EP0766152A1 - Uhr mit einer Antenne - Google Patents

Uhr mit einer Antenne Download PDF

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Publication number
EP0766152A1
EP0766152A1 EP96114676A EP96114676A EP0766152A1 EP 0766152 A1 EP0766152 A1 EP 0766152A1 EP 96114676 A EP96114676 A EP 96114676A EP 96114676 A EP96114676 A EP 96114676A EP 0766152 A1 EP0766152 A1 EP 0766152A1
Authority
EP
European Patent Office
Prior art keywords
antenna
housing
timepiece
transmission line
timepiece according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP96114676A
Other languages
English (en)
French (fr)
Other versions
EP0766152B1 (de
Inventor
Anja Skrivervik
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.)
Asulab AG
Original Assignee
Asulab AG
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 Asulab AG filed Critical Asulab AG
Publication of EP0766152A1 publication Critical patent/EP0766152A1/de
Application granted granted Critical
Publication of EP0766152B1 publication Critical patent/EP0766152B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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 timepiece intended to be worn on the arm or the wrist, said piece comprising either a dipole antenna or a radiating slot antenna capable of picking up and / or emitting an electromagnetic field carrying radio messages, a housing comprising members for displaying the time and a micro transceiver which receives or transmits messages using the antenna.
  • the object of the present invention is to provide a timepiece of the type defined above which overcomes the drawbacks of the prior art.
  • the invention also aims to provide such a timepiece whose antenna as such and its electrical dimensions are optimized.
  • the invention aims to provide such a timepiece in which the construction of the antenna and its mounting in the housing are simple. This construction is also compact.
  • the subject of the invention is a timepiece intended to be worn on the wrist, the piece comprising either a dipole antenna or a radiating slot antenna capable of picking up and / or emitting an electromagnetic field carrying messages radio stations, a first box comprising members for displaying the time and a micro transceiver which receives or transmits messages using the antenna.
  • the timepiece is characterized by the fact that it further comprises a second case intended to receive the first case so that the external surface of the first case and the inner surface of the second housing define a mounting groove, in that the antenna comprises a dielectric substrate and at least one conductive element in printed circuit fixed on the substrate and which defines a radiating element of said antenna and in that the antenna is located in the mounting groove so that it is wrapped around the first housing.
  • the antenna can, on the one hand, be manufactured independently of the other elements of the timepiece.
  • the antenna can be easily housed in this timepiece during its assembly so as to take advantage of the inherent dimensions of the timepiece to optimize the electrical dimensions of the antenna.
  • the timepiece further comprises a ground plane located in the mounting groove, between the antenna and the exterior surface of the first housing so that it surrounds this housing.
  • FIG. 1 schematically represents an forearm carrying a wristwatch 1 comprising a box 2 and a bracelet 3.
  • the box 2 contains an antenna 4.
  • FIG. 2 is a plan view of the wristwatch 1 comprising the housing 2, the bracelet 3 and the antenna 4.
  • the wristwatch 1 further comprises an additional housing 5, which is disposed in the housing 2.
  • a micro transceiver 6 is arranged in the housing 5 in addition to the time display members comprising in particular a movement 7, a dial 8, hands 9 and a supply battery 10.
  • the micro transceiver 6 is connected to the antenna 4 so that it receives or transmits messages using the latter and then transforms these messages into data perceptible by the wearer of the wristwatch 1, for example, by emitting sound signals.
  • the antenna 4 comprises conductive elements in circuit prints 11 and 12 fixed on a dielectric substrate 13.
  • the substrate 13 is preferably flexible. For example, it has been determined that commercially available Kapton® and Espanex® materials are suitable in this regard.
  • the conductive element 11 defines a dipole.
  • this dipole has a length of approximately ⁇ 2 , where ⁇ is the wavelength of the electromagnetic signal that the antenna is intended to receive or transmit.
  • the conductive element 12 forms a compensation arm which is added to this dipole. The length of the arm is adjusted so that the impedance of the antenna is adapted to a transmission line which connects the antenna 1 to the micro transceiver 6 disposed in the case of the timepiece of the invention.
  • connection between the antenna 4 and this transmission line is assigned to two excitation points 14 and 15, respectively at mid-length of the conductive element 11 and on the conductive element 12.
  • the conductive elements 11 and 12 are preferably formed by metallic deposits, for example, of copper, on the dielectric substrate 13.
  • FIG. 4 shows a variant of the antenna of FIG. 3. It can be seen in this figure that the antenna 16 comprises conductive elements in printed circuit 17.1 and 17.2 fixed on a dielectric substrate 18.
  • the conductive element 17.1 forms a dipole. Preferably, this dipole has a length of approximately ⁇ 2 .
  • the conductive element 17.2 forms a compensation arm which is added to this dipole.
  • An armature of a capacitor 19 is connected with the end of the conducting element 17.2 so as to form with the latter a gamma adaptation connection between the dipole 17.1 and the transmission line which connects the antenna 1 to the microreceptor 6.
