EP0452254B1 - Operating device in the back cover of a watch case - Google Patents

Operating device in the back cover of a watch case Download PDF

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Publication number
EP0452254B1
EP0452254B1 EP19910810157 EP91810157A EP0452254B1 EP 0452254 B1 EP0452254 B1 EP 0452254B1 EP 19910810157 EP19910810157 EP 19910810157 EP 91810157 A EP91810157 A EP 91810157A EP 0452254 B1 EP0452254 B1 EP 0452254B1
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EP
European Patent Office
Prior art keywords
wristwatch
back cover
case
movement
watch
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
EP19910810157
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German (de)
French (fr)
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EP0452254A1 (en
Inventor
Anton Brisa
Abraham Zaslawsky
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.)
Fabrique dEbauches de Sonceboz SA
Original Assignee
Fabrique dEbauches de Sonceboz SA
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Filing date
Publication date
Application filed by Fabrique dEbauches de Sonceboz SA filed Critical Fabrique dEbauches de Sonceboz SA
Publication of EP0452254A1 publication Critical patent/EP0452254A1/en
Application granted granted Critical
Publication of EP0452254B1 publication Critical patent/EP0452254B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/08—Mechanical devices for setting the time indicating means by using parts of the case
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/001—Electromechanical switches for setting or display

Definitions

  • the control of the various functions of a wristwatch is generally done by one or more control members arranged on the periphery of the case, in particular by the winding crown and / or various push-buttons.
  • the bottom control device proposes to overcome these drawbacks by providing a wristwatch whose function control can only be actuated using any tip, for example a tip. pen or the tip of a rod specially provided for this purpose, which means that no other action, for example excessive tightening around the wrist, or hydraulic pressure, can inadvertently control the function (s) of the watch.
  • the bottom control device for the functions of a wristwatch includes the features mentioned in the claims.
  • FIG. 1 represents a portion of a wristwatch seen in section comprising a first embodiment of a bottom control device and Figure 2 shows a view of a movement controllable from the bottom of the housing.
  • FIG. 1 there is a watch case 1, in which the movement 2 is fixed in a completely conventional manner; in the case shown here, only a small space remains between the bottom 20 of the movement 2 and the bottom 10 of the housing 1.
  • This housing 1, here made of synthetic material, is made in one piece, including the bottom 10.
  • This bottom 10 is constructed so as to be rigid enough not to deform, except for the central part of said bottom comprising in particular a cavity 11, of hemispherical shape and which is deformable, respectively liable to sink, under the action of a point Any one.
  • the central part 13 of the bottom 10 located directly opposite the cavity 11 comes to press on an elastic part in raising 22 of a metal piece 21 of movement 2, the function of which will be seen main further.
  • the elastic raising part 22 comes into contact with a track contact 23 of an electronic circuit thus controlling the desired function, generally the time reset function . Since the contact between the elastic raising part 22 and the track contact 23 cannot be accidentally controlled, but only under the action of the tip 12 acting on the cavity 11, it is not necessary to provide a separate release of the function command.
  • the tip 12 can be a pen tip or other common accessory, or else be the tip of an ad-hoc rod provided for this purpose and accommodated in the event of non-use in a bore provided in the thickness of the housing from which it is easy to remove for use.
  • the movement 2 shown in FIG. 2 on the side of the bottom of the case comprises in particular a magnetic screen 21 comprising a raised elastic extension 22; it is this raised elastic part 22 which, when pressed, establishes contact with the track contact 23 connected to an electronic control circuit 24.
  • a magnetic screen 21 comprising a raised elastic extension 22; it is this raised elastic part 22 which, when pressed, establishes contact with the track contact 23 connected to an electronic control circuit 24.
  • the track contact 23 will be located in the center of the caliber, as will the end portion of the elastic enhancement 22, so that when the movement 2 is inserted into the case, these two elements are automatically housed opposite of the central part of the bottom of the case where the deformable part of the bottom of the case is located.
  • the device for controlling functions from the bottom of a watch case according to the invention satisfies the requirements set, that is to say an aesthetic improvement of the watch by eliminating the winding crown and / or any push-buttons. located around the perimeter of the housing; moreover, by the design of the proposed system, no untimely control can be actuated, either by tightening the case too tightly against the wrist or by the action of hydraulic pressure when the user dives with his watch; the design of the proposed system is advantageous insofar as the movement does not require any additional part, but a simple adaptation of existing elements; finally, the control device according to the invention adapts both to plastic boxes and to metal boxes.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)

Description

La commande des différentes fonctions d'une montre-bracelet se fait généralement par un ou plusieurs organes de commande disposés sur le pourtour du boîtier, notamment par la couronne de remontage et/ou différents boutons-poussoirs.The control of the various functions of a wristwatch is generally done by one or more control members arranged on the periphery of the case, in particular by the winding crown and / or various push-buttons.

