EP0339482B1 - Mit einer Antenne versehene Uhr - Google Patents

Mit einer Antenne versehene Uhr Download PDF

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Publication number
EP0339482B1
EP0339482B1 EP89107096A EP89107096A EP0339482B1 EP 0339482 B1 EP0339482 B1 EP 0339482B1 EP 89107096 A EP89107096 A EP 89107096A EP 89107096 A EP89107096 A EP 89107096A EP 0339482 B1 EP0339482 B1 EP 0339482B1
Authority
EP
European Patent Office
Prior art keywords
antenna
case
timepiece
back cover
messages
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.)
Expired - Lifetime
Application number
EP89107096A
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English (en)
French (fr)
Other versions
EP0339482B2 (de
EP0339482A1 (de
Inventor
Viron Teodoridis
Bernard Joss
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 Manufacture Horlogere Suisse SA
Original Assignee
ETA Manufacture Horlogere Suisse SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4213352&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0339482(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ETA Manufacture Horlogere Suisse SA filed Critical ETA Manufacture Horlogere Suisse SA
Priority to AT89107096T priority Critical patent/ATE64792T1/de
Priority to DE8916177U priority patent/DE8916177U1/de
Publication of EP0339482A1 publication Critical patent/EP0339482A1/de
Publication of EP0339482B1 publication Critical patent/EP0339482B1/de
Application granted granted Critical
Publication of EP0339482B2 publication Critical patent/EP0339482B2/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
    • G04G99/00—Subject matter not provided for in other groups of this subclass
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/02—Installations within mirrors, pictures, furniture or other household articles
    • G04B47/025—Installations within mirrors, pictures, furniture or other household articles in musical instruments or loudspeakers

