EP0460526A1 - Wrist-watch provided with means for receiving radio messages - Google Patents

Wrist-watch provided with means for receiving radio messages Download PDF

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Publication number
EP0460526A1
EP0460526A1 EP91108796A EP91108796A EP0460526A1 EP 0460526 A1 EP0460526 A1 EP 0460526A1 EP 91108796 A EP91108796 A EP 91108796A EP 91108796 A EP91108796 A EP 91108796A EP 0460526 A1 EP0460526 A1 EP 0460526A1
Authority
EP
European Patent Office
Prior art keywords
movement
module
receiving
messages
antenna
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
EP91108796A
Other languages
German (de)
French (fr)
Other versions
EP0460526B1 (en
Inventor
Paratte Daniel
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
Ebauchesfabrik ETA AG
Original Assignee
ETA Manufacture Horlogere Suisse SA
Ebauchesfabrik ETA 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 ETA Manufacture Horlogere Suisse SA, Ebauchesfabrik ETA AG filed Critical ETA Manufacture Horlogere Suisse SA
Publication of EP0460526A1 publication Critical patent/EP0460526A1/en
Application granted granted Critical
Publication of EP0460526B1 publication Critical patent/EP0460526B1/en
Anticipated expiration legal-status Critical
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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
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0082—Visual time or date indication means by building-up characters using a combination of indicating elements and by selecting desired characters out of a number of characters or by selecting indicating elements the positions of which represents the time, i.e. combinations of G04G9/02 and G04G9/08
    • 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
    • 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

