EP1584001B1 - Portable tight device with an electro-acoustic transducer - Google Patents

Portable tight device with an electro-acoustic transducer Download PDF

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Publication number
EP1584001B1
EP1584001B1 EP03799586A EP03799586A EP1584001B1 EP 1584001 B1 EP1584001 B1 EP 1584001B1 EP 03799586 A EP03799586 A EP 03799586A EP 03799586 A EP03799586 A EP 03799586A EP 1584001 B1 EP1584001 B1 EP 1584001B1
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EP
European Patent Office
Prior art keywords
portable apparatus
case
transducer
membrane
deformable membrane
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
EP03799586A
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German (de)
French (fr)
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EP1584001A1 (en
Inventor
Yvan Ferri
Paul Dinnissen
Jean-Jacques Born
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Asulab AG
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Asulab AG
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Publication date
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Priority to EP03799586A priority Critical patent/EP1584001B1/en
Publication of EP1584001A1 publication Critical patent/EP1584001A1/en
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Publication of EP1584001B1 publication Critical patent/EP1584001B1/en
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    • 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
    • G04B37/00—Cases
    • G04B37/0075—Cases with means to enhance sound transmission
    • 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
    • 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 present invention relates to a waterproof portable apparatus, such as a wristwatch, comprising an electroacoustic transducer.
  • Such a sealed portable apparatus comprises a housing in which is mounted an electroacoustic transducer separated in a fluid-tight manner by a deformable membrane of an inlet cavity, which is formed in the housing and in direct communication with the outside.
  • FIG. Figure 5 Such portable devices are known from the prior art, particularly from the document EP 0 899 635 filed in the name of the present Applicant and incorporated herein by reference.
  • This document describes a waterproof portable apparatus 1, shown in FIG. Figure 5 , comprising a housing 2 in which is mounted a sound transducer 21 so as to communicate fluid-tight with the outside of the housing 2 by means of sound energy.
  • the sound transducer 21 is integral with a deformable membrane 15, separating it sealingly from an inlet cavity 11 formed in the housing and in direct communication with the outside.
  • the control circuit housed in the housing on a printed circuit board or PCB in the English terminology "Printed Circuit Board”, comprises in particular an amplifier with integrated voltage multiplier, which must be adapted to the transducer, and whose design on the PCB is more complex and requires a larger surface area.
  • connection between the piezoelectric transducer and the PCB is made by means of electrical son, which require delicate transponder mounting operations and welding operations of these son.
  • sealing of the structure shown is provided here only for the elements located above the deformable membrane. No device is provided for sealing electrical or electronic components possibly arranged in the bottom of the housing.
  • the patent CH 691 334 issued in the name of the Applicant describes waterproof portable equipment with a large depth of immersion, including a watch. It comprises a housing in which is mounted a sound transducer mounted so as to be able to work, that is to say to communicate in fluid-tight manner with the outside of the housing by means of sound energy, with a broad spectrum sound, including the spectrum corresponding to speech, while ensuring a high degree of tightness.
  • This sound transducer is mounted in this housing facing a deformable membrane separating it in a sealed manner from an inlet cavity formed in this housing and in direct communication with the outside. An intermediate chamber is formed between this deformable membrane and this sound transducer.
  • This intermediate chamber admits a deformation of the deformable membrane under the action of an external static pressure, and it is delimited on the side of the sound transducer by a support member, which is fixedly mounted in the housing, and which is capable of limiting deformation of the deformable membrane in case of application of this external static pressure.
  • the idea according to the invention is to provide a sealed portable apparatus comprising a simple transducer structure occupying a reduced thickness in the housing of the apparatus.
  • an advantageous embodiment of the invention relates to a sealed portable apparatus comprising a housing in which is mounted an electroacoustic transducer separated from an inlet cavity in a fluid-tight manner by a deformable membrane, said cavity of input being formed in said housing and in direct communication with the outside, and a channel connecting said transducer to said deformable membrane, characterized in that said electroacoustic transducer and said input cavity are arranged collaterally with respect to a parallel plane a bottom that includes said housing so that at least a portion of determined thickness of said transducer or said cavity respectively are arranged in a same slice parallel to said bottom of said housing, and in that said channel connecting said transducer to said deformable membrane is an acoustic channel arranged to transmit acoustic vibrations es.
  • the various embodiments of the invention will be illustrated in their application to a wristwatch. It is clear, however, that any other portable device of small dimensions, including an electroacoustic transducer and capable of being immersed in a liquid such as water to a given depth can be the subject of the present invention.
  • the electroacoustic transducer is a speaker, while a transducer, such as a microphone, can also be used advantageously with these different embodiments.
  • FIG. 1 a sectional view of a wristwatch 1 which is guaranteed tightness to a specific water depth, for example a depth of 30 meters, which is a value often provided in practice.
  • the watch forms a mobile phone comprising a second printed circuit 9 for the telephone.
  • the housing comprises a bottom 10 sealed to the housing by any means, for example by gluing, screwing or clipping.
  • the bottom 10 and the housing 2 may optionally be formed by a single molded part.
  • the housing 2 has a cavity or inlet chamber 11 preferably of generally circular shape and placed in direct communication with the outside through an inlet channel 12 which opens there laterally.
  • the housing 10 Around the cavity 11, the housing 10 has a peripheral ridge 13 with a rounded edge and contiguous with an annular groove 14 lying outside with respect to the rib 14.
  • the membrane 15 is crushed by a surface annular bearing 18 of a protective member 19, for example a circular grid, fixedly mounted in the housing 2, for example by means of screws 20.
  • a protective member 19 for example a circular grid, fixedly mounted in the housing 2, for example by means of screws 20.
  • the membrane 15 can be held by mounting rings, not shown, serving as a bearing surface, the protective member 19 is not necessary.
  • the membrane 15 seals the inside of the watch 1 vis-à-vis the outside.
  • the membrane 15 is made of a deformable material impervious to fluids and gases, for example silicone.
  • the bottom 10 has a through passage 29 having a shoulder 30 against which is disposed a pressure compensation pad 31. This is impervious to the pressure. water, but permeable to air.
  • This structure is connected to the acoustic channel 24 through air passages formed inside the housing 2. All of these elements 29, 30 and 31 form pressure balancing means to balance the slow variations of the differential pressure on either side of said deformable membrane.
