EP1213629A1 - Tragbare Vorrichtung, insbesondere Uhrwerk, mit einem in einem metallischen Gehäuse montierten wasserdichten Behälter - Google Patents

Tragbare Vorrichtung, insbesondere Uhrwerk, mit einem in einem metallischen Gehäuse montierten wasserdichten Behälter Download PDF

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Publication number
EP1213629A1
EP1213629A1 EP00204412A EP00204412A EP1213629A1 EP 1213629 A1 EP1213629 A1 EP 1213629A1 EP 00204412 A EP00204412 A EP 00204412A EP 00204412 A EP00204412 A EP 00204412A EP 1213629 A1 EP1213629 A1 EP 1213629A1
Authority
EP
European Patent Office
Prior art keywords
container
portable object
object according
box
metal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP00204412A
Other languages
English (en)
French (fr)
Inventor
Paratte Daniel
André Zanetta
Fabien Blondeau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ETA SA Manufacture Horlogere Suisse
Ebauchesfabrik ETA AG
Original Assignee
Ebauchesfabrik ETA AG
Eta SA Fabriques dEbauches
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 Ebauchesfabrik ETA AG, Eta SA Fabriques dEbauches filed Critical Ebauchesfabrik ETA AG
Priority to EP00204412A priority Critical patent/EP1213629A1/de
Publication of EP1213629A1 publication Critical patent/EP1213629A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • G04R60/10—Antennas attached to or integrated in clock or watch bodies inside cases
    • G04R60/12—Antennas attached to or integrated in clock or watch bodies inside cases inside metal cases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/273—Adaptation for carrying or wearing by persons or animals