Definitions

  • the present invention relates to a wristwatch intended to receive radio messages.
  • a timepiece comprising an antenna capable of picking up an electromagnetic field carrying radio messages has already been described in document EP-A-0 339 482 (US-A-4 884 252) by the same applicant.
  • the antenna entirely confined in the space delimited by the case, consists of a coil comprising at least one turn, the axis of this coil being disposed parallel to the longitudinal direction of the bracelet . This way of obtaining a comfortable signal at the input of the microreceptor with which the watch is equipped.
  • This document also indicates a practical construction to implement the general concept stated, construction which proved to be too simplified during the development work undertaken on the watch in question, so that it was necessary to 'improve said construction.
  • Figure 1 is a summary view of the wristwatch according to the invention. It includes analog time display means with an hour hand 1 and a minute hand 2, these hands rotating on a dial 3.
  • the middle part 4 of the watch as well as the strands 5 and 6 of a bracelet attached to it.
  • a window 7 pierced in the dial 3 appears a display cell 8 of the broadcast messages which is in digital form and which can consist, for example, of a telephone number to call back.
  • the watch is completed by a crown 9 for setting the time of the time display, by a first button 10 enabling the radio part of the watch to be switched on or off and by a second button 11 to prevent the activation of the buzzer mounted in the watch.
  • Figure 1 shows the receiving antenna of the watch which is in the form of four wires 23 constituting the coil of the antenna whose axis is arranged parallel to the longitudinal direction of the bracelet. This direction is preferred to others, for it is it which supplies the terminals of the coil with the signal having the greatest amplitude, as was recalled above in connection with document EP-A-0 339 482.
  • FIGS 2 to 5 are sections made in the watch of Figure 1 which explain its organization in detail.
  • the watch of the invention comprises three important basic elements, namely a movement 12, a middle part 4 and a back 44.
  • FIGS 2 and 3 show details of the movement of the watch.
  • the movement 12 has a plate 13 which serves as a support for various elements which will be reviewed now.
  • This mechanism can be driven itself and in a known manner by a stepping motor (not shown).
  • the invention is not limited to an analog time display, this display can also be digital.
  • the time display means are controlled by a first energy source 15 consisting of a battery disposed in a housing of the plate 13.
  • FIG. 2 shows that the plate also carries a display cell 16 intended to make appear broadcast messages.
  • the time display hands pivot above a dial 3, itself provided with a window 7 revealing the indications displayed by the cell 16.
  • the dial 3 rests on the plate 13.
  • the time display hands 1 and 2 as well as the display cell 16 are covered by a first glass 21 which rests on the periphery of the dial 3.
  • This glass carries transverse grooves 22 intended to receive the wires 23 of the antenna as we will see below.
  • the movement 12 also includes electronic circuits for controlling the displays mentioned above.
  • these electronic circuits comprise two distinct modules, that is to say a first module 17 and a second module 18.
  • the first module 17, called radio frequency (RF) module receives the signal received by the antenna which will be described below, amplifies this signal and demodulates it.
  • the second module 18, called the digital module receives the signal from the first module to control the display cell 16 via a zebra connector 60, for example.
  • a zebra connector 60 for example.
  • the digital module 18 still carries the electronic elements necessary to excite the stepping motor driving the mechanism 14, in particular a quartz, a frequency divider and a driver. These various elements are symbolized by rectangles bearing the references 19 and 20.
  • FIG. 2 finally shows a cover 24 secured under the plate 13 and this according to a construction which appears in Figure 3.
  • This cover pursues a double purpose, that of first serving as housing 27 for a second source of energy or battery 25 (FIG. 5) and finally that of serving as a guide for the wires 23 of the antenna.
  • FIG. 2 shows that the underside of the cover 24 is also provided with grooves 26 in which the wires 23 of the antenna rest.
  • the battery 15 intended to supply the time display mechanism is electrically connected to the digital module 18 by connections 28 and 29.
  • the battery 25, intended to supply the RF and digital modules is connected to the RF module by connections 30 and 31.
  • FIG. 3 is a section through movement 12 of the wristwatch, the section planes being chosen so that the manner of fixing the various elements presented in FIG. 2 is made apparent.
  • FIG. 3 shows the plate 13, the digital module 18, the RF module 17 and the cover 24.
  • the digital module 18 is fixed to the plate 13 by means of screws 32, only one of which is shown in the drawing.
  • the RF module 17 is mounted on the digital module by means of a threaded rod 33 driven into the plate 13 and a nut 34, a spacer 35 being disposed between the two modules to maintain a determined spacing.
  • the cover 24 is then placed, which is fixed to the plate 13, on the one hand by the rod 33 and a nut 36 and on the other hand by two other rod 37 each receiving a nut 38, a spacer 39 being disposed between the modules 17 and 18, only one of the rods 37 being shown in the drawing.
  • We have finished mounting the movement 12 by placing on its upper part, the dial 3, the hands 1 and 2 and the first crystal 21.
  • the spacers 35 and 39 can serve as electrical conductors between the two modules if these spacers are metallic.
  • the compact movement 12 also carries a buzzer which will be described with reference to FIG. 5.
  • the first energy source or battery 15 which has been shown in FIG. 2 is assembled. This battery feeds only the part displaying the time and therefore has a long service life (2 to 3 years). To replace it, it will however be necessary to remove the movement 12 from the middle part and from the base in which it is mounted.
  • FIG. 4 shows that the movement 12, of which only a few essential elements have been reproduced here, is subject to a middle part 4 surmounted by a second crystal 41.
  • the movement is fixed to the middle part by means of two screws. attachment 42 of which only one is shown in the drawing.
  • the crystal 41 rests on a peripheral groove 43 formed in the middle part where it can be secured by ultrasound, which ensures a tight connection between the two elements in question.
  • FIG. 5 shows the watch completely assembled.
  • the bottom 44 is fixed to the middle part 4 by means of six screws 45, only one of which has been shown in the drawing. Each screw is screwed into a threaded insert 46 and forced into the middle part.
  • FIG. 5 also shows that an opening 47 is made laterally in the bottom 44, opening giving access to the second energy source or battery 25 to allow its replacement.
  • the battery 25 can be easily replaced by the wearer of the shows, because the lifespan of such a battery supplying all radiofrequency and digital circuits, which consumes a lot of energy, is relatively short, that is to say three to four months, given the relatively modest dimensions of this battery 25.
  • This battery does not can not be exchanged by a hatch located under the bottom because of the turns 23 forming the antenna, the only possibility of access is that of a lateral opening located perpendicular to an axis parallel to the longitudinal direction of the bracelet.
  • FIG. 5 shows that this stack is housed in a drawer 48 sliding in the cover 24, the sealing of the drawer being provided by a seal 49 housed in a groove 50 and bearing against the bottom 44.
  • the drawer can be attached by its outer portion 51 to one of the two strands that the bracelet comprises, which facilitates the extraction of the battery. 25.
  • fixing means for example by retractable pins (not shown), are used to secure the drawer 47 with the bottom 44.
  • FIG. 5 shows that the watch is made watertight by a seal 52 disposed between the middle part 4 and the base 44 and housed in a groove 53 formed in the bottom.
  • the section plane in the right part of FIG. 5 has been chosen to allow the representation of an audible frequency transducer which consists of a membrane 54 on which a piezoelectric transducer 55 is stuck.
  • channels and reference 56 and 57 are used in the plate and in the middle.
  • the transducer 55 (buzzer) alerts the wearer of the watch that a message has arrived.

Abstract

The wrist watch intended to receive radio messages includes the assembly of a movement, of a middle part (4) and of a back (44). The movement comprises a plate (13) receiving: means (1, 2) of displaying the time, a first battery for operating the said means, a cell (16) for displaying messages, a first glass (21), electronic circuits (18), a case (24) for receiving a second battery (25) and an aerial formed of a coil containing turns (23) coiled around the movement and bearing on the first glass and on the case. The middle part includes a second glass (41) and tops off the upper part of the movement. The back covers the lower part of the movement and is provided with a lateral opening (47) giving access to the second battery in order to enable it to be changed. <IMAGE>

Description

La présente invention est relative à une montre-bracelet destinée à recevoir des messages radiodiffusés.The present invention relates to a wristwatch intended to receive radio messages.