  • the deformable membrane 15 may be designed such that it performs the function of pressure compensation in place of the aforementioned circuit.
  • the membrane 15 must be made of a flexible material that is fluid-tight but permeable or semi-permeable to gases whose static pressure varies at a very low frequency.
  • An electroacoustic transducer 21 is fixedly mounted in a housing of the housing 2 provided for this purpose and connected by simple electrical contact 38 to the printed circuit 9.
  • the transducer 21 and the input cavity 11 are arranged collaterally so that at least a portion of determined thickness of the transducer 21, respectively of the cavity 11 are arranged in the same wafer 28 of the housing.
  • Wafer means the part of an object between two parallel planes.
  • the cavity 11 is dimensioned so that its thickness is less than or equal to that of the transducer 21, the thickness of the edge 28 of the housing advantageously corresponding to that of the transducer 21.
  • the electroacoustic transducer 21 is a dynamic loudspeaker, a schematic view of which is given in relation to the Figure 4 .
  • This transducer advantageously has an additional vibrator function as is also explained in connection with the Figure 4 .
  • the control of such a dynamic transducer is conventional and carried out by means of a simple control circuit including in particular a standard amplifier, this control circuit being easily integrable on a reduced space of the printed circuit 9.
  • the transducer 21 comprises a membrane 22 of elastomeric material serving for the loudspeaker in the audible frequency range.
  • the additional function of vibrator is performed by a vibrating element, not visible in this figure, for a determined frequency allowing a good vibration of the watch 1, for example 140 Hertz. It will be noted that the vibrating element is preferably directed towards the interior of the housing so as to obtain a better vibration of the watch 1, and that the flexible membrane 22 is directed towards the bottom 10 of the housing.
  • an acoustic channel 24 which comprises a first chamber 25 arranged facing the membrane 22 of the transducer, a second chamber 26 arranged opposite the deformable membrane 15 and a connecting pipe 27 between the two chambers 25 and 26.
  • the second chamber 26 corresponds to the zone situated between the deformable membrane 15 and the protection member 19 or the bottom of the casing 10, in case of absence of protective organ.
  • the behavior of the membrane 15 is as follows. When the watch 1 is carried out of the water, the membrane 15 has a flat configuration in which it is free to deform to transmit to the outside the acoustic vibrations produced by the transducer 21.
  • the membrane 15 when the watch 1 is to be immersed, the membrane 15 will deform due to a sudden change in the differential pressure that reigns on both sides. It will then assume a curved shape in the direction of the bottom 10, the pressure compensation path through the circuit intended for this purpose, or through the membrane itself in case of hydrophobic membrane, failing to balance the difference quickly enough. pressures. From a certain hydrostatic pressure value, the deformation of the membrane 15 will be such that it will be applied against the bottom 10 or against the protection member 19, which thus ensures effective support preventing any deterioration of the membrane 15.
  • the Figure 2 represents a sectional view similar to that of the Figure 1 according to a second embodiment of the invention. Numerical references of the elements common to the Figure 1 were kept identical.
  • At least one electrical or electronic component 32 preferably bulky such as a battery.
  • other components may also be present, such as a printed circuit 33 for connecting electrically the accumulator 32 to other electrical and electronic components of the watch 1 located in the housing 2.
  • the positioning of the membrane 15 makes it possible to seal the electrical or electronic elements located in the upper part of the housing, but also those located in the bottom 10 of the same housing.
  • a hatch 34 closing the bottom 10 in a sealed manner or in a second advantageous variant a removable bottom that can be dismantled for possible replacement of the components it contains.
  • the protective member 19 already presented to the Figure 1 .
  • the latter then has a dual function, it is able on the one hand to support the deformable membrane 15 when an external pressure greater than a predetermined value is applied thereto and on the other hand to protect the membrane 15 when the bottom of the housing 10 is dismounted.
  • this protection member 19 extends along the acoustic channel 24 so as to cover and therefore also to protect the flexible membrane 22 of the dynamic loudspeaker 21.
  • FIG. 3 is a top view of some elements of the portable apparatus according to the first two embodiments presented above.
  • the elements common with the preceding figures are designated with the same numerical references.
  • the housing 2 the electroacoustic transducer 21, the inlet cavity 11, the connecting pipe 27 of the acoustic channel between the transducer and the cavity.
  • the cavity 11 is placed in direct communication with the outside advantageously through two inlet channels 12a and 12b which open there laterally. Note that these two channels have different orientations which has the effect of improving the emission, respectively the reception in the case of a microphone, acoustic vibrations to the outside, respectively from the outside.
  • the watch comprises control members, such as for example two push buttons 35a and 35b disposed on either side of a time reset member 36.
  • control members such as for example two push buttons 35a and 35b disposed on either side of a time reset member 36.
  • the operating detail of these control members is conventional and will not be not described here.
  • the channel 12a is arranged to open between a push button, for example the button 35a, and the time reset member 36, the other channel 12b being eccentric so as to open the door. other side of the button 35a.
  • a housing 37 located substantially in the same slot as the transducer 21, to receive a SIM card.
  • the latter preferably comprises a speaker and a microphone, both being as far away as possible from one another in the housing.
  • the Figure 4 is a schematic sectional view of a dynamic electroacoustic transducer.
  • dynamic transducer means a movable conductor transducer, wherein the movable element is a conductor traversed by a current provided by a source external to the transducer or induced by a magnetic field outside the transducer.
  • Such a dynamic transducer a loudspeaker in the case shown, comprises a housing 101, preferably circular connected to a magnetic circuit 102 by means of springs 103.
  • An annular groove 104 formed in the magnetic circuit 102 makes it possible to place a coil therein.
  • a membrane 106 attached to the housing 101 and the coil 105 can transmit acoustic vibrations 107 in the vertical direction symbolized by an arrow.
  • the transducer is advantageously a dynamic transducer with dual function, speaker and vibrator.
  • the coil 105 is current-controlled by an external control circuit, not shown, the control current which passes through the coil then induces a magnetic field through the coil, which interacts with the magnetic field created by the magnetic circuit 102.
  • the membrane 106 can not vibrate sufficiently at low frequency, the coil is controlled by current so that the interaction between the field induced in the coil and the field of the magnetic circuit 102 causes the housing 101 of the transducer to vibrate at a resonance frequency of, for example, 140 Hz, which then causes the assembly of the watch.
  • This type of dynamic electroacoustic transducer is available in particular from the Japanese company Namiki ®.

