• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to an electronic bracelet for a timepiece, comprising: - a printed circuit sheet - an insert (IS) disposed on the printed circuit sheet, comprising a guide element arranged to be placed between and fixed to a pair of horns (CN1, CN2) of a watch case (BM), the guide element comprising a light waveguide (GO) comprising: • an input (EN) disposed at an interface between the element guide (GD1) and the printed circuit board • a first output (SO1) arranged to face a first zone (ZN1) of the watch case (BM) between the two horns (CN1, CN2) when the guide element (GD1) is placed between and fixed to the horn pair (CN1, CN2) • a first portion (PO1) connecting the input (EN) to the first output (SO1) - a transmitter (EM) of light waves installed on the printed circuit board, at the entrance (EN ) of the waveguide (GO)
    公开号:CH711907A2
    申请号:CH01394/16
    申请日:2016-10-18
    公开日:2017-06-15
    发明作者:Fostinis Dimitri；Nicolas Cédric；Tortora Pierpasquale
    申请人:Swatch Group Res & Dev Ltd；
    IPC主号:
    专利说明:

    Description
    FIELD OF THE INVENTION [0001] The present invention relates to an electronic bracelet adapted to be attached to a watch case. An electronic bracelet is a bracelet comprising a molded flexible printed circuit carrying electronic components for performing functions, for example measuring the surrounding pressure when the bracelet is worn during an underwater dive. It is said that the electronic bracelet is connected when in addition it is able to communicate with an electronic device such as a smartphone, for example to transmit the electronic pressure values.
    BACKGROUND OF THE INVENTION In order to enable mechanical watches to perform functions of an electronic watch or even a connected watch, while avoiding the integration of electronic components within the watch cases, bracelets have been designed. electronic means provided with means for fastening to a mechanical watch case. All the electronic components are integrated into the bracelet, offering it numerous functionalities such as monitoring the physical activity of the wearer of the bracelet, informing the wearer of a call or incoming message on a smartphone coupled to the bracelet, remotely controlling an electronic device, etc.
    In this context, it is important to be able to notify the wearer of the bracelet any kind of event or state relating to the activity of the bracelet and / or the electronic device to which the bracelet is coupled. An event or a state relating to the activity of the bracelet and / or the electronic device to which the bracelet is coupled is for example but not limited to: the activation or deactivation of a function of the bracelet, the unfolding of a function by the bracelet (for example taking measurements by sensors of the bracelet), restoring or the completion of a data transfer between the bracelet and the electronic device, the progress of a data transfer between the bracelet and the electronic device , receiving a call or message by the electronic device, etc. SUMMARY OF THE INVENTION [0004] The object of the present invention is to respond to the need mentioned above.
    For this purpose, the invention relates to an electronic bracelet for a timepiece, comprising: - a printed circuit sheet - an insert disposed on the printed circuit sheet, comprising a guide element arranged to be placed between and attached to a pair of horns of a watch case, the guide member comprising a light waveguide comprising: an inlet disposed at an interface between the guide member and the printed circuit sheet; first outlet arranged to face a first area of the watch case between the two horns when the guide member is placed between and attached to the horn pair; • a first portion connecting the inlet to the first outlet a light wave emitter installed on the printed circuit board, at the input of the waveguide [0006] Thus, when the light wave emitter emits a read wave the light wave penetrates into the light waveguide via the inlet disposed at the interface between the guide member and the middle portion, propagates to the first exit via the first portion, and is finally directed at the level of the first zone, where it is reflected and therefore visible by the wearer of the bracelet.
    Other advantageous features of the electronic bracelet according to the invention, which can be taken individually or in combination, are defined in claims 2 to 8.
    The invention also relates to a timepiece comprising a bracelet according to the invention, the guide element being placed between and attached to a pair of horns of the watch case.
    Other advantageous features of the timepiece according to the invention, which can be taken individually or in combination, are defined in claims 10 to 12.
