comprising a near-field communication device of the NFC or even RFID type, the communication device comprising an electronic chip connected to an antenna.
  • the communication device is able to connect to an associated peripheral when it is located at a close distance from the latter and to transmit to it a radio signal relating to information concerning it.
  • such a communication device is placed in components of the timepiece such as the case, the middle part, the bracelet or even the crystal.
  • timepieces equipped with a near-field communication device are disclosed in the documents: JP 2013 197786 A , US 2014/179242 A1 , JP 2008 298585 A , JP 2013 015320 A , US 5,798,984 A , US 2014/225786 A1 , EP 0 884 661 A2 , CH 701 919 A2 , EP 1 892 651 A1 , EP 0 884 662 A2 , and EP 2 228 695 A1 .
  • the present invention aims to overcome such drawbacks associated with timepieces of the state of the art.
  • the present invention defines a timepiece according to claim 1.
  • the timepiece 35 is provided with a case 20 comprising a middle part 22 and a bottom 24, visible on the figure 9 .
  • the case 20 of this timepiece 35 is capable of receiving an automatic, mechanical or even electronic movement such as a quartz movement. This movement is surmounted by a dial 1 and a set of hands above which is arranged a crystal 21.
  • This timepiece 35 also comprises a bezel 2 which can be fixed or rotating and which is preferably arranged at the edge of the middle 22.
  • timepiece 35 comprising a near-field communication device 4 able to transmit/receive a signal as well as a magnetic screen 8 are described.
  • a first embodiment of the timepiece 35 comprises the communication device 4 arranged at the level of the dial.
  • the communication device 4 is located in the bezel 2 of part 35.
  • Such technologies thus allow the timepiece 35 to be able to exchange information over short distances, with other associated peripherals.
  • Such distances can be between about 0 and 20 cm, and preferably between 0 and 2 cm.
  • This communication device 4 can be of the passive type with energy supplied to it by the radio frequencies emitted by each associated peripheral.
  • this near field communication device 4 comprises an electronic chip 6 and at least one antenna 5.
  • the chip 6 which is connected to said at least one antenna 5, comprises hardware and software elements.
  • the hardware and/or software elements of chip 6 of device 4 more specifically comprise at least one microprocessor 13a cooperating with memory elements 13b.
  • This chip 6 can be capable of executing program code instructions for implementing a computer program.
  • the memory elements 13b of this chip 6 can archive data relating to information on the timepiece 35 or even on the wearer of this piece.
  • the communication device 4 can comprise a substrate 16 made of plastic or of laminated composites on which the chip 6 and antenna 5.
  • the magnetic screen 8 also called magnetic shielding element has a magnetic permeability adapted to the frequency bands of the magnetic field generated by the communication device 4.
  • the magnetic screen 8 has a high initial magnetic permeability ⁇ ′ with ⁇ ′ > 100 and low magnetic losses ⁇ ′′ with ⁇ ′′ ⁇ 7, and preferably a magnetic permeability ⁇ ′ of 150 and losses magnetic ⁇ " of 5.
  • Such a magnetic screen 8 preferably has an electrical resistivity greater than 1000 K ⁇ /m and a thickness comprised between 50 and 200 ⁇ m, and preferably 180 ⁇ m.
  • the magnetic screen 8 can preferably be made of metallic material such as ferrite.
  • This magnetic screen 8 makes it possible to avoid a modification of the magnetic field emitted or received by the communication device, modification which would be due to the presence of various metallic components 33 located in the immediate environment of the communication device 4 such as the casing 20 or even the movement of the part 35. Indeed, the magnetic screen 8 is capable of reducing the negative influence that these metal components 33 may have on the performance of the communication device 4. This negative influence would consist of the attenuation of the magnetic field generated or received by this communication device 4.
  • FIG. 11A a schematic representation of a timepiece 31 comprising the communication device 4 arranged at the level of the bezel 1 and/or of the dial 2 and metallic components 33 such as the case 20 or even the movement is illustrated.
  • This part 31 is different from that of the invention in that it does not have the magnetic screen 8.