  • the connection between antenna 16 and the transmission line is assigned to two excitation points, respectively at mid-length of the conducting element 17.1 and the other armature of the capacitor 19.
  • FIG. 5 is a sectional view of the wristwatch 1.
  • the timepiece 1 includes the dipole antenna 4 of Figure 3 as well as the two cases 2 and 5, the clockwork movement 7, the microreceptor 6 and the power supply battery 10 of FIG. 2.
  • the timepiece 1 also comprises a printed circuit board 20 mounted in the housing 5, a crystal 21, a base 22 and a transmission line 23.
  • the micro transmitter- receiver 6 is mounted on the printed circuit board 20.
  • the micro transceiver 6 and the movement 7 are supplied by the portable energy source 10.
  • the housing 2 is intended to receive the housing 5 so that the exterior surface of the housing 5 and the interior surface of the housing 2 define a mounting groove 25.
  • the antenna 4 is located in the mounting groove 25 so that it wraps around the housing 5.
  • the arrangement which has just been described makes it possible to manufacture the antenna independently of the other elements of the timepiece. This facilitates the manufacture not only of the antenna but also of the timepiece as such.
  • this arrangement facilitates the housing of the antenna during its assembly in the timepiece so as to take advantage of the inherent dimensions of the latter and to be able to optimize the electrical dimensions of the antenna.
  • the surface of the conductive elements 11 and 12 extend in the direction of the depth of the wristwatch 1, namely in the direction between its crystal and its background.
  • the optimization of the antenna 4 is linked to this surface.
  • the depth of a wristwatch is a dimension that can be relatively easily changed without significantly affecting either its visual appearance or the ease of use.
  • the arrangement of the antenna in this way makes it possible to facilitate the optimization of the antenna in a wristwatch.
  • the antenna 4 is excited using the transmission line 23 which connects the antenna 4 to the microreceptor 6.
  • the transmission line 23 is preferably made up of a microstrip track.
  • this transmission line could also consist of a coaxial cable.
  • the transmission line 23 passes through an opening 26 formed in the side wall of the housing 5.
  • this arrangement makes it possible to minimize the length of the transmission line 23 and thus minimize losses due to it.
  • the wristwatch 1 could also include a ground plane 24.
  • the ground plane 24 is located in the mounting groove 25 between the antenna 4 and the outer surface of the housing 5 so that it surrounds the latter.
  • the ground plane 24 has the advantage of electrically isolating the antenna 4 from the disturbing elements which are inside the wristwatch 1, for example, metallic masses such as the movement 7, the microreceptor 6 and the power supply battery 10.
  • the characteristics of the antenna 4 can be selected without considering the disturbing effects originating from the interior of the wristwatch 1.
  • One of the advantages of such an arrangement is that it allows the use of the same antenna with various watch movements.
  • FIG. 7 shows a third embodiment of the antenna of the timepiece of the invention.
  • This antenna 30 consists of a printed circuit conducting element 31 fixed on a dielectric substrate 32.
  • the substrate 32 is preferably made of a flexible material.
  • the element conductor 31 is preferably produced by a metallic deposit on the dielectric substrate 32.
  • a radiating slit 33 is formed in the conductive element 31.
  • this antenna is the dual of a conventional dipole antenna, such as the dipole formed by the conductive element 11
  • the radiating slot 33 forms the complement of a dipole.
  • the slot has a length of about ⁇ 2 , where ⁇ is the wavelength of the electromagnetic signal that the antenna is intended to receive.
  • connection between the antenna 30 and the transmission line 23 is assigned at two excitation points 34 and 35, respectively at mid-length and at opposite sides of the radiating slot 33. If necessary, the adaptation of the antenna 30 at the impedance of the transmission line 23 can be done using a capacitor connected between one of the excitation points and one of the conductors of the transmission line 23.
  • the antenna 30 is also located in the mounting groove 25 so that it is wound around the housing 5.
  • FIG. 8 shows a fourth embodiment of the antenna of the timepiece of the invention.
  • the antenna 40 consists of a conductive element 41 fixed to a dielectric substrate 42.
  • the latter is preferably made of a flexible material.
  • the conductive element 41 is preferably produced by a metallic deposit on the substrate 32, and defined by, a radiating slot 43 is formed in the ground plane 41. While the slot 33 is rectilinear, the slot 43 of the Figure 6 has the shape of a "V".
  • connection between the antenna 40 and the transmission line 23 is assigned at two excitation points 44 and 45 at opposite sides of the point of the "V" of the radiating slot 43.
  • the adaptation of the antenna 40 to the impedance of the transmission line 23 could also be done using a capacitor connected between one of the excitation points and a wire of the transmission line 23.
  • Such a form of slot makes it possible to position the excitation points 44 and 45 in the direction of the depth of the wristwatch 1 so that they are opposite the microreceptor 6.
  • the length of the transmission line which connects the antenna 40 to the microreceptor 6 can be minimized.
EP96114676A 1995-09-26 1996-09-13 Uhr mit einer Antenne Expired - Lifetime EP0766152B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9511270A FR2739200B1 (fr) 1995-09-26 1995-09-26 Piece d'horlogerie comportant une antenne
FR9511270 1995-09-26