    BRIEF DESCRIPTION OF THE FIGURES [0010] Other particularities and advantages will become apparent from the description which is given hereinafter, by way of indication and in no way limiting, with reference to the appended figures showing: A la, FIG. 1 a perspective view in the dissociated state of certain elements of a timepiece according to the invention, including a printed circuit sheet, an insert, a watch case and two bars. In fig. 2, a perspective view in the dissociated state of elements of FIG. 1 including the printed circuit board, the insert and the watch case, an overmold layer having been added to the printed circuit board. In fig. 3, a perspective view of elements of FIG. 1, including the printed circuit board, a guide element of the insert, the watch case and a bar. In fig. 4, a perspective view of elements of FIG. 3, including a light waveguide of the guide member and the printed circuit board. In fig. 5, a perspective view of a watch case whose caseband has undergone a surface treatment, and the light waveguide and the printed circuit sheet of FIG. 4.
    DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [0011] The invention concerns a timepiece comprising an electronic bracelet attached to a watch case via, for example, two bars.
    In FIG. 1 is a preferred but non-limiting embodiment of elements of an electronic bracelet BR according to the invention. According to this preferred embodiment, the electronic bracelet BR is of cuff type: the bracelet BR comprises a sheet of printed circuit FL in a single piece formed of a first lateral portion PL1, a middle portion PM globally annular extending the first lateral portion PL1, and a second lateral portion PL2 extending the middle portion PM. Each of these lateral portions PL1, PL2 is an element of one of the two arms of the bracelet: each bracelet arm therefore comprises a printed circuit portion.
    In alternative embodiments not shown, the bracelet is not of the type cuff but instead is formed of two separate parts. In a first of these alternative embodiments, the printed circuit sheet is formed of two distinct portions. The sheet does not include a middle portion and is formed only of the two side portions PL1, PL2, which are disconnected electrically and mechanically. Each of these lateral portions PL1, PL2 is an element of one of the two arms of the bracelet: each bracelet arm therefore comprises a printed circuit portion. In a second of these alternative embodiments, the printed circuit sheet comprises only the first lateral portion PL1. The first lateral portion PL1 is an element of one of the two arms of the bracelet; the second arm of the bracelet does not include a printed circuit.
    The bracelet BR also comprises a set of electrical and / or electronic components mounted on the first lateral portion PL1 and optionally on the second lateral portion PL2 when the latter exists. The components comprise, for example, a microcontroller MC, an electrical power source SE (visible in FIG 3 only), and communication means C1 with an electronic device for example via a wireless interface of Bluetooth, Wifi or NFC type. etc. The components may also include one or more CP sensors and / or one or more BP push buttons.
    In the preferred embodiment and shown in FIG. 1, that is to say in the case of the cuff bracelet, the bracelet BR further comprises an insert IS intended to be disposed on the middle portion PM of the printed circuit board FL. The insert IS comprises a rigid ring AN and two diametrically opposed guide members GD1, GD2. The guide elements GD1, GD2 are intended to be arranged on the middle portion PM of the printed circuit board, at the border with the lateral portions PL1, PL2. The watch case BM is intended to be disposed above said insert IS, each guide member GD1, GD2 being arranged to be placed between a pair of horns CN1, CN2 of the watch case BM. The guide elements GD1, GD2 are each pierced with a hole TR1, TR2 for the passage of the bars BT 1, BT2, said strips BT 1, BT2 for fixing the pairs of horns of the watch case to the insert IS .
    As can be seen in FIG. 2, the bracelet BR also comprises an overmolding layer CM1, CM2, for example made of plastic or elastomer material, added when the set of components has been mounted on the lateral portions PL1, PL2 of the printed circuit board FL and that the IS insert was suitably disposed on the middle portion PM of the printed circuit board FL. The over-molding layer serves to protect the components carried by the lateral portions PL1, PL2 of the printed circuit board FL and to secure the insert IS and the printed circuit board FL. For this, the overmolding layer comprises two portions CM1, CM2. A first overmoulding portion CM1 covers the first lateral portion PL1 of the printed circuit board FL and one of the guide elements GD1 of the insert IS to create a first arm BA1 bracelet. A second portion of over-molding CM2 covers the second lateral portion PL2 of the printed circuit board FL and the other of the guide elements GD2 of the insert IS to create a second bracelet arm BA2. In the first and second alternative embodiments, the bracelet does not comprise all of the insert, but only the guide elements GD1, GD2, each part of one of the arms of the bracelet. In the first alternative embodiment, each guide element GD1, GD2 is intended to be disposed on an end portion of the side portions PL1, PL2, and then to be placed between a pair of horns CN1, CN2 of the watch case BM. The over-molding portions CM1, CM2 make it possible, inter alia, to join the lateral portions PL1, PL2 to the guide elements GD1, GD2. In the second alternative embodiment, the first guide element GD1 is intended to be disposed on an end portion of the first lateral portion PL1, and then to be placed between a pair of horns CN1, CN2 of the watch case BM; the second guide element GD2 is an element of the second arm of the bracelet allowing its attachment to the other pair of horns of the watch case BM. The first overmoulding portion CM1 makes it possible inter alia to join the first lateral portion PL1 to the first guide element GD1.