Pour des raisons esthétiques, il peut être intéressant de loger ces commandes en un endroit invisible lorsque la montre-bracelet est portée, cet endroit invisible étant le fond du boîtier. D'autre part, lorsque ladite montre-bracelet est construite de manière étanche, la présence de la couronne de remontage et/ou de boutons-poussoirs traversant le boîtier sont des points faibles concernant l'étanchéité de la montre et nécessitent généralement des solutions compliquées et coûteuses afin que l'étanchéité de ces passages soit assurée.For aesthetic reasons, it may be advantageous to house these controls in an invisible place when the wristwatch is worn, this invisible place being the bottom of the case. On the other hand, when said wristwatch is constructed in a waterproof manner, the presence of the winding crown and / or of pushbuttons passing through the case are weak points concerning the water resistance of the watch and generally require complicated solutions. and expensive so that the sealing of these passages is ensured.

Des systèmes de commande de fonctions par le fond du boîtier ont déjà été développés; en particulier les demandes de brevet FR-A-2.530.045 et FR-A-2.582.821 mentionnent des montres-bracelets dont la mise à l'heure est commandée par une pression sur le fond déformable d'un boîtier en matière plastique. Dans ces cas, toute ou une portion importante de la surface du fond étant déformable, la commande peut être actionnée intempestivement si la montre-bracelet est trop serrée contre le poignet ou par la pression hydraulique lorsque la montre en question est plongée dans l'eau. D'autre part, afin de pouvoir transmettre la commande depuis le fond en matière plastique, vers l'électronique du mouvement, des contacts spéciaux sont prévus sur le fond du mouvement, ce qui renchérit le coût de la montre. Il en est de même dans le document SU-A-501.388 qui décrit un dispositif de contact actionnable par une pointe, mais où ledit dispositif forme un assemblage spécial qui est ajouté au fond de boîtier. Le brevet FR-A-1.025.563, la demande EP-A-224.030 ainsi que le Patent Abstract of Japan concernant le brevet JP-A-57-3070 mentionnent aussi des dispositifs actionnables par le fond du boîtier mais nécessitant des contacts supplémentaires à inclure au mouvement.Function control systems from the bottom of the housing have already been developed; in particular patent applications FR-A-2,530,045 and FR-A-2,582,821 mention wristwatches whose time setting is controlled by pressure on the deformable bottom of a plastic case. In these cases, all or a significant portion of the bottom surface being deformable, the control can be actuated accidentally if the wristwatch is too tight against the wrist or by hydraulic pressure when the watch in question is immersed in water . On the other hand, in order to be able to transmit the command from the plastic base, to the movement electronics, special contacts are provided on the movement bottom, which increases the cost of the watch. The same is true in document SU-A-501.388 which describes a contact device which can be actuated by a tip, but where said device forms a special assembly which is added to the bottom of the housing. The patent FR-A-1,025,563, the application EP-A-224,030 as well as the Patent Abstract of Japan concerning the patent JP-A-57-3070 also mention devices actuable by the bottom of the housing but requiring additional contacts to include in the movement.

Le dispositif de commande par le fond selon l'invention se propose de pallier à ces inconvénients en fournissant une montre-bracelet dont la commande des fonctions ne peut être actionnée qu'à l'aide d'une pointe quelconque, par exemple une pointe de stylo ou alors la pointe d'une tige spécialement prévue à cet effet, ce qui fait qu'aucune action autre, par exemple un trop fort serrage autour du poignet, ou alors la pression hydraulique, ne peut commander intempestivement la ou les fonctions de la montre.The bottom control device according to the invention proposes to overcome these drawbacks by providing a wristwatch whose function control can only be actuated using any tip, for example a tip. pen or the tip of a rod specially provided for this purpose, which means that no other action, for example excessive tightening around the wrist, or hydraulic pressure, can inadvertently control the function (s) of the watch.