Une pièce d'horlogerie comportant une antenne apte à capter un champ électromagnétique porteur de messages radiodiffusés a déjà été décrite dans le document EP-A-0 339 482 (US-A-4 884 252) du même demandeur. Dans un des modes d'exécution présenté, l'antenne, entièrement confinée dans l'espace délimité par le boîtier, est constituée par une bobine comportant au moins une spire, l'axe de cette bobine étant disposé parallèlement à la direction longitudinale du bracelet. Cette manière de faire permet d'obtenir un signal confortable à l'entrée du microrécepteur dont la montre est équipée. Ce document indique aussi une construction pratique pour mettre en oeuvre le concept général énoncé, construction qui s'est avérée par trop simplifiée au fur et à mesure des travaux de développement entrepris sur la montre en question, de sorte qu'il a été nécessaire d'améliorer ladite construction. Dans ces améliorations, on a mis l'accent sur des critères amenant à un meilleur fonctionnement de l'ensemble comme, par exemple, la surface circonscrite par les spires de la bobine qui doit être la plus grande possible, l'étanchéité générale de la montre et l'accès aux différentes sources d'énergie, particulièrement à la pile alimentant la partie radio-électrique qui doit être échangée fréquemment.A timepiece comprising an antenna capable of picking up an electromagnetic field carrying radio messages has already been described in document EP-A-0 339 482 (US-A-4 884 252) by the same applicant. In one of the embodiments presented, the antenna, entirely confined in the space delimited by the case, consists of a coil comprising at least one turn, the axis of this coil being disposed parallel to the longitudinal direction of the bracelet . This way of obtaining a comfortable signal at the input of the microreceptor with which the watch is equipped. This document also indicates a practical construction to implement the general concept stated, construction which proved to be too simplified during the development work undertaken on the watch in question, so that it was necessary to 'improve said construction. In these improvements, emphasis has been placed on criteria leading to a better functioning of the assembly such as, for example, the surface circumscribed by the turns of the coil which must be as large as possible, the general tightness of the shows and access to different energy sources, particularly the battery supplying the radio part which must be exchanged frequently.

C'est la raison pour laquelle la montre de la présente invention comporte en combinaison l'assemblage des éléments suivants :

  • un mouvement comprenant une platine sur laquelle sont montés des moyens d'affichage de l'heure, une première source d'énergie pour commander lesdits moyens, une cellule d'affichage des messages radiodiffusés, une première glace recouvrant lesdits affichages, des circuits électroniques pour commander lesdits affichages, un capot pour recevoir une seconde source d'énergie destinée à alimenter les circuits électroniques commandant ladite cellule d'affichage des messages radiodiffusés et une antenne pour capter lesdits messages, ladite antenne étant formée d'une bobine comportant une pluralité de spires bobinées autour du mouvement et s'appuyant au moins sur la première glace et sur le capot,
  • une carrure sur laquelle est assujettie une seconde glace et dans laquelle prend place la partie supérieure dudit mouvement, et
  • un fond fixé à la carrure et recouvrant la partie inférieure du mouvement, le fond étant muni d'une ouverture latérale donnant accès à la seconde source d'énergie pour permettre son changement.
This is the reason why the watch of the present invention comprises in combination the assembly of the following elements:
  • a movement comprising a plate on which are mounted time display means, a first power source for controlling said means, a cell for displaying radio messages, a first glass covering said displays, electronic circuits for controlling said displays, a cover for receiving a second power source intended to supply the electronic circuits controlling said display cell for broadcast messages and an antenna for receiving said messages, said antenna being formed from a coil comprising a plurality of turns wound around the movement and supported at least on the first glass and on the hood,
  • a middle part on which a second crystal is secured and in which the upper part of said movement takes place, and
  • a back fixed to the middle and covering the lower part of the movement, the back being provided with a lateral opening giving access to the second source of energy to allow its change.

L'invention va être expliquée maintenant dans le détail en se référant à titre d'exemple au dessin qui illustre un mode d'exécution préféré, dessin dans lequel :

  • la figure 1 est une vue de dessus de la montre selon l'invention,
  • les figures 2 et 3 sont des coupes opérées dans la figure 1 montrant les éléments constituant le mouvement proprement dit de la montre,
  • la figure 4 est une coupe opérée dans la figure 1 montrant comment le mouvement est fixé à la carrure de la montre, et
  • la figure 5 est une coupe opérée dans la figure 1, et montrant l'ensemble de la montre selon l'invention après l'assujettissement d'un fond.
The invention will now be explained in detail with reference by way of example to the drawing which illustrates a preferred embodiment, a drawing in which:
  • FIG. 1 is a top view of the watch according to the invention,
  • FIGS. 2 and 3 are sections made in FIG. 1 showing the elements constituting the actual movement of the watch,
  • FIG. 4 is a section made in FIG. 1 showing how the movement is fixed to the middle of the watch, and
  • Figure 5 is a section made in Figure 1, and showing the assembly of the watch according to the invention after the securing of a bottom.