Publications (2)

Publication Number Publication Date
EP0766152A1 true EP0766152A1 (de) 1997-04-02
EP0766152B1 EP0766152B1 (de) 1999-06-23

Family

ID=9482920

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96114676A Expired - Lifetime EP0766152B1 (de) 1995-09-26 1996-09-13 Uhr mit einer Antenne

Country Status (7)

Country Link
US (1) US5699319A (de)
EP (1) EP0766152B1 (de)
JP (1) JPH09127267A (de)
CN (1) CN1091892C (de)
DE (1) DE69602999T2 (de)
FR (1) FR2739200B1 (de)
HK (1) HK1012735A1 (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997043798A1 (en) * 1996-05-14 1997-11-20 Casio Computer Co., Ltd. Antenna, method of manufacturing antenna, and electronic apparatus equipped with antenna
EP0869576A1 (de) * 1997-04-04 1998-10-07 EM Microelectronic-Marin SA Tragbare Vorrichtung, insbesondere Uhr, bestehend aus einer Antenne und einem mit dieser verbundenen auswechselbaren elektronischen Modul und ein derartiges elektronisches Modul
EP0974878A1 (de) * 1998-07-20 2000-01-26 Asulab S.A. Antenne und Positionsdetektor auf einem Substrat Kombinierende Untereinheit, insbesondere für Uhrwerke
US6130647A (en) * 1998-04-28 2000-10-10 Asulab S.A. Slot antenna in particular for a timepiece
WO2001082005A1 (fr) * 2000-04-20 2001-11-01 Trigger Co., Ltd. Boitier haute frequence pour montre-bracelet
US6724690B1 (en) 2001-07-25 2004-04-20 Mitsubishi Materials Corporation Wrist watch containing tag
EP1420477A1 (de) * 2002-11-13 2004-05-19 Mitsubishi Materials Corporation Armbanduhr mit einem RFID-Etikett