D'autre part, afin de diminuer le coût de production d'une telle montre, la transmission de la commande entre le fond et le circuit électronique doit se faire sans qu'il soit nécessaire de prévoir une ou plusieurs pièces supplémentaires à cet effet.On the other hand, in order to reduce the production cost of such a watch, the transmission of the command between the back and the electronic circuit must be done without it being necessary to provide one or more additional parts for this purpose.

De plus, il peut être intéressant de ne pas seulement limiter l'emploi d'un dispositif de commande par le fond aux boîtiers en matière plastique, mais aussi de pouvoir prévoir de tels dispositifs sur des boîtiers métalliques.In addition, it may be advantageous not only to limit the use of a bottom control device to plastic housings, but also to be able to provide such devices on metal housings.

Afin de remplir ces exigences, le dispositif de commande par le fond des fonctions d'une montre-bracelet comporte les caractéristiques mentionnées dans les revendications.In order to fulfill these requirements, the bottom control device for the functions of a wristwatch includes the features mentioned in the claims.

Le détail et le fonctionnement du dispositif sont expliqués à partir du dessin en annexe avec les figures où:
   la figure 1 représente une portion de montre-bracelet vue en coupe comprenant une première forme d'exécution d'un dispositif de commande par le fond et
   la figure 2 représente une vue d'un mouvement commandable par le fond du boîtier.The details and operation of the device are explained from the attached drawing with the figures where:
FIG. 1 represents a portion of a wristwatch seen in section comprising a first embodiment of a bottom control device and
Figure 2 shows a view of a movement controllable from the bottom of the housing.

Sur la figure 1, on a un boîtier de montre 1, dans lequel le mouvement 2 est fixé de manière tout à fait conventionnelle; dans le cas représenté ici, seul un faible espace subsiste entre le fond 20 du mouvement 2 et le fond 10 du boîtier 1. Ce boîtier 1, ici en matière synthétique, est fait en une seule pièce, incluant le fond 10. Ce fond 10 est construit afin d'être assez rigide pour ne pas se déformer, sauf la partie centrale dudit fond comprenant en particulier une cavité 11, de forme hémisphérique et qui est déformable, respectivement susceptible de s'enfoncer, sous l'action d'une pointe 12 quelconque. Lors de son mouvement de déformation, la partie centrale 13 du fond 10, située directement à l'opposé de la cavité 11, vient appuyer sur une partie élastique en rehaussement 22 d'une pièce métallique 21 du mouvement 2, dont on verra la fonction principale plus loin. Par la poursuite du mouvement d'enfoncement de la partie centrale 13, la partie élastique en rehaussement 22 vient en contact avec un contact de piste 23 d'un circuit électronique commandant ainsi la fonction désirée, soit généralement la fonction de remise à l'heure. Vu que le contact entre la partie élastique en rehaussement 22 et le contact de piste 23 ne peut être commandé intempestivement, mais seulement sous l'action de la pointe 12 agissant sur la cavité 11, il n'est pas nécessaire de prévoir un déblocage séparé de la commande de la fonction.In FIG. 1, there is a watch case 1, in which the movement 2 is fixed in a completely conventional manner; in the case shown here, only a small space remains between the bottom 20 of the movement 2 and the bottom 10 of the housing 1. This housing 1, here made of synthetic material, is made in one piece, including the bottom 10. This bottom 10 is constructed so as to be rigid enough not to deform, except for the central part of said bottom comprising in particular a cavity 11, of hemispherical shape and which is deformable, respectively liable to sink, under the action of a point Any one. During its deformation movement, the central part 13 of the bottom 10, located directly opposite the cavity 11, comes to press on an elastic part in raising 22 of a metal piece 21 of movement 2, the function of which will be seen main further. By continuing the depressing movement of the central part 13, the elastic raising part 22 comes into contact with a track contact 23 of an electronic circuit thus controlling the desired function, generally the time reset function . Since the contact between the elastic raising part 22 and the track contact 23 cannot be accidentally controlled, but only under the action of the tip 12 acting on the cavity 11, it is not necessary to provide a separate release of the function command.