Abstract

The invention relates to a portable tight device (1) comprising a housing (2) with an electro-acoustic transducer (21) mounted therein. Said electro-acoustic transducer is separated from an input cavity (11) in a fluid-tight manner by means of a deformable membrane (15). The input cavity is embodied inside the housing and communicates directly with the outside. The electro-acoustic transducer and the input cavity are disposed in a collateral manner such that at least one part of the transducer and the cavity respectively, whose thickness is predetermined, is disposed in a same section (28) of the housing and an acoustic channel links the transducer to the membrane in order to transmit acoustic vibrations.

Description

DOMAINE TECHNIQUETECHNICAL AREA

La présente invention concerne un appareil portable étanche, comme par exemple une montre-bracelet, comprenant un transducteur électroacoustique.The present invention relates to a waterproof portable apparatus, such as a wristwatch, comprising an electroacoustic transducer.

Un tel appareil portable étanche comporte un boîtier dans lequel est monté un transducteur électroacoustique séparé de façon étanche aux fluides par une membrane déformable d'une cavité d'entrée, qui est ménagée dans le boîtier et en communication directe avec l'extérieur.Such a sealed portable apparatus comprises a housing in which is mounted an electroacoustic transducer separated in a fluid-tight manner by a deformable membrane of an inlet cavity, which is formed in the housing and in direct communication with the outside.

ARRIÈRE-PLAN TECHNOLOGIQUETECHNOLOGICAL BACKGROUND

De tels appareils portables sont connus de l'art antérieur, notamment du document EP 0 899 635 déposé au nom de la présente Demanderesse et incorporé ici par référence. Ce document décrit un appareil portable étanche 1, représenté à la Figure 5, comportant un boîtier 2 dans lequel est monté un transducteur sonore 21 de manière à communiquer de manière étanche aux fluides avec l'extérieur du boîtier 2 par l'intermédiaire d'énergie sonore. Le transducteur sonore 21 est solidaire d'une membrane déformable 15, le séparant de façon étanche d'une cavité d'entrée 11 ménagée dans le boîtier et en communication directe avec l'extérieur.Such portable devices are known from the prior art, particularly from the document EP 0 899 635 filed in the name of the present Applicant and incorporated herein by reference. This document describes a waterproof portable apparatus 1, shown in FIG. Figure 5 , comprising a housing 2 in which is mounted a sound transducer 21 so as to communicate fluid-tight with the outside of the housing 2 by means of sound energy. The sound transducer 21 is integral with a deformable membrane 15, separating it sealingly from an inlet cavity 11 formed in the housing and in direct communication with the outside.

Une telle structure présente néanmoins plusieurs inconvénients. Dans le cas d'un transducteur sonore du type piézo-électrique, tel que représenté, le circuit de commande logé dans le boîtier sur une plaquette à circuit imprimé ou PCB suivant la terminologie anglaise « Printed Circuit Board », comprend en particulier un amplificateur avec multiplicateur de tension intégré, qui doit être adapté au transducteur, et dont le design sur le PCB est plus complexe et requiert de ce fait une surface plus importante.Such a structure nevertheless has several disadvantages. In the case of a sound transducer of the piezoelectric type, as shown, the control circuit housed in the housing on a printed circuit board or PCB in the English terminology "Printed Circuit Board", comprises in particular an amplifier with integrated voltage multiplier, which must be adapted to the transducer, and whose design on the PCB is more complex and requires a larger surface area.

De plus, la connectique entre le transducteur piézo-électrique et le PCB est réalisée au moyen de fils électriques, ce qui nécessitent des opérations délicates de montage du transpondeur ainsi que des opérations de soudage de ces fils.In addition, the connection between the piezoelectric transducer and the PCB is made by means of electrical son, which require delicate transponder mounting operations and welding operations of these son.

De surcroît, l'étanchéité de la structure représentée n'est assurée ici que pour les éléments situés au-dessus de la membrane déformable. Il n'est prévu aucun dispositif pour assurer l'étanchéité de composants électriques ou électroniques disposés éventuellement dans le fond du boîtier.In addition, the sealing of the structure shown is provided here only for the elements located above the deformable membrane. No device is provided for sealing electrical or electronic components possibly arranged in the bottom of the housing.

L'idée qui consisterait simplement à remplacer le transducteur sonore du type piézo-électrique par un transducteur sonore du type électrodynamique, - c'est-à-dire un transducteur à conducteur mobile dans lequel l'élément mobile est un conducteur parcouru par un courant fourni par une source extérieure ou induit par un champ magnétique extérieur -, pose des difficultés au niveau de l'encombrement dans le boîtier, un transducteur dynamique étant relativement volumineux et présentant en particulier une épaisseur non négligeable.The idea of simply replacing the sound transducer of the piezoelectric type with a sound transducer of the electrodynamic type, that is to say a movable conductor transducer in which the movable element is a conductor traversed by a current provided by an external source or induced by an external magnetic field - poses difficulties in terms of space in the housing, a dynamic transducer being relatively bulky and having in particular a significant thickness.

Le brevet CH 691 334 délivré au nom de la Demanderesse décrit un appareillage portable étanche à grande profondeur d'immersion, notamment une montre. Il comporte un boîtier dans lequel est monté un transducteur sonore monté de manière à pouvoir travailler, c'est-à-dire communiquer de façon étanche aux fluides avec l'extérieur du boîtier par l'intermédiaire d'énergie sonore, avec un large spectre sonore, notamment le spectre correspondant à la parole, tout en garantissant un haut degré d'étanchéité. Ce transducteur sonore est monté dans ce boîtier en regard d'une membrane déformable le séparant d'une façon étanche d'une cavité d'entrée aménagée dans ce boîtier et en communication directe avec l'extérieur. Une chambre intermédiaire est ménagée entre cette membrane déformable et ce transducteur sonore. Cette chambre intermédiaire admet une déformation de la membrane déformable sous l'action d'une pression statique extérieure, et elle est délimitée du côté du transducteur sonore par un organe de soutien, qui est monté fixe dans le boîtier, et qui est susceptible de limiter la déformation de la membrane déformable en cas d'application de cette pression statique extérieure.The patent CH 691 334 issued in the name of the Applicant describes waterproof portable equipment with a large depth of immersion, including a watch. It comprises a housing in which is mounted a sound transducer mounted so as to be able to work, that is to say to communicate in fluid-tight manner with the outside of the housing by means of sound energy, with a broad spectrum sound, including the spectrum corresponding to speech, while ensuring a high degree of tightness. This sound transducer is mounted in this housing facing a deformable membrane separating it in a sealed manner from an inlet cavity formed in this housing and in direct communication with the outside. An intermediate chamber is formed between this deformable membrane and this sound transducer. This intermediate chamber admits a deformation of the deformable membrane under the action of an external static pressure, and it is delimited on the side of the sound transducer by a support member, which is fixedly mounted in the housing, and which is capable of limiting deformation of the deformable membrane in case of application of this external static pressure.