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FR2748360B1 (fr) * 1996-05-03 1998-06-26 Ebauchesfabrik Eta Ag Dispositif de reception et/ou d'emission de messages radio-diffuses portatif comportant une antenne inductive et capacitive
CH690525A5 (fr) * 1996-11-22 2000-09-29 Ebauchesfabrik Eta Ag Pièce d'horlogerie comportant une antenne de réception et/ou de transmission d'un signal radio-diffusé.
FI104662B (fi) * 1997-04-11 2000-04-14 Nokia Mobile Phones Ltd Antennijärjestely pienikokoisiin radioviestintä-laitteisiin
JP2000299199A (ja) * 1999-04-13 2000-10-24 Plasma System Corp プラズマ発生装置およびプラズマ処理装置
GB9917678D0 (en) * 1999-07-29 1999-09-29 Koninkl Philips Electronics Nv Body-worn personal communications apparatus
DE69906973T2 (de) * 1999-10-11 2004-02-26 Asulab S.A. Antennenstruktur die ein Gehäuse bildet für elektronische Komponente eines tragbaren Gerätes
US6642895B2 (en) 2000-03-15 2003-11-04 Asulab S.A. Multifrequency antenna for instrument with small volume
US6593897B1 (en) 2000-06-30 2003-07-15 Sirf Technology, Inc. Wireless GPS apparatus with integral antenna device
EP1274150A1 (de) * 2001-07-05 2003-01-08 Eta SA Fabriques d'Ebauches Armbanduhr mit Antenne
CN100503891C (zh) 2001-09-19 2009-06-24 西铁城控股株式会社 软质金属及其制造方法以及表的外装部件及其制造方法
JP2003318622A (ja) * 2002-02-25 2003-11-07 Tdk Corp アンテナ装置およびそれを用いた電子装置
US6897822B2 (en) * 2002-06-03 2005-05-24 The Johns Hopkins University Spiral resonator-slot antenna
DE60217660T2 (de) * 2002-07-02 2007-11-22 CSEM Centre Suisse d`Electronique et de Microtechnique S.A. - Recherche et Développement Uhrwerk mit Antenne
ATE399375T1 (de) * 2002-10-28 2008-07-15 Eta Sa Mft Horlogere Suisse Tragbare elektronische vorrichtung mit einer elektrischen verbindung in dem vorrichtungsgehäuse
EP1513220B1 (de) * 2003-09-03 2018-10-31 The Swatch Group Research and Development Ltd Patch-Antenne integriert in einer Armbanduhr
US7271774B2 (en) * 2005-10-21 2007-09-18 Suunto Oy Electronic wearable device
FI124133B (fi) * 2005-10-21 2014-03-31 Suunto Oy Elektroninen puettava laite
US20070236404A1 (en) * 2006-04-05 2007-10-11 Snider Chris R Integrated GPS antenna ground plane and telematics module
US7215600B1 (en) * 2006-09-12 2007-05-08 Timex Group B.V. Antenna arrangement for an electronic device and an electronic device including same
JP4839257B2 (ja) * 2007-04-11 2011-12-21 株式会社日立製作所 Ｒｆｉｄタグ
CN101821955B (zh) * 2007-10-09 2014-02-12 高通股份有限公司 包括结合了天线辐射元件的外壳的设备
ATE544195T1 (de) * 2008-10-17 2012-02-15 Eta Sa Mft Horlogere Suisse Am handgelenk tragbare vorrichtung mit einer antenne
JP5493527B2 (ja) * 2009-07-14 2014-05-14 セイコーエプソン株式会社 無線機能付き時計
KR101622606B1 (ko) * 2009-07-15 2016-05-20 엘지전자 주식회사 와치형 휴대 단말기
US9203489B2 (en) 2010-05-05 2015-12-01 Google Technology Holdings LLC Method and precoder information feedback in multi-antenna wireless communication systems
CN101938541A (zh) * 2010-09-17 2011-01-05 鸿富锦精密工业（深圳）有限公司 具有无线通讯功能的腕戴式电子装置
JP5712814B2 (ja) * 2010-11-12 2015-05-07 セイコーエプソン株式会社 アンテナ内蔵式電子時計
CN102495543B (zh) * 2011-11-25 2013-08-21 成都天奥电子股份有限公司 一种表盘与天线共形的手表
US8698680B2 (en) * 2012-01-17 2014-04-15 Garmin Switzerland Gmbh Watch with improved ground plane
ITTV20120130A1 (it) * 2012-07-13 2014-01-14 I M Spa "cassa di dispositivo da polso di interconnessione e comunicazione multimediale che integra un'antenna"
US9785124B2 (en) * 2012-09-24 2017-10-10 Seiko Epson Corporation Electronic timepiece with internal antenna
US9813262B2 (en) 2012-12-03 2017-11-07 Google Technology Holdings LLC Method and apparatus for selectively transmitting data using spatial diversity
US9591508B2 (en) 2012-12-20 2017-03-07 Google Technology Holdings LLC Methods and apparatus for transmitting data between different peer-to-peer communication groups
US9979531B2 (en) 2013-01-03 2018-05-22 Google Technology Holdings LLC Method and apparatus for tuning a communication device for multi band operation
US9172148B2 (en) * 2013-02-08 2015-10-27 Garmin Switzerland Gmbh Watch with bezel antenna configuration
US10229697B2 (en) 2013-03-12 2019-03-12 Google Technology Holdings LLC Apparatus and method for beamforming to obtain voice and noise signals
US9386542B2 (en) 2013-09-19 2016-07-05 Google Technology Holdings, LLC Method and apparatus for estimating transmit power of a wireless device
US9549290B2 (en) 2013-12-19 2017-01-17 Google Technology Holdings LLC Method and apparatus for determining direction information for a wireless device
US9491007B2 (en) 2014-04-28 2016-11-08 Google Technology Holdings LLC Apparatus and method for antenna matching
US9478847B2 (en) 2014-06-02 2016-10-25 Google Technology Holdings LLC Antenna system and method of assembly for a wearable electronic device
US9786981B2 (en) 2014-07-15 2017-10-10 Microsoft Technology Licensing, Llc Antenna for electronic device
US10164322B2 (en) * 2014-08-27 2018-12-25 Apple Inc. Signal transmission system for electronic devices
TWI582553B (zh) * 2014-09-30 2017-05-11 巨擘科技股份有限公司 實體指針式腕錶結構及將通訊功能附加於腕錶的方法
JP6707808B2 (ja) * 2015-03-24 2020-06-10 セイコーエプソン株式会社 アンテナ、電子機器及び腕時計
US10615489B2 (en) * 2016-06-08 2020-04-07 Futurewei Technologies, Inc. Wearable article apparatus and method with multiple antennas
US9705549B1 (en) * 2016-06-27 2017-07-11 Intel Corporation Antenna for wearable electronic devices
TWI629832B (zh) * 2016-06-30 2018-07-11 和碩聯合科技股份有限公司 穿戴型電子裝置
US20180083342A1 (en) * 2016-09-19 2018-03-22 Tyco Electronics Corporation Wireless communication device having a slot antenna
JP6819240B2 (ja) * 2016-11-24 2021-01-27 セイコーエプソン株式会社 電子時計
US10075206B1 (en) 2017-03-13 2018-09-11 Intel Corporation Customizable wearable electronic devices and methods of assembling the same
US10276925B2 (en) * 2017-03-29 2019-04-30 Garmin Switzerland Gmbh Watch with slot antenna configuration
US11271291B2 (en) * 2017-10-30 2022-03-08 Garmin Switzerland Gmbh Watch with integrated antenna configuration
US20190302703A1 (en) * 2018-03-30 2019-10-03 New York Standard Watch Company, LLC Timepiece with Enhanced Antenna Arrangement
US10971805B2 (en) * 2018-06-12 2021-04-06 Garmin Switzerland Gmbh Wrist-worn electronic device with housing-based loop antenna