  • the communication device 4 when the communication device 4 generates a magnetic field characterized by lines of magnetic flux, the latter crossing zones of this or these metallic components 33 located in the immediate environment of the communication device 4.
  • the variations of this magnetic field which crosses these metallic components 33 are able to create the appearance of electric currents called "eddy currents" in these areas. Such creation of electric currents in these zones has the effect of attenuating the intensity of this magnetic field.
  • the timepiece 35 comprises, in addition to the communication device 4 and metallic components 33, the magnetic screen 8 as is the case in the present embodiment of the invention.
  • This magnetic screen 8 is arranged between the communication device 4 and the metal component or components 33 which are in the immediate environment of this device 4, according to different configurations described below.
  • the magnetic screen 8 is capable of channeling this magnetic field by modifying the lines of magnetic flux resulting from this field so that the latter do not cross the metallic components 33.
  • this or these metallic components 33 are then magnetically isolated from the magnetic field generated by the device communication device 4.
  • the magnetic screen 8 is able to separate the timepiece 35 into two zones, a first zone comprising the magnetic fields generated by the communication device 4 and a second zone which is not exposed to these magnetic fields thanks to the action of the magnetic screen 8.
  • this magnetic screen 8 makes it possible to improve the efficiency and the sensitivity of the reception/transmission of radio signals by the antenna 5 of the communication device 4 by isolating this antenna 5 from the metal components 33 included in its immediate environment.
  • this magnetic screen 8 can be flexible or rigid and comprise at least one layer, a plate, a film or a metal deposit, preferably made of ferrite, or even a polymer resin charged with metal particles of ferrite. Such a magnetic screen 8 is thus compact.
  • the magnetic screen 8 is associated with the communication device 4 by being arranged in the part 35 relative to this communication device 4, or relative to this communication device 4 and to at least one metallic component 33 of said part 35 included in the immediate environment of the communication device 4.
  • the magnetic screen 8 is associated with the communication device 4 by being arranged relative to the latter so that there is a difference of approximately 0 to 2500 ⁇ m defined between them and/or that this magnetic screen 8 is arranged between the communication device 4 and at least one electrical component 33 included in the immediate environment of said device 4.
  • the magnetic screen 8 can be associated with the communication device 4 by producing the magnetic screen by a printing technique, screen printing, gluing or vaporizing a metallic paint on a support included in or attached to the communication device 4.
  • a support is then chosen that has excellent electrical insulation properties.
  • This support can be a layer of material, a film, a ribbon, etc. In this configuration, this support can be located only at the level of the antenna 5 of the communication device 4 or even at the level of the antenna 5 and chip 6.
  • this magnetic screen 8 is associated with the communication device 4 by being arranged in the timepiece 35 below this communication device 4, that is to say between the movement constituting a metal component 33 of said part 35 and this communication device 4.
  • the magnetic screen 8 is associated with the communication device 4 while not being in direct contact with the antenna 5 of the communication device 4 but being able to be in contact with the chip 6.
  • the communication device 4 is arranged at the level of the dial 1.
  • This first embodiment comprises four variants, also not included in the claimed invention, of dial 1 at which the communication device 4 is arranged.
  • Such a dial 1 is in one-piece execution. It is preferably made of rigid material to ensure a good hold, and a correct appearance of the display. In addition, this material has zero electrical conductivity properties and may for example be synthetic sapphire, ceramic or even an injected or molded polymer such as polyamide-nylon PA12, polycarbonate PC or polyphenylsulfone PPSu.
  • This dial 1 which is preferably circular in shape, comprises an upper face 11a constituting a visible display surface and opposite a lower face 11b arranged facing the movement of said timepiece 35.
  • the dial 1 also comprises a peripheral wall 25 connecting the lower and upper faces 11b, 11a to each other. It will be noted that the upper and lower faces 11a, 11b can be mutually parallel and that the intersections between the peripheral wall 25 and each of these faces 11a, 11b define the peripheral edges 27a, 27b.
  • This dial 1 can include feet 34, which are used as a geometric reference in the manufacturing cycle of the dial and also to fix this dial 1 to the case 20 and/or to the movement.
  • the case 20 and/or the movement then comprises orifices in which these feet 34 are engaged when the dial 1 is assembled to the case 20 and/or to the movement.
