EP1315234A1 - VHF-Empfangsantenne integriert in das Armband einer tragbaren elektronischen Vorrichtung - Google Patents
VHF-Empfangsantenne integriert in das Armband einer tragbaren elektronischen Vorrichtung Download PDFInfo
- Publication number
- EP1315234A1 EP1315234A1 EP01204565A EP01204565A EP1315234A1 EP 1315234 A1 EP1315234 A1 EP 1315234A1 EP 01204565 A EP01204565 A EP 01204565A EP 01204565 A EP01204565 A EP 01204565A EP 1315234 A1 EP1315234 A1 EP 1315234A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electronic device
- antenna
- bracelet
- substrate
- printed
- 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- Withdrawn
Links
Images
Classifications
-
- 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
-
- 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
- G04G—ELECTRONIC TIME-PIECES
- G04G99/00—Subject matter not provided for in other groups of this subclass
-
- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R60/00—Constructional details
- G04R60/04—Antennas attached to or integrated in watch bracelets
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
Definitions
- the present invention relates to a portable electronic device comprising a bracelet, a case and an electronic circuit for receiving radio broadcast signals comprising an antenna disposed in said bracelet.
- the present invention relates to an antenna structure which allows the portable device to receive signals whose frequency is located in the domain of very high frequencies, i.e. VHF ("Very High Frequency”) waves, with good sensitivity.
- said antenna is capable of receiving signals belonging to the range frequency of the FM band ("Frequency Modulation”), in other words whose frequency is substantially between 87 and 110 MHz.
- connection means however complicate the construction of the bracelet, especially since they are preferably protected from the external environment, particular from the sweat of the watch wearer, which requires taking important protective measures.
- the Applicant has highlighted, during its research, that it is possible with the present invention to improve electronic devices portable above-mentioned, in particular thanks to a simple construction of the antenna, despite its simplicity allowing good signal reception sensitivity radio broadcast in VHF.
- the solution according to the present invention further allows the use of such a type of antenna without requiring major modifications in the constructions of the prior art to integrate it.
- the invention relates to a portable electronic device of the type indicated above, characterized in that said antenna comprises at least one flat coil produced in the form of a spiral winding.
- the size of the antenna in the bracelet is greatly limited while ensuring the electronic device according to the present invention a quality of optimal reception.
- said antenna comprises a second flat coil produced in the form of a winding spiral.
- This further improves the sensitivity of the electronic device according to the present invention, insofar as the two coils are connected in series, in causing only a very small increase in the size of the antenna in the bracelet.
- a device comprising a bracelet made of two independent parts, placing a first of said two coils in a first strand, while the second coil is placed in the second bracelet strand.
- each coil is produced by the deposit of a copper strip, for example, on a substrate and that, in this case, a first coil is arranged on a first face of said substrate while the second coil is arranged on the second face of the substrate.
- This variant embodiment facilitates the means of connection with the integrated circuit of the circuit reception of radio signals, in particular when the latter is housed in the electronic device housing.
- the substrate used to support the antenna according to the present invention is made of a flexible material, so as to allow deformations of the bracelet.
- the integrated circuit of the receiving circuit being disposed in the case of the electronic device, it is planned to use tracks to connect it to the ends of the coil (s). These tracks metal are preferably supported by an extension of the substrate which extends to the interior of said housing.
- an opening is provided in the substrate to allow the establishment of the connection of the inner end of said coil with said corresponding metal track.
- the solution described above is implemented work in a timepiece, the case comprising in this case in particular a clock movement coupled with time display means.
- Figure 1 is a general elevational view of an antenna 1 having a single coil 2, according to a main embodiment of the present invention, on which is apparent the specific shape of said coil wound in a spiral.
- the coil 2 preferably made of copper and having a small thickness of the order of a few micrometers, is arranged on the face front 3 of a substrate 4.
- the substrate 4 has a substantially rectangular shape.