Definitions

  • the present invention relates to a timepiece capable of being worn on a part of the body having the shape of a cylinder such as the arm or the trunk of this body, said part comprising an antenna capable of picking up an electromagnetic field.
  • Timepieces have already been presented on numerous occasions equipped with an antenna and a micro-receiver for picking up radio signals. If this timepiece is in the form of a wristwatch, the antenna is generally placed in the bracelet as is the case of the embodiments described, for example, in documents FR-A-1 207 640 , EP-A-0 100 639, EP-A-0 125 930, EP-A-0 184 606 and WO-A-86/03645.
  • placing the antenna in the strap of a watch poses connection problems between the input of the receiver located in the watch case and the antenna forming part of the strap which is a mobile element, generally articulated on the case. by means of bars.
  • the passage of the antenna conductor therefore poses construction problems which lead to solutions which are never simple.
  • the document FR-A-2505105 (US-A-4 419 770) describes a wrist AM radio receiver comprising a PLL synthesizer as a local oscillator.
  • This receiver fitted with an electronic watch, is equipped with a rod-shaped antenna mounted in the watch case, this case being rounded to follow the curve of the wrist.
  • the figures accompanying the document clearly show that the bar is directed across the width of the bracelet, which means that the antenna is sensitive to the component of the magnetic field located longitudinally of the cylinder formed by the wrist.
  • this situation is unfavorable, as will appear in the description of the invention which follows.
  • the antenna is arranged and directed to receive either the H4 component the magnetic field H located tangentially to the cylinder formed by the body part on which the watch is worn, or the component E r of the electrical field E radially to said cylinder, or else said components H. and E r combined with each other.
  • a capacitive antenna is in the form of two electrodes separated by a dielectric and an inductive antenna in the form of a coil.
  • dielectric is meant here an insulating medium separating the two electrodes, this medium also being able to be air.
  • the polarization of the incident electric field is assumed to be perpendicular to the electrodes of the capacitive antenna while the polarization of the incident magnetic field is assumed to be parallel to the axis of the coil of the inductive antenna.
  • the present invention relates to a timepiece capable of being worn on a part of the human body, it is very important to know the influence of this body on the configuration of the electromagnetic field.
  • the level and the direction of the electromagnetic field are strongly modified in the vicinity of the body, this being mainly due to the fact that the dielectric properties of the human body are very different from those of air.
  • the model is a cylinder 1 having a height of 180 cm and a diameter of 25 cm.
  • the matter of this body is simulated by a solution of glycol ethandiol, distilled water and sodium chloride, so that the dielectric properties of this solution correspond to those of the body.
  • the main object of the present invention immediately results from the manner of incorporating an antenna into a timepiece intended to be worn on a part of the body, whether it is the trunk or the body. forearm of this body, namely that the antenna must be arranged and directed to pick up either the magnetic component H ⁇ of the electromagnetic field located tangentially to the cylinder presented by the body or a part of this body, or the electrical component E r of the same electromagnetic field located radially to said cylinder.
  • FIG. 2 shows on the forearm carrying a wristwatch 4 comprising a case 2 and a bracelet 3.
  • E r radial electrical component
  • H4 azimuthal or tangential magnetic component
  • FIG. 5 shows a human figurine carrying a pendant watch 5 comprising a box 2 attached to a chain 6. On this box also act the two predominant fields E r and H ⁇ .
  • the tangential magnetic field H penetrates into the housing by the edge thereof and that the antenna to be provided must consist of a coil having one or more turns, the axis of this coil being arranged parallel to the bottom of the housing.
  • FIG. 3 schematically shows how this inductive antenna is arranged in the case 2 of the watch.
  • the antenna 7, comprising here only a single turn, is connected to a microreceptor 8. It is important to note that in this case, the axis of the coil, in addition that it is arranged parallel to the bottom of the housing , must be arranged parallel to the longitudinal direction of the bracelet 3.
  • FIG. 5 shows that the axis of the inductive antenna, not shown, in addition to being placed parallel to the bottom of the case, must be placed perpendicular to the vertical of the wire to be lead.
  • FIGS. 6 and 7 This first embodiment of the invention which consists in capturing the tangential magnetic component of the electromagnetic field and which has been explained above in principle, is illustrated by a practical construction shown in FIGS. 6 and 7.
  • Figure 6 is a plan view of a wristwatch comprising a case 2 and a bracelet 3 and Figure 7 is a section along the line Vll-Vll of Figure 6.
  • This watch is subjected to the tangential magnetic component H + .