  • Fastening elements such as screws which engage in threaded holes transverse to the orifices make it possible to ensure a mechanical connection between dial 1 and case 20 and/or the movement.
  • These feet 34 can be arranged at the level of the lower face 11b of the dial (visible on the figure 1, 2 and 4 ) and/or at the level of the peripheral wall 25 (visible on the figures 5 and 6 ). Such feet 34 can for example correspond to lugs.
  • This upper face 11a may comprise, at a peripheral zone, graduations 7 indicating time, for example graduations 7 for hours and minutes. These graduations 7 can be indexes or numerals (Roman or Arabic), or decorative elements such as semi-precious or precious fine stones, or even a combination of two or three of the latter.
  • the dial 1 also comprises an orifice 10 for axial passage through which a free end of a shaft passes, connected to a kinematic chain of the movement which is able to carry the hands of the timepiece 35 above the upper face 11a. Dial 1 also includes an opening 9 through which information relating to the date can be displayed.
  • the communication device 4 is arranged on the underside 11b of the latter. More precisely in this variant, the lower face 11b comprises a housing 3 in which the communication device 4 can be mounted.
  • This housing 3 is defined in this lower face 11b around the axial passage orifice 10 of the dial 1.
  • This housing 3 has a wall 15a forming a bottom of the housing 3 subsequently called bottom wall 15a, and a side wall 15b , the side wall 15b preferably being perpendicular to the bottom wall 15a.
  • the bottom wall 15a and the side wall 15b each have a substantially planar surface.
  • the surface of the bottom wall 15a is included in a plane parallel to a part 12 of the lower face 11b not forming this housing 3 or even to the upper face 11a.
  • the side wall 15b of this housing 3 forms with the part 12 of the lower face 11b an edge 26 which defines an opening of the housing 3.
  • this housing 3 may have a generally circular shape. Indeed, it can include a zone forming a stall aiming to circumvent the opening 9 arranged in the dial 1 for the display date information.
  • this housing 3 is defined over approximately 40 to 90% of the lower face 11b, and preferably over 80% of this face. Moreover, this housing 3 has a depth P1 of around 300 to 500 ⁇ m, preferably 400 ⁇ m.
  • the communication device 4 comprising the chip 6 connected to at least one antenna 5, is arranged in the housing 3 formed in the dial 1. More precisely the chip 6 and the antenna 5 can be fixed to the bottom wall 15a by gluing or even by fitting into fastening elements present on this bottom wall 15a of the housing 3. Alternatively, the antenna 5 can be arranged on this bottom wall 15a by printing, by screen printing or even by spraying a metallic paint.
  • the alternative of the communication device 4 comprising the substrate 16 made of plastic or laminated composites on which the chip 6 and the antenna 5 are glued, can also be arranged in this housing 3 in particular by gluing.
  • the opening of the dial 1 is completely or partially closed off by this magnetic screen 8.
  • This magnetic screen 8 comprises an attachment zone which is mechanically connected by gluing, interlocking or even by welding, to the edge 26 of the opening of the housing 3 or even to the part 12 of the lower face 11b not constituting the housing 3.
  • the magnetic screen 8 may have a shape substantially complementary to that of the opening in order to be able to be arranged therein by interlocking and thus partially or completely block this opening of the housing 3.
  • the magnetic screen 8 is preferably rigid and the edge 26 of the opening comprises a fitting zone capable of cooperating with the contour of the magnetic screen 8.
  • Such an arrangement of the communication device 4 in this housing 3 makes it possible to limit the size of this device 4 in the housing 20 of the timepiece 35 so as not to disturb the operation of the movement.
  • the communication device 4 comprising the chip 6 connected to at least one antenna 5, is placed at the level of the lower face 11b of the dial 1. More precisely, the chip 6 and the antenna 5 can be fixed to the lower face 11b by gluing or else by interlocking in fastening elements present on this lower face 11b. Alternatively, the antenna 5 can be arranged on the lower face 11b by printing, by screen printing or even by spraying a metallic paint.