- the winding in spiral of the coil 2 has a substantially rectangular general shape, of so as to optimize the surface of available substrate.
- a particularly advantageous system is thus obtained in that the surface coil 2 can be much larger than if it were housed in the housing of the portable device.
- a first end 5 of the coil 2 is located outside the spiral and is extended by an elongated rectangular connector 6, disposed on an extension 7 substrate 4 and intended to connect said first end 5 of coil 2 to a circuit integrated (visible in Figure 2).
- a second elongated rectangular connector 8 is disposed on said extension 7 of the substrate, parallel to the first connector 6, and is intended to connect the second end 9 of the coil 2 to said integrated circuit.
- Said second end 9 being located inside the spiral, an opening 10 is made through the substrate 4 and filled with a material having a high electrical conduction.
- an electrical contact with the second end 9 of the coil 2 is made available on the rear face 11 of the substrate 4.
- an opening 12 is formed through the substrate 4 and filled with an electrically conductive material, under the end 13 of the second connector 8 located on the side of the coil 2, so that make electrical contact with said second connector 8 on the rear face 11 of the substrate.
- a metallization track 14 is also provided to finalize the connection electric between the second end 9 of the coil 2 and the second connector rectangular 8.
- the antenna 1 shown in Figure 1 being intended to be housed in a portable device bracelet
- said substrate 4 is favorably produced in a flexible material, in particular when a deformable bracelet is provided to wear the electronic device according to the invention.
- materials such as than Kapton (registered trademark) or any other material with properties equivalent of adhesion with copper and flexibility.
- said substrate 4 has a thickness of the order of a few tens of micrometers.
- said manufacture of said antenna 1 uses techniques known in the art prior, especially in the field of printed circuit manufacturing. Indeed, those skilled in the art will be able to adapt one of the methods without particular difficulty conventional in the said field.
- Kapton sheet cut to adequate dimensions and comprising the two openings10, 12 described above, that we filled with an electrically conductive material.
- This sheet thus prepared defines the substrate 4 of the antenna 1.
- FIG. 2 shows a transparent view of the electronic device portable 15 according to the invention, incorporating the antenna 1 which has just been described in a bracelet strand 16. It can be seen in this figure that the dimensions of the antenna 1 according to the invention advantageously allow the portable device 15 to be equipped a bracelet with usual dimensions.
- the antenna 1 is here represented in a curved configuration, illustrating the flexibility properties of the substrate 4. It should be noted the great importance of the choice made to place the antenna 1 close to the upper surface 17 of the strand 16. Indeed, the human body is generally responsible for a decrease in the sensitivity of an antenna which is placed in its proximity, by a shielding effect, this is why the distance d must have the highest possible value. So, the antenna of the electronic device according to the invention has a high sensitivity for receiving radio broadcast signals.
- the integration of antenna 1 in the bracelet of the electronic device 15 can be performed in various ways.
- the portable electronic device is not limited by the structure of the bracelet, which can either have one or two strands and which can be expandable or not.
- the extension 7 of the substrate 4 carrying the rectangular connectors 6 and 8 extend to the inside of the housing 18 of the portable electronic device 15, in contact with a printed circuit 19.
- the latter has two openings 20 (only one being visible in FIG. 2) passing through it completely and filled with an electrically conductive material.
- the connectors rectangular 6 and 8 are respectively connected to said printed circuit 19, respectively at each of said openings 20 so as to define a electrical contact with each of the ends 5 and 9 of the coil 2 on the face upper 21 of the printed circuit 19.
- the connection between the connectors 6, 8 and the circuit printed 19 is carried out in a conventional manner, that is to say by welding, screwing, bonding using an electrically conductive glue, or by any other means equivalent.
- An integrated circuit 22 is also carried by the printed circuit 19 and is connected to said two electrical contacts 20 by metallization tracks 23 (one only being visible in Figure 2).
- This integrated circuit 22 processes the radio signals received by antenna 1 so that they can then be returned accessible to a user of the portable electronic device 15 according to the invention, in a directly usable form.