RÉSUMÉ DE L'INVENTIONSUMMARY OF THE INVENTION

Afin de pallier les inconvénients de l'art antérieur, l'idée selon l'invention est de réaliser un appareil portable étanche comprenant une structure de transducteur simple occupant une épaisseur réduite dans le boîtier de l'appareil.In order to overcome the drawbacks of the prior art, the idea according to the invention is to provide a sealed portable apparatus comprising a simple transducer structure occupying a reduced thickness in the housing of the apparatus.

A cet effet, un mode de réalisation avantageux de l'invention concerne un appareil portable étanche comportant un boîtier dans lequel est monté un transducteur électroacoustique séparé d'une cavité d'entrée de façon étanche aux fluides par une membrane déformable, ladite cavité d'entrée étant ménagée dans ledit boîtier et en communication directe avec l'extérieur, et un canal reliant ledit transducteur à ladite membrane déformable, caractérisé en ce que ledit transducteur électroacoustique et ladite cavité d'entrée sont agencés de manière collatérale par rapport à un plan parallèle à un fond que comporte ledit boîtier de sorte qu'au moins une partie d'épaisseur déterminée dudit transducteur respectivement de ladite cavité sont agencés dans une même tranche parallèle audit fond dudit boîtier, et en ce que ledit canal reliant ledit transducteur à ladite membrane déformable est un canal acoustique agencé pour transmettre des vibrations acoustiques.For this purpose, an advantageous embodiment of the invention relates to a sealed portable apparatus comprising a housing in which is mounted an electroacoustic transducer separated from an inlet cavity in a fluid-tight manner by a deformable membrane, said cavity of input being formed in said housing and in direct communication with the outside, and a channel connecting said transducer to said deformable membrane, characterized in that said electroacoustic transducer and said input cavity are arranged collaterally with respect to a parallel plane a bottom that includes said housing so that at least a portion of determined thickness of said transducer or said cavity respectively are arranged in a same slice parallel to said bottom of said housing, and in that said channel connecting said transducer to said deformable membrane is an acoustic channel arranged to transmit acoustic vibrations es.

Des variantes avantageuses sont exposées dans les revendications dépendantes.Advantageous variants are set forth in the dependent claims.

BRÈVE DESCRIPTION DES DESSINSBRIEF DESCRIPTION OF THE DRAWINGS

D'autres caractéristiques et avantages de l'invention apparaîtront au cours de la description qui va suivre, donnée uniquement à titre d'exemple et faite en se référant aux dessins annexés sur lesquels :

  • La Figure 1 représente une vue en coupe d'un appareil portable au niveau de son transducteur électroacoustique selon un premier mode de réalisation ;
  • La Figure 2 représente une vue en coupe d'un appareil portable au niveau de son transducteur électroacoustique selon un deuxième mode de réalisation ;
  • la Figure 3 représente une vue de dessus au niveau du transducteur électroacoustique ;
  • la Figure 4 représente une vue schématique d'un haut-parleur dynamique ; et
  • la Figure 5, déjà décrite, représente un appareil portable étanche selon l'art antérieur.
Other features and advantages of the invention will become apparent from the following description, given solely by way of example and with reference to the appended drawings in which:
  • The Figure 1 represents a sectional view of a portable device at its electroacoustic transducer according to a first embodiment;
  • The Figure 2 represents a sectional view of a portable apparatus at its electroacoustic transducer according to a second embodiment;
  • the Figure 3 represents a top view at the level of the electroacoustic transducer;
  • the Figure 4 represents a schematic view of a dynamic speaker; and
  • the Figure 5 , already described, represents a sealed portable device according to the prior art.

DESCRIPTION DE MODES DE RÉALISATION PRÉFÉRÉSDESCRIPTION OF PREFERRED EMBODIMENTS

Dans la description qui va suivre, les différents modes de réalisation de l'invention seront illustrés dans leur application à une montre bracelet. Il est clair cependant que tout autre appareil portable de petites dimensions, comprenant un transducteur électroacoustique et susceptible d'être immergé dans un liquide tel que l'eau jusqu'à une profondeur déterminée peut faire l'objet de la présente invention. En outre, dans les différents modes représentés, le transducteur électroacoustique est un haut-parleur, cependant qu'un transducteur, tel un microphone, peut également être utilisé avantageusement avec ces différents modes de réalisation.In the following description, the various embodiments of the invention will be illustrated in their application to a wristwatch. It is clear, however, that any other portable device of small dimensions, including an electroacoustic transducer and capable of being immersed in a liquid such as water to a given depth can be the subject of the present invention. In addition, in the various modes shown, the electroacoustic transducer is a speaker, while a transducer, such as a microphone, can also be used advantageously with these different embodiments.

Ceci étant, selon un premier mode de réalisation de l'invention, on voit représentée sur la Figure 1, une vue en coupe d'une montre bracelet 1 dont on garantit l'étanchéité jusqu'à une profondeur d'eau déterminée, par exemple une profondeur de 30 mètres, qui est une valeur souvent prévue en pratique.That being so, according to a first embodiment of the invention, there is shown on the Figure 1 , a sectional view of a wristwatch 1 which is guaranteed tightness to a specific water depth, for example a depth of 30 meters, which is a value often provided in practice.

On reconnaît de la montre 1 sur la Figure 1, le boîtier 2, la glace 3, les aiguilles 4 et 5, le cadran 6, le moteur miniature 7, le circuit imprimé ou PCB 8 pour la montre. Tous ces éléments, ainsi que ceux ébauchés, voire non visibles sur cette figure, comme le quartz, le rouage, le circuit intégré, etc. sont classiques et ne seront donc pas décrits ici. On notera qu'avantageusement la montre forme un téléphone portable comprenant un deuxième circuit imprimé 9 pour le téléphone.We recognize the watch 1 on the Figure 1 , the housing 2, the ice 3, the needles 4 and 5, the dial 6, the miniature motor 7, the printed circuit or PCB 8 for the watch. All these elements, as well as those sketched or not visible in this figure, such as quartz, the gear, the integrated circuit, etc. are classic and will not be described here. It will be noted that, advantageously, the watch forms a mobile phone comprising a second printed circuit 9 for the telephone.