  • the watch includes an inductive antenna 7, formed here of five turns 11, each consisting of two sections 9 and 12 connected end to end by means of connections 13.
  • the first section 12 is a metal wire embedded in the bottom 14 of the housing 2 and the second section 9 is a metallization disposed under the glass 10.
  • These first and second sections are here connected end to end by means of a flexible connector 13 which may consist of a "zebra" connector (registered trademark) which carries several conductive pads.
  • zebra registered trademark
  • the areas 15 and 16 of the connector 13 are connected to the input of a microreceptor (not shown) which is arranged in the housing 2 in addition to all the organs necessary for displaying the time such as the movement 17, the dial 18 and the hands 19.
  • the system supply battery can be contained in a drawer made laterally in the case or in a hatch made in the bottom. In the latter case, the sections 12 will pass through the cover of the hatch and will be connected to the sections embedded in the bottom by means of connectors also.
  • connection which link the sections together could be welds instead of the proposed connectors.
  • the metallized section 9 could also be on the ice or embedded in it.
  • the section 12 could be only partially embedded in the bottom 14 or even be arranged on the surface of this bottom.
  • Figures 2 and 5 also show that the radial electric field E r enters the housing perpendicular to its glass or to its bottom and that in this case, the antenna to be provided for picking it up must consist of two substantially planar electrodes, separate by a dielectric and arranged parallel to the bottom of the housing.
  • FIG. 4 schematically shows how this capacitive antenna 50 is arranged in the case 2 of the watch.
  • the antenna here comprises two electrodes 20 and 21 which are connected to a microreceptor 8.
  • FIG. 5 shows that the electrodes (not shown) must also be arranged parallel to the crystal or to the bottom of the case.
  • FIGS. 8 and 9 This second embodiment of the invention which consists in capturing the radial electrical component of the electromagnetic field is illustrated by a practical construction shown in FIGS. 8 and 9.
  • FIG. 8 is a plan view of a wristwatch comprising a case 2 and a bracelet 3, and FIG. 9 is a section along the line IX-IX in FIG. 8.
  • This watch is subjected to the radial electrical component E r .
  • the watch includes a capacitive antenna made up of electrodes 20 and 21.
  • the first electrode is a peripheral metallization 20 of the crystal 10 and the second electrode is a metallic background 21 which can be entirely metallic or, as shown in Figure 9, a metal sheet affixed to a cover 32 of plastic.
  • the electrodes 20 and 21 are well disposed parallel to one another and arranged to pick up the radial electrical component E r of the electromagnetic field.
  • the electrodes are supported on a middle part 33 made of insulating material.
  • the electrodes 20 and 21 are connected to the input of a microreceptor (not shown) which is arranged in the housing 2 in addition to all the organs necessary for displaying the time such as the movement 17, the dial 18 and the needles 19.
  • a microreceptor (not shown) which is arranged in the housing 2 in addition to all the organs necessary for displaying the time such as the movement 17, the dial 18 and the needles 19.
  • the connections between the electrodes 20 and 21 and the input of the microreceptor could be made by spring supports as has been described, for example, in patent EP-B-0 041 245 (US-A- 4,523,856).
  • the invention is not limited to the particular embodiment described above, the essential point being that the electrode 20 must be located at a certain distance from the electrode 21 and have a certain surface relative to this electrode. 21.
  • the electrode 20 could have a surface substantially identical to the electrode 21 if it were located under the dial 18.
  • this electrode 20 could be the dial itself, surmounted by the needles and possibly pierced with '' a window that would reveal, for example, the message to be transmitted (a telephone number to call back, an appointment date, etc.).
  • the annular electrode 20 shown in FIG. 8 could be split or made in the form of a serpentine.
  • FIG. 10 shows a possible adaptation diagram of an inductive antenna 7 at the input of a microreceptor 8.
  • This receiver can be the one put on the market by the Philips company under the reference UAA 2033. If the inductive antenna includes five turns and is balanced, the adaptation to the input of the receiver will be done by means of the capacitors Ci and C 2 whose value is of the order of 4 pF for each. Other arrangements are also possible depending on whether the antenna and the input of the receiver are balanced or not.
  • the present invention is not limited to picking up one of these components to the exclusion of the other and that one could very well pick up the two components at the same time, one not going besides not without the other.
  • the timepiece would be equipped with a capacitive antenna and an inductive antenna produced according to the description which was given above. It will be understood that such an arrangement could prove to be advantageous as regards the amplitude of the signal collected. It will also be understood that if two antennas are placed in parallel, one may serve as a tuning circuit for the other, which will lead to a simplification of the input circuit of the microreceptor.