- This aspect of the operation of the device portable electronics 15 will not be discussed in more detail here as it does has only a secondary character in the present invention.
- the description of this patent application sets out several modes for making the passage of electrical connectors through a watch case tightly.
- the solution described in this patent application consists in providing an opening on the side of the watch case, in which has a channel 24 of substantially tubular shape. Sealing means 25 are provided between the watch case 18 and the outside of the tubular channel 24.
- the electrical connectors are guided inside the watch case by the channel and means are further provided for sealing the interior of the channel 24 relative to the outside of the watch case.
- These sealing means are by example produced in the form of a joint 26 overmolded around the connectors electric and having the same shape as the inside of the channel, thus ensuring a plug function.
- Means such as connectors can optionally be provided themselves do not penetrate inside the device housing electronic.
- This latter embodiment advantageously makes it possible to facilitate the construction of the housing 18 of the device from the point of view of sealing, in so far where it is not necessary that openings are made in said housing.
- FIG. 3 represents a second embodiment of the antenna 1 of the portable electronic device 15 according to the present invention, wherein said antenna 1 comprises two coils 2, 27 printed on the same substrate 28.
- the substrate 28 is of the same type as that 4 described previously in relation to the Figure 1, with the difference that its thickness must be significantly greater than that of said substrate 4 of FIG. 1.
- the coils 2, 27 being made opposite respectively on each of the faces 29, 30 of the substrate 28, they can by therefore present a parasitic capacitive coupling detrimental to the quality of reception of antenna 1.
- the amplitude of this coupling capacitive depends on the width of the respective turns of the two coils 2, 27 as well as of the working frequency.
- Those skilled in the art will have no difficulty particular to adjust the thickness of the substrate 28 in order to find a compromise between the size of the antenna 1 and the influence of the capacitive coupling on its sensitivity in reception.
- a second coil 27 in the general shape of a spiral, printed on the rear face 30 of the substrate 28, the first end of which 28 external to the spiral is connected to said rear metallization track 14.
- the second end 32 of the coil 27, located inside the spiral is connected to the opening 10 connecting the second end 9 of the first coil 2 to the rear face 30 of the substrate 28, so that the two coils 2 and 27 are connected in series.
- the two coils 2, 27 are wound in opposite directions, one with respect to to the other.
- the coil 2 located on the upper face 29 of the substrate 28 is wound in the direction negative trigonometric, when traversed from its first outer end 5 towards its inner end 9, while the second coil 27 located on the face back 30 of substrate 28 is wound in a positive trigonometric direction, when travels from its first outer end 31 to its inner end 32.
- the respective induced currents resulting from the application of the same magnetic field on the respective coils 2, 27 have the same direction of circulation and are therefore accumulated before being received by the integrated circuit 22 for processing radio signals.
- the method of manufacturing the antenna 1 shown in FIG. 3 is similar to that used for the manufacture of the antenna shown in FIG. 1.
- this antenna meets the same requirements as that described above in relation to FIG. 2.
- each of the two coils can be housed in a different strand. In that case, it is of course necessary to provide additional contacts on the printed circuit as well as additional metallization tracks.