  • the alternative of the communication device 4 comprising the substrate 16 made of plastic or laminated composites on which the chip 6 and the antenna 5 are glued, can also be arranged on the lower face 11b in particular by gluing.
  • this magnetic screen 8 can be arranged below the antenna 5 or the antenna 5 and the chip 6 by being located between the lower face 11b and the movement.
  • this magnetic screen 8 comprises at least one layer, a film or a metal deposit which is capable of covering the communication device 4 arranged on the lower face 11b.
  • the antenna 5 or the antenna 5 and the chip 6 of the communication device 4 are included between the magnetic screen 8 and the lower face 11b.
  • This magnetic screen 8 can be applied to the lower face 11b so as to cover the communication device 4 using techniques of printing, screen printing, gluing or even vaporization of a metallic paint.
  • this second variant not included in the invention is particularly suited to the dial 1 comprising feet arranged on the peripheral wall 25 of the latter. Indeed in such a configuration, the communication device 4 and in particular the antenna can be arranged on a larger part of the lower face 11b due to the absence of feet 34 of dial 1 on the lower face 11b.
  • the communication device 4 is arranged on the upper face 11a of the dial 1. More precisely in this variant not included in the claimed invention, the antenna 5 of this communication device 4 can be formed by at least one corresponding metallic element for example to a metallic wire, a layer, a film or even a metallic deposit. This element can be arranged on the upper face 11a according to the various non-exhaustive and non-limiting alternatives defined below.
  • the antenna 5 can be a metallic element comprising the graduations 7 present on this upper face 11a which can be interconnected by a component 14 of the metallic element.
  • the graduations 7 and the component 14 are made of metallic material such as copper or aluminum.
  • the antenna 5 can be a metallic element which is arranged at the level of the peripheral zone defined on the upper face 11a of the dial 1 where the graduations 7 are located.
  • the metallic element extends in this peripheral zone by making at least one revolution of the dial 1 and this, bypassing the graduations 7 so as to match their shape.
  • the metallic element can be arranged on the upper face 11a at the level of the peripheral edge 27a defined on this upper face 11a or, where appropriate, between the graduations 7 and this edge 27a .
  • the metal element is preferably arranged on the upper face 11a by overmolding in the thickness of dial 1 or by injection so as not to be visible.
  • the metallic element can also be applied to the upper face 11a using printing, screen printing, engraving, gluing or even vaporization techniques. of a metallic paint, and in this case be visible on the upper face 11a of this dial 1 so as for example to form a pattern having an aesthetic shape.
  • graduations 7 form with the component 14 an antenna 5
  • these graduations 7 can then be made according to the techniques mentioned above such as printing, screen printing, gluing or even the spraying of a metallic paint.
  • the antenna 5 is then connected to the chip 6 of the communication device 4.
  • This chip 6 is arranged on the upper face 11a of the dial 1 according to a technique of overmolding or even of injection so as not to be apparent.
  • the chip 6 can also be applied to the upper face 11a using a bonding technique and in this case be visible on the upper face 11a of this dial 1 so as for example to form a pattern having an aesthetic shape.
  • this magnetic screen 8 comprises at least one layer, a film or a metallic deposit and can be applied on one or the other of the two faces 11a, 11b of the dial 1 according to techniques of printing, screen printing, gluing or even vaporization of a metallic paint.
  • this magnetic screen 8 can be arranged in the dial 1 using an overmolding or injection technique, being included below the antenna 5 or the antenna 5 and the chip 6.
  • the communication device 4 is arranged in the dial 1 between the upper and lower faces 11a, 11b.
  • the communication device 4 can comprise a plastic or laminated composite substrate 16 on which the chip 6 and the antenna 5 are glued.
  • the communication device 4 is then mounted in dial 1 using an overmolding or injection technique.
  • this magnetic screen 8 comprises at least one layer, a film or a metallic deposit and can be applied to the lower face 11b of the dial 1 using techniques of printing, screen printing, gluing or even vaporization of a metallic paint.
  • this magnetic screen 8 can be arranged in dial 1 below communication device 4 using an overmolding or injection technique.
  • the communication device 4 is arranged in the bezel 2.
  • the invention defines two different variants of the bezel 2.