Definitions

  • the present invention relates to a portable object, in particular a room. timepiece, comprising a case to which is associated an electronic module intended to allow contactless and wireless communication between the portable object and a external terminal provided for this purpose.
  • the present invention targets a multitude of situations or places where checks, for example, whether a person has a paid access right or not.
  • the invention relates in particular to systems for controlling access to sites industrial (research and development laboratories, production units, etc.) and to public buildings (stadiums, museums, cinemas or the like) in which the portable object is presented by its owner to a control device which authorizes access to the site or the building only if the information stored in the object worn by the person corresponds to an access authorization, payment of a amount or at an appropriate expiry date.
  • Magnetic card access control systems are sometimes of a inconvenient use, in particular due to the narrowness of the slot in which the card must be inserted to read its contents. So when magnetic card access control system is used in some equipment such as, for example, ski lifts in winter sports resorts, the handling of the magnetic card by users with gloved hands and carrying ski poles turns out to be particularly slow and inconvenient. On the other hand, repeated insertion of the card into the terminal slot causes runway wear magnetic on which useful information is stored.
  • a control system has been proposed and automatic identification of objects in which a portable object contains, in a housing, an electronic module or transponder comprising in particular a memory for storing useful information such as an identification code, a device for transmitting and receiving radio signals, and a connected antenna electrically to the transmit / receive device.
  • the transmission / reception device is capable, when coupled with an external reading and / or writing terminal provided for this purpose, to transmit radio signals corresponding to the reading of information stored in the memory circuit and, where appropriate, to receive radio signals for re-entry of new information useful in this memory circuit.
  • the external terminal transmits an interrogation signal
  • the detection of this signal by the portable object causes the transmission, for example of a identification code of this object, which then allows the terminal to identify this object and therefore to control the identity of its bearer.
  • Access controls are made easier and faster. Indeed, the necessary identification or other information is written and read in contactless and wireless memory. So, for example, the introduction operation mechanics of a card in a reader slot, often made difficult by circumstances, is deleted.
  • this system is entirely passive, i.e. it does not require no clean energy source.
  • the transponders indeed include a circuit integrated and a coil acting as an antenna which together form a unit passive transmitter / receiver.
  • the reading and / or writing devices supply the external energy transponder generating an electromagnetic field picked up by the antenna coil.
  • this transponder transmits the data by electromagnetic waves. Data stored in memory of the integrated circuit can thus be read and / or modified, that is to say reprogrammed, remotely.
  • Passive transponder systems of the kind described above combine therefore the advantages of safety, time saving and comfort in their use daily and are therefore of great use both for their carriers and for people who manage such systems.
  • transponders In accordance with these constraints, a solution, which in use has proven to be very advantageous, consisted in housing these transponders in housings such as watch cases. Thus sheltered from external aggressions, transponders do not require no maintenance and the data they contain can be read and modified for years.
  • a solution of this kind is known, for example, from the European patent No 0 844 685 in the name of the Claimant.
  • This patent concerns a part wristwatch-type watchmaking comprising an antenna for receiving and / or transmission of a radio broadcast signal.
  • this type of wristwatch is intended to communicate remotely with an external device, by example in the context of an object identification system.
  • each watch has a memory circuit containing an identification code unique to this watch, a circuit for transmitting and receiving radio signals and an antenna connected to this circuit.
  • the above-mentioned external device is suitable to issue an interrogation signal. Detection of this signal generates transmission an identification signal by the wrist watch in question, this signal being representative of the identification code stored in its memory. So, by identifying the wristwatch by its identification code, the external device can control the identity of the wearer of the wristwatch.
  • the wristwatch includes a transponder having an antenna and a circuit for transmitting and / or receiving radio signals integrated into the telescope of the shows.
  • the watchmaking part (middle, crystal, movement, dial, hands, etc.) and the receiving part (antenna, transmitter / receiver circuit) of the wristwatch can be manufactured and tested independently of each other before mounting the bezel on the case during the final assembly of said wristwatch.
  • the transponder further comprises circuit supply means transmitter / receiver which can take the form of a battery or, preferably, a rectification circuit for the signals received by the antenna placed in the telescope. It is thus possible to fully integrate the transponder into the bezel of the shows.
  • the case and bezel of this watch must be made of a plastic material by example by injection techniques. Choosing a plastic material to make the case and the bezel are dictated by electromagnetic considerations.
  • said box and said bezel were made of a metallic material such as, for example, stainless steel, it would appear in this box and this bezel a electric current induced by the electromagnetic field generated by the device external remote interrogation when this transmits an identification signal in watch direction.
  • the current induced in the telescope and in the box would generate in turn a parasitic magnetic field which would seriously disturb the communication between the external remote interrogation device and the watch, making this communication practically impossible.
  • a timepiece of the wristwatch type comprising a waterproof container made of plastic material inside which are housed the time components.
  • This waterproof container is closed by a glass and by a battery cover. It is also equipped with a mounted time-setting rod tightly on said container.
  • the container is mounted and held in place in a metal box by notch fixing means such as, in particular, a telescope. The waterproof container and its watch movement can be tested before mounting in the metal box.