La figure 1 est une vue sommaire de la montre-bracelet selon l'invention. Elle comporte des moyens d'affichage analogique de l'heure avec une aiguille d'heure 1 et une aiguille de minute 2, ces aiguilles tournant sur un cadran 3. On voit sur la figure 1, la carrure 4 de la montre ainsi que les brins 5 et 6 d'un bracelet qui lui est attaché. Dans un guichet 7 percé dans le cadran 3 apparaît une cellule d'affichage 8 des messages radiodiffusés qui se présente sous forme numérique et qui peut consister par exemple en un numéro de téléphone à rappeler. La montre est complétée par une couronne 9 de mise à l'heure de l'affichage de l'heure, par un premier poussoir 10 permettant l'enclenchement ou le déclenchement de la partie radio de la montre et par un second poussoir 11 pour empêcher la mise en marche de l'avertisseur sonore (buzzer) monté dans la montre. La figure 1 fait apparaître l'antenne réceptrice de la montre qui se présente sous la forme de quatre fils 23 constituant la bobine de l'antenne dont l'axe est disposé parallèlement à la direction longitudinale du bracelet. Cette direction est préférée à d'autres, car c'est elle qui fournit aux bornes de la bobine le signal présentant la plus grande amplitude, comme cela a été rappelé plus haut à propos du document EP-A-0 339 482.Figure 1 is a summary view of the wristwatch according to the invention. It includes analog time display means with an hour hand 1 and a minute hand 2, these hands rotating on a dial 3. In FIG. 1, the middle part 4 of the watch as well as the strands 5 and 6 of a bracelet attached to it. In a window 7 pierced in the dial 3 appears a display cell 8 of the broadcast messages which is in digital form and which can consist, for example, of a telephone number to call back. The watch is completed by a crown 9 for setting the time of the time display, by a first button 10 enabling the radio part of the watch to be switched on or off and by a second button 11 to prevent the activation of the buzzer mounted in the watch. Figure 1 shows the receiving antenna of the watch which is in the form of four wires 23 constituting the coil of the antenna whose axis is arranged parallel to the longitudinal direction of the bracelet. This direction is preferred to others, for it is it which supplies the terminals of the coil with the signal having the greatest amplitude, as was recalled above in connection with document EP-A-0 339 482.

Les figures 2 à 5 sont des coupes opérées dans la montre de la figure 1 qui expliquent son organisation dans le détail. En règle générale, la montre de l'invention comporte trois éléments de base importants, soit un mouvement 12, une carrure 4 et un fond 44.Figures 2 to 5 are sections made in the watch of Figure 1 which explain its organization in detail. In general, the watch of the invention comprises three important basic elements, namely a movement 12, a middle part 4 and a back 44.

Les figures 2 et 3 présentent des détails sur le mouvement de la montre.Figures 2 and 3 show details of the movement of the watch.

En se référant plus particulièrement à la figure 2, le mouvement 12 présente une platine 13 qui sert de support à divers éléments qui vont être passés en revue maintenant. A la platine 13 on trouve assujettis d'abord des moyens d'affichage de l'heure qui consistent, dans la figure prise en exemple, en un mécanisme 14 entraînant des aiguilles d'heures 1 et de minutes 2. Ce mécanisme peut être entraîné lui-même et de façon connue par un moteur pas à pas (non représenté). L'invention n'est pas limitée à un affichage analogique de l'heure, cet affichage pouvant être aussi numérique. Les moyens d'affichage de l'heure sont commandés par une première source d'énergie 15 consistant en une pile disposée dans un logement de la platine 13. La figure 2 montre que la platine porte aussi une cellule d'affichage 16 destinée à faire apparaître les messages radiodiffusés. Les aiguilles d'affichage de l'heure pivotent au-dessus d'un cadran 3, lui-même pourvu d'un guichet 7 laissant voir les indications affichées par la cellule 16. Le cadran 3 repose sur la platine 13.Referring more particularly to Figure 2, the movement 12 has a plate 13 which serves as a support for various elements which will be reviewed now. On the plate 13, first of all, there are means for displaying the time which, in the example taken, consist of a mechanism 14 driving the hour hands 1 and minutes 2. This mechanism can be driven itself and in a known manner by a stepping motor (not shown). The invention is not limited to an analog time display, this display can also be digital. The time display means are controlled by a first energy source 15 consisting of a battery disposed in a housing of the plate 13. FIG. 2 shows that the plate also carries a display cell 16 intended to make appear broadcast messages. The time display hands pivot above a dial 3, itself provided with a window 7 revealing the indications displayed by the cell 16. The dial 3 rests on the plate 13.

Les aiguilles d'affichage de l'heure 1 et 2 ainsi que la cellule d'affichage 16 sont recouvertes par une première glace 21 qui repose sur la périphérie du cadran 3. Cette glace porte des rainures transversales 22 destinées à recevoir les fils 23 de l'antenne comme on le verra plus bas.The time display hands 1 and 2 as well as the display cell 16 are covered by a first glass 21 which rests on the periphery of the dial 3. This glass carries transverse grooves 22 intended to receive the wires 23 of the antenna as we will see below.