Dans le cas représenté, le boîtier comprend un fond 10 solidaire de manière étanche du boîtier par tout moyen, par exemple par collage, vissage ou clipsage. On notera que le fond 10 et le boîtier 2 peuvent éventuellement être formés par une seule pièce moulée. Le boîtier 2 présente une cavité ou chambre d'entrée 11 de préférence de forme générale circulaire et mise en communication directe avec l'extérieur à travers un canal d'entrée 12 qui y débouche latéralement. Autour de la cavité 11, le boîtier 10 présente une nervure périphérique 13 à arête arrondie et contiguë à une rainure annulaire 14 se situant à l'extérieur par rapport à la nervure 14.In the case shown, the housing comprises a bottom 10 sealed to the housing by any means, for example by gluing, screwing or clipping. Note that the bottom 10 and the housing 2 may optionally be formed by a single molded part. The housing 2 has a cavity or inlet chamber 11 preferably of generally circular shape and placed in direct communication with the outside through an inlet channel 12 which opens there laterally. Around the cavity 11, the housing 10 has a peripheral ridge 13 with a rounded edge and contiguous with an annular groove 14 lying outside with respect to the rib 14.

Une membrane 15 formée d'un disque circulaire auquel est venu de formage un rebord périphérique 16 logée dans la rainure 14 et dont la surface extérieure est accolée à une paroi périphérique 17 ménagée autour de la rainure 14. La membrane 15 est écrasée par une surface d'appui annulaire 18 d'un organe de protection 19, par exemple une grille circulaire, monté fixe dans le boîtier 2, par exemple au moyen de vis 20. On notera que la membrane 15 peut être maintenue par des bagues de montages, non représentées, servant de surface d'appui, l'organe de protection 19 n'étant pas nécessaire.A membrane 15 formed of a circular disc which has formed a peripheral flange 16 housed in the groove 14 and whose outer surface is contiguous to a peripheral wall 17 formed around the groove 14. The membrane 15 is crushed by a surface annular bearing 18 of a protective member 19, for example a circular grid, fixedly mounted in the housing 2, for example by means of screws 20. Note that the membrane 15 can be held by mounting rings, not shown, serving as a bearing surface, the protective member 19 is not necessary.

Ainsi, la membrane 15 assure l'étanchéité de l'intérieur de la montre 1 vis-à-vis de l'extérieur. La membrane 15 est réalisée dans un matériau déformable étanche aux fluides et aux gaz, par exemple en silicone. Dans une zone à l'écart de l'ensemble que l'on vient de décrire, le fond 10 comporte un passage traversant 29 présentant un épaulement 30 contre lequel est disposée une pastille de compensation de pression 31. Celle-ci est imperméable à l'eau, mais perméable à l'air. Cette structure est reliée au canal acoustique 24 au travers de passages d'air pratiqués à l'intérieur du boîtier 2. L'ensemble de ces éléments 29, 30 et 31 forment des moyens d'équilibrage de pression pour équilibrer les variations lentes de la pression différentielle de part et d'autre de ladite membrane déformable.Thus, the membrane 15 seals the inside of the watch 1 vis-à-vis the outside. The membrane 15 is made of a deformable material impervious to fluids and gases, for example silicone. In an area away from the assembly just described, the bottom 10 has a through passage 29 having a shoulder 30 against which is disposed a pressure compensation pad 31. This is impervious to the pressure. water, but permeable to air. This structure is connected to the acoustic channel 24 through air passages formed inside the housing 2. All of these elements 29, 30 and 31 form pressure balancing means to balance the slow variations of the differential pressure on either side of said deformable membrane.

On notera toutefois que la membrane déformable 15 peut être conçue de telle façon qu'elle remplisse la fonction de compensation de pression à la place du circuit susmentionné. Dans ce cas, la membrane 15 doit être réalisée dans un matériau souple étanche aux fluides mais perméable ou semi-perméable aux gaz dont la pression statique varie à très basse fréquence.Note, however, that the deformable membrane 15 may be designed such that it performs the function of pressure compensation in place of the aforementioned circuit. In this case, the membrane 15 must be made of a flexible material that is fluid-tight but permeable or semi-permeable to gases whose static pressure varies at a very low frequency.

Un transducteur électroacoustique 21 est monté fixe dans un logement du boîtier 2 prévu à cet effet et relié par simple contact électrique 38 au circuit imprimé 9. Le transducteur 21 et la cavité d'entrée 11 sont disposés de manière collatérale de sorte qu'au moins une partie d'épaisseur déterminée du transducteur 21, respectivement de la cavité 11 sont agencés dans une même tranche 28 du boîtier. On entend par tranche, la partie d'un objet comprise entre deux plans parallèles. De préférence, la cavité 11 est dimensionnée de sorte que son épaisseur est inférieure ou égale à celle du transducteur 21, l'épaisseur de la tranche 28 du boîtier correspondant avantageusement à celle du transducteur 21.An electroacoustic transducer 21 is fixedly mounted in a housing of the housing 2 provided for this purpose and connected by simple electrical contact 38 to the printed circuit 9. The transducer 21 and the input cavity 11 are arranged collaterally so that at least a portion of determined thickness of the transducer 21, respectively of the cavity 11 are arranged in the same wafer 28 of the housing. Wafer means the part of an object between two parallel planes. Preferably, the cavity 11 is dimensioned so that its thickness is less than or equal to that of the transducer 21, the thickness of the edge 28 of the housing advantageously corresponding to that of the transducer 21.

On notera qu'on peut également prévoir un canal 39 à l'intérieur du boîtier 2 de manière à assurer une pression identique au dessus et en dessous du transducteur 21.Note that it is also possible to provide a channel 39 inside the casing 2 so as to ensure an identical pressure above and below the transducer 21.

Toutefois, d'autres agencements dans lesquels le transducteur 21 et / ou la cavité 11 sont inclinés sont envisageables dans la mesure où une tranche du boîtier traverse sur une épaisseur déterminée minimale, de l'ordre du millimètre, ces deux éléments de manière à diminuer d'autant l'épaisseur totale de la montre 1.However, other arrangements in which the transducer 21 and / or the cavity 11 are inclined are conceivable insofar as a wafer of the housing passes through a minimum determined thickness, of the order of a millimeter, these two elements so as to reduce all the way the total thickness of the watch 1.