  • the object of the present invention is to remedy the drawbacks mentioned above as well as to others by proposing a portable object such as, in particular, a timepiece, intended to communicate with an external device remote interrogation and can be made of any type of material and, in particular, in a metallic material.
  • the present invention relates to a portable object such as, in particular, a timepiece, intended to cooperate with a system remote contactless interrogation, this portable object comprising a housing metal and a transponder comprising a circuit for transmitting and / or receiving a radio broadcast signal and an antenna connected to the transmission and / or reception circuit, a waterproof container made of an electrically insulating material inside which are housed the time components being mounted and held in place in the metal housing, characterized in that said metal housing has a slot.
  • the case of the portable object can be produced in one electrically conductive metallic material without the sensitivity of the remote and contactless communication between said portable object and a device remote polling is altered. Indeed, like the metal case has a slot, it no longer constitutes a parasitic antenna for the communication insofar as it has infinite electrical resistance and is not more, therefore, conductor of electricity.
  • variable electromagnetic field generated by the device remote interrogation will no longer be able to induce electric current in the metal housing which, in turn, will no longer produce a counter-electromotive force likely to disrupt communication between said interrogation device and the object portable.
  • the metal case also has a recess in the center.
  • the housing will pick up a quantity more or less significant electromagnetic flux generated by the interrogation device at distance, so that the useful flux picked up by the transponder antenna is susceptible to vary.
  • the housing is hollowed out so to reduce the parasitic magnetic flux which crosses said housing and to increase the flux useful which will cross the antenna of the transponder.
  • two holes are machined on the side and else from the slot in the metal case or in the container and each receive a mechanical retaining means carried by the container, respectively the housing.
  • the case, split and hollowed out in the center, has less resistance mechanical. If, for example, the case is fitted with a bracelet, the constraints of traction on the strands of the bracelet can cause deformation said housing which is capable of folding and opening. To remedy this drawback, we drill in the housing on either side of the slot, two holes blind which each receive a pin driven into the container. In this way, the container is mounted and held in place in the housing, and any tensile force exerted on said housing is taken up by the container which forms a one-piece assembly not deformable.
  • the present invention proceeds from the general inventive idea which consists in provide a slot in a metal case so that this case has a infinite electrical resistance and therefore no induced electric current appears in said housing by a variable electromagnetic field.
  • the case does not generate no counter-electromotive force likely to disturb an interrogation signal broadcast by an external device for remote interrogation to a transponder housed in this box and comprising an antenna and an integrated circuit transmission and / or reception.
  • Manufacturers are therefore no longer limited in their choice of non-electrically conductive materials such as materials plastics or ceramics to make the boxes containing the transponders, and can now also use metallic materials which are more resistant than plastics and less expensive than ceramics and which, in in addition, make it possible to adapt to changes in fashion.
  • the present invention will be described with reference to a timepiece such as a wristwatch. It goes without saying, however, that the invention is not limited to this single application and that it could be advantageously applied to any other portable object comprising a metal case inside of which is housed transponder intended to communicate with an external interrogation device distance.
  • FIG. 1 is a sectional view of a timepiece of the wristwatch type.
  • this wristwatch comprises a box 2 made of a metallic material.
  • This box 2 which can be seen in more detail in FIGS. 2 and 3, is made in one piece and comprises an annular lateral part 4 in the shape of a middle part and a bottom 6. It goes from so the box could be made of two pieces, the bottom coming for example screw on the middle.
  • the middle part 4 conventionally comprises means for attaching a bracelet (not shown).
  • These fixing means comprise, arranged on either side box 2, four horns 8 each pierced with a hole 10 for the passage of a connecting pin for fixing the two strands of the bracelet.
  • These horns 8 can be, for example, of the type described in US Patent No. 4,624,581. Connected two to two by roofs 12, they are made in one piece with the box 2 and are therefore also made of metal.
  • Watch 1 also includes a dial 14 above which move analog time display means formed by a hand of the hours 16, 18 minutes hand and 20 seconds hand.
  • analog time display means formed, for example, by a cell Liquid crystal display can also be considered.
  • a telescope 22 which can be made of a metallic material or a plastic material is fixed to the box 2 by notch mounting as will be described in more detail below.
  • the watch 1 comprises a container 24 which includes in particular a frame 26 made of a plastic material, for example in ABS.
  • a container 24 which includes in particular a frame 26 made of a plastic material, for example in ABS.
  • Electronic and mechanical time components that allow produce and then transmit hourly information to hands 16, 18 and 20 mounted directly inside the rigid frame 26 forming the plastic container 24.
  • the mounting of the time components in the container 24 is described in detail in Swiss Patent No. 643,704.
  • the container 24 is closed in a sealed manner by a glass 28 which can be made for example of a plastic material such as PMMA. Ice 28 is fixedly mounted and sealed by its peripheral edge 30 on the periphery of the frame 26 for example by gluing or by ultrasonic welding.
  • the technique of ultrasonic welding of a plastic lens on a support piece also made of plastic is notably described in American patents Nos 4,648,722 and 4,558,957.
  • Watch 1 further comprises a control rod 32 which allows operate the above time components.
  • Rod 32 slides at inside the frame 26, an O-ring 34 being interposed between a cylindrical wall interior of a hole 36 in the frame 26 and an annular groove shaped on said rod 32.
  • the electronic timekeeping components of watch 1 mentioned above are powered by a battery 40 entirely housed in the container 24.
  • a housing 42 commonly called a battery door, is provided in the container 24 and is sealed by a cover 44 of the type bayonet.
  • This cover 44 is provided with a seal 46 which rests elastically against the frame 26 and the stack 40.
  • This type of stack hatch closure on a plastic box is described in US Patent No. 4,448,345.