    As can be seen in FIGS. 3 and 4, the bracelet BR according to the invention is particular in that the first guide element GD1 fixed or intended to be fixed to one of the pairs of horns CN1, CN2 comprises a light waveguide GO, and that the printed circuit board FL carries a light emitter EM electrically connected to the set of components and arranged facing an input EN of the GO light waveguide. In a preferred embodiment, the GO waveguide is made of plastic, or any other transparent material. It is noted that the location of the waveguide GO in the first guide element GD1 makes it possible to make it discrete so as not to affect the aesthetics of the timepiece.
    In the non-limiting embodiment of FIG. 3, the light waveguide GO has two outputs SO1, S02 and two portions P01, P02 to connect the input EN to each of the outputs SO1, S02. However, the waveguide GO may include only one output and a portion to connect the input to said output, or more than two outputs and as many portions as outputs. The GO waveguide could also include more than one input: the guide would then have as many portions as needed to connect each input to each output. In this case, the median portion PM would carry as many lightwave transmitters as inputs, each transmitter to be arranged facing an entry of the GO light waveguide.
    The first output SOI and the second output S02 are arranged so as to face a middle portion CA of the watch case BA between the two horns CN1, CN2. Thus, a light wave emitted by the emitter EM of light waves is guided and directed towards the middle portion CA, where it is visible by the wearer of the timepiece. The light wave forms two luminous halos HL1, HL2 on the middle portion CA, shown in FIG. 3. The first luminous halo HL1 is visible at a first zone ZN1 of the middle portion CA, the first zone ZN1 facing the first output SOI of the light waveguide GO. The second luminous halo HL2 is visible at a second zone ZN2 of the middle portion CA, the second zone ZN2 facing the second output S02 of the light waveguide GO.
    Naturally, in the case where the GO waveguide would include only one output, only a luminous halo would be visible. A long luminous halo going from one horn to the other would be conceivable, as well as a halo located on the side of a horn or a halo located substantially equidistant from the two horns. In the case where the waveguide comprises more than two outputs, as much light halo as outputs would be visible. It is also noted that the shape of the halo (s) depends on the shape of the output (s).
    Note that in the example shown, the first output SOI is disposed on the side of the first horn CN1, while the second output S02 is disposed on the side of the second horn CN2. Although this is not essential, it is advantageous to place the outputs SO1, S02 of the GO light waveguide near the CN1 horns for watch cases whose portion of middle CA is curved. Indeed, in this case, the space between the middle portion CA is minimum equidistant between the horns CN1, CN2, and maximum near the horns CN1, CN2. However, placing an output of the GO light waveguide too close to the middle portion CA could degrade the visibility of a light wave guided by the light waveguide, since the luminous halo on the portion of CA should be hidden by the guide element EG1. Naturally, these considerations are not valid for square or rectangular watch cases, since the bracelet would be equidistant to the middle portion over its entire width.
    Moreover, to obtain luminous halos HL1, HL2 of similar intensity, it is advantageous to place the input EN of the light guide GO at a distance substantially equal to the first output SOI and the second output S02. The GO light guide is then generally V-shaped. However, different configurations of the GO light guide are possible as long as the size of the GO light guide remains limited.
    In addition, the EM emitter of light waves comprises at least one point source of light waves, for example a light emitting diode. Advantageously, the emitter EM of light waves comprises several point sources close to each other, the sources being able to emit light waves at different frequencies, that is to say of different colors. Thus, the point sources can be either turned off or lit so as to create luminous halos of a particular color depending on the information to be provided to the wearer of the timepiece. Naturally, the at least one point source may also be lit in a time sequence corresponding to information to be provided to the wearer of the timepiece.