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01204565A EP1315234A1 (de) | 2001-11-26 | 2001-11-26 | VHF-Empfangsantenne integriert in das Armband einer tragbaren elektronischen Vorrichtung |
AU2002351808A AU2002351808A1 (en) | 2001-11-26 | 2002-10-31 | Vhf wave receiver antenna housed in a wristband of a portable electronic device |
EP02787533A EP1451897B1 (de) | 2001-11-26 | 2002-10-31 | Vhf-wellenempfängerantenne, die in einem armband einer tragbaren elektronischen einrichtung untergebracht ist |
JP2003561043A JP2005515679A (ja) | 2001-11-26 | 2002-10-31 | ポータブル電子デバイスのリストバンド内に収容されたvhf波受信アンテナ |
AT02787533T ATE295002T1 (de) | 2001-11-26 | 2002-10-31 | Vhf-wellenempfängerantenne, die in einem armband einer tragbaren elektronischen einrichtung untergebracht ist |
DE60204050T DE60204050T2 (de) | 2001-11-26 | 2002-10-31 | Vhf-wellenempfängerantenne, die in einem armband einer tragbaren elektronischen einrichtung untergebracht ist |
CNA028233808A CN1592986A (zh) | 2001-11-26 | 2002-10-31 | 放置在便携式电子装置的表带中的特高频波接收天线 |
US10/496,648 US7113137B2 (en) | 2001-11-26 | 2002-10-31 | Vhf wave receiver antenna housed in a wristband of a portable electronic device |
KR10-2004-7007908A KR20040062644A (ko) | 2001-11-26 | 2002-10-31 | 휴대용 전자장치의 손목밴드 내에 수용된 vhf파 수신안테나 |
PCT/EP2002/012177 WO2003061066A1 (en) | 2001-11-26 | 2002-10-31 | Vhf wave receiver antenna housed in a wristband of a portable electronic device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01204565A EP1315234A1 (de) | 2001-11-26 | 2001-11-26 | VHF-Empfangsantenne integriert in das Armband einer tragbaren elektronischen Vorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1315234A1 true EP1315234A1 (de) | 2003-05-28 |
Family
ID=8181312
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01204565A Withdrawn EP1315234A1 (de) | 2001-11-26 | 2001-11-26 | VHF-Empfangsantenne integriert in das Armband einer tragbaren elektronischen Vorrichtung |
EP02787533A Expired - Lifetime EP1451897B1 (de) | 2001-11-26 | 2002-10-31 | Vhf-wellenempfängerantenne, die in einem armband einer tragbaren elektronischen einrichtung untergebracht ist |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02787533A Expired - Lifetime EP1451897B1 (de) | 2001-11-26 | 2002-10-31 | Vhf-wellenempfängerantenne, die in einem armband einer tragbaren elektronischen einrichtung untergebracht ist |
Country Status (9)
Country | Link |
---|---|
US (1) | US7113137B2 (de) |
EP (2) | EP1315234A1 (de) |
JP (1) | JP2005515679A (de) |
KR (1) | KR20040062644A (de) |
CN (1) | CN1592986A (de) |
AT (1) | ATE295002T1 (de) |
AU (1) | AU2002351808A1 (de) |
DE (1) | DE60204050T2 (de) |
WO (1) | WO2003061066A1 (de) |
Cited By (4)
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US6854978B2 (en) | 2002-10-28 | 2005-02-15 | Eta Sa Manufacture Horlogere Suisse | Portable electronic device including means for establishing an electrical connection inside a case of said device |
EP1612885A1 (de) * | 2004-07-02 | 2006-01-04 | ETA SA Manufacture Horlogère Suisse | Optimierung einer einschleifigen Loop-Antenne integriert in das Band einer Armbanduhr |
US7038634B2 (en) | 2004-07-02 | 2006-05-02 | Eta Sa Manufacture Horlogère Suisse | Optimization of a loop antenna geometry embedded in a wristband portion of a watch |
CN102063050A (zh) * | 2010-09-03 | 2011-05-18 | 鸿富锦精密工业(深圳)有限公司 | 具天线的腕戴式电子装置 |
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US11338194B2 (en) | 2018-09-28 | 2022-05-24 | Sg Gaming, Inc. | Automatic card shufflers and related methods of automatic jam recovery |