  • cover 44 is not fixed to the bottom 6 of box 2 of watch 1, as is usually the case, but on the rigid frame 26 made of plastic forming the container 24.
  • the cover 44 of the battery door 42 nevertheless remains accessible from the outside as will be described later.
  • the frame 26, the ice 28, the cover 44 and the control rod 32 form an independent container 24 absolutely waterproof and fitted with its 40 battery.
  • the leak tests and all other quality tests can be carried out before mounting container 24 in the metal box 2, so that the risk of mounting time components or defective containers in box 2 is avoided. So there is a high guarantee that each component and, in particular, the container 24 mounted in the metal box 2 is free from defects. This eliminates the disassembly and reassembly of defective components, which contributes to a significant drop in manufacturing costs.
  • the container 24 is axially suspended in a box 2 by means of an O-ring seal 46 produced in a elastically compressible material.
  • This seal 46 is disposed between an annular rim inside 48 of the box 2 and a projecting upper annular edge 50 corresponding to the container 24.
  • the O-ring 46 is compressed axially against the container 24 by the pressure exerted by the telescope 22. Thanks to the compressibility of the seal 46, the container 24 is held resiliently in the metal box 2 and does not need to lean on the bottom 6 of the box 2. The transverse setting of the container 24 is ensured by interior shoulders not shown in the box 2, provided above the inner annular rim 48 of said box 2.
  • the container 24 being fixed in the box 2 only at the level of the annular rim inside 48 of said box 2, it is advantageously possible to provide an interval between said box 2 and said container 24, all around it, which increases dimensional tolerances and therefore reduce manufacturing costs, by example using molding or striking techniques.
  • Container 24 remains fixed without play even after aging of its synthetic material which is preferably ABS.
  • the interval between the box 2 and the container 24 being closed opposite from the outside through the seal 46, moisture and dust cannot enter this interval, which avoids internal damage and the risk of developing bacteria that could interfere with the wearer of the watch. This seal remains when the cover 44 is closed closing the battery door 42.
  • the waterproof container 24 is held in place inside the box 2 thanks to the metallic or plastic bezel 22 with an inner annular bearing 52 supporting axially on the upper surface of the annular edge 50 of the container 24 for compress the O-ring 46.
  • the bezel 22 is held in place on the box 2 by through frustoconical spans 54 and 56 provided respectively on said bezel 22 and in the lateral part 58 of the box 2.
  • the bezel 22 covers the glass 28 by a roof 60 intended to hide from the wearer of the watch 1 according to the invention the plastic container 24. This roof 60 generally does not touch the ice 28 but can still serve as protection against accidental tearing of said ice 28.
  • the container 24 can be held in the case 2 of the watch 1 by other means than the bezel 22.
  • Figures 4 and 5 are perspective views, respectively from above and from below, of container 24.
  • the monohull container 24 is preferably made of a plastic material injected. In top view, the container 24 has a generally circular shape. He forms a bottom 62 as well as a side wall 64. It is closed by the dial 14 and by the crystal 28 glued or welded with ultrasound in a groove 66 of the side wall 64. The periphery of the dial 14 is supported on a face 68 of the side wall 64 and a plurality of positioning pins 70 is provided to allow centering of a date disc 72.
  • the internal space limited by the container 24 and the dial 14 contains a module motor (not shown).
  • This motor module is conventionally composed of a stator which plays the normal role of magnetic circuit guiding the magnetic field created by one or more coils wound around an axis which forms the movable part of the engine.
  • the rotor thus provides mechanical energy to a second hand consisting of a seconds wheel and a seconds pinion.
  • the mobile of seconds is mounted at the lower end of a seconds axis which carries the hand 20 seconds.
  • a roadway conventionally comprises a tube at the end from which the minute hand is mounted, and a minute wheel and a pinion minutes. This set is of course integral in rotation.
  • a cannon wheel which comprises, on the one hand, a tube on which is mounted the hour hand and, on the other hand, the hour wheel and the gable for hours.
  • pins 74 for positioning the motor are visible.
  • watch 1 is intended for communicate by radio frequency waves with an external interrogation device to distance.
  • watch 1 comprises (see in particular Figures 13 and 14) a transponder 76 comprising a signal transmission and / or reception circuit 78 radio-broadcast and an antenna 80 connected to the transmission and / or reception circuit 78.
  • the antenna 80 is constituted by a coil formed by one to several hundred turns of copper wire depending on the resonant frequency at which one wishes see said antenna 80 operating.
  • the resonant frequency of antenna 80 will be between 125 kHz and 13 MHz, the lowest frequencies being particularly well suited to services requiring neither great security in transactions between watch 1 and the external control terminal, nor significant data exchange flows, while the highest frequencies will rather be reserved for services requiring transaction security significant (banking transactions in particular) and involving exchanges of important data.
  • the transmission and / or reception 78 consists of an integrated circuit encapsulated in a box and mounted at the surface of a printed circuit 82.
  • the integrated circuit 78 is connected to the turns of the antenna 80 via two contact pads 83 for example in copper provided on the printed circuit 82.
  • the transponder 76 further comprises means for supplying the circuit transmission / reception 78.
  • These supply means can be constituted by the battery 40 of watch 1.
  • these supply means will take the form of a rectification circuit for signals received by the antenna 80 of the transponder 76.
  • this rectification circuit comprises two capacitors 84 which take place on the surface of the printed circuit 82 and which are arranged next to the circuit transmission / reception 78. Thanks to this particularly advantageous arrangement, the transponder 76 works completely passively and autonomously, the energy necessary for its operation being provided to it by the only electromotive force generated in antenna 80 by electromagnetic waves emitted by the device external remote interrogation.
  • the antenna 80 of the transponder 76 is housed in a groove 86 which runs the along the inside perimeter of container 24 (see Figure 4). Housing 88 is also provided in the side wall 64 of the container 24 to receive the circuit printed 82 on which is mounted the transmit / receive circuit 78 which is connected to two free ends of the antenna 80.
  • FIGS. 4 and 5 we see the hole 36 made in the side wall 64 of the container 24 to allow passage to the control rod 32.