Comme il a été dit plus haut, la pointe 12 peut être une pointe de stylo ou d'un autre accessoire courant, ou alors être la pointe d'une tige ad-hoc prévue à cet effet et logée en cas de non-emploi dans un alésage prévu dans l'épaisseur du boîtier duquel il est facile de la retirer pour emploi.As mentioned above, the tip 12 can be a pen tip or other common accessory, or else be the tip of an ad-hoc rod provided for this purpose and accommodated in the event of non-use in a bore provided in the thickness of the housing from which it is easy to remove for use.

Le mouvement 2 représenté à la figure 2 du côté du fond de boîtier, comporte en particulier un écran magnétique 21 comprenant un prolongement élastique rehaussé 22; c'est cette partie élastique rehaussée 22 qui lorsqu'on appuie dessus vient établir un contact avec le contact de piste 23 reliée à un circuit de commande électronique 24. Ainsi, il n'est pas nécessaire de prévoir une pièce supplémentaire afin d'assurer le contact, celui-ci étant produit entre deux éléments, l'écran 21 et le contact de piste 23 déjà existant dans le mouvement 2, seuls le prolongement de l'écran 21 et le rehaussement élastique 22 sont adaptés au dispositif de commande par le fond. De manière avantageuse, le contact de piste 23 sera situé au centre du calibre, de même que la partie terminale du rehaussement élastique 22, afin que lors de l'insertion du mouvement 2 dans le boîtier, ces deux éléments viennent automatiquement se loger en face de la partie centrale du fond de boîtier où se trouve la partie déformable du fond de boîtier.The movement 2 shown in FIG. 2 on the side of the bottom of the case, comprises in particular a magnetic screen 21 comprising a raised elastic extension 22; it is this raised elastic part 22 which, when pressed, establishes contact with the track contact 23 connected to an electronic control circuit 24. Thus, it is not necessary to provide an additional part in order to ensure the contact, this being produced between two elements, the screen 21 and the track contact 23 already existing in the movement 2, only the extension of the screen 21 and the elastic enhancement 22 are adapted to the control device by the background. Advantageously, the track contact 23 will be located in the center of the caliber, as will the end portion of the elastic enhancement 22, so that when the movement 2 is inserted into the case, these two elements are automatically housed opposite of the central part of the bottom of the case where the deformable part of the bottom of the case is located.

Vu qu'il n'est pas nécessaire de déverrouiller la fonction avant de la commander, il est possible de commander une ou plusieurs fonctions à l'aide d'un seul dispositif de commande selon l'invention, par exemple en pressant tout d'abord selon un code prédéterminé, respectivement selon une durée donnée, afin de différencier les fonctions commandées; rien ne s'oppose de plus à ce que le fond de boîtier soit muni de plusieurs dispositifs de commande selon l'invention, placés en des endroits choisis du fond, soit en face de différents contacts de pistes, afin de commander une pluralité de fonctions différentes selon les besoins.Since it is not necessary to unlock the function before ordering it, it is possible to control one or more functions using a single control device according to the invention, for example by pressing all of approach according to a predetermined code, respectively according to a given duration, in order to differentiate the ordered functions; there is nothing more to prevent the case back from being provided with several control devices according to the invention, placed at selected places in the back, either opposite different track contacts, in order to control a plurality of different functions as required.

Ainsi, le dispositif de commande de fonctions par le fond d'un boîtier de montre selon l'invention remplit à satisfaction les exigences posées, soit une amélioration esthétique de la montre en supprimant la couronne de remontage et/ou d'éventuels boutons-poussoirs situés sur le pourtour du boîtier; de plus, de par la conception du système proposé, aucune commande intempestive ne peut être actionnée, que ce soit en serrant trop fort le boîtier contre le poignet ou par l'action de la pression hydraulique lorsque l'utilisateur plonge avec sa montre; la conception du système proposé est avantageuse dans la mesure où le mouvement ne nécessite aucune pièce complémentaire, mais une simple adaptation d'éléments existants; enfin le dispositif de commande selon l'invention s'adapte tant aux boîtiers en matière synthétique qu'aux boîtiers métalliques.Thus, the device for controlling functions from the bottom of a watch case according to the invention satisfies the requirements set, that is to say an aesthetic improvement of the watch by eliminating the winding crown and / or any push-buttons. located around the perimeter of the housing; moreover, by the design of the proposed system, no untimely control can be actuated, either by tightening the case too tightly against the wrist or by the action of hydraulic pressure when the user dives with his watch; the design of the proposed system is advantageous insofar as the movement does not require any additional part, but a simple adaptation of existing elements; finally, the control device according to the invention adapts both to plastic boxes and to metal boxes.