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997043798A1 (en) * 1996-05-14 1997-11-20 Casio Computer Co., Ltd. Antenna, method of manufacturing antenna, and electronic apparatus equipped with antenna
US5963181A (en) * 1996-05-14 1999-10-05 Casio Computer Co., Ltd. Antenna, method of manufacturing antenna, and electronic apparatus equipped with antenna
EP0869576A1 (de) * 1997-04-04 1998-10-07 EM Microelectronic-Marin SA Tragbare Vorrichtung, insbesondere Uhr, bestehend aus einer Antenne und einem mit dieser verbundenen auswechselbaren elektronischen Modul und ein derartiges elektronisches Modul
US6130647A (en) * 1998-04-28 2000-10-10 Asulab S.A. Slot antenna in particular for a timepiece
EP0974878A1 (de) * 1998-07-20 2000-01-26 Asulab S.A. Antenne und Positionsdetektor auf einem Substrat Kombinierende Untereinheit, insbesondere für Uhrwerke
US6356512B1 (en) 1998-07-20 2002-03-12 Asulab S.A. Subassembly combining an antenna and position sensors on a same support, notably for a horological piece
WO2001082005A1 (fr) * 2000-04-20 2001-11-01 Trigger Co., Ltd. Boitier haute frequence pour montre-bracelet
US6724690B1 (en) 2001-07-25 2004-04-20 Mitsubishi Materials Corporation Wrist watch containing tag
EP1420477A1 (de) * 2002-11-13 2004-05-19 Mitsubishi Materials Corporation Armbanduhr mit einem RFID-Etikett

Also Published As

Publication number Publication date
HK1012735A1 (en) 1999-08-06
EP0766152B1 (de) 1999-06-23
US5699319A (en) 1997-12-16
DE69602999T2 (de) 2000-01-13
FR2739200A1 (fr) 1997-03-28
DE69602999D1 (de) 1999-07-29
CN1154499A (zh) 1997-07-16
FR2739200B1 (fr) 1997-10-31
CN1091892C (zh) 2002-10-02
JPH09127267A (ja) 1997-05-16

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