Egalement assujetti à la platine 13, le mouvement 12 comporte encore des circuits électroniques pour commander les affichages mentionnés ci-dessus. Dans le cas de la figure 2, ces circuits électroniques comprennent deux modules distincts, soit un premier module 17 et un second module 18. Le premier module 17, dit module radio-fréquence (RF), reçoit le signal capté par l'antenne qui sera décrite plus loin, amplifie ce signal et le démodule. Le second module 18, dit module numérique, reçoit le signal du premier module pour commander la cellule d'affichage 16 par l'intermédiaire d'un connecteur zébra 60, par exemple. On peut trouver sur ce second module 18, selon les fonctions dont on voudra équiper la montre, un décodeur, un microprocesseur et encore une mémoire RAM. Dans l'exemple, le module numérique 18 porte encore les éléments électroniques nécessaires pour exciter le moteur pas à pas entraînant le mécanisme 14, notamment un quartz, un diviseur de fréquence et un driver. Ces divers éléments sont symbolisés par des rectangles portant les références 19 et 20.Also subject to the plate 13, the movement 12 also includes electronic circuits for controlling the displays mentioned above. In the case of FIG. 2, these electronic circuits comprise two distinct modules, that is to say a first module 17 and a second module 18. The first module 17, called radio frequency (RF) module, receives the signal received by the antenna which will be described below, amplifies this signal and demodulates it. The second module 18, called the digital module, receives the signal from the first module to control the display cell 16 via a zebra connector 60, for example. We can find on this second module 18, according to the functions with which we want to equip the watch, a decoder, a microprocessor and also a RAM memory. In the example, the digital module 18 still carries the electronic elements necessary to excite the stepping motor driving the mechanism 14, in particular a quartz, a frequency divider and a driver. These various elements are symbolized by rectangles bearing the references 19 and 20.

La figure 2 montre enfin un capot 24 assujetti sous la platine 13 et cela selon une construction qui apparaît à la figure 3. Ce capot poursuit un double but, celui d'abord de servir de logement 27 à une seconde source d'énergie ou pile 25 (figure 5) et celui enfin de servir de guide aux fils 23 de l'antenne. A ce dernier effet, la figure 2 montre que le dessous du capot 24 est également pourvu de rainures 26 dans lesquelles reposent les fils 23 de l'antenne.Figure 2 finally shows a cover 24 secured under the plate 13 and this according to a construction which appears in Figure 3. This cover pursues a double purpose, that of first serving as housing 27 for a second source of energy or battery 25 (FIG. 5) and finally that of serving as a guide for the wires 23 of the antenna. To this latter effect, FIG. 2 shows that the underside of the cover 24 is also provided with grooves 26 in which the wires 23 of the antenna rest.

La pile 15 destinée à alimenter le mécanisme d'affichage de l'heure est reliée électriquement au module numérique 18 par des connexions 28 et 29. La pile 25, destinée à alimenter les modules RF et numérique est reliée au module RF par des connexions 30 et 31.The battery 15 intended to supply the time display mechanism is electrically connected to the digital module 18 by connections 28 and 29. The battery 25, intended to supply the RF and digital modules is connected to the RF module by connections 30 and 31.

La figure 3 est une coupe dans le mouvement 12 de la montre-bracelet, les plans de coupe étant choisis de telle façon que soit rendue apparente la manière de fixer entre eux les divers éléments présentés en figure 2. On reconnaît dans la figure 3 la platine 13, le module numérique 18, le module RF 17 et le capot 24. Le module numérique 18 est fixé à la platine 13 au moyen de vis 32, dont une seule est représentée au dessin. Une fois le module numérique 18 monté sur la platine, on monte le module RF 17 sur le module numérique au moyen d'une tige filetée 33 chassée dans la platine 13 et d'un écrou 34, une entretoise 35 étant disposée entre les deux modules pour maintenir un écartement déterminé. On pose ensuite le capot 24 qui est fixé à la platine 13, d'une part par la tige 33 et un écrou 36 et d'autre part par deux autres tige 37 recevant chacune un écrou 38, une entretoise 39 étant disposée entre les modules 17 et 18, une seule des tiges 37 étant représentée au dessin. On finit le montage du mouvement 12 en posant sur sa partie supérieure, le cadran 3, les aiguilles 1 et 2 et la première glace 21. On dispose alors d'un mouvement formant un tout compact autour duquel on peut alors bobiner le fil d'antenne 23, fil qui est reçu dans les rainures 26 et 22 pratiquées respectivement sur la partie inférieure du capot 24 et sur la partie supérieure de la première glace 21. La figure 3, qui ne montre que la rainure 26, fait apparaître une des extrémités du fil d'antenne 23 soudée au module RF 17 par une goutte de soudure 40. On notera ici que les entretoises 35 et 39 peuvent servir de conducteurs électriques entre les deux modules si ces entretoises sont métalliques.FIG. 3 is a section through movement 12 of the wristwatch, the section planes being chosen so that the manner of fixing the various elements presented in FIG. 2 is made apparent. FIG. 3 shows the plate 13, the digital module 18, the RF module 17 and the cover 24. The digital module 18 is fixed to the plate 13 by means of screws 32, only one of which is shown in the drawing. Once the digital module 18 is mounted on the plate, the RF module 17 is mounted on the digital module by means of a threaded rod 33 driven into the plate 13 and a nut 34, a spacer 35 being disposed between the two modules to maintain a determined spacing. The cover 24 is then placed, which is fixed to the plate 13, on the one hand by the rod 33 and a nut 36 and on the other hand by two other rod 37 each receiving a nut 38, a spacer 39 being disposed between the modules 17 and 18, only one of the rods 37 being shown in the drawing. We have finished mounting the movement 12 by placing on its upper part, the dial 3, the hands 1 and 2 and the first crystal 21. We then have a movement forming a compact whole around which we can then wind the antenna wire 23 , wire which is received in the grooves 26 and 22 made respectively on the lower part of the cover 24 and on the upper part of the first glass 21. FIG. 3, which only shows the groove 26, shows one of the ends of the wire antenna 23 welded to the RF module 17 by a drop of solder 40. It will be noted here that the spacers 35 and 39 can serve as electrical conductors between the two modules if these spacers are metallic.