Claims (9)

1. Uhr, die auf einem Körperteil mit der Form eines Zylinders (1), wie dem Arm oder dem Rumpf des Körpers getragen werden kann, wobei die Uhr eine Antenne (7, 50), die ein elektromagnetisches Feld empfangen kann, das ein Magnetfeld H und ein elektrisches Feld E aufweist, wobei das elektromagnetische Feld Träger von Rundfunkmeldungen ist, und ein Gehäuse (2) aufweist, das wenigstens aus einem Sichtfenster (10) und einem Boden (14, 32) besteht, wobei das Gehäuse zusätzlich zu den für das Anzeigen derZeit erforderlichen Organen (17,18,19) einen Mikroempfänger (8) enthält, der die von der Antenne empfangenen Meldungen aufnimmt, um diese Meldungen in vom Träger der Uhr erkennbare Daten umzuwandeln, wobei die Antenne im vom Gehäuse umgrenzten Raum angeordnet ist, dadurch gekennzeichnet, daß die Antenne (7) von einer Spule gebildet wird, die wenigstens eine Windung (11) aufweist, wobei diese Spule angeordnet und ausgerichtet ist, um die Komponente H. des Magnetfeldes H zu empfangen, die tangential zum Zylinder angeordnet ist, wobei die Achse der Spule parallel zum Boden (14) des Gehäuses ausgerichtet ist
2. Uhr nach Anspruch 1, dadurch gekennzeichnet, daß sie eine Armbanduhr (4) ist, und daß die Achse der Spule im übrigen parallel zur Längsrichtung des Uhrbandes (3) angeordnet ist.
3. Uhr nach Anspruch 1, dadurch gekennzeichnet, daß sie eine Anhängeuhr (5) ist, und daß die Achse der Spule im übrigen senkrecht zum Lot ausgerichtet ist.
4. Uhr nach Anspruch 1, dadurch gekennzeichnet, daß die Windung mehrere Abschnitte (9, 12) aufweist, die mit Hilfe von Verbindungen (13) stumpf aneinanderstoßend verbunden sind.
5. Uhr nach Anspruch 4, dadurch gekennzeichnet, daß die Windung einen ersten Abschnitt (12), der im Boden (14) des Gehäuses versenkt ist, und einen zweiten Abschnitt(9) aufweist, derunterdas Sichtfenster (10) metallisiert ist, wobei der erste und der zweite Abschnitt durch weiche Verbinder (13), die zwischen dem Sichtfenster und dem Boden angeordnet sind, stumpf aneinanderstoßend verbunden sind.
6. Uhr, die auf einem Körperteil mit der Form eines Zylinders (1), wie dem Arm oder dem Rumpf des Körpers getragen werden kann, wobei die Uhr eine Antenne (7, 50), die ein elektromagnetisches Feld empfangen kann, das ein Magnetfeld H und ein elektrisches Feld E aufweist, wobei das elektromagnetische Feld Träger von Rundfunkmeldungen ist, und ein Gehäuse (2) aufweist, das wenigstens aus einem Sichtfenster (10) und einem Boden (14, 32) besteht, wobei das Gehäuse zusätzlich zu den für das Anzeigen derZeiterforderlichen Organen (17,18,19) einen Mikroempfänger (8) enthält, der die von der Antenne empfangenen Meldungen aufnimmt, um diese Meldungen in vom Träger der Uhr erkennbare Daten umzuwandeln, wobei die Antenne im vom Gehäuse umgrenzten Raum angeordnet ist, dadurch gekennzeichnet, daß die Antenne (50) von einer ersten (20) und einer zweiten (21) Elektrode gebildet ist, die im wesentlichen eben und parallel zueinander angeordnet sind und die durch ein Dielektrikum getrennt sind, wobei diese Elektroden angeordnet und ausgerichtet sind, um die Komponente Er des elektrischen Feldes E, die zum Zylinder radial angeordnet ist, zu empfangen, wobei die Ebenen dieser Elektroden parallel zum Boden (32) des Gehäuses angeordnet sind.
7. Uhr nach Anspruch 6, dadurch gekennzeichnet, daß sie eine Armbanduhr (4) oder eine Anhängeuhr (5) ist, und daß sie eine unter das Sichtfenster aufgebrachte Metallisierung, welche die erste Elektrode (20) bildet, und einen metallischen Boden aufweist, der die zweite Elektrode (21) bildet, wobei der Boden und das Sichtfenster an einem Mittelteil (33) anliegen, der aus Isoliermaterial hergestellt ist.
8. Uhr, die auf einem Körperteil mit der Form eines Zylinders (1), wie dem Arm oder dem Rumpf des Körpers getragen werden kann, wobei die Uhr eine Antenne (7, 50), die ein elektromagnetisches Feld empfangen kann, das ein Magnetfeld H und ein elektrisches Feld E aufweist, wobei das elektromagnetische Feld Träger von Rundfunkmeldungen ist, und ein Gehäuse (2) aufweist, das wenigstens aus einem Sichtfenster (10) und einem Boden (14, 32) besteht, wobei das Gehäuse zusätzlich zu den für das Anzeigen derZeit erforderlichen Organen (17,18,19) einen Mikroempfänger (8) enthält, der die von der Antenne empfangenen Meldungen aufnimmt, um diese Meldungen in vom Träger der Uhr erkennbare Daten umzuwandeln, wobei die Antenne im vom Gehäuse umgrenzten Raum angeordnet ist, dadurch gekennzeichnet, daß die Antenne von der Kombination einer Spule, die wenigstens eine Windung (11) aufweist, wobei die Spule angeordnet und ausgerichtet ist, um die Komponente H4 des Magnetfeldes H, das tangential zum Zylinder ausgerichtet ist, zu empfangen, wobei die Achse der Spule parallel zum Boden (14) des Gehäuses ausgerichtet ist, und von einer ersten (20) und einer zweiten (21) Elektrode gebildet ist, die im wesentlichen eben und parallel zueinander angeordnet sind und die durch ein Dielektrikum getrennt sind, wobei diese Elektroden angeordnet und ausgerichtet sind, um die Komponente Er des elektrischen Feldes E, das radial zum Zylinder angeordnet ist, zu empfangen, wobei die Ebenen dieser Elektroden parallel zum Boden (32) des Gehäuses angeordnet sind.
9. Uhr nach Anspruch 8, dadurch gekennzeichnet, daß die Spule und die erste und die zweite Elektrode parallel geschaltet sind.
EP89107096A 1988-04-26 1989-04-20 Mit einer Antenne versehene Uhr Expired - Lifetime EP0339482B2 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT89107096T ATE64792T1 (de) 1988-04-26 1989-04-20 Mit einer antenne versehene uhr.
DE8916177U DE8916177U1 (de) 1988-04-26 1989-04-20 Zeitmeßgerät mit Antenne