Dans le cas représenté, le transducteur électroacoustique 21 est un haut-parleur dynamique, dont une vue schématique ainsi que le fonctionnement est donnée en relation avec la Figure 4. Ce transducteur présente avantageusement une fonction additionnelle de vibreur comme cela est également explicité en rapport avec la Figure 4. La commande d'un tel transducteur dynamique est classique et réalisée au moyen d'un circuit de commande simple comprenant notamment un amplificateur standard, ce circuit de commande étant facilement intégrable sur un espace réduit du circuit imprimé 9.In the case represented, the electroacoustic transducer 21 is a dynamic loudspeaker, a schematic view of which is given in relation to the Figure 4 . This transducer advantageously has an additional vibrator function as is also explained in connection with the Figure 4 . The control of such a dynamic transducer is conventional and carried out by means of a simple control circuit including in particular a standard amplifier, this control circuit being easily integrable on a reduced space of the printed circuit 9.

Le transducteur 21 comprend une membrane 22 en matériau élastomère servant pour le haut-parleur dans la gamme des fréquences audibles. La fonction additionnelle de vibreur est réalisée par un élément vibrant, non visible sur cet figure, pour une fréquence déterminée permettant une bonne vibration de la montre 1, par exemple 140 Hertz. On notera que de préférence l'élément vibrant est dirigé vers l'intérieur du boîtier de manière à obtenir une meilleure vibration de la montre 1, et que la membrane flexible 22 est dirigée vers le fond 10 du boîtier.The transducer 21 comprises a membrane 22 of elastomeric material serving for the loudspeaker in the audible frequency range. The additional function of vibrator is performed by a vibrating element, not visible in this figure, for a determined frequency allowing a good vibration of the watch 1, for example 140 Hertz. It will be noted that the vibrating element is preferably directed towards the interior of the housing so as to obtain a better vibration of the watch 1, and that the flexible membrane 22 is directed towards the bottom 10 of the housing.

Afin de transmettre les vibrations acoustiques de la membrane 22, à la membrane déformable 15, il est prévu dans le fond 10 du boîtier un canal acoustique 24 qui comprend une première chambre 25 agencée en regard de la membrane 22 du transducteur, une deuxième chambre 26 agencée en regard de la membrane déformable 15 et une conduite de liaison 27 entre les deux chambres 25 et 26. La deuxième chambre 26 correspond à la zone située entre la membrane déformable 15 et l'organe de protection 19 ou le fond du boîtier 10, en cas d'absence d'organe de protection.In order to transmit the acoustic vibrations of the membrane 22, to the deformable membrane 15, there is provided in the bottom 10 of the housing an acoustic channel 24 which comprises a first chamber 25 arranged facing the membrane 22 of the transducer, a second chamber 26 arranged opposite the deformable membrane 15 and a connecting pipe 27 between the two chambers 25 and 26. The second chamber 26 corresponds to the zone situated between the deformable membrane 15 and the protection member 19 or the bottom of the casing 10, in case of absence of protective organ.

Le comportement de la membrane 15 est le suivant. Lorsque la montre 1 est portée hors de l'eau, la membrane 15 présente une configuration plate dans laquelle elle est libre de se déformer pour transmettre vers l'extérieur les vibrations acoustiques produites par le transducteur 21.The behavior of the membrane 15 is as follows. When the watch 1 is carried out of the water, the membrane 15 has a flat configuration in which it is free to deform to transmit to the outside the acoustic vibrations produced by the transducer 21.

En revanche, lorsque la montre 1 vient à être immergée, la membrane 15 se déformera en raison d'une brusque variation de la pression différentielle qui règne de ses deux côtés. Elle assumera alors une forme bombée en direction du fond 10, le trajet de compensation de pression à travers le circuit destiné à cet effet, ou à travers la membrane elle-même en cas de membrane hydrophobe, ne parvenant pas assez rapidement à équilibrer la différence des pressions. A partir d'une certaine valeur de pression hydrostatique, la déformation de la membrane 15 sera telle qu'elle va s'appliquer contre le fond 10 ou contre l'organe de protection 19, qui assure ainsi un soutien efficace empêchant toute détérioration de la membrane 15.However, when the watch 1 is to be immersed, the membrane 15 will deform due to a sudden change in the differential pressure that reigns on both sides. It will then assume a curved shape in the direction of the bottom 10, the pressure compensation path through the circuit intended for this purpose, or through the membrane itself in case of hydrophobic membrane, failing to balance the difference quickly enough. pressures. From a certain hydrostatic pressure value, the deformation of the membrane 15 will be such that it will be applied against the bottom 10 or against the protection member 19, which thus ensures effective support preventing any deterioration of the membrane 15.

La Figure 2 représente une vue en coupe similaire à celle de la Figure 1, selon un deuxième mode de réalisation de l'invention. Les références numériques des éléments communs avec la Figure 1 ont été gardées identiques.The Figure 2 represents a sectional view similar to that of the Figure 1 according to a second embodiment of the invention. Numerical references of the elements common to the Figure 1 were kept identical.

Comme cela est représenté, il est prévu d'agencer dans le fond 10 du boîtier, au moins un composant électrique ou électronique 32, de préférence volumineux tel qu'un accumulateur. On notera que d'autres composants peuvent être également présents, comme par exemple un circuit imprimé 33 permettant de relier électriquement l'accumulateur 32 à d'autres composants électriques et électroniques de la montre 1 situés dans le boîtier 2.As shown, it is intended to arrange in the bottom 10 of the housing, at least one electrical or electronic component 32, preferably bulky such as a battery. Note that other components may also be present, such as a printed circuit 33 for connecting electrically the accumulator 32 to other electrical and electronic components of the watch 1 located in the housing 2.

On notera qu'avantageusement le positionnement de la membrane 15 permet d'assurer l'étanchéité des éléments électriques ou électroniques situés dans la partie supérieure du boîtier mais aussi de ceux situés dans le fond 10 de ce même boîtier.It will be noted that, advantageously, the positioning of the membrane 15 makes it possible to seal the electrical or electronic elements located in the upper part of the housing, but also those located in the bottom 10 of the same housing.