Le mouvement compact 12 porte encore un buzzer qui sera décrit à propos de la figure 5. Une fois ce mouvement entièrement assemblé, on procède au montage de la première source d'énergie ou pile 15 qui a été représenté sur la figure 2. Cette pile n'alimente que la partie affichant l'heure et possède donc une longue durée de vie (2 à 3 ans). Pour la remplacer, il sera cependant nécessaire de sortir le mouvement 12 de la carrure et du fond dans lequel il est monté.The compact movement 12 also carries a buzzer which will be described with reference to FIG. 5. Once this movement is fully assembled, the first energy source or battery 15 which has been shown in FIG. 2 is assembled. This battery feeds only the part displaying the time and therefore has a long service life (2 to 3 years). To replace it, it will however be necessary to remove the movement 12 from the middle part and from the base in which it is mounted.

La figure 4 montre que le mouvement 12, dont on n'a reproduit ici que quelques éléments essentiels, est assujetti à une carrure 4 surmontée d'une seconde glace 41. La fixation du mouvement à la carrure est réalisée au moyen de deux vis de fixation 42 dont une seule est représentée au dessin. La glace 41 repose sur une rainure périphérique 43 pratiquée dans la carrure où elle peut être solidarisée par ultrason, ce qui assure une liaison étanche entre les deux éléments en question.FIG. 4 shows that the movement 12, of which only a few essential elements have been reproduced here, is subject to a middle part 4 surmounted by a second crystal 41. The movement is fixed to the middle part by means of two screws. attachment 42 of which only one is shown in the drawing. The crystal 41 rests on a peripheral groove 43 formed in the middle part where it can be secured by ultrasound, which ensures a tight connection between the two elements in question.

Une fois le mouvement 12 fixé à la carrure 4, il ne reste plus, pour terminer l'assemblage de la montre, que de lui assujettir un fond 44. La figure 5 présente la montre complètement assemblée. Dans la montre prise en exemple, le fond 44 est fixé à la carrure 4 au moyen de six vis 45 dont une seule a été représentée au dessin. Chaque vis est vissée dans un insert taraudé 46 et forcé dans la carrure 4. La figure 5 montre également qu'une ouverture 47 est pratiquée latéralement dans le fond 44, ouverture donnant accès à la seconde source d'énergie ou pile 25 pour permettre son remplacement. Dans le cas de la montre de l'invention, il est important que la pile 25 puisse être facilement remplacée par le porteur de la montre, car la durée de vie d'une telle pile alimentant tous les circuits radiofréquence et numérique, gros consommateur d'énergie, est relativement courte, soit trois à quatre mois, compte tenu des dimensions relativement modestes de cette pile 25. Cette pile ne pouvant pas être échangée par une trappe située sous le fond à cause des spires 23 formant l'antenne, la seule possibilité d'accès est celle d'une ouverture latérale située perpendiculairement à un axe parallèle à la direction longitudinale du bracelet.Once the movement 12 is fixed to the middle part 4, it only remains, to complete the assembly of the watch, that to subject a case 44 to it. FIG. 5 shows the watch completely assembled. In the example watch, the bottom 44 is fixed to the middle part 4 by means of six screws 45, only one of which has been shown in the drawing. Each screw is screwed into a threaded insert 46 and forced into the middle part. FIG. 5 also shows that an opening 47 is made laterally in the bottom 44, opening giving access to the second energy source or battery 25 to allow its replacement. In the case of the watch of the invention, it is important that the battery 25 can be easily replaced by the wearer of the shows, because the lifespan of such a battery supplying all radiofrequency and digital circuits, which consumes a lot of energy, is relatively short, that is to say three to four months, given the relatively modest dimensions of this battery 25. This battery does not can not be exchanged by a hatch located under the bottom because of the turns 23 forming the antenna, the only possibility of access is that of a lateral opening located perpendicular to an axis parallel to the longitudinal direction of the bracelet.

Pour faciliter l'extraction de la pile 25, la figure 5 montre que cette pile est logée dans un tiroir 48 coulissant dans le capot 24, l'étanchéité du tiroir étant assurée par un joint 49 logé dans une gorge 50 et prenant appui contre le fond 44. Dans l'exécution préférée de l'invention présentée au dessin, on voit que le tiroir peut être attaché par sa portion extérieure 51 à l'un des deux brins que comporte le bracelet, ce qui facilite l'extraction de la pile 25. Dans ce cas, cependant, des moyens de fixation, par exemple par tétons escamotables (non représentés), sont mis en oeuvre pour solidariser le tiroir 47 avec le fond 44.To facilitate the extraction of the stack 25, FIG. 5 shows that this stack is housed in a drawer 48 sliding in the cover 24, the sealing of the drawer being provided by a seal 49 housed in a groove 50 and bearing against the bottom 44. In the preferred embodiment of the invention presented in the drawing, it can be seen that the drawer can be attached by its outer portion 51 to one of the two strands that the bracelet comprises, which facilitates the extraction of the battery. 25. In this case, however, fixing means, for example by retractable pins (not shown), are used to secure the drawer 47 with the bottom 44.