  • the bezel 2 is preferably made of rigid material making it possible to ensure good hold and preferably having zero electrical conductivity properties.
  • This material may correspond for example to synthetic sapphire, ceramic or even an injected or molded polymer such as polyamide-nylon PA12, polycarbonate PC or polyphenylsulfone PPSu.
  • This bezel 2 can be circular in shape and include a lower face 23b as well as an upper face 23a.
  • This upper face 23a can constitute a visible display surface by including time indicator graduations.
  • the communication device 4 is arranged in the bezel 2. More specifically in this variant, the bezel 2 is a one-piece part whose lower face 23b comprises a housing 18 in which the communication device 4 is positioned.
  • This housing 18 forms a groove or even an annular groove extending in the lower face 23b of the bezel 2.
  • This housing 18 has a cross section which may have the shape of a “U”.
  • Such housing 18 comprises a bottom wall 19a and a side wall 19b, the side wall 19b being preferably perpendicular to the bottom wall 19a.
  • the bottom wall 19a and the side wall 19b each have a substantially planar surface.
  • the side wall 19b of this housing 18 forms with a part 29 of the lower face 23b not constituting this housing 18, an edge 28 which defines an opening of the housing 18.
  • this housing 18 is defined over approximately 30 to 70% of the lower face 23b, and preferably over 50% of this face 23b.
  • This housing 18 has a depth P2 of approximately 200 to 2500 ⁇ m, preferably 1000 ⁇ m.
  • the communication device 4 comprising the chip 6 connected to at least one antenna 5, is arranged in the housing 18 formed in the bezel 2. More precisely the chip 6 and the antenna 5 can be fixed to the bottom wall 19a and/ or the side wall 19b by gluing or by interlocking in fixing elements present on the bottom wall 19a and/or the side wall 19b of the housing 18. Alternatively, the antenna 5 can be arranged on the bottom wall 19a and / or the side wall 19b by printing, by screen printing or by spraying a metallic paint.
  • the alternative of the communication device 4 comprising the substrate 16 made of plastic or laminated composites on which the chip 6 and the antenna 5 are glued, can also be arranged in this housing 18 in particular by gluing or by interlocking, or by being driven out by mechanical strength by dimensional adjustment.
  • the opening of the housing 18 is completely or partially closed by the magnetic screen 8 so as to optimize the performance of the device. communication 4.
  • This magnetic screen 8 comprises an attachment zone which is mechanically connected by gluing, by interlocking or even by welding, to the edge 28 of the opening of the housing 18 or even to the part 29 of the underside 23b.
  • the magnetic screen 8 may have a shape substantially complementary to that of the opening in order to be able to be arranged therein by interlocking or gluing and thus partially or completely block this opening of the housing 18.
  • the magnetic screen 8 is preferably rigid and the edge 28 of the opening comprises a fitting zone capable of cooperating with the contour of the magnetic screen 8.
  • the communication device 4 is also arranged in the bezel 2. More precisely in this variant, the bezel 2 comprises a first component 17a and a second component 17b.
  • the first component 17a comprises the upper face 23a of the bezel 2 and a first inner face 30a
  • the second component 17b comprises the lower face 23b of the bezel 2 and a second inner face 30b.
  • the first and second inner faces 30a, 30b are arranged facing each other while being in contact over all or part of their area.
  • These first and second inner faces 30a, 30b include connecting elements.
  • the connecting elements of each of these first and second faces 30a, 30b can have complementary shapes in order to ensure a mechanical connection between these two components 17a, 17b when they are assembled with each other.
  • the second inner face 30b of the second component 17b comprises a housing 18 in which the communication device 4 is arranged.
  • This housing 18 forms a groove or even an annular groove extending in the second inner face 30b of the second component 17b of the bezel 2.
  • This housing 18 has a cross section which may have the shape of a “U”.
  • Such a housing 18 comprises a bottom wall 19a and a side wall 19b each having a substantially planar surface, the side wall 19b preferably being perpendicular to the bottom wall 19a.
  • the side wall 19b of this housing 18 forms with a part 29 of the second inner face 30b not constituting this housing 18, an edge 28 which defines an opening of the housing 18.