  • the battery door 42 it is provided in the bottom 62 of said container 24.
  • This door pile 42 is in the form of a blind hole of generally circular outline adapted to the profile of the battery 40 which is housed in said battery door 42.
  • a through opening 90 In the bottom of the battery door 42 is formed a through opening 90 which allows connect the contact flange (not shown) of the electronic control module to negative pole 92 of battery 40.
  • the watch case 2 is made in one metallic or other material which has the property of conducting electricity.
  • this box 2 does not constitute a parasitic antenna inside which would induced a counter-electromotive force which would disturb the communication between the external remote interrogation device and the watch 1 according to the invention, practice in said box 2 a slot 94 (see Figures 2 and 3).
  • This slot 94 is made in the side wall or middle part 4 of the box 2, for example at 3 o'clock, that is to say at the level of the passage of the control rod 32, and may extend in the bottom 6 of the box 2 to the center of the latter.
  • the thickness of the slot 94 will be of the order of two millimeters.
  • the box 2 can be made of any type of electrically conductive material without the sensitivity of the system remote and contactless communication is altered. Indeed, like the metal box 2 is split, it prevents the flow of any electric current due to its high electrical resistance. Therefore, the waves electromagnetic emitted by the external remote interrogation device does not can no longer induce electromotive force in the metal box 2 likely to disrupt communication between said external device and the watch 1 according to the invention.
  • the metal box 2 also has a recess 96 in the center. As shown in Figures 2 and 3, almost the entire bottom 6 of the box 2 is hollowed out, only one remaining annular rim remaining interior 98 on which the container 24 can bear. Indeed, depending on the magnetic permeability of the material used to make the box 2 and function of the surface of said box 2 crossed by the electromagnetic field emitted by the external remote interrogation device, the flow picked up by the box 2 will be more or less important, so that the useful flow, that is to say the flow which will actually cross the antenna 80, is likely to vary, which can alter the quality and reliability of information exchanges between said external device and the shows 1 according to the invention.
  • the box 2 split and hollowed out in the center has however a lesser mechanical strength, so that the tensile stresses exerted on the strands of the bracelet can cause deformation of said box 2 which is likely to bend and open.
  • the mechanical retaining means carried by the container 24 include two pins 102 which are made in one piece with the plastic container 24 and which are housed in the holes 100 opposite the metal box 2.
  • the mechanical retaining means carried by the container 24 include two pins 104 driven into two blind holes 106 made in said container 24 and which are housed in the holes 100 opposite the metal box 2.
  • blind holes 100 could be made in the container 24 and the mechanical retaining means, pins 102 or pins 104, could be carried by the metal box 2.
  • the container 24 has a rib radial 108 which engages in the slot 94 formed in the box 2 and whose profile edge 110 perfectly fits the profile of the outer contour of said box metallic 2. Thanks to this characteristic, the unsightly day left by the slot 94 is filled by the rib 108 that carries the container 24 and the metal box 2 has a smooth and continuous exterior surface.
  • the box 2 has, arranged on either side of the slot 94, two housings 112 made in the middle part 4 of said box 2 and whose geometric shapes are adapted to allow these housings 112 to each receive an extension radial prismatic 114 of the container 24.
  • the box 2 has two stops 116 against which the prismatic extensions 114 of container 24 come to bear in the event of traction on the strands of the bracelet of the shows 1 and which prevent said prismatic extensions 114 from escaping from their housings 112.
  • the slot 94 is housed in the box 2 at nine o'clock, that is to say opposite to a hole 117 formed in said box 2 for the passage of the control rod 32.
  • the container 24 is simply glued to the bottom 6 of the box 2.
  • This solution has the merit of being little expensive to implement.
  • the disadvantage of such a solution lies in that the assembly formed by the waterproof container 24 and the box 2 is, after collage, made non-removable, so that a subsequent repair of the watch 1 in failure of one of its components cannot be envisaged.
  • the present invention provides for practicing at least one radial hole 118 in the middle part 4 of the box 2, hole 118 which is extended by a hole radial 120 facing made in the side wall 64 of the container 24. In these holes 118, 120 are engaged mechanical retaining means which allow axially hold the container 24 in the box 2.
  • the holes 118, 120 are preferably four in number, the holes 118 being provided in the housings of the box 2 which receive the two strands of a bracelet, that is to say arranged substantially at eleven o'clock, one o'clock, five o'clock and seven o'clock, while the 120 holes are made next to the holes 118 in anchor studs 122 which are made of piece with container 24.
  • the holes 120 are blind holes which therefore do not affect the tightness of the container 24 and in which the mechanical retaining means are engaged above which allow the axial retention of the container 24 in the box 2.
  • these mechanical retaining means are formed by pins 124 driven into the anchor holes 120 of container 24 and which come flush with the exterior surface of the metal case 2, these pins 124 having at their free end situated on the side of said housing 2 a hole 126 intended to receive a tool for their removal and the dismantling the watch 1.
  • the mechanical retaining means allowing the axial retention of the container 24 in the box 2 include screws 128 screwed radially into said box 2 and passing through this box 2 so as to be engaged in said container 24.
  • the bezel 22 is made of a plastic material. She can however also be made of a metallic material. In this last case, like the metal box 2, it must have a slot 130 (see figure 15) so as not to constitute a parasitic antenna capable of altering the communication between the external remote interrogation device and the watch 1 according to the invention.
  • the slot 130 of the metal bezel 22 should be arranged directly above the slot 94 in the box 2 so as not to close the circuit electric formed by said metal box 2.
  • the slot 94 can be practiced in the metal box 2 at noon or at six o'clock, that is to say in the region where the horns 8 of said box are located.
  • the connecting axis which crosses the holes 10 of the horns 8 and which is intended to fix the strands of the bracelet is metallic, it will be necessary to coat this connecting axis with a coating produced in a insulating material such as plastic to prevent said connecting pin from closes the electrically conductive circuit formed by the metal box 2.