EP3751359A1 (de) * | 2019-06-12 | 2020-12-16 | The Swatch Group Research and Development Ltd | Antennenanordnung, verkleidungsteil einer uhr, die eine solche antennenanordnung umfasst, und herstellungsverfahren eines solchen uhrenverkleidungsteils |
PH12020050309A1 (en) | 2019-09-10 | 2021-03-22 | Shuffle Master Gmbh And Co Kg | Card-handling devices with defect detection and related methods |
US11173383B2 (en) | 2019-10-07 | 2021-11-16 | Sg Gaming, Inc. | Card-handling devices and related methods, assemblies, and components |
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WO2000069234A1 (fr) * | 1999-05-07 | 2000-11-16 | The Furukawa Electric Co., Ltd. | Procede de cablage et dispositif de cablage |
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- 2001-11-26 EP EP01204565A patent/EP1315234A1/de not_active Withdrawn
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- 2002-10-31 KR KR10-2004-7007908A patent/KR20040062644A/ko not_active Application Discontinuation
- 2002-10-31 CN CNA028233808A patent/CN1592986A/zh active Pending
- 2002-10-31 AU AU2002351808A patent/AU2002351808A1/en not_active Abandoned
- 2002-10-31 EP EP02787533A patent/EP1451897B1/de not_active Expired - Lifetime
- 2002-10-31 DE DE60204050T patent/DE60204050T2/de not_active Expired - Fee Related
- 2002-10-31 JP JP2003561043A patent/JP2005515679A/ja active Pending
- 2002-10-31 AT AT02787533T patent/ATE295002T1/de not_active IP Right Cessation
- 2002-10-31 US US10/496,648 patent/US7113137B2/en not_active Expired - Fee Related
- 2002-10-31 WO PCT/EP2002/012177 patent/WO2003061066A1/en active IP Right Grant
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EP0631341A1 (de) * | 1993-06-28 | 1994-12-28 | Seiko Instruments Inc. | Elektrische Vorrichtung mit einem Verdrahtungskreis in einem Armband |
DE9402573U1 (de) * | 1994-02-17 | 1995-06-14 | Junghans Uhren Gmbh | Antenneneinrichtung einer kleinen Funkuhr, insbesondere einer Funkarmbanduhr |
EP1014231A1 (de) * | 1998-12-22 | 2000-06-28 | Eta SA Fabriques d'Ebauches | Armbanduhr mit kapazitiver Kopplung |
EP1033636A1 (de) * | 1999-03-04 | 2000-09-06 | Asulab S.A. | Uhr mit Vorrichtung um elektrische Verbindungsvorrichtungen im Uhrengehäuse einzu führen |
WO2001069717A1 (en) * | 2000-03-13 | 2001-09-20 | Rcd Technology, Inc. | Method for forming radio frequency antenna using conductive inks |
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US6854978B2 (en) | 2002-10-28 | 2005-02-15 | Eta Sa Manufacture Horlogere Suisse | Portable electronic device including means for establishing an electrical connection inside a case of said device |
EP1612885A1 (de) * | 2004-07-02 | 2006-01-04 | ETA SA Manufacture Horlogère Suisse | Optimierung einer einschleifigen Loop-Antenne integriert in das Band einer Armbanduhr |
US7038634B2 (en) | 2004-07-02 | 2006-05-02 | Eta Sa Manufacture Horlogère Suisse | Optimization of a loop antenna geometry embedded in a wristband portion of a watch |
CN102063050A (zh) * | 2010-09-03 | 2011-05-18 | 鸿富锦精密工业(深圳)有限公司 | 具天线的腕戴式电子装置 |
Also Published As
Publication number | Publication date |
---|---|
DE60204050D1 (de) | 2005-06-09 |
US20050012671A1 (en) | 2005-01-20 |
KR20040062644A (ko) | 2004-07-07 |
AU2002351808A1 (en) | 2003-07-30 |
CN1592986A (zh) | 2005-03-09 |
DE60204050T2 (de) | 2006-01-19 |
EP1451897A1 (de) | 2004-09-01 |
US7113137B2 (en) | 2006-09-26 |
JP2005515679A (ja) | 2005-05-26 |
WO2003061066A1 (en) | 2003-07-24 |
EP1451897B1 (de) | 2005-05-04 |
ATE295002T1 (de) | 2005-05-15 |
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