  • this housing 18 is defined over approximately 30 to 70% of the second inner face 30b, and preferably over 50% of this face.
  • This housing 18 has a depth P3 of approximately 200 to 2500 ⁇ m, preferably 1000 ⁇ m.
  • the communication device 4 when the communication device 4 is associated with the magnetic screen 8, the latter is arranged in the housing 18.
  • This magnetic screen 8 can correspond to a layer, a film or a metal deposit which is applied to the wall bottom 19a and/or the side wall 19b of the housing 18.
  • the application of this magnetic screen 8 in the housing 18 can be carried out using a technique of printing, screen printing or even vaporization of a metallic paint.
  • the communication device 4 is then placed in the housing 18 above the magnetic screen 8. More precisely the chip 6 and the antenna 5 can be fixed to at least one support element included on the bottom wall 19a and / or the side wall 19b by gluing or even by interlocking so that the antenna 5 of the communication device 4 is not in contact with the magnetic screen 8.
  • the support element may correspond to at least one fixing arm or even a layer of material. This layer of material can cover all or part of the magnetic screen 8 arranged in the housing 18, and have electrical insulation properties.
  • the communication device 4 can be fixed on a connection zone defined on the first internal face 30a of the first component 17a. This connection zone is located opposite the housing 18 when the first and second components 17a, 17b are assembled with each other.
  • the alternative of the communication device 4 comprising the substrate 16 made of plastic or laminated composites on which the chip and the antenna 5 are glued, can also be arranged in this housing 18 according to the same principles. previously mentioned for this second variant.
  • this housing 18 is then closed off when the first component 17a is assembled with the second component 17b to form the bezel 2.
  • the communication device 4 and the magnetic screen 8 can be included in a module by being for example molded in the same polymer part.
  • a module can then be arranged in the dial 1 and the bezel 2 according to the different variants described above.
  • the arrangement of this module in these different variants is preferably made so that the antenna 5 radiates optimally in the direction of the associated peripheral with which the timepiece 35 is capable of exchanging data.
  • the case 20 is adapted to optimize/maximize the performance of the communication device 4 arranged at the level of the bezel 2 or of the dial 1.
  • this case 20 can be produced in whole or in part in a material having zero electrical conductivity properties such as synthetic sapphire, ceramic or even an injected or molded polymer such as polyamide-nylon PA12, polycarbonate PC or polyphenylsulfone PPSu.
  • the housing 20 can be made entirely of this material.
  • the case 20 can alternatively be made only partially of this material by having only a part of these components designed in this material, for example the components which are located above the dial 1 such as for example a part of the middle part located above above the level of dial 1 and bezel 2.
  • the dial 1, the bezel 2 or even all or part of the case 20 can be made of a material having zero electrical conductivity properties.
  • the electrical non-conductivity of such a material is quantified by its resistivity which characterizes its ability to oppose the flow of electric current.
  • the resistivity of this material is greater than 10 12 ⁇ /cm, and is preferably greater than 10 13 ⁇ /cm.