    Since the emitter EM of light waves is electrically connected to the set of electrical and / or electronic components, the at least one point source of the emitter EM light waves can be activated according to a event or condition relating to the activity of the bracelet or electronic device to which the bracelet is coupled. For example, the point source may be activated when the BP push button is pressed, when a message is received by the electronic device, or when data is transferred between the bracelet BR and the electronic device.
    权利要求:
    Claims (12)
    [1]
    It is noted that in order to modify the reflection of the light on the middle portion CA and thus to modify the shapes and / or luminous intensities of the halos HL1, HL2 seen by the wearer of the timepiece, treatments could be carried out. areas ZN1, ZN2. An example of a surface treatment is shown in FIG. 5. In this example, concentric rings were made by digging at the ZN1, ZN2 zones, so as to achieve a Fresnel lens effect. Laser or other microstructures would also be conceivable to create different effects such as a better diffusion of light, or bring out a pattern, for example a logo. Sandblasting (that is to say a projection under sand pressure) zones ZN1, ZN2 could also be carried out so as to render the zones ZN1, ZN2 irregular: halos HL1, HL2 would be less bright but more extensive, and so more aesthetic. Of course, the present invention is not limited to the example shown but is susceptible to various variations and modifications that will occur to those skilled in the art. claims
    An electronic wristband (BR) for a timepiece, comprising: - a printed circuit sheet (FL) - an insert (IS) disposed on the printed circuit sheet (FL), comprising an arranged guiding element (EG1) to be placed between and attached to a pair of horns (CN1, CN2) of a watch case (BM), the guide element (EG1) comprising a light waveguide (GO) comprising: • an input ( EN) disposed at an interface between the guide member (GD1) and the printed circuit sheet (FL); • a first output (SOI) arranged to face a first zone (ZN1) of the watch case ( BM) between the two horns (CN1, CN2) when the guide element (GD1) is placed between and fixed to the horn pair (CN1, CN2) • a first portion (P01) connecting the inlet (EN) at the first output (SOI) - a light emitter (EM) installed on the printed circuit board (FL), at the input ( EN) of the waveguide (GO).
    [2]
    2. Bracelet (BR) according to the preceding claim, the waveguide (GO) comprising a second output (SO2) arranged to face a second zone (ZN2) of the watch case between the two horns ( GN1, CN2) when the guide element (GD1) is placed between and fixed to the horn pair (CN1, CN2), and comprising a second portion (P02) connecting the input (EN) to the second output (S02 ).
    [3]
    3. Bracelet (BR) according to the preceding claim, the first output (SOI) and the second output (SO2) being arranged so that the first zone (ZN1) is located on the side of one of the horns (CN1), and that the second zone (ZN2) is located on the other side of the horns (CN2).
    [4]
    4. Bracelet (BR) according to one of the preceding claims, the emitter (EM) of light waves comprising at least two wave sources of different frequencies.
    [5]
    5. Bracelet (BR) according to one of the preceding claims, the light waveguide (GO) being transparent.
    [6]
    6. Bracelet (BR) according to one of the preceding claims, the printed circuit sheet (FL) comprising a first lateral portion (PL1) and a set of components including a power source (SE) and a microcontroller (MC) , the set of components being mounted on the first lateral portion (PL1), the light wave emitter (EM) being electrically connected to the set of components.
    [7]
    7. Bracelet (BR) according to the preceding claim, the set of components comprising at least one push button (BP).
    [8]
    8. Bracelet (BR) according to one of the preceding claims, the set of components comprising communication means to another electronic object via a wireless communication system of the Bluetooth, WiFi or NFC type.
    [9]
    9. Timepiece comprising a bracelet (BR) according to one of the preceding claims and a watch case (BM), the guide member (GD1) being placed between and attached to a pair of horns (CN1, CN2 ) of the watch case (BM).
    [10]
    10. Timepiece according to the preceding claim, the first zone (ZN1) having an irregular surface.
    [11]
    11. Timepiece according to the preceding claim, the first zone (ZN1) being sandblasted or structured.
    [12]
    12. Timepiece according to claim 9, the first zone (ZN1) having a Fresnel lens appearance.
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    同族专利:
    公开号 | 公开日
    CH711325B1|2017-01-31|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    2020-04-15| AZW| Rejection (application)|
    优先权:
    申请号 | 申请日 | 专利标题
    CH01834/15A|CH711325B1|2015-12-15|2015-12-15|A watch strap comprising an electric power source, a microcontroller and a pressure sensor.|
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