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  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
EP00204412A 2000-12-11 2000-12-11 Tragbare Vorrichtung, insbesondere Uhrwerk, mit einem in einem metallischen Gehäuse montierten wasserdichten Behälter Withdrawn EP1213629A1 (de)

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EP00204412A EP1213629A1 (de) 2000-12-11 2000-12-11 Tragbare Vorrichtung, insbesondere Uhrwerk, mit einem in einem metallischen Gehäuse montierten wasserdichten Behälter

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EP00204412A EP1213629A1 (de) 2000-12-11 2000-12-11 Tragbare Vorrichtung, insbesondere Uhrwerk, mit einem in einem metallischen Gehäuse montierten wasserdichten Behälter

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6724690B1 (en) 2001-07-25 2004-04-20 Mitsubishi Materials Corporation Wrist watch containing tag
WO2004034156A1 (de) * 2002-09-12 2004-04-22 Junghans Uhren Gmbh Uhr, insbesondere transponderuhr mit metallischem gehäuse
EP1420477A1 (de) * 2002-11-13 2004-05-19 Mitsubishi Materials Corporation Armbanduhr mit einem RFID-Etikett
EP1424611A1 (de) * 2001-09-07 2004-06-02 Seiko Epson Corporation Elektronische uhr mit kontaktloser datenkommunikationsfunktion und kontaktloses datenkommunikationssystem
GB2398454A (en) * 2002-12-20 2004-08-18 Paxton Access Ltd Housing for an RFID module
SG146464A1 (en) * 2007-03-20 2008-10-30 Tunity Technologies Pte Ltd Securable wrist-strap rfid assembly
EP2228695A1 (de) 2009-03-13 2010-09-15 Winwatch SA Dichtung zum wasserdichten Abschließen zwischen dem Glas und dem Gehäuse einer Armbanduhr, welche Dichtung ein elektronisches Modul umfasst und Armbanduhr, die eine solche Dichtung aufweisst.
US20160313769A1 (en) * 2015-04-23 2016-10-27 Semiconductor Energy Laboratory Co., Ltd. Electronic device
EP2749969A3 (de) * 2009-07-14 2017-01-18 Seiko Epson Corporation Uhr mit drahtloser Kommunikationsfunktion
CN109343329A (zh) * 2018-11-30 2019-02-15 歌尔科技有限公司 一种智能手表及其表壳