Afin de pouvoir remplacer les composants 32 et 33 logés dans le fond 10 du boîtier, on pourra prévoir selon une première variante une trappe 34 venant fermer le fond 10 de manière étanche, ou selon une deuxième variante avantageuse un fond démontable susceptible d'être démonté en vue du remplacement éventuel des composants qu'il contient. Dans ce dernier cas, il est prévu de préférence de monter l'organe de protection 19 déjà présenté à la Figure 1. Ce dernier présente alors une double fonction, il est susceptible d'une part de soutenir la membrane déformable 15 lorsqu'une pression extérieure supérieure à une valeur prédéterminée lui est appliquée et d'autre part de protéger cette membrane 15 lorsque le fond du boîtier 10 est démonté. Avantageusement, il est prévu que cet organe de protection 19 s'étende le long du canal acoustique 24 de manière à couvrir et donc à protéger également la membrane flexible 22 du haut-parleur dynamique 21.In order to be able to replace the components 32 and 33 housed in the bottom 10 of the housing, provision may be made according to a first variant of a hatch 34 closing the bottom 10 in a sealed manner, or in a second advantageous variant a removable bottom that can be dismantled for possible replacement of the components it contains. In the latter case, it is preferably provided to mount the protective member 19 already presented to the Figure 1 . The latter then has a dual function, it is able on the one hand to support the deformable membrane 15 when an external pressure greater than a predetermined value is applied thereto and on the other hand to protect the membrane 15 when the bottom of the housing 10 is dismounted. Advantageously, it is provided that this protection member 19 extends along the acoustic channel 24 so as to cover and therefore also to protect the flexible membrane 22 of the dynamic loudspeaker 21.

On remarquera que les différentes alternatives pour la compensation de pression sont également applicables bien que non visibles sur cette figure.It will be noted that the different alternatives for pressure compensation are also applicable although not visible in this figure.

La Figure 3 est une vue de dessus de certains éléments de l'appareil portable selon les deux premiers modes de réalisation sus-présentés. Les éléments communs avec les figures précédentes sont désignés avec les mêmes références numériques.The Figure 3 is a top view of some elements of the portable apparatus according to the first two embodiments presented above. The elements common with the preceding figures are designated with the same numerical references.

On reconnaît sur cette Figure 3, le boîtier 2, le transducteur électroacoustique 21, la cavité d'entrée 11, la conduite de liaison 27 du canal acoustique entre le transducteur et la cavité. Comme cela est représenté, la cavité 11 est mise en communication directe avec l'extérieur avantageusement au travers de deux canaux d'entrée 12a et 12b qui y débouchent latéralement. On notera que ces deux canaux présentent des orientations différentes ce qui a pour effet d'améliorer l'émission, respectivement la réception dans le cas d'un microphone, des vibrations acoustiques vers l'extérieur, respectivement depuis l'extérieur.We recognize on this Figure 3 , the housing 2, the electroacoustic transducer 21, the inlet cavity 11, the connecting pipe 27 of the acoustic channel between the transducer and the cavity. As shown, the cavity 11 is placed in direct communication with the outside advantageously through two inlet channels 12a and 12b which open there laterally. Note that these two channels have different orientations which has the effect of improving the emission, respectively the reception in the case of a microphone, acoustic vibrations to the outside, respectively from the outside.

La montre comprend des organes de commande, comme par exemple deux boutons poussoirs 35a et 35b disposés de part et d'autre d'un organe de remise à l'heure 36. Le détail de fonctionnement de ces organes de commande est classique et ne sera pas décrit ici. On notera que, préférentiellement, le canal 12a est agencé pour déboucher entre un bouton poussoir, par exemple le bouton 35a, et l'organe de remise à l'heure 36, l'autre canal 12b étant excentré de manière à déboucher de l'autre côté du bouton 35a.The watch comprises control members, such as for example two push buttons 35a and 35b disposed on either side of a time reset member 36. The operating detail of these control members is conventional and will not be not described here. Note that, preferably, the channel 12a is arranged to open between a push button, for example the button 35a, and the time reset member 36, the other channel 12b being eccentric so as to open the door. other side of the button 35a.

Comme cela est visible, dans le cas d'une montre-téléphone, il est prévu également un logement 37 situé sensiblement dans la même tranche que le transducteur 21, pour recevoir une carte SIM.As can be seen, in the case of a telephone watch, there is also provided a housing 37 located substantially in the same slot as the transducer 21, to receive a SIM card.

On notera que dans l'application à une montre-téléphone, cette dernière comprend de préférence un haut-parleur et un microphone, les deux étant éloigné le plus possible l'un de l'autre dans le boîtier.Note that in the application to a telephone watch, the latter preferably comprises a speaker and a microphone, both being as far away as possible from one another in the housing.

La Figure 4 représente une vue en coupe schématique d'un transducteur électroacoustique dynamique. Tout d'abord on entend par transducteur dynamique, un transducteur à conducteur mobile, dans lequel l'élément mobile est un conducteur parcouru par un courant fourni par une source extérieure au transducteur ou induit par un champ magnétique extérieur au transducteur.The Figure 4 is a schematic sectional view of a dynamic electroacoustic transducer. Firstly dynamic transducer means a movable conductor transducer, wherein the movable element is a conductor traversed by a current provided by a source external to the transducer or induced by a magnetic field outside the transducer.

Un tel transducteur dynamique, un haut-parleur dans le cas représenté, comprend un boîtier 101, préférablement circulaire relié à un circuit magnétique 102 au moyen de ressorts 103. Une gorge annulaire 104 pratiquée dans le circuit magnétique 102 permet d'y placée une bobine d'induction 105. Une membrane 106 attachée au boîtier 101 et à la bobine 105 permet de transmettre des vibrations acoustiques 107 dans le sens vertical symbolisé par une flèche. Dans les deux modes de réalisations présentés aux Figures 1 et 2, le transducteur est avantageusement un transducteur dynamique à double fonction, haut-parleur et vibreur. Pour obtenir la fonction haut-parleur en faisant vibrer la membrane 106, en particulier dans les gammes de fréquence audibles (300 Hz-3,5 kHz), la bobine 105 est commandée en courant par un circuit de commande externe, non représenté, le courant de commande qui traverse la bobine induit alors un champ magnétique au travers de la bobine, qui interagit avec le champ magnétique créé par le circuit magnétique 102. Pour obtenir la fonction vibreur, la membrane 106 ne pouvant vibrer suffisamment à basse fréquence, la bobine est commandée en courant de manière à ce que l'interaction entre le champ induit dans la bobine et le champ du circuit magnétique 102 fasse vibrer le boîtier 101 du transducteur à une fréquence de résonance par exemple de 140 Hz, qui entraîne alors l'ensemble de la montre. Ce type de transducteur électroacoustique dynamique est disponible notamment auprès de la société japonaise Namiki ®.Such a dynamic transducer, a loudspeaker in the case shown, comprises a housing 101, preferably circular connected to a magnetic circuit 102 by means of springs 103. An annular groove 104 formed in the magnetic circuit 102 makes it possible to place a coil therein. Induction 105. A membrane 106 attached to the housing 101 and the coil 105 can transmit acoustic vibrations 107 in the vertical direction symbolized by an arrow. In the two embodiments presented to the Figures 1 and 2 , the transducer is advantageously a dynamic transducer with dual function, speaker and vibrator. To obtain the loudspeaker function by vibrating the membrane 106, in particular in the audible frequency range (300 Hz-3.5 kHz), the coil 105 is current-controlled by an external control circuit, not shown, the control current which passes through the coil then induces a magnetic field through the coil, which interacts with the magnetic field created by the magnetic circuit 102. To obtain the vibrator function, the membrane 106 can not vibrate sufficiently at low frequency, the coil is controlled by current so that the interaction between the field induced in the coil and the field of the magnetic circuit 102 causes the housing 101 of the transducer to vibrate at a resonance frequency of, for example, 140 Hz, which then causes the assembly of the watch. This type of dynamic electroacoustic transducer is available in particular from the Japanese company Namiki ®.