  • the arrangement of the communication device in the upper parts of the part such as the dial 1 and the bezel 2 makes it possible to limit the disturbing effects which may result from the wrist of the wearer of said part 35.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Clocks (AREA)
EP15174746.6A 2015-07-01 2015-07-01 Piece d'horlogerie comprenant un dispositif de communication en champ proche Active EP3112958B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP15174746.6A EP3112958B1 (fr) 2015-07-01 2015-07-01 Piece d'horlogerie comprenant un dispositif de communication en champ proche
US15/193,828 US10877441B2 (en) 2015-07-01 2016-06-27 Timepiece comprising a near field communication device
CA2934409A CA2934409C (en) 2015-07-01 2016-06-27 Timepiece comprising a near field communication device
TW105120606A TWI725038B (zh) 2015-07-01 2016-06-29 包括近場通訊裝置之時計
KR1020160082879A KR20170004885A (ko) 2015-07-01 2016-06-30 근거리 자기장 통신 장치가 포함된 시계
JP2016129493A JP6916599B2 (ja) 2015-07-01 2016-06-30 近距離無線通信装置を含む時計
CN201610651765.0A CN106325058A (zh) 2015-07-01 2016-06-30 包括近场通信器件的钟表

Applications Claiming Priority (1)

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EP15174746.6A EP3112958B1 (fr) 2015-07-01 2015-07-01 Piece d'horlogerie comprenant un dispositif de communication en champ proche

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EP3112958A1 EP3112958A1 (fr) 2017-01-04
EP3112958B1 true EP3112958B1 (fr) 2022-03-16

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US (1) US10877441B2 (ko)
EP (1) EP3112958B1 (ko)
JP (1) JP6916599B2 (ko)
KR (1) KR20170004885A (ko)
CN (1) CN106325058A (ko)
CA (1) CA2934409C (ko)
TW (1) TWI725038B (ko)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3293587B1 (fr) * 2016-09-09 2020-02-19 Montres Tudor S.A. Glace de montre
TWI682638B (zh) * 2017-09-29 2020-01-11 巨擘科技股份有限公司 腕錶及適用於腕錶之短距離通信信號強度的控制方法
US20230305496A1 (en) * 2020-07-30 2023-09-28 Montres Breguet S.A. Sympathetic timepiece assembly
EP4006654A1 (fr) * 2020-11-30 2022-06-01 The Swatch Group Research and Development Ltd Boite de montre comprenant un dispositif de communication en champ proche
EP4092494A1 (fr) * 2021-05-21 2022-11-23 ETA SA Manufacture Horlogère Suisse Système de réglage d'une montre
EP4390560A1 (fr) * 2022-12-22 2024-06-26 ETA SA Manufacture Horlogère Suisse Cadran de montre comprenant un dispositif d'éclairage

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EP0884661A2 (de) * 1997-06-13 1998-12-16 Junghans Uhren GmbH Kleinuhr mit Transponder
EP1892651A1 (fr) * 2006-08-25 2008-02-27 Winwatch SA Montre analogique comprenant un microtranspondeur associé à une antenne-résonnateur destinée à augmenter la distance de lecture dudit microtranspondeur avec un lecteur RFID
EP2228695A1 (fr) * 2009-03-13 2010-09-15 Winwatch SA Joint pour la fermeture étanche entre la glace et la carrure d'une boîte de montre comprenant un module électronique et montre-bracelet équipée d'un tel dispositif
CH701919A2 (fr) * 2009-10-07 2011-04-15 Winwatch S A Réhaut pour cadran de montre comportant un module électronique et montre-bracelet équipée d'un tel dispositif.

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Publication number Priority date Publication date Assignee Title
EP0884662A2 (de) * 1997-06-13 1998-12-16 Junghans Uhren GmbH Kleinuhr mit Transponder
EP0884661A2 (de) * 1997-06-13 1998-12-16 Junghans Uhren GmbH Kleinuhr mit Transponder
EP1892651A1 (fr) * 2006-08-25 2008-02-27 Winwatch SA Montre analogique comprenant un microtranspondeur associé à une antenne-résonnateur destinée à augmenter la distance de lecture dudit microtranspondeur avec un lecteur RFID
EP2228695A1 (fr) * 2009-03-13 2010-09-15 Winwatch SA Joint pour la fermeture étanche entre la glace et la carrure d'une boîte de montre comprenant un module électronique et montre-bracelet équipée d'un tel dispositif
CH701919A2 (fr) * 2009-10-07 2011-04-15 Winwatch S A Réhaut pour cadran de montre comportant un module électronique et montre-bracelet équipée d'un tel dispositif.

Also Published As

Publication number Publication date
CN106325058A (zh) 2017-01-11
JP6916599B2 (ja) 2021-08-11
JP2017032549A (ja) 2017-02-09
EP3112958A1 (fr) 2017-01-04
US10877441B2 (en) 2020-12-29
TWI725038B (zh) 2021-04-21
US20170003660A1 (en) 2017-01-05
KR20170004885A (ko) 2017-01-11
CA2934409C (en) 2023-12-12
TW201716890A (zh) 2017-05-16
CA2934409A1 (en) 2017-01-01

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