L'examen de la figure 5 montre encore que la montre est rendue étanche par un joint d'étanchéité 52 disposé entre la carrure 4 et le fond 44 et logé dans une rainure 53 pratiquée dans le fond. Le plan de coupe de la partie droite de la figure 5 a été choisi pour permettre la représentation d'un transducteur à fréquence audible qui se compose d'une membrane 54 sur laquelle est collé un transducteur piézoélectrique 55. Pour permettre aux ondes sonores leur propagation à l'extérieur de la boîte, on pratique dans la platine et dans la carrure des canaux référencés respectivement 56 et 57. Le transducteur 55 (buzzer) avertit le porteur de la montre qu'un message est arrivé.The examination of FIG. 5 also shows that the watch is made watertight by a seal 52 disposed between the middle part 4 and the base 44 and housed in a groove 53 formed in the bottom. The section plane in the right part of FIG. 5 has been chosen to allow the representation of an audible frequency transducer which consists of a membrane 54 on which a piezoelectric transducer 55 is stuck. To allow the sound waves to propagate outside the case, channels and reference 56 and 57 are used in the plate and in the middle. The transducer 55 (buzzer) alerts the wearer of the watch that a message has arrived.

Claims (9)

Montre-bracelet destinée à recevoir des messages radiodiffusés comportant en combinaison l'assemblage des éléments suivants : - un mouvement (12) comprenant une platine (13) sur laquelle sont montés des moyens d'affichage de l'heure (1, 2), une première source d'énergie (15) pour commander lesdits moyens, une cellule d'affichage (16) des messages radiodiffusés, une première glace (21) recouvrant lesdits affichages, des circuits électroniques (17, 18) pour commander lesdits affichages, un capot (24) pour recevoir une seconde source d'énergie (25) destinée à alimenter les circuits électroniques commandant ladite cellule d'affichage des messages radiodiffusés et une antenne pour capter lesdits messages, ladite antenne étant formée d'une bobine comportant une pluralité de spires (23) bobinées autour du mouvement et s'appuyant au moins sur la première glace et sur le capot, - une carrure (4) sur laquelle est assujettie une seconde glace (41) et dans laquelle prend place la partie supérieure dudit mouvement, et - un fond (44) fixé à la carrure et recouvrant la partie inférieure du mouvement, le fond étant muni d'une ouverture latérale (47) donnant accès à la seconde source d'énergie pour permettre son changement. Wristwatch intended to receive radio messages comprising in combination the assembly of the following elements: - a movement (12) comprising a plate (13) on which are mounted time display means (1, 2), a first power source (15) for controlling said means, a display cell (16) radio messages, a first window (21) covering said displays, electronic circuits (17, 18) for controlling said displays, a cover (24) for receiving a second source of energy (25) intended to supply the electronic circuits controlling said cell for displaying broadcast messages and an antenna for receiving said messages, said antenna being formed from a coil comprising a plurality of turns (23) wound around the movement and resting at least on the first glass and on the hood, - a middle part (4) on which a second crystal (41) is subject and in which the upper part of said movement takes place, and - A bottom (44) fixed to the middle and covering the lower part of the movement, the bottom being provided with a lateral opening (47) giving access to the second source of energy to allow its change. Montre-bracelet selon la revendication 1, caractérisée par le fait que la première glace (21) et le capot (24) portent des rainures (22, 26) dans lesquelles reposent les spires (23) de la bobine.Wristwatch according to claim 1, characterized in that the first crystal (21) and the cover (24) carry grooves (22, 26) in which the turns (23) of the coil rest. Montre-bracelet selon la revendication 1, caractérisée par le fait que la bobine présente un axe disposé parallèlement à la direction longitudinale du bracelet.Wrist watch according to claim 1, characterized in that the coil has an axis arranged parallel to the longitudinal direction of the bracelet. Montre-bracelet selon la revendication 1, caractérisée par le fait que la seconde source d'énergie (25) est logée dans un tiroir (48) coulissant dans le capot.Wrist watch according to claim 1, characterized in that the second energy source (25) is housed in a drawer (48) sliding in the cover. Montre-bracelet selon la revendication 4, caractérisée par le fait que le tiroir (48) est attaché à l'un (6) des deux brins que comporte le bracelet et que la bobine présente un axe disposé parallèlement à la direction longitudinale du bracelet.Wrist watch according to claim 4, characterized in that the drawer (48) is attached to one (6) of the two strands that the bracelet comprises and that the coil has an axis arranged parallel to the longitudinal direction of the bracelet. Montre-bracelet selon la revendication 1, caractérisée par le fait que les circuits électroniques commandant ladite cellule d'affichage (16) comportent un premier module radio-fréquence (17) recevant le signal capté par l'antenne et un second module numérique (18) recevant le signal dudit premier module pour commander ladite cellule d'affichage, lesdits premier et second modules étant fixés à la platine.Wristwatch according to claim 1, characterized in that the electronic circuits controlling said display cell (16) comprise a first radio-frequency module (17) receiving the signal picked up by the antenna and a second digital module (18 ) receiving the signal from said first module to control said display cell, said first and second modules being fixed to the plate. Montre-bracelet selon la revendication 6, caractérisée par le fait que le second module (18) porte en outre des moyens pour commander lesdits moyens d'affichage de l'heure (1, 2, 14).Wrist watch according to claim 6, characterized in that the second module (18) further carries means for controlling said time display means (1, 2, 14). Montre-bracelet selon la revendication 1, caractérisée par le fait que lesdits moyens d'affichage de l'heure comportent des aiguilles (1, 2) se déplaçant sur un cadran (3), lesdites aiguilles étant mues par un mécanisme (14) équipé d'un moteur pas à pas.Wristwatch according to claim 1, characterized in that said time display means comprise hands (1, 2) moving on a dial (3), said hands being moved by a mechanism (14) equipped of a stepper motor. Montre-bracelet selon la revendication 1, caractérisée par le fait que le mouvement comporte en outre un transducteur sonore (55) avertissant le porteur de la montre qu'un message est arrivé.Wristwatch according to claim 1, characterized in that the movement further comprises an audible transducer (55) warning the wearer of the watch that a message has arrived.
EP91108796A 1990-06-07 1991-05-29 Wrist-watch provided with means for receiving radio messages Expired - Lifetime EP0460526B1 (en)