Citations (3)

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Publication number Priority date Publication date Assignee Title
EP0710900A1 (de) * 1994-11-04 1996-05-08 Eta SA Fabriques d'Ebauches Uhr mit einer in einem metallischen Gehäuse montierten wasserdichten Schale
EP0844685A1 (de) * 1996-11-22 1998-05-27 Eta SA Fabriques d'Ebauches Uhr mit Antenne zum Empfangen und/oder Aussenden von Funksignalen
DE29707874U1 (de) * 1997-05-02 1998-05-28 Becker Klaus Uhrengehäuse aus Plastik mit aufgesetzten Ringen für funkgesteuerte Uhren aller Art

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0710900A1 (de) * 1994-11-04 1996-05-08 Eta SA Fabriques d'Ebauches Uhr mit einer in einem metallischen Gehäuse montierten wasserdichten Schale
EP0844685A1 (de) * 1996-11-22 1998-05-27 Eta SA Fabriques d'Ebauches Uhr mit Antenne zum Empfangen und/oder Aussenden von Funksignalen
DE29707874U1 (de) * 1997-05-02 1998-05-28 Becker Klaus Uhrengehäuse aus Plastik mit aufgesetzten Ringen für funkgesteuerte Uhren aller Art

Cited By (15)

* Cited by examiner, † Cited by third party
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US6724690B1 (en) 2001-07-25 2004-04-20 Mitsubishi Materials Corporation Wrist watch containing tag
EP1424611A1 (de) * 2001-09-07 2004-06-02 Seiko Epson Corporation Elektronische uhr mit kontaktloser datenkommunikationsfunktion und kontaktloses datenkommunikationssystem
EP1424611A4 (de) * 2001-09-07 2006-08-30 Seiko Epson Corp Elektronische uhr mit kontaktloser datenkommunikationsfunktion und kontaktloses datenkommunikationssystem
WO2004034156A1 (de) * 2002-09-12 2004-04-22 Junghans Uhren Gmbh Uhr, insbesondere transponderuhr mit metallischem gehäuse
EP1420477A1 (de) * 2002-11-13 2004-05-19 Mitsubishi Materials Corporation Armbanduhr mit einem RFID-Etikett
GB2398454A (en) * 2002-12-20 2004-08-18 Paxton Access Ltd Housing for an RFID module
SG146464A1 (en) * 2007-03-20 2008-10-30 Tunity Technologies Pte Ltd Securable wrist-strap rfid assembly
EP2228695A1 (de) 2009-03-13 2010-09-15 Winwatch SA Dichtung zum wasserdichten Abschließen zwischen dem Glas und dem Gehäuse einer Armbanduhr, welche Dichtung ein elektronisches Modul umfasst und Armbanduhr, die eine solche Dichtung aufweisst.
EP2749969A3 (de) * 2009-07-14 2017-01-18 Seiko Epson Corporation Uhr mit drahtloser Kommunikationsfunktion
US20160313769A1 (en) * 2015-04-23 2016-10-27 Semiconductor Energy Laboratory Co., Ltd. Electronic device
US10664020B2 (en) * 2015-04-23 2020-05-26 Semiconductor Energy Laboratory Co., Ltd. Electronic device
US11397451B2 (en) 2015-04-23 2022-07-26 Semiconductor Energy Laboratory Co., Ltd. Electronic device
US20220326740A1 (en) * 2015-04-23 2022-10-13 Semiconductor Energy Laboratory Co., Ltd. Electronic device
CN109343329A (zh) * 2018-11-30 2019-02-15 歌尔科技有限公司 一种智能手表及其表壳
CN109343329B (zh) * 2018-11-30 2024-05-17 华为技术有限公司 一种智能手表及其表壳

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