Dans le cas de boîtes non monobloc, à fond séparé, il n'est pas nécessaire de prévoir un positionnement angulaire du fond car la partie déformable est située exactement en son centre.In the case of non-monobloc boxes, with a separate bottom, it is not necessary to provide an angular positioning of the bottom because the deformable part is located exactly in its center.

Claims (9)

  1. Device for control of an operation on a wristwatch, the said control being carried out by means of a pick (12), characterized in that the said pick (12) acts upon a central mouldable part (11) of the back cover (10) of the case of the said wristwatch which is one piece with the said back cover (10), the said central mouldable part transmitting a mechanical movement to a portion of a part (22) being already part of the movement of the said wrist-watch, in order to establish electrical contact with a contact track (23) forming also part of the movement of the said watch.
  2. Device according to claim 1, characterized in that each said portion of a part (22) forming already part of the movement of the wristwatch is an extension of the magnetic screen (21).
  3. Device according to claim 1 or 2, characterized in that the mouldable central part of the back cover of the wristwatch comprises a cavity (11) of approximately hemispherical form made in the said back cover of the case.
  4. Device according to claim 3, characterized in that the said back cover of the case is of synthetic material.
  5. Device according to claim 3, characterized in that the said back cover of the case is metallic.
  6. Device according to one of the preceding claims, characterized in that a removable pick is accommodated in a part of the case of the said timepiece.
  7. Device according to one of the preceding claims, characterized in that the operation controlled is a hand-setting of the wristwatch.
  8. Device according to one of the preceding claims, characterized in that the operation controlled is an operation other than the hand-setting of the wristwatch.
  9. Wristwatch characterized in that it has one or more devices according to one of the preceding claims.
EP19910810157 1990-04-11 1991-03-11 Operating device in the back cover of a watch case Expired - Lifetime EP0452254B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH123490 1990-04-11
CH1234/90 1990-04-11

Publications (2)

Publication Number Publication Date
EP0452254A1 EP0452254A1 (en) 1991-10-16
EP0452254B1 true EP0452254B1 (en) 1995-06-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910810157 Expired - Lifetime EP0452254B1 (en) 1990-04-11 1991-03-11 Operating device in the back cover of a watch case

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EP (1) EP0452254B1 (en)
DE (1) DE69110341D1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2748828B1 (en) * 1996-05-17 1998-07-10 Smh Management Services Ag ASSEMBLY COMPRISING A HARD PLASTIC WATCH BOX AND AT LEAST ONE PUSH-BUTTON, AND METHOD FOR MANUFACTURING SUCH AN ASSEMBLY
SG109448A1 (en) * 2000-05-11 2005-03-30 Swatch Group Man Serv Ag Portable electronic device such as, in particular, a timepiece, fitted with a push-button
EP1154339B1 (en) * 2000-05-11 2010-07-21 The Swatch Group Management Services AG Portable electronic device such as a timepiece, provided with a push-button
ES1061716Y (en) * 2005-11-25 2006-07-01 Pita Aniceto Jimenez WATCH.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1025563A (en) * 1949-06-23 1953-04-16 Watertight case usable, in particular, for clockwork movements
SU501388A1 (en) * 1974-09-19 1976-01-30 Предприятие П/Я Р-6007 Electrical contact device
US4108340A (en) * 1975-06-11 1978-08-22 Conn J L Wrist band case for housing a watch and/or a mini computer or calculator
CH1562275A4 (en) * 1975-12-02 1977-08-31
FR2582821B3 (en) * 1985-06-03 1987-10-16 Bouchet Sa Manoel HERMETIC CASE WATCH
CH665746GA3 (en) * 1985-10-31 1988-06-15
ES2022565B3 (en) * 1987-10-21 1991-12-01 Paolo Spadini WATCH

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Publication number Publication date
DE69110341D1 (en) 1995-07-20
EP0452254A1 (en) 1991-10-16

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