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CH1909/90A CH679356B5 (en) 1990-06-07 1990-06-07

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JP (1) JP3066612B2 (en)
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AR (1) AR246624A1 (en)
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EP0741434A1 (en) * 1995-05-05 1996-11-06 Eta SA Fabriques d'Ebauches Antenna structure for use in a timepiece
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US5268880A (en) * 1992-05-14 1993-12-07 Eta Sa Fabriques D'ebauches Control arrangement for a timepiece adapted to receive radio broadcast messages
CH682969GA3 (en) * 1992-05-14 1993-12-31 Ebauchesfabrik Eta Ag Timepiece capable of receiving broadcast messages.
EP0569868A1 (en) * 1992-05-14 1993-11-18 Eta SA Fabriques d'Ebauches Control device for a timepiece suitable to receive radio messages
US5285426A (en) * 1992-08-03 1994-02-08 Eta Sa Fabriques D'ebauches Rollerball control arrangement for a timepiece adapted to receive radio broadcast messages
US5329501A (en) * 1992-10-08 1994-07-12 Eta Sa Fabriques D'ebauches Timepiece adapted to receive radio broadcast messages to be displayed by its hands
WO1994015316A3 (en) * 1992-12-18 1994-08-18 Skidata Gmbh Data-recording medium
WO1994015316A2 (en) * 1992-12-18 1994-07-07 Skidata Computer Gesellschaft M.B.H. Data-recording medium
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EP0741434A1 (en) * 1995-05-05 1996-11-06 Eta SA Fabriques d'Ebauches Antenna structure for use in a timepiece
EP0741433A1 (en) * 1995-05-05 1996-11-06 Eta SA Fabriques d'Ebauches Antenna structure for use in a timepiece
WO1999047985A1 (en) * 1998-03-16 1999-09-23 Rolf Kindermann Device for displaying information
EP2477084A1 (en) * 2011-01-18 2012-07-18 ETA SA Manufacture Horlogère Suisse Watch including an elastomeric connector for electrical connection between a digital display device and a printed circuit board and method for assembling such a watch
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ZA913780B (en) 1992-02-26
IL98118A (en) 1994-01-25
DE69105356D1 (en) 1995-01-12
NO912172D0 (en) 1991-06-06
HK1007206A1 (en) 1999-04-01
GR3015147T3 (en) 1995-05-31
CH679356B5 (en) 1992-08-14
DE69105356T2 (en) 1995-06-01
FI100682B (en) 1998-01-30
NO912172L (en) 1991-12-09
ATE114834T1 (en) 1994-12-15
NO179156C (en) 1996-08-14
CA2044054A1 (en) 1991-12-08
FI912713A0 (en) 1991-06-05
DK0460526T3 (en) 1995-05-08
IE911643A1 (en) 1991-12-18
CH679356GA3 (en) 1992-02-14
JPH04249792A (en) 1992-09-04
KR920001282A (en) 1992-01-30
EP0460526B1 (en) 1994-11-30
ES2067799T3 (en) 1995-04-01
CN1057117A (en) 1991-12-18
AU7821091A (en) 1991-12-12
IL98118A0 (en) 1992-06-21
NO179156B (en) 1996-05-06
AR246624A1 (en) 1994-08-31
US5172348A (en) 1992-12-15
FI912713A (en) 1991-12-08
KR0153534B1 (en) 1998-12-15
AU641877B2 (en) 1993-09-30
BR9102317A (en) 1992-01-14
JP3066612B2 (en) 2000-07-17
CN1033343C (en) 1996-11-20

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