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1563/88 1988-04-26
CH1563/88A CH672870B5 (de) 1988-04-26 1988-04-26

Publications (3)

Publication Number Publication Date
EP0339482A1 EP0339482A1 (de) 1989-11-02
EP0339482B1 true EP0339482B1 (de) 1991-06-26
EP0339482B2 EP0339482B2 (de) 1998-11-11

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ID=4213352

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89107096A Expired - Lifetime EP0339482B2 (de) 1988-04-26 1989-04-20 Mit einer Antenne versehene Uhr

Country Status (20)

Country Link
US (1) US4884252A (de)
EP (1) EP0339482B2 (de)
JP (1) JP2673577B2 (de)
KR (1) KR970003701B1 (de)
CN (1) CN1017563B (de)
AR (1) AR242860A1 (de)
AU (1) AU613851B2 (de)
BR (1) BR8901942A (de)
CA (1) CA1313707C (de)
CH (1) CH672870B5 (de)
DE (1) DE68900128D1 (de)
DK (1) DK173624B1 (de)
ES (1) ES2024701T5 (de)
FI (1) FI98664C (de)
GR (2) GR3002781T3 (de)
HK (1) HK74495A (de)
IE (1) IE63129B1 (de)
IL (1) IL90053A (de)
NO (1) NO174757C (de)
ZA (1) ZA892760B (de)

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DK176289A (da) 1989-10-27
KR970003701B1 (ko) 1997-03-21
DK176289D0 (da) 1989-04-12
ZA892760B (en) 1989-12-27
AR242860A1 (es) 1993-05-31
NO174757B (no) 1994-03-21
NO891664L (no) 1989-10-27
CA1313707C (en) 1993-02-16
JPH0222593A (ja) 1990-01-25
DK173624B1 (da) 2001-05-07
US4884252A (en) 1989-11-28
FI891983A0 (fi) 1989-04-26
IE63129B1 (en) 1995-03-22
ES2024701T5 (es) 1999-04-01
NO174757C (no) 1994-06-29
GR3029372T3 (en) 1999-05-28
FI98664C (fi) 1997-07-25
KR900016831A (ko) 1990-11-14
HK74495A (en) 1995-05-19
IL90053A (en) 1992-08-18
CN1017563B (zh) 1992-07-22
AU3331589A (en) 1989-11-02
BR8901942A (pt) 1989-11-28
NO891664D0 (no) 1989-04-21
EP0339482B2 (de) 1998-11-11
DE68900128D1 (de) 1991-08-01
IE891111L (en) 1989-10-26
CH672870GA3 (de) 1990-01-15
CN1037407A (zh) 1989-11-22
ES2024701B3 (es) 1992-03-01
CH672870B5 (de) 1990-07-13
FI98664B (fi) 1997-04-15
IL90053A0 (en) 1989-12-15
AU613851B2 (en) 1991-08-08
GR3002781T3 (en) 1993-01-25
EP0339482A1 (de) 1989-11-02
JP2673577B2 (ja) 1997-11-05
FI891983A (fi) 1989-10-27

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