Claims (16)

  1. Water-resistant portable apparatus (1) including a case (2) in which there is mounted an electroacoustic transducer (21) separated from an inlet cavity (11) in a water-resistant manner by a deformable membrane (15), said inlet cavity (11) being arranged in said case (12) and in direct communication with the exterior, and a channel connecting said transducer (21) to said deformable membrane (15), characterized in that said electroacoustic transducer (21) and said inlet cavity (11) are arranged collaterally in relation to a plane parallel to a back cover (10) comprised in said case (2) such that at least one part of said transducer (21), respectively said cavity (11), of a determined thickness is arranged in the same slice (28) of said case parallel to said back cover (10) of said case (2) and in that said channel connecting said transducer (21) to said deformable membrane (15) is an acoustic channel (24) arranged for transmitting acoustic vibrations.
  2. Portable apparatus according to claim 1, characterized in that said electroacoustic transducer is a dynamic electroacoustic transducer.
  3. Portable apparatus according to claim 1 or 2, characterized in that said electroacoustic transducer includes a loudspeaker.
  4. Portable apparatus according to claim 3, characterized in that said loudspeaker includes a flexible membrane (22) arranged facing said acoustic channel.
  5. Portable apparatus according to claim 3 or 4, characterized in that said electroacoustic transducer also includes a vibrator.
  6. Portable apparatus according to claim 5, characterized in that said electroacoustic transducer also includes a vibrating element arranged toward the inside of the case.
  7. Portable apparatus according to any of the preceding claims, characterized in that said acoustic channel (24) is arranged in the back cover (10) of the case which is separated from the inlet cavity in a water-resistant manner by said deformable membrane.
  8. Portable apparatus according to claim 7, characterized in that the back cover of the case forms a support surface for said deformable membrane when external pressure greater than a predetermined value is applied thereto.
  9. Portable apparatus according to claim 7 or 8, characterized in that at least one electrical or electronic component (32, 33) is arranged in the back cover of the case.
  10. Portable apparatus according to claim 9, characterized in that said electrical component is an accumulator (32).
  11. Portable apparatus according to any of claims 7 to 10, characterized in that the back cover of the case is removable, and in that a protective member (19), fixedly mounted in the case, is capable on the one hand of supporting said deformable member when external pressure greater than a predetermined value is applied thereto and on the other hand, of protecting said deformable membrane when the back cover of the case is removed.
  12. Portable apparatus according to claim 11, characterized in that said protective member (19) extends along the acoustic channel so as to also protect the flexible member (22) of said electroacoustic transducer.
  13. Portable apparatus according to any of the preceding claims, characterized in that the deformable membrane is a water-resistant and gas-proof membrane and in that the apparatus further includes pressure-balancing means (29, 30, 31) for balancing the slow differential pressure variations on either side of said deformable membrane.
  14. Portable apparatus according to any of the preceding claims, characterized in that said portable apparatus is a telephone watch.
  15. Telephone watch according to claim 14, characterized in that it includes at least one control member (35a, 35b, 36) on the external periphery of the case and in that said inlet cavity is in communication with the exterior through at least one inlet channel (12) arranged in proximity to said control member.
  16. Telephone watch according to claim 15, characterized in that it includes two inlet channels (12a, 12b) oriented along different directions.
EP03799586A 2003-01-08 2003-12-18 Portable tight device with an electro-acoustic transducer Expired - Lifetime EP1584001B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03799586A EP1584001B1 (en) 2003-01-08 2003-12-18 Portable tight device with an electro-acoustic transducer

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP03075099 2003-01-08
EP03075099 2003-01-08
PCT/EP2003/051047 WO2004066041A1 (en) 2003-01-08 2003-12-18 Portable tight device with an electro-acoustic transducer
EP03799586A EP1584001B1 (en) 2003-01-08 2003-12-18 Portable tight device with an electro-acoustic transducer

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EP1584001A1 EP1584001A1 (en) 2005-10-12
EP1584001B1 true EP1584001B1 (en) 2011-04-06

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US (1) US7414922B2 (en)
EP (1) EP1584001B1 (en)
JP (1) JP4310791B2 (en)
AU (1) AU2003299253A1 (en)
DE (1) DE60336684D1 (en)
WO (1) WO2004066041A1 (en)

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DE69723253T2 (en) 1997-08-29 2004-04-22 Asulab S.A. Device for use under water and with a sound transducer
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WO2000036473A1 (en) 1998-12-15 2000-06-22 Bünter Sa Timepiece with sound mechanism
DK1063632T3 (en) * 1999-06-23 2007-11-05 Asulab Sa Waterproof device suitable for immersion and includes a sound transducer
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102591190A (en) * 2012-03-23 2012-07-18 湖南科技学院 Anti-static watch

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AU2003299253A1 (en) 2004-08-13
US20060114751A1 (en) 2006-06-01
DE60336684D1 (en) 2011-05-19
JP2006513427A (en) 2006-04-20
US7414922B2 (en) 2008-08-19
EP1584001A1 (en) 2005-10-12
WO2004066041A1 (en) 2004-08-05
JP4310791B2 (en) 2009-08-12

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